PhotoModule.java revision f04692066fc7087560248b003c49e0377c056edf
1/* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.camera; 18 19import android.annotation.TargetApi; 20import android.app.Activity; 21import android.app.AlertDialog; 22import android.content.ContentProviderClient; 23import android.content.ContentResolver; 24import android.content.DialogInterface; 25import android.content.Intent; 26import android.content.SharedPreferences.Editor; 27import android.content.res.Configuration; 28import android.graphics.Bitmap; 29import android.graphics.SurfaceTexture; 30import android.hardware.Camera.CameraInfo; 31import android.hardware.Camera.Face; 32import android.hardware.Camera.FaceDetectionListener; 33import android.hardware.Camera.Parameters; 34import android.hardware.Camera.PictureCallback; 35import android.hardware.Camera.Size; 36import android.location.Location; 37import android.media.CameraProfile; 38import android.net.Uri; 39import android.os.Bundle; 40import android.os.ConditionVariable; 41import android.os.Handler; 42import android.os.Looper; 43import android.os.Message; 44import android.os.MessageQueue; 45import android.os.SystemClock; 46import android.provider.MediaStore; 47import android.util.Log; 48import android.view.Gravity; 49import android.view.KeyEvent; 50import android.view.LayoutInflater; 51import android.view.MotionEvent; 52import android.view.OrientationEventListener; 53import android.view.SurfaceHolder; 54import android.view.View; 55import android.view.View.OnClickListener; 56import android.view.ViewGroup; 57import android.view.WindowManager; 58import android.widget.FrameLayout; 59import android.widget.FrameLayout.LayoutParams; 60import android.widget.ImageView; 61import android.widget.TextView; 62import android.widget.Toast; 63 64import com.android.camera.CameraManager.CameraProxy; 65import com.android.camera.ui.AbstractSettingPopup; 66import com.android.camera.ui.FaceView; 67import com.android.camera.ui.PieRenderer; 68import com.android.camera.ui.PopupManager; 69import com.android.camera.ui.PreviewSurfaceView; 70import com.android.camera.ui.RenderOverlay; 71import com.android.camera.ui.Rotatable; 72import com.android.camera.ui.RotateLayout; 73import com.android.camera.ui.RotateTextToast; 74import com.android.camera.ui.TwoStateImageView; 75import com.android.camera.ui.ZoomRenderer; 76import com.android.gallery3d.app.CropImage; 77import com.android.gallery3d.common.ApiHelper; 78 79import java.io.File; 80import java.io.FileNotFoundException; 81import java.io.FileOutputStream; 82import java.io.IOException; 83import java.io.OutputStream; 84import java.util.ArrayList; 85import java.util.Collections; 86import java.util.Formatter; 87import java.util.List; 88 89public class PhotoModule 90 implements CameraModule, 91 FocusOverlayManager.Listener, 92 CameraPreference.OnPreferenceChangedListener, 93 LocationManager.Listener, 94 PreviewFrameLayout.OnSizeChangedListener, 95 ShutterButton.OnShutterButtonListener, 96 SurfaceHolder.Callback, 97 PieRenderer.PieListener, 98 CameraActivity.MenuListener { 99 100 private static final String TAG = "CAM_PhotoModule"; 101 102 // We number the request code from 1000 to avoid collision with Gallery. 103 private static final int REQUEST_CROP = 1000; 104 105 private static final int SETUP_PREVIEW = 1; 106 private static final int FIRST_TIME_INIT = 2; 107 private static final int CLEAR_SCREEN_DELAY = 3; 108 private static final int SET_CAMERA_PARAMETERS_WHEN_IDLE = 4; 109 private static final int CHECK_DISPLAY_ROTATION = 5; 110 private static final int SHOW_TAP_TO_FOCUS_TOAST = 6; 111 private static final int SWITCH_CAMERA = 7; 112 private static final int SWITCH_CAMERA_START_ANIMATION = 8; 113 private static final int CAMERA_OPEN_DONE = 9; 114 private static final int START_PREVIEW_DONE = 10; 115 private static final int OPEN_CAMERA_FAIL = 11; 116 private static final int CAMERA_DISABLED = 12; 117 118 // The subset of parameters we need to update in setCameraParameters(). 119 private static final int UPDATE_PARAM_INITIALIZE = 1; 120 private static final int UPDATE_PARAM_ZOOM = 2; 121 private static final int UPDATE_PARAM_PREFERENCE = 4; 122 private static final int UPDATE_PARAM_ALL = -1; 123 124 // This is the timeout to keep the camera in onPause for the first time 125 // after screen on if the activity is started from secure lock screen. 126 private static final int KEEP_CAMERA_TIMEOUT = 1000; // ms 127 128 // copied from Camera hierarchy 129 private CameraActivity mActivity; 130 private View mRootView; 131 private CameraProxy mCameraDevice; 132 private int mCameraId; 133 private Parameters mParameters; 134 private boolean mPaused; 135 private AbstractSettingPopup mPopup; 136 137 // these are only used by Camera 138 139 // The activity is going to switch to the specified camera id. This is 140 // needed because texture copy is done in GL thread. -1 means camera is not 141 // switching. 142 protected int mPendingSwitchCameraId = -1; 143 private boolean mOpenCameraFail; 144 private boolean mCameraDisabled; 145 146 // When setCameraParametersWhenIdle() is called, we accumulate the subsets 147 // needed to be updated in mUpdateSet. 148 private int mUpdateSet; 149 150 private static final int SCREEN_DELAY = 2 * 60 * 1000; 151 152 private int mZoomValue; // The current zoom value. 153 private int mZoomMax; 154 155 private Parameters mInitialParams; 156 private boolean mFocusAreaSupported; 157 private boolean mMeteringAreaSupported; 158 private boolean mAeLockSupported; 159 private boolean mAwbLockSupported; 160 private boolean mContinousFocusSupported; 161 162 // The degrees of the device rotated clockwise from its natural orientation. 163 private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; 164 // The orientation compensation for icons and dialogs. Ex: if the value 165 // is 90, the UI components should be rotated 90 degrees counter-clockwise. 166 private int mOrientationCompensation = 0; 167 // If mOrientationResetNeeded is set to be true, onOrientationChanged will reset 168 // the orientation of the on screen indicators to the current orientation compensation 169 // regardless of whether it's the same as the most recent orientation compensation 170 private boolean mOrientationResetNeeded; 171 private ComboPreferences mPreferences; 172 173 private static final String sTempCropFilename = "crop-temp"; 174 175 private ContentProviderClient mMediaProviderClient; 176 private ShutterButton mShutterButton; 177 private boolean mFaceDetectionStarted = false; 178 179 private PreviewFrameLayout mPreviewFrameLayout; 180 private Object mSurfaceTexture; 181 182 // for API level 10 183 private PreviewSurfaceView mPreviewSurfaceView; 184 private volatile SurfaceHolder mCameraSurfaceHolder; 185 186 private RotateDialogController mRotateDialog; 187 private FaceView mFaceView; 188 private RenderOverlay mRenderOverlay; 189 private Rotatable mReviewCancelButton; 190 private Rotatable mReviewDoneButton; 191// private View mReviewRetakeButton; 192 193 // mCropValue and mSaveUri are used only if isImageCaptureIntent() is true. 194 private String mCropValue; 195 private Uri mSaveUri; 196 197 // Small indicators which show the camera settings in the viewfinder. 198 private TextView mExposureIndicator; 199 private ImageView mGpsIndicator; 200 private ImageView mFlashIndicator; 201 private ImageView mSceneIndicator; 202 private ImageView mWhiteBalanceIndicator; 203 private ImageView mFocusIndicator; 204 // A view group that contains all the small indicators. 205 private Rotatable mOnScreenIndicators; 206 207 // We use a thread in ImageSaver to do the work of saving images. This 208 // reduces the shot-to-shot time. 209 private ImageSaver mImageSaver; 210 // Similarly, we use a thread to generate the name of the picture and insert 211 // it into MediaStore while picture taking is still in progress. 212 private ImageNamer mImageNamer; 213 214 private Runnable mDoSnapRunnable = new Runnable() { 215 @Override 216 public void run() { 217 onShutterButtonClick(); 218 } 219 }; 220 221 private final StringBuilder mBuilder = new StringBuilder(); 222 private final Formatter mFormatter = new Formatter(mBuilder); 223 private final Object[] mFormatterArgs = new Object[1]; 224 225 /** 226 * An unpublished intent flag requesting to return as soon as capturing 227 * is completed. 228 * 229 * TODO: consider publishing by moving into MediaStore. 230 */ 231 private static final String EXTRA_QUICK_CAPTURE = 232 "android.intent.extra.quickCapture"; 233 234 // The display rotation in degrees. This is only valid when mCameraState is 235 // not PREVIEW_STOPPED. 236 private int mDisplayRotation; 237 // The value for android.hardware.Camera.setDisplayOrientation. 238 private int mCameraDisplayOrientation; 239 // The value for UI components like indicators. 240 private int mDisplayOrientation; 241 // The value for android.hardware.Camera.Parameters.setRotation. 242 private int mJpegRotation; 243 private boolean mFirstTimeInitialized; 244 private boolean mIsImageCaptureIntent; 245 246 private static final int PREVIEW_STOPPED = 0; 247 private static final int IDLE = 1; // preview is active 248 // Focus is in progress. The exact focus state is in Focus.java. 249 private static final int FOCUSING = 2; 250 private static final int SNAPSHOT_IN_PROGRESS = 3; 251 // Switching between cameras. 252 private static final int SWITCHING_CAMERA = 4; 253 private int mCameraState = PREVIEW_STOPPED; 254 private boolean mSnapshotOnIdle = false; 255 256 private ContentResolver mContentResolver; 257 258 private LocationManager mLocationManager; 259 260 private final ShutterCallback mShutterCallback = new ShutterCallback(); 261 private final PostViewPictureCallback mPostViewPictureCallback = 262 new PostViewPictureCallback(); 263 private final RawPictureCallback mRawPictureCallback = 264 new RawPictureCallback(); 265 private final AutoFocusCallback mAutoFocusCallback = 266 new AutoFocusCallback(); 267 private final Object mAutoFocusMoveCallback = 268 ApiHelper.HAS_AUTO_FOCUS_MOVE_CALLBACK 269 ? new AutoFocusMoveCallback() 270 : null; 271 272 private final CameraErrorCallback mErrorCallback = new CameraErrorCallback(); 273 274 private long mFocusStartTime; 275 private long mShutterCallbackTime; 276 private long mPostViewPictureCallbackTime; 277 private long mRawPictureCallbackTime; 278 private long mJpegPictureCallbackTime; 279 private long mOnResumeTime; 280 private byte[] mJpegImageData; 281 282 // These latency time are for the CameraLatency test. 283 public long mAutoFocusTime; 284 public long mShutterLag; 285 public long mShutterToPictureDisplayedTime; 286 public long mPictureDisplayedToJpegCallbackTime; 287 public long mJpegCallbackFinishTime; 288 public long mCaptureStartTime; 289 290 // This handles everything about focus. 291 private FocusOverlayManager mFocusManager; 292 293 private PieRenderer mPieRenderer; 294 private PhotoController mPhotoControl; 295 296 private ZoomRenderer mZoomRenderer; 297 298 private String mSceneMode; 299 private Toast mNotSelectableToast; 300 301 private final Handler mHandler = new MainHandler(); 302 private PreferenceGroup mPreferenceGroup; 303 304 private boolean mQuickCapture; 305 306 CameraStartUpThread mCameraStartUpThread; 307 ConditionVariable mStartPreviewPrerequisiteReady = new ConditionVariable(); 308 309 private PreviewGestures mGestures; 310 311 // The purpose is not to block the main thread in onCreate and onResume. 312 private class CameraStartUpThread extends Thread { 313 private volatile boolean mCancelled; 314 315 public void cancel() { 316 mCancelled = true; 317 } 318 319 @Override 320 public void run() { 321 try { 322 // We need to check whether the activity is paused before long 323 // operations to ensure that onPause() can be done ASAP. 324 if (mCancelled) return; 325 mCameraDevice = Util.openCamera(mActivity, mCameraId); 326 mParameters = mCameraDevice.getParameters(); 327 // Wait until all the initialization needed by startPreview are 328 // done. 329 mStartPreviewPrerequisiteReady.block(); 330 331 initializeCapabilities(); 332 if (mFocusManager == null) initializeFocusManager(); 333 if (mCancelled) return; 334 setCameraParameters(UPDATE_PARAM_ALL); 335 mHandler.sendEmptyMessage(CAMERA_OPEN_DONE); 336 if (mCancelled) return; 337 startPreview(); 338 mHandler.sendEmptyMessage(START_PREVIEW_DONE); 339 mOnResumeTime = SystemClock.uptimeMillis(); 340 mHandler.sendEmptyMessage(CHECK_DISPLAY_ROTATION); 341 } catch (CameraHardwareException e) { 342 mHandler.sendEmptyMessage(OPEN_CAMERA_FAIL); 343 } catch (CameraDisabledException e) { 344 mHandler.sendEmptyMessage(CAMERA_DISABLED); 345 } 346 } 347 } 348 349 /** 350 * This Handler is used to post message back onto the main thread of the 351 * application 352 */ 353 private class MainHandler extends Handler { 354 @Override 355 public void handleMessage(Message msg) { 356 switch (msg.what) { 357 case SETUP_PREVIEW: { 358 setupPreview(); 359 break; 360 } 361 362 case CLEAR_SCREEN_DELAY: { 363 mActivity.getWindow().clearFlags( 364 WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 365 break; 366 } 367 368 case FIRST_TIME_INIT: { 369 initializeFirstTime(); 370 break; 371 } 372 373 case SET_CAMERA_PARAMETERS_WHEN_IDLE: { 374 setCameraParametersWhenIdle(0); 375 break; 376 } 377 378 case CHECK_DISPLAY_ROTATION: { 379 // Set the display orientation if display rotation has changed. 380 // Sometimes this happens when the device is held upside 381 // down and camera app is opened. Rotation animation will 382 // take some time and the rotation value we have got may be 383 // wrong. Framework does not have a callback for this now. 384 if (Util.getDisplayRotation(mActivity) != mDisplayRotation) { 385 setDisplayOrientation(); 386 } 387 if (SystemClock.uptimeMillis() - mOnResumeTime < 5000) { 388 mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100); 389 } 390 break; 391 } 392 393 case SHOW_TAP_TO_FOCUS_TOAST: { 394 showTapToFocusToast(); 395 break; 396 } 397 398 case SWITCH_CAMERA: { 399 switchCamera(); 400 break; 401 } 402 403 case SWITCH_CAMERA_START_ANIMATION: { 404 ((CameraScreenNail) mActivity.mCameraScreenNail).animateSwitchCamera(); 405 break; 406 } 407 408 case CAMERA_OPEN_DONE: { 409 initializeAfterCameraOpen(); 410 break; 411 } 412 413 case START_PREVIEW_DONE: { 414 mCameraStartUpThread = null; 415 setCameraState(IDLE); 416 if (!ApiHelper.HAS_SURFACE_TEXTURE) { 417 // This may happen if surfaceCreated has arrived. 418 mCameraDevice.setPreviewDisplayAsync(mCameraSurfaceHolder); 419 } 420 startFaceDetection(); 421 break; 422 } 423 424 case OPEN_CAMERA_FAIL: { 425 mCameraStartUpThread = null; 426 mOpenCameraFail = true; 427 Util.showErrorAndFinish(mActivity, 428 R.string.cannot_connect_camera); 429 break; 430 } 431 432 case CAMERA_DISABLED: { 433 mCameraStartUpThread = null; 434 mCameraDisabled = true; 435 Util.showErrorAndFinish(mActivity, 436 R.string.camera_disabled); 437 break; 438 } 439 } 440 } 441 } 442 443 @Override 444 public void init(CameraActivity activity, View parent, boolean reuseNail) { 445 mActivity = activity; 446 mRootView = parent; 447 mPreferences = new ComboPreferences(mActivity); 448 CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal()); 449 mCameraId = getPreferredCameraId(mPreferences); 450 451 mContentResolver = mActivity.getContentResolver(); 452 453 // To reduce startup time, open the camera and start the preview in 454 // another thread. 455 mCameraStartUpThread = new CameraStartUpThread(); 456 mCameraStartUpThread.start(); 457 458 mActivity.getLayoutInflater().inflate(R.layout.photo_module, (ViewGroup) mRootView); 459 mActivity.setMenuListener(this); 460 461 // Surface texture is from camera screen nail and startPreview needs it. 462 // This must be done before startPreview. 463 mIsImageCaptureIntent = isImageCaptureIntent(); 464 if (reuseNail) { 465 mActivity.reuseCameraScreenNail(!mIsImageCaptureIntent); 466 } else { 467 mActivity.createCameraScreenNail(!mIsImageCaptureIntent); 468 } 469 470 mPreferences.setLocalId(mActivity, mCameraId); 471 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 472 // we need to reset exposure for the preview 473 resetExposureCompensation(); 474 // Starting the preview needs preferences, camera screen nail, and 475 // focus area indicator. 476 mStartPreviewPrerequisiteReady.open(); 477 478 initializeControlByIntent(); 479 mRotateDialog = new RotateDialogController(mActivity, R.layout.rotate_dialog); 480 mQuickCapture = mActivity.getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false); 481 initializeMiscControls(); 482 mLocationManager = new LocationManager(mActivity, this); 483 initOnScreenIndicator(); 484 485 // Initialize to true to ensure that the on-screen indicators get their 486 // orientation set in onOrientationChanged. 487 mOrientationResetNeeded = true; 488 // Make sure all views are disabled before camera is open. 489// enableCameraControls(false); 490 locationFirstRun(); 491 } 492 493 // Prompt the user to pick to record location for the very first run of 494 // camera only 495 private void locationFirstRun() { 496 if (RecordLocationPreference.isSet(mPreferences)) { 497 return; 498 } 499 new AlertDialog.Builder(mActivity) 500 .setTitle(R.string.remember_location_title) 501 .setMessage(R.string.remember_location_prompt) 502 .setPositiveButton(R.string.remember_location_yes, new DialogInterface.OnClickListener() { 503 @Override 504 public void onClick(DialogInterface dialog, int arg1) { 505 setLocationPreference(RecordLocationPreference.VALUE_ON); 506 } 507 }) 508 .setNegativeButton(R.string.remember_location_no, new DialogInterface.OnClickListener() { 509 @Override 510 public void onClick(DialogInterface dialog, int arg1) { 511 dialog.cancel(); 512 } 513 }) 514 .setOnCancelListener(new DialogInterface.OnCancelListener() { 515 @Override 516 public void onCancel(DialogInterface dialog) { 517 setLocationPreference(RecordLocationPreference.VALUE_OFF); 518 } 519 }) 520 .show(); 521 } 522 523 private void setLocationPreference(String value) { 524 mPreferences.edit() 525 .putString(RecordLocationPreference.KEY, value) 526 .apply(); 527 // TODO: Fix this to use the actual onSharedPreferencesChanged listener 528 // instead of invoking manually 529 onSharedPreferenceChanged(); 530 } 531 532 private void initializeRenderOverlay() { 533 if (mPieRenderer != null) { 534 mRenderOverlay.addRenderer(mPieRenderer); 535 mFocusManager.setFocusRenderer(mPieRenderer); 536 } 537 if (mZoomRenderer != null) { 538 mRenderOverlay.addRenderer(mZoomRenderer); 539 } 540 if (mGestures != null) { 541 mGestures.clearTouchReceivers(); 542 mGestures.setRenderOverlay(mRenderOverlay); 543 if (isImageCaptureIntent()) { 544 if (mReviewCancelButton != null) { 545 mGestures.addTouchReceiver((View) mReviewCancelButton); 546 } 547 if (mReviewDoneButton != null) { 548 mGestures.addTouchReceiver((View) mReviewDoneButton); 549 } 550 } 551 } 552 mRenderOverlay.requestLayout(); 553 } 554 555 private void initializeAfterCameraOpen() { 556 if (mRenderOverlay != null) { 557 // render overlay is not initialized when setOrientationIndicator is called 558 // the first time, so do it here in UI thread 559 mRenderOverlay.setOrientation(mOrientationCompensation, false); 560 } 561 if (mPieRenderer == null) { 562 mPieRenderer = new PieRenderer(mActivity); 563 mPhotoControl = new PhotoController(mActivity, this, mPieRenderer); 564 mPhotoControl.setListener(this); 565 mPieRenderer.setPieListener(this); 566 } 567 if (mZoomRenderer == null) { 568 mZoomRenderer = new ZoomRenderer(mActivity); 569 } 570 if (mGestures == null) { 571 // this will handle gesture disambiguation and dispatching 572 mGestures = new PreviewGestures(mActivity, this, mZoomRenderer, mPieRenderer); 573 } 574 initializeRenderOverlay(); 575 initializePhotoControl(); 576 577 // These depend on camera parameters. 578 setPreviewFrameLayoutAspectRatio(); 579 mFocusManager.setPreviewSize(mPreviewFrameLayout.getWidth(), 580 mPreviewFrameLayout.getHeight()); 581 loadCameraPreferences(); 582 initializeZoom(); 583 updateOnScreenIndicators(); 584 showTapToFocusToastIfNeeded(); 585 } 586 587 private void initializePhotoControl() { 588 loadCameraPreferences(); 589 mPhotoControl.initialize(mPreferenceGroup); 590 updateSceneModeUI(); 591// mIndicatorControlContainer.setListener(this); 592 } 593 594 595 private void resetExposureCompensation() { 596 String value = mPreferences.getString(CameraSettings.KEY_EXPOSURE, 597 CameraSettings.EXPOSURE_DEFAULT_VALUE); 598 if (!CameraSettings.EXPOSURE_DEFAULT_VALUE.equals(value)) { 599 Editor editor = mPreferences.edit(); 600 editor.putString(CameraSettings.KEY_EXPOSURE, "0"); 601 editor.apply(); 602 } 603 } 604 605 private void keepMediaProviderInstance() { 606 // We want to keep a reference to MediaProvider in camera's lifecycle. 607 // TODO: Utilize mMediaProviderClient instance to replace 608 // ContentResolver calls. 609 if (mMediaProviderClient == null) { 610 mMediaProviderClient = mContentResolver 611 .acquireContentProviderClient(MediaStore.AUTHORITY); 612 } 613 } 614 615 // Snapshots can only be taken after this is called. It should be called 616 // once only. We could have done these things in onCreate() but we want to 617 // make preview screen appear as soon as possible. 618 private void initializeFirstTime() { 619 if (mFirstTimeInitialized) return; 620 621 // Initialize location service. 622 boolean recordLocation = RecordLocationPreference.get( 623 mPreferences, mContentResolver); 624 mLocationManager.recordLocation(recordLocation); 625 626 keepMediaProviderInstance(); 627 628 // Initialize shutter button. 629 mShutterButton = mActivity.getShutterButton(); 630 mShutterButton.setImageResource(R.drawable.btn_new_shutter); 631 mShutterButton.setOnShutterButtonListener(this); 632 mShutterButton.setVisibility(View.VISIBLE); 633 634 mImageSaver = new ImageSaver(); 635 mImageNamer = new ImageNamer(); 636 637 mFirstTimeInitialized = true; 638 addIdleHandler(); 639 640 mActivity.updateStorageSpaceAndHint(); 641 } 642 643 private void showTapToFocusToastIfNeeded() { 644 // Show the tap to focus toast if this is the first start. 645 if (mFocusAreaSupported && 646 mPreferences.getBoolean(CameraSettings.KEY_CAMERA_FIRST_USE_HINT_SHOWN, true)) { 647 // Delay the toast for one second to wait for orientation. 648 mHandler.sendEmptyMessageDelayed(SHOW_TAP_TO_FOCUS_TOAST, 1000); 649 } 650 } 651 652 private void addIdleHandler() { 653 MessageQueue queue = Looper.myQueue(); 654 queue.addIdleHandler(new MessageQueue.IdleHandler() { 655 @Override 656 public boolean queueIdle() { 657 Storage.ensureOSXCompatible(); 658 return false; 659 } 660 }); 661 } 662 663 // If the activity is paused and resumed, this method will be called in 664 // onResume. 665 private void initializeSecondTime() { 666 667 // Start location update if needed. 668 boolean recordLocation = RecordLocationPreference.get( 669 mPreferences, mContentResolver); 670 mLocationManager.recordLocation(recordLocation); 671 672 mImageSaver = new ImageSaver(); 673 mImageNamer = new ImageNamer(); 674 initializeZoom(); 675 keepMediaProviderInstance(); 676 hidePostCaptureAlert(); 677 678 if (mPhotoControl != null) { 679 mPhotoControl.reloadPreferences(); 680 } 681 } 682 683 private class ZoomChangeListener implements ZoomRenderer.OnZoomChangedListener { 684 @Override 685 public void onZoomValueChanged(int index) { 686 // Not useful to change zoom value when the activity is paused. 687 if (mPaused) return; 688 mZoomValue = index; 689 690 // Set zoom parameters asynchronously 691 mParameters.setZoom(mZoomValue); 692 mCameraDevice.setParametersAsync(mParameters); 693 } 694 695 @Override 696 public void onZoomStart() { 697 if (mFocusManager != null) { 698 mFocusManager.resetTouchFocus(); 699 mFocusManager.setEnabled(false); 700 } 701 } 702 703 @Override 704 public void onZoomEnd() { 705 if (mFocusManager != null) { 706 mFocusManager.setEnabled(true); 707 } 708 } 709 } 710 711 private void initializeZoom() { 712 if (!mParameters.isZoomSupported() || (mZoomRenderer == null)) return; 713 mZoomMax = mParameters.getMaxZoom(); 714 // Currently we use immediate zoom for fast zooming to get better UX and 715 // there is no plan to take advantage of the smooth zoom. 716 if (mZoomRenderer != null) { 717 mZoomRenderer.setZoomMax(mZoomMax); 718 mZoomRenderer.setZoomIndex(mParameters.getZoom()); 719 mZoomRenderer.setOnZoomChangeListener(new ZoomChangeListener()); 720 } 721 } 722 723 @TargetApi(ApiHelper.VERSION_CODES.ICE_CREAM_SANDWICH) 724 @Override 725 public void startFaceDetection() { 726 if (!ApiHelper.HAS_FACE_DETECTION) return; 727 if (mFaceDetectionStarted) return; 728 if (mParameters.getMaxNumDetectedFaces() > 0) { 729 mFaceDetectionStarted = true; 730 mFaceView.clear(); 731 mFaceView.setVisibility(View.VISIBLE); 732 mFaceView.setDisplayOrientation(mDisplayOrientation); 733 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 734 mFaceView.setMirror(info.facing == CameraInfo.CAMERA_FACING_FRONT); 735 mFaceView.resume(); 736 mFocusManager.setFaceView(mFaceView); 737 mCameraDevice.setFaceDetectionListener(new FaceDetectionListener() { 738 @Override 739 public void onFaceDetection(Face[] faces, android.hardware.Camera camera) { 740 mFaceView.setFaces(faces); 741 } 742 }); 743 mCameraDevice.startFaceDetection(); 744 } 745 } 746 747 @TargetApi(ApiHelper.VERSION_CODES.ICE_CREAM_SANDWICH) 748 @Override 749 public void stopFaceDetection() { 750 if (!ApiHelper.HAS_FACE_DETECTION) return; 751 if (!mFaceDetectionStarted) return; 752 if (mParameters.getMaxNumDetectedFaces() > 0) { 753 mFaceDetectionStarted = false; 754 mCameraDevice.setFaceDetectionListener(null); 755 mCameraDevice.stopFaceDetection(); 756 if (mFaceView != null) mFaceView.clear(); 757 } 758 } 759 760 @Override 761 public boolean dispatchTouchEvent(MotionEvent m) { 762 if (mCameraState == SWITCHING_CAMERA) return true; 763 if (mPopup != null) { 764 return mActivity.superDispatchTouchEvent(m); 765 } else if (mGestures != null && mRenderOverlay != null) { 766 return mGestures.dispatchTouch(m); 767 } 768 return false; 769 } 770 771 private void initOnScreenIndicator() { 772 mGpsIndicator = (ImageView) mRootView.findViewById(R.id.onscreen_gps_indicator); 773 mExposureIndicator = (TextView) mRootView.findViewById(R.id.onscreen_exposure_indicator); 774 mFlashIndicator = (ImageView) mRootView.findViewById(R.id.onscreen_flash_indicator); 775 mSceneIndicator = (ImageView) mRootView.findViewById(R.id.onscreen_scene_indicator); 776 mWhiteBalanceIndicator = 777 (ImageView) mRootView.findViewById(R.id.onscreen_white_balance_indicator); 778 mFocusIndicator = (ImageView) mRootView.findViewById(R.id.onscreen_focus_indicator); 779 } 780 781 @Override 782 public void showGpsOnScreenIndicator(boolean hasSignal) { 783 if (mGpsIndicator == null) { 784 return; 785 } 786 if (hasSignal) { 787 mGpsIndicator.setImageResource(R.drawable.ic_viewfinder_gps_on); 788 } else { 789 mGpsIndicator.setImageResource(R.drawable.ic_viewfinder_gps_no_signal); 790 } 791 mGpsIndicator.setVisibility(View.VISIBLE); 792 } 793 794 @Override 795 public void hideGpsOnScreenIndicator() { 796 if (mGpsIndicator == null) { 797 return; 798 } 799 mGpsIndicator.setVisibility(View.GONE); 800 } 801 802 private void updateExposureOnScreenIndicator(int value) { 803 if (mExposureIndicator == null) { 804 return; 805 } 806 if (value == 0) { 807 mExposureIndicator.setText(""); 808 mExposureIndicator.setVisibility(View.GONE); 809 } else { 810 float step = mParameters.getExposureCompensationStep(); 811 mFormatterArgs[0] = value * step; 812 mBuilder.delete(0, mBuilder.length()); 813 mFormatter.format("%+1.1f", mFormatterArgs); 814 String exposure = mFormatter.toString(); 815 mExposureIndicator.setText(exposure); 816 mExposureIndicator.setVisibility(View.VISIBLE); 817 } 818 } 819 820 private void updateFlashOnScreenIndicator(String value) { 821 if (mFlashIndicator == null) { 822 return; 823 } 824 if (value == null || Parameters.FLASH_MODE_OFF.equals(value)) { 825 mFlashIndicator.setVisibility(View.GONE); 826 } else { 827 mFlashIndicator.setVisibility(View.VISIBLE); 828 if (Parameters.FLASH_MODE_AUTO.equals(value)) { 829 mFlashIndicator.setImageResource(R.drawable.ic_indicators_landscape_flash_auto); 830 } else if (Parameters.FLASH_MODE_ON.equals(value)) { 831 mFlashIndicator.setImageResource(R.drawable.ic_indicators_landscape_flash_on); 832 } else { 833 // Should not happen. 834 mFlashIndicator.setVisibility(View.GONE); 835 } 836 } 837 } 838 839 private void updateSceneOnScreenIndicator(String value) { 840 if (mSceneIndicator == null) { 841 return; 842 } 843 boolean isGone = (value == null) || (Parameters.SCENE_MODE_AUTO.equals(value)); 844 mSceneIndicator.setVisibility(isGone ? View.GONE : View.VISIBLE); 845 } 846 847 private void updateWhiteBalanceOnScreenIndicator(String value) { 848 if (mWhiteBalanceIndicator == null) { 849 return; 850 } 851 if (value == null || Parameters.WHITE_BALANCE_AUTO.equals(value)) { 852 mWhiteBalanceIndicator.setVisibility(View.GONE); 853 } else { 854 mWhiteBalanceIndicator.setVisibility(View.VISIBLE); 855 if (Parameters.WHITE_BALANCE_FLUORESCENT.equals(value)) { 856 mWhiteBalanceIndicator.setImageResource(R.drawable.ic_indicators_fluorescent); 857 } else if (Parameters.WHITE_BALANCE_INCANDESCENT.equals(value)) { 858 mWhiteBalanceIndicator.setImageResource(R.drawable.ic_indicators_incandescent); 859 } else if (Parameters.WHITE_BALANCE_DAYLIGHT.equals(value)) { 860 mWhiteBalanceIndicator.setImageResource(R.drawable.ic_indicators_sunlight); 861 } else if (Parameters.WHITE_BALANCE_CLOUDY_DAYLIGHT.equals(value)) { 862 mWhiteBalanceIndicator.setImageResource(R.drawable.ic_indicators_cloudy); 863 } else { 864 // Should not happen. 865 mWhiteBalanceIndicator.setVisibility(View.GONE); 866 } 867 } 868 } 869 870 private void updateFocusOnScreenIndicator(String value) { 871 if (mFocusIndicator == null || mPreferenceGroup == null) { 872 return; 873 } 874 // Do not show the indicator if users cannot choose. 875 if (mPreferenceGroup.findPreference(CameraSettings.KEY_FOCUS_MODE) == null) { 876 mFocusIndicator.setVisibility(View.GONE); 877 } else { 878 mFocusIndicator.setVisibility(View.VISIBLE); 879 if (Parameters.FOCUS_MODE_INFINITY.equals(value)) { 880 mFocusIndicator.setImageResource(R.drawable.ic_indicators_landscape); 881 } else if (Parameters.FOCUS_MODE_MACRO.equals(value)) { 882 mFocusIndicator.setImageResource(R.drawable.ic_indicators_macro); 883 } else { 884 // Should not happen. 885 mFocusIndicator.setVisibility(View.GONE); 886 } 887 } 888 } 889 890 private void updateOnScreenIndicators() { 891 updateSceneOnScreenIndicator(mParameters.getSceneMode()); 892 updateExposureOnScreenIndicator(CameraSettings.readExposure(mPreferences)); 893 updateFlashOnScreenIndicator(mParameters.getFlashMode()); 894 updateWhiteBalanceOnScreenIndicator(mParameters.getWhiteBalance()); 895 updateFocusOnScreenIndicator(mParameters.getFocusMode()); 896 } 897 898 private final class ShutterCallback 899 implements android.hardware.Camera.ShutterCallback { 900 @Override 901 public void onShutter() { 902 mShutterCallbackTime = System.currentTimeMillis(); 903 mShutterLag = mShutterCallbackTime - mCaptureStartTime; 904 Log.v(TAG, "mShutterLag = " + mShutterLag + "ms"); 905 } 906 } 907 908 private final class PostViewPictureCallback implements PictureCallback { 909 @Override 910 public void onPictureTaken( 911 byte [] data, android.hardware.Camera camera) { 912 mPostViewPictureCallbackTime = System.currentTimeMillis(); 913 Log.v(TAG, "mShutterToPostViewCallbackTime = " 914 + (mPostViewPictureCallbackTime - mShutterCallbackTime) 915 + "ms"); 916 } 917 } 918 919 private final class RawPictureCallback implements PictureCallback { 920 @Override 921 public void onPictureTaken( 922 byte [] rawData, android.hardware.Camera camera) { 923 mRawPictureCallbackTime = System.currentTimeMillis(); 924 Log.v(TAG, "mShutterToRawCallbackTime = " 925 + (mRawPictureCallbackTime - mShutterCallbackTime) + "ms"); 926 } 927 } 928 929 private final class JpegPictureCallback implements PictureCallback { 930 Location mLocation; 931 932 public JpegPictureCallback(Location loc) { 933 mLocation = loc; 934 } 935 936 @Override 937 public void onPictureTaken( 938 final byte [] jpegData, final android.hardware.Camera camera) { 939 if (mPaused) { 940 return; 941 } 942 943 mJpegPictureCallbackTime = System.currentTimeMillis(); 944 // If postview callback has arrived, the captured image is displayed 945 // in postview callback. If not, the captured image is displayed in 946 // raw picture callback. 947 if (mPostViewPictureCallbackTime != 0) { 948 mShutterToPictureDisplayedTime = 949 mPostViewPictureCallbackTime - mShutterCallbackTime; 950 mPictureDisplayedToJpegCallbackTime = 951 mJpegPictureCallbackTime - mPostViewPictureCallbackTime; 952 } else { 953 mShutterToPictureDisplayedTime = 954 mRawPictureCallbackTime - mShutterCallbackTime; 955 mPictureDisplayedToJpegCallbackTime = 956 mJpegPictureCallbackTime - mRawPictureCallbackTime; 957 } 958 Log.v(TAG, "mPictureDisplayedToJpegCallbackTime = " 959 + mPictureDisplayedToJpegCallbackTime + "ms"); 960 961 mFocusManager.updateFocusUI(); // Ensure focus indicator is hidden. 962 if (!mIsImageCaptureIntent) { 963 if (ApiHelper.CAN_START_PREVIEW_IN_JPEG_CALLBACK) { 964 setupPreview(); 965 } else { 966 // Camera HAL of some devices have a bug. Starting preview 967 // immediately after taking a picture will fail. Wait some 968 // time before starting the preview. 969 mHandler.sendEmptyMessageDelayed(SETUP_PREVIEW, 300); 970 } 971 } 972 973 if (!mIsImageCaptureIntent) { 974 // Calculate the width and the height of the jpeg. 975 Size s = mParameters.getPictureSize(); 976 int orientation = Exif.getOrientation(jpegData); 977 int width, height; 978 if ((mJpegRotation + orientation) % 180 == 0) { 979 width = s.width; 980 height = s.height; 981 } else { 982 width = s.height; 983 height = s.width; 984 } 985 Uri uri = mImageNamer.getUri(); 986 mActivity.addSecureAlbumItemIfNeeded(false, uri); 987 String title = mImageNamer.getTitle(); 988 mImageSaver.addImage(jpegData, uri, title, mLocation, 989 width, height, orientation); 990 } else { 991 mJpegImageData = jpegData; 992 if (!mQuickCapture) { 993 showPostCaptureAlert(); 994 } else { 995 doAttach(); 996 } 997 } 998 999 // Check this in advance of each shot so we don't add to shutter 1000 // latency. It's true that someone else could write to the SD card in 1001 // the mean time and fill it, but that could have happened between the 1002 // shutter press and saving the JPEG too. 1003 mActivity.updateStorageSpaceAndHint(); 1004 1005 long now = System.currentTimeMillis(); 1006 mJpegCallbackFinishTime = now - mJpegPictureCallbackTime; 1007 Log.v(TAG, "mJpegCallbackFinishTime = " 1008 + mJpegCallbackFinishTime + "ms"); 1009 mJpegPictureCallbackTime = 0; 1010 } 1011 } 1012 1013 private final class AutoFocusCallback 1014 implements android.hardware.Camera.AutoFocusCallback { 1015 @Override 1016 public void onAutoFocus( 1017 boolean focused, android.hardware.Camera camera) { 1018 if (mPaused) return; 1019 1020 mAutoFocusTime = System.currentTimeMillis() - mFocusStartTime; 1021 Log.v(TAG, "mAutoFocusTime = " + mAutoFocusTime + "ms"); 1022 setCameraState(IDLE); 1023 mFocusManager.onAutoFocus(focused); 1024 } 1025 } 1026 1027 @TargetApi(ApiHelper.VERSION_CODES.JELLY_BEAN) 1028 private final class AutoFocusMoveCallback 1029 implements android.hardware.Camera.AutoFocusMoveCallback { 1030 @Override 1031 public void onAutoFocusMoving( 1032 boolean moving, android.hardware.Camera camera) { 1033 mFocusManager.onAutoFocusMoving(moving); 1034 } 1035 } 1036 1037 // Each SaveRequest remembers the data needed to save an image. 1038 private static class SaveRequest { 1039 byte[] data; 1040 Uri uri; 1041 String title; 1042 Location loc; 1043 int width, height; 1044 int orientation; 1045 } 1046 1047 // We use a queue to store the SaveRequests that have not been completed 1048 // yet. The main thread puts the request into the queue. The saver thread 1049 // gets it from the queue, does the work, and removes it from the queue. 1050 // 1051 // The main thread needs to wait for the saver thread to finish all the work 1052 // in the queue, when the activity's onPause() is called, we need to finish 1053 // all the work, so other programs (like Gallery) can see all the images. 1054 // 1055 // If the queue becomes too long, adding a new request will block the main 1056 // thread until the queue length drops below the threshold (QUEUE_LIMIT). 1057 // If we don't do this, we may face several problems: (1) We may OOM 1058 // because we are holding all the jpeg data in memory. (2) We may ANR 1059 // when we need to wait for saver thread finishing all the work (in 1060 // onPause() or gotoGallery()) because the time to finishing a long queue 1061 // of work may be too long. 1062 private class ImageSaver extends Thread { 1063 private static final int QUEUE_LIMIT = 3; 1064 1065 private ArrayList<SaveRequest> mQueue; 1066 private boolean mStop; 1067 1068 // Runs in main thread 1069 public ImageSaver() { 1070 mQueue = new ArrayList<SaveRequest>(); 1071 start(); 1072 } 1073 1074 // Runs in main thread 1075 public void addImage(final byte[] data, Uri uri, String title, 1076 Location loc, int width, int height, int orientation) { 1077 SaveRequest r = new SaveRequest(); 1078 r.data = data; 1079 r.uri = uri; 1080 r.title = title; 1081 r.loc = (loc == null) ? null : new Location(loc); // make a copy 1082 r.width = width; 1083 r.height = height; 1084 r.orientation = orientation; 1085 synchronized (this) { 1086 while (mQueue.size() >= QUEUE_LIMIT) { 1087 try { 1088 wait(); 1089 } catch (InterruptedException ex) { 1090 // ignore. 1091 } 1092 } 1093 mQueue.add(r); 1094 notifyAll(); // Tell saver thread there is new work to do. 1095 } 1096 } 1097 1098 // Runs in saver thread 1099 @Override 1100 public void run() { 1101 while (true) { 1102 SaveRequest r; 1103 synchronized (this) { 1104 if (mQueue.isEmpty()) { 1105 notifyAll(); // notify main thread in waitDone 1106 1107 // Note that we can only stop after we saved all images 1108 // in the queue. 1109 if (mStop) break; 1110 1111 try { 1112 wait(); 1113 } catch (InterruptedException ex) { 1114 // ignore. 1115 } 1116 continue; 1117 } 1118 r = mQueue.get(0); 1119 } 1120 storeImage(r.data, r.uri, r.title, r.loc, r.width, r.height, 1121 r.orientation); 1122 synchronized (this) { 1123 mQueue.remove(0); 1124 notifyAll(); // the main thread may wait in addImage 1125 } 1126 } 1127 } 1128 1129 // Runs in main thread 1130 public void waitDone() { 1131 synchronized (this) { 1132 while (!mQueue.isEmpty()) { 1133 try { 1134 wait(); 1135 } catch (InterruptedException ex) { 1136 // ignore. 1137 } 1138 } 1139 } 1140 } 1141 1142 // Runs in main thread 1143 public void finish() { 1144 waitDone(); 1145 synchronized (this) { 1146 mStop = true; 1147 notifyAll(); 1148 } 1149 try { 1150 join(); 1151 } catch (InterruptedException ex) { 1152 // ignore. 1153 } 1154 } 1155 1156 // Runs in saver thread 1157 private void storeImage(final byte[] data, Uri uri, String title, 1158 Location loc, int width, int height, int orientation) { 1159 boolean ok = Storage.updateImage(mContentResolver, uri, title, loc, 1160 orientation, data, width, height); 1161 if (ok) { 1162 Util.broadcastNewPicture(mActivity, uri); 1163 } 1164 } 1165 } 1166 1167 private static class ImageNamer extends Thread { 1168 private boolean mRequestPending; 1169 private ContentResolver mResolver; 1170 private long mDateTaken; 1171 private int mWidth, mHeight; 1172 private boolean mStop; 1173 private Uri mUri; 1174 private String mTitle; 1175 1176 // Runs in main thread 1177 public ImageNamer() { 1178 start(); 1179 } 1180 1181 // Runs in main thread 1182 public synchronized void prepareUri(ContentResolver resolver, 1183 long dateTaken, int width, int height, int rotation) { 1184 if (rotation % 180 != 0) { 1185 int tmp = width; 1186 width = height; 1187 height = tmp; 1188 } 1189 mRequestPending = true; 1190 mResolver = resolver; 1191 mDateTaken = dateTaken; 1192 mWidth = width; 1193 mHeight = height; 1194 notifyAll(); 1195 } 1196 1197 // Runs in main thread 1198 public synchronized Uri getUri() { 1199 // wait until the request is done. 1200 while (mRequestPending) { 1201 try { 1202 wait(); 1203 } catch (InterruptedException ex) { 1204 // ignore. 1205 } 1206 } 1207 1208 // return the uri generated 1209 Uri uri = mUri; 1210 mUri = null; 1211 return uri; 1212 } 1213 1214 // Runs in main thread, should be called after getUri(). 1215 public synchronized String getTitle() { 1216 return mTitle; 1217 } 1218 1219 // Runs in namer thread 1220 @Override 1221 public synchronized void run() { 1222 while (true) { 1223 if (mStop) break; 1224 if (!mRequestPending) { 1225 try { 1226 wait(); 1227 } catch (InterruptedException ex) { 1228 // ignore. 1229 } 1230 continue; 1231 } 1232 cleanOldUri(); 1233 generateUri(); 1234 mRequestPending = false; 1235 notifyAll(); 1236 } 1237 cleanOldUri(); 1238 } 1239 1240 // Runs in main thread 1241 public synchronized void finish() { 1242 mStop = true; 1243 notifyAll(); 1244 } 1245 1246 // Runs in namer thread 1247 private void generateUri() { 1248 mTitle = Util.createJpegName(mDateTaken); 1249 mUri = Storage.newImage(mResolver, mTitle, mDateTaken, mWidth, mHeight); 1250 } 1251 1252 // Runs in namer thread 1253 private void cleanOldUri() { 1254 if (mUri == null) return; 1255 Storage.deleteImage(mResolver, mUri); 1256 mUri = null; 1257 } 1258 } 1259 1260 private void setCameraState(int state) { 1261 mCameraState = state; 1262 switch (state) { 1263 case PREVIEW_STOPPED: 1264 case SNAPSHOT_IN_PROGRESS: 1265 case FOCUSING: 1266 case SWITCHING_CAMERA: 1267// enableCameraControls(false); 1268 break; 1269 case IDLE: 1270// enableCameraControls(true); 1271 break; 1272 } 1273 } 1274 1275 @Override 1276 public boolean capture() { 1277 // If we are already in the middle of taking a snapshot then ignore. 1278 if (mCameraDevice == null || mCameraState == SNAPSHOT_IN_PROGRESS 1279 || mCameraState == SWITCHING_CAMERA) { 1280 return false; 1281 } 1282 mCaptureStartTime = System.currentTimeMillis(); 1283 mPostViewPictureCallbackTime = 0; 1284 mJpegImageData = null; 1285 1286 // Set rotation and gps data. 1287 mJpegRotation = Util.getJpegRotation(mCameraId, mOrientation); 1288 mParameters.setRotation(mJpegRotation); 1289 Location loc = mLocationManager.getCurrentLocation(); 1290 Util.setGpsParameters(mParameters, loc); 1291 mCameraDevice.setParameters(mParameters); 1292 1293 try { 1294 mCameraDevice.takePicture(mShutterCallback, mRawPictureCallback, 1295 mPostViewPictureCallback, new JpegPictureCallback(loc)); 1296 } catch (RuntimeException e) { 1297 Log.w(TAG, "take picture failed; mCameraState=" + mCameraState 1298 + ", mFocusManager.mState=" + mFocusManager.getFocusState()); 1299 throw e; 1300 } 1301 1302 Size size = mParameters.getPictureSize(); 1303 mImageNamer.prepareUri(mContentResolver, mCaptureStartTime, 1304 size.width, size.height, mJpegRotation); 1305 1306 if (ApiHelper.HAS_SURFACE_TEXTURE && !mIsImageCaptureIntent) { 1307 // Start capture animation. 1308 ((CameraScreenNail) mActivity.mCameraScreenNail).animateCapture(getCameraRotation()); 1309 } 1310 mFaceDetectionStarted = false; 1311 setCameraState(SNAPSHOT_IN_PROGRESS); 1312 return true; 1313 } 1314 1315 private int getCameraRotation() { 1316 return (mOrientationCompensation - mDisplayRotation + 360) % 360; 1317 } 1318 1319 @Override 1320 public void setFocusParameters() { 1321 setCameraParameters(UPDATE_PARAM_PREFERENCE); 1322 } 1323 1324 private int getPreferredCameraId(ComboPreferences preferences) { 1325 int intentCameraId = Util.getCameraFacingIntentExtras(mActivity); 1326 if (intentCameraId != -1) { 1327 // Testing purpose. Launch a specific camera through the intent 1328 // extras. 1329 return intentCameraId; 1330 } else { 1331 return CameraSettings.readPreferredCameraId(preferences); 1332 } 1333 } 1334 1335 1336 @Override 1337 public void onFullScreenChanged(boolean full) { 1338 if (mPopup != null) { 1339 dismissPopup(false); 1340 } 1341 if (mGestures != null) { 1342 mGestures.setEnabled(full); 1343 } 1344 if (mFocusManager != null) { 1345 mFocusManager.resetTouchFocus(); 1346 mFocusManager.setEnabled(full); 1347 } 1348 if (ApiHelper.HAS_SURFACE_TEXTURE) { 1349 if (mActivity.mCameraScreenNail != null) { 1350 ((CameraScreenNail) mActivity.mCameraScreenNail).setFullScreen(full); 1351 } 1352 return; 1353 } 1354 if (full) { 1355 mPreviewSurfaceView.expand(); 1356 } else { 1357 mPreviewSurfaceView.shrink(); 1358 } 1359 } 1360 1361 @Override 1362 public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { 1363 Log.v(TAG, "surfaceChanged:" + holder + " width=" + width + ". height=" 1364 + height); 1365 } 1366 1367 @Override 1368 public void surfaceCreated(SurfaceHolder holder) { 1369 Log.v(TAG, "surfaceCreated: " + holder); 1370 mCameraSurfaceHolder = holder; 1371 // Do not access the camera if camera start up thread is not finished. 1372 if (mCameraDevice == null || mCameraStartUpThread != null) return; 1373 1374 mCameraDevice.setPreviewDisplayAsync(holder); 1375 // This happens when onConfigurationChanged arrives, surface has been 1376 // destroyed, and there is no onFullScreenChanged. 1377 if (mCameraState == PREVIEW_STOPPED) { 1378 setupPreview(); 1379 } 1380 } 1381 1382 @Override 1383 public void surfaceDestroyed(SurfaceHolder holder) { 1384 Log.v(TAG, "surfaceDestroyed: " + holder); 1385 mCameraSurfaceHolder = null; 1386 stopPreview(); 1387 } 1388 1389 private void updateSceneModeUI() { 1390 // If scene mode is set, we cannot set flash mode, white balance, and 1391 // focus mode, instead, we read it from driver 1392 if (!Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 1393 overrideCameraSettings(mParameters.getFlashMode(), 1394 mParameters.getWhiteBalance(), mParameters.getFocusMode()); 1395 } else { 1396 overrideCameraSettings(null, null, null); 1397 } 1398 } 1399 1400 private void overrideCameraSettings(final String flashMode, 1401 final String whiteBalance, final String focusMode) { 1402 if (mPhotoControl != null) { 1403// mPieControl.enableFilter(true); 1404 mPhotoControl.overrideSettings( 1405 CameraSettings.KEY_FLASH_MODE, flashMode, 1406 CameraSettings.KEY_WHITE_BALANCE, whiteBalance, 1407 CameraSettings.KEY_FOCUS_MODE, focusMode); 1408// mPieControl.enableFilter(false); 1409 } 1410 } 1411 1412 private void loadCameraPreferences() { 1413 CameraSettings settings = new CameraSettings(mActivity, mInitialParams, 1414 mCameraId, CameraHolder.instance().getCameraInfo()); 1415 mPreferenceGroup = settings.getPreferenceGroup(R.xml.camera_preferences); 1416 } 1417 1418 @Override 1419 public boolean collapseCameraControls() { 1420 // Remove all the popups/dialog boxes 1421 boolean ret = false; 1422 if(mRotateDialog != null && mRotateDialog.getVisibility() == View.VISIBLE) { 1423 mRotateDialog.dismissDialog(); 1424 ret = true; 1425 } 1426 if (mPopup != null) { 1427 dismissPopup(false); 1428 ret = true; 1429 } 1430 return ret; 1431 } 1432 1433 public boolean removeTopLevelPopup() { 1434 // Remove the top level popup or dialog box and return true if there's any 1435 if (mRotateDialog != null && mRotateDialog.getVisibility() == View.VISIBLE) { 1436 mRotateDialog.dismissDialog(); 1437 return true; 1438 } 1439 if (mPopup != null) { 1440 dismissPopup(true); 1441 return true; 1442 } 1443 return false; 1444 } 1445 1446 @Override 1447 public void onOrientationChanged(int orientation) { 1448 // We keep the last known orientation. So if the user first orient 1449 // the camera then point the camera to floor or sky, we still have 1450 // the correct orientation. 1451 if (orientation == OrientationEventListener.ORIENTATION_UNKNOWN) return; 1452 mOrientation = Util.roundOrientation(orientation, mOrientation); 1453 // When the screen is unlocked, display rotation may change. Always 1454 // calculate the up-to-date orientationCompensation. 1455 int orientationCompensation = 1456 (mOrientation + Util.getDisplayRotation(mActivity)) % 360; 1457 if (mOrientationCompensation != orientationCompensation || mOrientationResetNeeded) { 1458 mOrientationCompensation = orientationCompensation; 1459 setOrientationIndicator(mOrientationCompensation, true); 1460 mOrientationResetNeeded = false; 1461 } 1462 1463 // Show the toast after getting the first orientation changed. 1464 if (mHandler.hasMessages(SHOW_TAP_TO_FOCUS_TOAST)) { 1465 mHandler.removeMessages(SHOW_TAP_TO_FOCUS_TOAST); 1466 showTapToFocusToast(); 1467 } 1468 } 1469 1470 private void setOrientationIndicator(int orientation, boolean animation) { 1471 Rotatable[] indicators = { 1472 mRenderOverlay, mFaceView, 1473 mReviewDoneButton, mRotateDialog, mOnScreenIndicators}; 1474 for (Rotatable indicator : indicators) { 1475 if (indicator != null) indicator.setOrientation(orientation, animation); 1476 } 1477 1478 // We change the orientation of the review cancel button only for tablet 1479 // UI because there's a label along with the X icon. For phone UI, we 1480 // don't change the orientation because there's only a symmetrical X 1481 // icon. 1482 if (mReviewCancelButton instanceof RotateLayout) { 1483 mReviewCancelButton.setOrientation(orientation, animation); 1484 } 1485 if (mPopup != null) { 1486 mPopup.setOrientation(orientation, animation); 1487 } 1488 if (mGestures != null) { 1489 mGestures.setOrientation(orientation); 1490 } 1491 } 1492 1493 @Override 1494 public void onStop() { 1495 if (mMediaProviderClient != null) { 1496 mMediaProviderClient.release(); 1497 mMediaProviderClient = null; 1498 } 1499 } 1500 1501 // onClick handler for R.id.btn_retake 1502 @OnClickAttr 1503 public void onReviewRetakeClicked(View v) { 1504 if (mPaused) return; 1505 1506 hidePostCaptureAlert(); 1507 setupPreview(); 1508 } 1509 1510 // onClick handler for R.id.btn_done 1511 @OnClickAttr 1512 public void onReviewDoneClicked(View v) { 1513 doAttach(); 1514 } 1515 1516 // onClick handler for R.id.btn_cancel 1517 @OnClickAttr 1518 public void onReviewCancelClicked(View v) { 1519 doCancel(); 1520 } 1521 1522 private void doAttach() { 1523 if (mPaused) { 1524 return; 1525 } 1526 1527 byte[] data = mJpegImageData; 1528 1529 if (mCropValue == null) { 1530 // First handle the no crop case -- just return the value. If the 1531 // caller specifies a "save uri" then write the data to its 1532 // stream. Otherwise, pass back a scaled down version of the bitmap 1533 // directly in the extras. 1534 if (mSaveUri != null) { 1535 OutputStream outputStream = null; 1536 try { 1537 outputStream = mContentResolver.openOutputStream(mSaveUri); 1538 outputStream.write(data); 1539 outputStream.close(); 1540 1541 mActivity.setResultEx(Activity.RESULT_OK); 1542 mActivity.finish(); 1543 } catch (IOException ex) { 1544 // ignore exception 1545 } finally { 1546 Util.closeSilently(outputStream); 1547 } 1548 } else { 1549 int orientation = Exif.getOrientation(data); 1550 Bitmap bitmap = Util.makeBitmap(data, 50 * 1024); 1551 bitmap = Util.rotate(bitmap, orientation); 1552 mActivity.setResultEx(Activity.RESULT_OK, 1553 new Intent("inline-data").putExtra("data", bitmap)); 1554 mActivity.finish(); 1555 } 1556 } else { 1557 // Save the image to a temp file and invoke the cropper 1558 Uri tempUri = null; 1559 FileOutputStream tempStream = null; 1560 try { 1561 File path = mActivity.getFileStreamPath(sTempCropFilename); 1562 path.delete(); 1563 tempStream = mActivity.openFileOutput(sTempCropFilename, 0); 1564 tempStream.write(data); 1565 tempStream.close(); 1566 tempUri = Uri.fromFile(path); 1567 } catch (FileNotFoundException ex) { 1568 mActivity.setResultEx(Activity.RESULT_CANCELED); 1569 mActivity.finish(); 1570 return; 1571 } catch (IOException ex) { 1572 mActivity.setResultEx(Activity.RESULT_CANCELED); 1573 mActivity.finish(); 1574 return; 1575 } finally { 1576 Util.closeSilently(tempStream); 1577 } 1578 1579 Bundle newExtras = new Bundle(); 1580 if (mCropValue.equals("circle")) { 1581 newExtras.putString("circleCrop", "true"); 1582 } 1583 if (mSaveUri != null) { 1584 newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, mSaveUri); 1585 } else { 1586 newExtras.putBoolean("return-data", true); 1587 } 1588 if (mActivity.isSecureCamera()) { 1589 newExtras.putBoolean(CropImage.KEY_SHOW_WHEN_LOCKED, true); 1590 } 1591 1592 Intent cropIntent = new Intent("com.android.camera.action.CROP"); 1593 1594 cropIntent.setData(tempUri); 1595 cropIntent.putExtras(newExtras); 1596 1597 mActivity.startActivityForResult(cropIntent, REQUEST_CROP); 1598 } 1599 } 1600 1601 private void doCancel() { 1602 mActivity.setResultEx(Activity.RESULT_CANCELED, new Intent()); 1603 mActivity.finish(); 1604 } 1605 1606 @Override 1607 public void onShutterButtonFocus(boolean pressed) { 1608 if (mPaused || collapseCameraControls() 1609 || (mCameraState == SNAPSHOT_IN_PROGRESS) 1610 || (mCameraState == PREVIEW_STOPPED)) return; 1611 1612 // Do not do focus if there is not enough storage. 1613 if (pressed && !canTakePicture()) return; 1614 1615 if (pressed) { 1616 mFocusManager.onShutterDown(); 1617 } else { 1618 mFocusManager.onShutterUp(); 1619 } 1620 } 1621 1622 @Override 1623 public void onShutterButtonClick() { 1624 if (mPaused || collapseCameraControls() 1625 || (mCameraState == SWITCHING_CAMERA) 1626 || (mCameraState == PREVIEW_STOPPED)) return; 1627 1628 // Do not take the picture if there is not enough storage. 1629 if (mActivity.getStorageSpace() <= Storage.LOW_STORAGE_THRESHOLD) { 1630 Log.i(TAG, "Not enough space or storage not ready. remaining=" 1631 + mActivity.getStorageSpace()); 1632 return; 1633 } 1634 Log.v(TAG, "onShutterButtonClick: mCameraState=" + mCameraState); 1635 1636 // If the user wants to do a snapshot while the previous one is still 1637 // in progress, remember the fact and do it after we finish the previous 1638 // one and re-start the preview. Snapshot in progress also includes the 1639 // state that autofocus is focusing and a picture will be taken when 1640 // focus callback arrives. 1641 if ((mFocusManager.isFocusingSnapOnFinish() || mCameraState == SNAPSHOT_IN_PROGRESS) 1642 && !mIsImageCaptureIntent) { 1643 mSnapshotOnIdle = true; 1644 return; 1645 } 1646 1647 mSnapshotOnIdle = false; 1648 mFocusManager.doSnap(); 1649 } 1650 1651 @Override 1652 public void installIntentFilter() { 1653 } 1654 1655 @Override 1656 public boolean updateStorageHintOnResume() { 1657 return mFirstTimeInitialized; 1658 } 1659 1660 @Override 1661 public void updateCameraAppView() { 1662 } 1663 1664 @Override 1665 public void onResumeBeforeSuper() { 1666 mPaused = false; 1667 } 1668 1669 @Override 1670 public void onResumeAfterSuper() { 1671 if (mOpenCameraFail || mCameraDisabled) return; 1672 1673 mJpegPictureCallbackTime = 0; 1674 mZoomValue = 0; 1675 1676 // Start the preview if it is not started. 1677 if (mCameraState == PREVIEW_STOPPED && mCameraStartUpThread == null) { 1678 resetExposureCompensation(); 1679 mCameraStartUpThread = new CameraStartUpThread(); 1680 mCameraStartUpThread.start(); 1681 } 1682 1683 // If first time initialization is not finished, put it in the 1684 // message queue. 1685 if (!mFirstTimeInitialized) { 1686 mHandler.sendEmptyMessage(FIRST_TIME_INIT); 1687 } else { 1688 initializeSecondTime(); 1689 } 1690 keepScreenOnAwhile(); 1691 1692 // Dismiss open menu if exists. 1693 PopupManager.getInstance(mActivity).notifyShowPopup(null); 1694 } 1695 1696 void waitCameraStartUpThread() { 1697 try { 1698 if (mCameraStartUpThread != null) { 1699 mCameraStartUpThread.cancel(); 1700 mCameraStartUpThread.join(); 1701 mCameraStartUpThread = null; 1702 setCameraState(IDLE); 1703 } 1704 } catch (InterruptedException e) { 1705 // ignore 1706 } 1707 } 1708 1709 @Override 1710 public void onPauseBeforeSuper() { 1711 mPaused = true; 1712 } 1713 1714 @Override 1715 public void onPauseAfterSuper() { 1716 // Wait the camera start up thread to finish. 1717 waitCameraStartUpThread(); 1718 1719 // When camera is started from secure lock screen for the first time 1720 // after screen on, the activity gets onCreate->onResume->onPause->onResume. 1721 // To reduce the latency, keep the camera for a short time so it does 1722 // not need to be opened again. 1723 if (mCameraDevice != null && mActivity.isSecureCamera() 1724 && ActivityBase.isFirstStartAfterScreenOn()) { 1725 ActivityBase.resetFirstStartAfterScreenOn(); 1726 CameraHolder.instance().keep(KEEP_CAMERA_TIMEOUT); 1727 } 1728 stopPreview(); 1729 // Close the camera now because other activities may need to use it. 1730 closeCamera(); 1731 if (mSurfaceTexture != null) { 1732 ((CameraScreenNail) mActivity.mCameraScreenNail).releaseSurfaceTexture(); 1733 mSurfaceTexture = null; 1734 } 1735 resetScreenOn(); 1736 1737 // Clear UI. 1738 collapseCameraControls(); 1739 if (mFaceView != null) mFaceView.clear(); 1740 1741 if (mFirstTimeInitialized) { 1742 if (mImageSaver != null) { 1743 mImageSaver.finish(); 1744 mImageSaver = null; 1745 mImageNamer.finish(); 1746 mImageNamer = null; 1747 } 1748 } 1749 1750 if (mLocationManager != null) mLocationManager.recordLocation(false); 1751 updateExposureOnScreenIndicator(0); 1752 1753 // If we are in an image capture intent and has taken 1754 // a picture, we just clear it in onPause. 1755 mJpegImageData = null; 1756 1757 // Remove the messages in the event queue. 1758 mHandler.removeMessages(SETUP_PREVIEW); 1759 mHandler.removeMessages(FIRST_TIME_INIT); 1760 mHandler.removeMessages(CHECK_DISPLAY_ROTATION); 1761 mHandler.removeMessages(SWITCH_CAMERA); 1762 mHandler.removeMessages(SWITCH_CAMERA_START_ANIMATION); 1763 mHandler.removeMessages(CAMERA_OPEN_DONE); 1764 mHandler.removeMessages(START_PREVIEW_DONE); 1765 mHandler.removeMessages(OPEN_CAMERA_FAIL); 1766 mHandler.removeMessages(CAMERA_DISABLED); 1767 1768 mPendingSwitchCameraId = -1; 1769 if (mFocusManager != null) mFocusManager.removeMessages(); 1770 } 1771 1772 private void initializeControlByIntent() { 1773 if (mIsImageCaptureIntent) { 1774 1775 mActivity.hideSwitcher(); 1776 // Cannot use RotateImageView for "done" and "cancel" button because 1777 // the tablet layout uses RotateLayout, which cannot be cast to 1778 // RotateImageView. 1779 mReviewDoneButton = (Rotatable) mRootView.findViewById(R.id.btn_done); 1780 mReviewCancelButton = (Rotatable) mRootView.findViewById(R.id.btn_cancel); 1781 1782 ((View) mReviewCancelButton).setVisibility(View.VISIBLE); 1783 1784 ((View) mReviewDoneButton).setOnClickListener(new OnClickListener() { 1785 @Override 1786 public void onClick(View v) { 1787 onReviewDoneClicked(v); 1788 } 1789 }); 1790 ((View) mReviewCancelButton).setOnClickListener(new OnClickListener() { 1791 @Override 1792 public void onClick(View v) { 1793 onReviewCancelClicked(v); 1794 } 1795 }); 1796 1797 // Not grayed out upon disabled, to make the follow-up fade-out 1798 // effect look smooth. Note that the review done button in tablet 1799 // layout is not a TwoStateImageView. 1800 if (mReviewDoneButton instanceof TwoStateImageView) { 1801 ((TwoStateImageView) mReviewDoneButton).enableFilter(false); 1802 } 1803 1804 setupCaptureParams(); 1805 } 1806 } 1807 1808 /** 1809 * The focus manager is the first UI related element to get initialized, 1810 * and it requires the RenderOverlay, so initialize it here 1811 */ 1812 private void initializeFocusManager() { 1813 // Create FocusManager object. startPreview needs it. 1814 mRenderOverlay = (RenderOverlay) mRootView.findViewById(R.id.render_overlay); 1815 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 1816 boolean mirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); 1817 String[] defaultFocusModes = mActivity.getResources().getStringArray( 1818 R.array.pref_camera_focusmode_default_array); 1819 // if mFocusManager not null, reuse it 1820 // otherwise create a new instance 1821 if (mFocusManager != null) { 1822 mFocusManager.removeMessages(); 1823 } else { 1824 mFocusManager = new FocusOverlayManager(mPreferences, defaultFocusModes, 1825 mInitialParams, this, mirror, 1826 mActivity.getMainLooper()); 1827 } 1828 } 1829 1830 private void initializeMiscControls() { 1831 // startPreview needs this. 1832 mPreviewFrameLayout = (PreviewFrameLayout) mRootView.findViewById(R.id.frame); 1833 // Set touch focus listener. 1834 mActivity.setSingleTapUpListener(mPreviewFrameLayout); 1835 1836 mOnScreenIndicators = (Rotatable) mRootView.findViewById(R.id.on_screen_indicators); 1837 mFaceView = (FaceView) mRootView.findViewById(R.id.face_view); 1838 mPreviewFrameLayout.setOnSizeChangedListener(this); 1839 mPreviewFrameLayout.setOnLayoutChangeListener(mActivity); 1840 if (!ApiHelper.HAS_SURFACE_TEXTURE) { 1841 mPreviewSurfaceView = 1842 (PreviewSurfaceView) mRootView.findViewById(R.id.preview_surface_view); 1843 mPreviewSurfaceView.setVisibility(View.VISIBLE); 1844 mPreviewSurfaceView.getHolder().addCallback(this); 1845 } 1846 } 1847 1848 @Override 1849 public void onConfigurationChanged(Configuration newConfig) { 1850 Log.v(TAG, "onConfigurationChanged"); 1851 setDisplayOrientation(); 1852 1853 ((ViewGroup) mRootView).removeAllViews(); 1854 LayoutInflater inflater = mActivity.getLayoutInflater(); 1855 inflater.inflate(R.layout.photo_module, (ViewGroup) mRootView); 1856 1857 // from onCreate() 1858 initializeControlByIntent(); 1859 1860 initializeFocusManager(); 1861 initializeMiscControls(); 1862 loadCameraPreferences(); 1863 initializePhotoControl(); 1864 1865 // from initializeFirstTime() 1866 mShutterButton = mActivity.getShutterButton(); 1867 mShutterButton.setOnShutterButtonListener(this); 1868 initializeZoom(); 1869 initOnScreenIndicator(); 1870 updateOnScreenIndicators(); 1871 if (mFaceView != null) { 1872 mFaceView.clear(); 1873 mFaceView.setVisibility(View.VISIBLE); 1874 mFaceView.setDisplayOrientation(mDisplayOrientation); 1875 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 1876 mFaceView.setMirror(info.facing == CameraInfo.CAMERA_FACING_FRONT); 1877 mFaceView.resume(); 1878 mFocusManager.setFaceView(mFaceView); 1879 } 1880 initializeRenderOverlay(); 1881 } 1882 1883 @Override 1884 public void onActivityResult( 1885 int requestCode, int resultCode, Intent data) { 1886 switch (requestCode) { 1887 case REQUEST_CROP: { 1888 Intent intent = new Intent(); 1889 if (data != null) { 1890 Bundle extras = data.getExtras(); 1891 if (extras != null) { 1892 intent.putExtras(extras); 1893 } 1894 } 1895 mActivity.setResultEx(resultCode, intent); 1896 mActivity.finish(); 1897 1898 File path = mActivity.getFileStreamPath(sTempCropFilename); 1899 path.delete(); 1900 1901 break; 1902 } 1903 } 1904 } 1905 1906 private boolean canTakePicture() { 1907 return isCameraIdle() && (mActivity.getStorageSpace() > Storage.LOW_STORAGE_THRESHOLD); 1908 } 1909 1910 @Override 1911 public void autoFocus() { 1912 mFocusStartTime = System.currentTimeMillis(); 1913 mCameraDevice.autoFocus(mAutoFocusCallback); 1914 setCameraState(FOCUSING); 1915 } 1916 1917 @Override 1918 public void cancelAutoFocus() { 1919 mCameraDevice.cancelAutoFocus(); 1920 setCameraState(IDLE); 1921 setCameraParameters(UPDATE_PARAM_PREFERENCE); 1922 } 1923 1924 @Override 1925 public void onMenuClicked() { 1926 if (mPieRenderer != null) { 1927 mPieRenderer.showInCenter(); 1928 } 1929 } 1930 1931 // Preview area is touched. Handle touch focus. 1932 @Override 1933 public void onSingleTapUp(View view, int x, int y) { 1934 if (mPaused || mCameraDevice == null || !mFirstTimeInitialized 1935 || mCameraState == SNAPSHOT_IN_PROGRESS 1936 || mCameraState == SWITCHING_CAMERA 1937 || mCameraState == PREVIEW_STOPPED) { 1938 return; 1939 } 1940 1941 // Do not trigger touch focus if popup window is opened. 1942 if (removeTopLevelPopup()) return; 1943 1944 // Check if metering area or focus area is supported. 1945 if (!mFocusAreaSupported && !mMeteringAreaSupported) { 1946 if (mPieRenderer != null) { 1947 mPieRenderer.setFocus(x, y, true); 1948 } 1949 } else { 1950 mFocusManager.onSingleTapUp(x, y); 1951 } 1952 } 1953 1954 @Override 1955 public boolean onBackPressed() { 1956 // In image capture mode, back button should: 1957 // 1) if there is any popup, dismiss them, 2) otherwise, get out of image capture 1958 if (mIsImageCaptureIntent) { 1959 if (!removeTopLevelPopup()) { 1960 // no popup to dismiss, cancel image capture 1961 doCancel(); 1962 } 1963 return true; 1964 } else if (!isCameraIdle()) { 1965 // ignore backs while we're taking a picture 1966 return true; 1967 } else { 1968 return removeTopLevelPopup(); 1969 } 1970 } 1971 1972 @Override 1973 public boolean onKeyDown(int keyCode, KeyEvent event) { 1974 switch (keyCode) { 1975 case KeyEvent.KEYCODE_FOCUS: 1976 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1977 onShutterButtonFocus(true); 1978 } 1979 return true; 1980 case KeyEvent.KEYCODE_CAMERA: 1981 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1982 onShutterButtonClick(); 1983 } 1984 return true; 1985 case KeyEvent.KEYCODE_DPAD_CENTER: 1986 // If we get a dpad center event without any focused view, move 1987 // the focus to the shutter button and press it. 1988 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1989 // Start auto-focus immediately to reduce shutter lag. After 1990 // the shutter button gets the focus, onShutterButtonFocus() 1991 // will be called again but it is fine. 1992 if (removeTopLevelPopup()) return true; 1993 onShutterButtonFocus(true); 1994 if (mShutterButton.isInTouchMode()) { 1995 mShutterButton.requestFocusFromTouch(); 1996 } else { 1997 mShutterButton.requestFocus(); 1998 } 1999 mShutterButton.setPressed(true); 2000 } 2001 return true; 2002 } 2003 return false; 2004 } 2005 2006 @Override 2007 public boolean onKeyUp(int keyCode, KeyEvent event) { 2008 switch (keyCode) { 2009 case KeyEvent.KEYCODE_FOCUS: 2010 if (mFirstTimeInitialized) { 2011 onShutterButtonFocus(false); 2012 } 2013 return true; 2014 } 2015 return false; 2016 } 2017 2018 @TargetApi(ApiHelper.VERSION_CODES.ICE_CREAM_SANDWICH) 2019 private void closeCamera() { 2020 if (mCameraDevice != null) { 2021 mCameraDevice.setZoomChangeListener(null); 2022 if(ApiHelper.HAS_FACE_DETECTION) { 2023 mCameraDevice.setFaceDetectionListener(null); 2024 } 2025 mCameraDevice.setErrorCallback(null); 2026 CameraHolder.instance().release(); 2027 mFaceDetectionStarted = false; 2028 mCameraDevice = null; 2029 setCameraState(PREVIEW_STOPPED); 2030 mFocusManager.onCameraReleased(); 2031 } 2032 } 2033 2034 private void setDisplayOrientation() { 2035 mDisplayRotation = Util.getDisplayRotation(mActivity); 2036 mDisplayOrientation = Util.getDisplayOrientation(mDisplayRotation, mCameraId); 2037 mCameraDisplayOrientation = Util.getDisplayOrientation(0, mCameraId); 2038 if (mFaceView != null) { 2039 mFaceView.setDisplayOrientation(mDisplayOrientation); 2040 } 2041 mFocusManager.setDisplayOrientation(mDisplayOrientation); 2042 } 2043 2044 // Only called by UI thread. 2045 private void setupPreview() { 2046 mFocusManager.resetTouchFocus(); 2047 startPreview(); 2048 setCameraState(IDLE); 2049 startFaceDetection(); 2050 } 2051 2052 // This can be called by UI Thread or CameraStartUpThread. So this should 2053 // not modify the views. 2054 private void startPreview() { 2055 mCameraDevice.setErrorCallback(mErrorCallback); 2056 2057 // If we're previewing already, stop the preview first (this will blank 2058 // the screen). 2059 if (mCameraState != PREVIEW_STOPPED) stopPreview(); 2060 2061 setDisplayOrientation(); 2062 2063 if (!mSnapshotOnIdle) { 2064 // If the focus mode is continuous autofocus, call cancelAutoFocus to 2065 // resume it because it may have been paused by autoFocus call. 2066 if (Util.FOCUS_MODE_CONTINUOUS_PICTURE.equals(mFocusManager.getFocusMode())) { 2067 mCameraDevice.cancelAutoFocus(); 2068 } 2069 mFocusManager.setAeAwbLock(false); // Unlock AE and AWB. 2070 } 2071 setCameraParameters(UPDATE_PARAM_ALL); 2072 2073 if (ApiHelper.HAS_SURFACE_TEXTURE) { 2074 CameraScreenNail screenNail = (CameraScreenNail) mActivity.mCameraScreenNail; 2075 if (mSurfaceTexture == null) { 2076 Size size = mParameters.getPreviewSize(); 2077 if (mCameraDisplayOrientation % 180 == 0) { 2078 screenNail.setSize(size.width, size.height); 2079 } else { 2080 screenNail.setSize(size.height, size.width); 2081 } 2082 mActivity.notifyScreenNailChanged(); 2083 screenNail.acquireSurfaceTexture(); 2084 mSurfaceTexture = screenNail.getSurfaceTexture(); 2085 } 2086 mCameraDevice.setDisplayOrientation(mCameraDisplayOrientation); 2087 mCameraDevice.setPreviewTextureAsync((SurfaceTexture) mSurfaceTexture); 2088 } else { 2089 mCameraDevice.setDisplayOrientation(mDisplayOrientation); 2090 mCameraDevice.setPreviewDisplayAsync(mCameraSurfaceHolder); 2091 } 2092 2093 Log.v(TAG, "startPreview"); 2094 mCameraDevice.startPreviewAsync(); 2095 2096 mFocusManager.onPreviewStarted(); 2097 2098 if (mSnapshotOnIdle) { 2099 mHandler.post(mDoSnapRunnable); 2100 } 2101 } 2102 2103 private void stopPreview() { 2104 if (mCameraDevice != null && mCameraState != PREVIEW_STOPPED) { 2105 Log.v(TAG, "stopPreview"); 2106 mCameraDevice.cancelAutoFocus(); // Reset the focus. 2107 mCameraDevice.stopPreview(); 2108 mFaceDetectionStarted = false; 2109 } 2110 setCameraState(PREVIEW_STOPPED); 2111 if (mFocusManager != null) mFocusManager.onPreviewStopped(); 2112 } 2113 2114 @SuppressWarnings("deprecation") 2115 private void updateCameraParametersInitialize() { 2116 // Reset preview frame rate to the maximum because it may be lowered by 2117 // video camera application. 2118 List<Integer> frameRates = mParameters.getSupportedPreviewFrameRates(); 2119 if (frameRates != null) { 2120 Integer max = Collections.max(frameRates); 2121 mParameters.setPreviewFrameRate(max); 2122 } 2123 2124 mParameters.set(Util.RECORDING_HINT, Util.FALSE); 2125 2126 // Disable video stabilization. Convenience methods not available in API 2127 // level <= 14 2128 String vstabSupported = mParameters.get("video-stabilization-supported"); 2129 if ("true".equals(vstabSupported)) { 2130 mParameters.set("video-stabilization", "false"); 2131 } 2132 } 2133 2134 private void updateCameraParametersZoom() { 2135 // Set zoom. 2136 if (mParameters.isZoomSupported()) { 2137 mParameters.setZoom(mZoomValue); 2138 } 2139 } 2140 2141 @TargetApi(ApiHelper.VERSION_CODES.JELLY_BEAN) 2142 private void setAutoExposureLockIfSupported() { 2143 if (mAeLockSupported) { 2144 mParameters.setAutoExposureLock(mFocusManager.getAeAwbLock()); 2145 } 2146 } 2147 2148 @TargetApi(ApiHelper.VERSION_CODES.JELLY_BEAN) 2149 private void setAutoWhiteBalanceLockIfSupported() { 2150 if (mAwbLockSupported) { 2151 mParameters.setAutoWhiteBalanceLock(mFocusManager.getAeAwbLock()); 2152 } 2153 } 2154 2155 @TargetApi(ApiHelper.VERSION_CODES.ICE_CREAM_SANDWICH) 2156 private void setFocusAreasIfSupported() { 2157 if (mFocusAreaSupported) { 2158 mParameters.setFocusAreas(mFocusManager.getFocusAreas()); 2159 } 2160 } 2161 2162 @TargetApi(ApiHelper.VERSION_CODES.ICE_CREAM_SANDWICH) 2163 private void setMeteringAreasIfSupported() { 2164 if (mMeteringAreaSupported) { 2165 // Use the same area for focus and metering. 2166 mParameters.setMeteringAreas(mFocusManager.getMeteringAreas()); 2167 } 2168 } 2169 2170 private void updateCameraParametersPreference() { 2171 setAutoExposureLockIfSupported(); 2172 setAutoWhiteBalanceLockIfSupported(); 2173 setFocusAreasIfSupported(); 2174 setMeteringAreasIfSupported(); 2175 2176 // Set picture size. 2177 String pictureSize = mPreferences.getString( 2178 CameraSettings.KEY_PICTURE_SIZE, null); 2179 if (pictureSize == null) { 2180 CameraSettings.initialCameraPictureSize(mActivity, mParameters); 2181 } else { 2182 List<Size> supported = mParameters.getSupportedPictureSizes(); 2183 CameraSettings.setCameraPictureSize( 2184 pictureSize, supported, mParameters); 2185 } 2186 Size size = mParameters.getPictureSize(); 2187 2188 // Set a preview size that is closest to the viewfinder height and has 2189 // the right aspect ratio. 2190 List<Size> sizes = mParameters.getSupportedPreviewSizes(); 2191 Size optimalSize = Util.getOptimalPreviewSize(mActivity, sizes, 2192 (double) size.width / size.height); 2193 Size original = mParameters.getPreviewSize(); 2194 if (!original.equals(optimalSize)) { 2195 mParameters.setPreviewSize(optimalSize.width, optimalSize.height); 2196 2197 // Zoom related settings will be changed for different preview 2198 // sizes, so set and read the parameters to get latest values 2199 mCameraDevice.setParameters(mParameters); 2200 mParameters = mCameraDevice.getParameters(); 2201 } 2202 Log.v(TAG, "Preview size is " + optimalSize.width + "x" + optimalSize.height); 2203 2204 // Since changing scene mode may change supported values, set scene mode 2205 // first. HDR is a scene mode. To promote it in UI, it is stored in a 2206 // separate preference. 2207 String hdr = mPreferences.getString(CameraSettings.KEY_CAMERA_HDR, 2208 mActivity.getString(R.string.pref_camera_hdr_default)); 2209 if (mActivity.getString(R.string.setting_on_value).equals(hdr)) { 2210 mSceneMode = Util.SCENE_MODE_HDR; 2211 } else { 2212 mSceneMode = mPreferences.getString( 2213 CameraSettings.KEY_SCENE_MODE, 2214 mActivity.getString(R.string.pref_camera_scenemode_default)); 2215 } 2216 if (Util.isSupported(mSceneMode, mParameters.getSupportedSceneModes())) { 2217 if (!mParameters.getSceneMode().equals(mSceneMode)) { 2218 mParameters.setSceneMode(mSceneMode); 2219 2220 // Setting scene mode will change the settings of flash mode, 2221 // white balance, and focus mode. Here we read back the 2222 // parameters, so we can know those settings. 2223 mCameraDevice.setParameters(mParameters); 2224 mParameters = mCameraDevice.getParameters(); 2225 } 2226 } else { 2227 mSceneMode = mParameters.getSceneMode(); 2228 if (mSceneMode == null) { 2229 mSceneMode = Parameters.SCENE_MODE_AUTO; 2230 } 2231 } 2232 2233 // Set JPEG quality. 2234 int jpegQuality = CameraProfile.getJpegEncodingQualityParameter(mCameraId, 2235 CameraProfile.QUALITY_HIGH); 2236 mParameters.setJpegQuality(jpegQuality); 2237 2238 // For the following settings, we need to check if the settings are 2239 // still supported by latest driver, if not, ignore the settings. 2240 2241 // Set exposure compensation 2242 int value = CameraSettings.readExposure(mPreferences); 2243 int max = mParameters.getMaxExposureCompensation(); 2244 int min = mParameters.getMinExposureCompensation(); 2245 if (value >= min && value <= max) { 2246 mParameters.setExposureCompensation(value); 2247 } else { 2248 Log.w(TAG, "invalid exposure range: " + value); 2249 } 2250 2251 if (Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 2252 // Set flash mode. 2253 String flashMode = mPreferences.getString( 2254 CameraSettings.KEY_FLASH_MODE, 2255 mActivity.getString(R.string.pref_camera_flashmode_default)); 2256 List<String> supportedFlash = mParameters.getSupportedFlashModes(); 2257 if (Util.isSupported(flashMode, supportedFlash)) { 2258 mParameters.setFlashMode(flashMode); 2259 } else { 2260 flashMode = mParameters.getFlashMode(); 2261 if (flashMode == null) { 2262 flashMode = mActivity.getString( 2263 R.string.pref_camera_flashmode_no_flash); 2264 } 2265 } 2266 2267 // Set white balance parameter. 2268 String whiteBalance = mPreferences.getString( 2269 CameraSettings.KEY_WHITE_BALANCE, 2270 mActivity.getString(R.string.pref_camera_whitebalance_default)); 2271 if (Util.isSupported(whiteBalance, 2272 mParameters.getSupportedWhiteBalance())) { 2273 mParameters.setWhiteBalance(whiteBalance); 2274 } else { 2275 whiteBalance = mParameters.getWhiteBalance(); 2276 if (whiteBalance == null) { 2277 whiteBalance = Parameters.WHITE_BALANCE_AUTO; 2278 } 2279 } 2280 2281 // Set focus mode. 2282 mFocusManager.overrideFocusMode(null); 2283 mParameters.setFocusMode(mFocusManager.getFocusMode()); 2284 } else { 2285 mFocusManager.overrideFocusMode(mParameters.getFocusMode()); 2286 } 2287 2288 if (mContinousFocusSupported && ApiHelper.HAS_AUTO_FOCUS_MOVE_CALLBACK) { 2289 updateAutoFocusMoveCallback(); 2290 } 2291 } 2292 2293 @TargetApi(ApiHelper.VERSION_CODES.JELLY_BEAN) 2294 private void updateAutoFocusMoveCallback() { 2295 if (mParameters.getFocusMode().equals(Util.FOCUS_MODE_CONTINUOUS_PICTURE)) { 2296 mCameraDevice.setAutoFocusMoveCallback( 2297 (AutoFocusMoveCallback) mAutoFocusMoveCallback); 2298 } else { 2299 mCameraDevice.setAutoFocusMoveCallback(null); 2300 } 2301 } 2302 2303 // We separate the parameters into several subsets, so we can update only 2304 // the subsets actually need updating. The PREFERENCE set needs extra 2305 // locking because the preference can be changed from GLThread as well. 2306 private void setCameraParameters(int updateSet) { 2307 if ((updateSet & UPDATE_PARAM_INITIALIZE) != 0) { 2308 updateCameraParametersInitialize(); 2309 } 2310 2311 if ((updateSet & UPDATE_PARAM_ZOOM) != 0) { 2312 updateCameraParametersZoom(); 2313 } 2314 2315 if ((updateSet & UPDATE_PARAM_PREFERENCE) != 0) { 2316 updateCameraParametersPreference(); 2317 } 2318 2319 mCameraDevice.setParameters(mParameters); 2320 } 2321 2322 // If the Camera is idle, update the parameters immediately, otherwise 2323 // accumulate them in mUpdateSet and update later. 2324 private void setCameraParametersWhenIdle(int additionalUpdateSet) { 2325 mUpdateSet |= additionalUpdateSet; 2326 if (mCameraDevice == null) { 2327 // We will update all the parameters when we open the device, so 2328 // we don't need to do anything now. 2329 mUpdateSet = 0; 2330 return; 2331 } else if (isCameraIdle()) { 2332 setCameraParameters(mUpdateSet); 2333 updateSceneModeUI(); 2334 mUpdateSet = 0; 2335 } else { 2336 if (!mHandler.hasMessages(SET_CAMERA_PARAMETERS_WHEN_IDLE)) { 2337 mHandler.sendEmptyMessageDelayed( 2338 SET_CAMERA_PARAMETERS_WHEN_IDLE, 1000); 2339 } 2340 } 2341 } 2342 2343 private boolean isCameraIdle() { 2344 return (mCameraState == IDLE) || 2345 ((mFocusManager != null) && mFocusManager.isFocusCompleted() 2346 && (mCameraState != SWITCHING_CAMERA)); 2347 } 2348 2349 private boolean isImageCaptureIntent() { 2350 String action = mActivity.getIntent().getAction(); 2351 return (MediaStore.ACTION_IMAGE_CAPTURE.equals(action) 2352 || ActivityBase.ACTION_IMAGE_CAPTURE_SECURE.equals(action)); 2353 } 2354 2355 private void setupCaptureParams() { 2356 Bundle myExtras = mActivity.getIntent().getExtras(); 2357 if (myExtras != null) { 2358 mSaveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 2359 mCropValue = myExtras.getString("crop"); 2360 } 2361 } 2362 2363 private void showPostCaptureAlert() { 2364 if (mIsImageCaptureIntent) { 2365 Util.fadeOut(mShutterButton); 2366 2367// Util.fadeIn(mReviewRetakeButton); 2368 Util.fadeIn((View) mReviewDoneButton); 2369 } 2370 } 2371 2372 private void hidePostCaptureAlert() { 2373 if (mIsImageCaptureIntent) { 2374// Util.fadeOut(mReviewRetakeButton); 2375 Util.fadeOut((View) mReviewDoneButton); 2376 2377 Util.fadeIn(mShutterButton); 2378 } 2379 } 2380 2381 @Override 2382 public void onSharedPreferenceChanged() { 2383 // ignore the events after "onPause()" 2384 if (mPaused) return; 2385 2386 boolean recordLocation = RecordLocationPreference.get( 2387 mPreferences, mContentResolver); 2388 mLocationManager.recordLocation(recordLocation); 2389 2390 setCameraParametersWhenIdle(UPDATE_PARAM_PREFERENCE); 2391 setPreviewFrameLayoutAspectRatio(); 2392 updateOnScreenIndicators(); 2393 } 2394 2395 @Override 2396 public void onCameraPickerClicked(int cameraId) { 2397 if (mPaused || mPendingSwitchCameraId != -1) return; 2398 2399 mPendingSwitchCameraId = cameraId; 2400 if (ApiHelper.HAS_SURFACE_TEXTURE) { 2401 Log.v(TAG, "Start to copy texture. cameraId=" + cameraId); 2402 // We need to keep a preview frame for the animation before 2403 // releasing the camera. This will trigger onPreviewTextureCopied. 2404 ((CameraScreenNail) mActivity.mCameraScreenNail).copyTexture(); 2405 // Disable all camera controls. 2406 setCameraState(SWITCHING_CAMERA); 2407 } else { 2408 switchCamera(); 2409 } 2410 } 2411 2412 private void switchCamera() { 2413 if (mPaused) return; 2414 2415 Log.v(TAG, "Start to switch camera. id=" + mPendingSwitchCameraId); 2416 mCameraId = mPendingSwitchCameraId; 2417 mPendingSwitchCameraId = -1; 2418 mPhotoControl.setCameraId(mCameraId); 2419 2420 // from onPause 2421 closeCamera(); 2422 collapseCameraControls(); 2423 if (mFaceView != null) mFaceView.clear(); 2424 if (mFocusManager != null) mFocusManager.removeMessages(); 2425 2426 // Restart the camera and initialize the UI. From onCreate. 2427 mPreferences.setLocalId(mActivity, mCameraId); 2428 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 2429 try { 2430 mCameraDevice = Util.openCamera(mActivity, mCameraId); 2431 mParameters = mCameraDevice.getParameters(); 2432 } catch (CameraHardwareException e) { 2433 Util.showErrorAndFinish(mActivity, R.string.cannot_connect_camera); 2434 return; 2435 } catch (CameraDisabledException e) { 2436 Util.showErrorAndFinish(mActivity, R.string.camera_disabled); 2437 return; 2438 } 2439 initializeCapabilities(); 2440 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 2441 boolean mirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); 2442 mFocusManager.setMirror(mirror); 2443 mFocusManager.setParameters(mInitialParams); 2444 setupPreview(); 2445 loadCameraPreferences(); 2446 initializePhotoControl(); 2447 2448 // from onResume 2449 setOrientationIndicator(mOrientationCompensation, false); 2450 // from initializeFirstTime 2451 initializeZoom(); 2452 updateOnScreenIndicators(); 2453 showTapToFocusToastIfNeeded(); 2454 2455 if (ApiHelper.HAS_SURFACE_TEXTURE) { 2456 // Start switch camera animation. Post a message because 2457 // onFrameAvailable from the old camera may already exist. 2458 mHandler.sendEmptyMessage(SWITCH_CAMERA_START_ANIMATION); 2459 } 2460 } 2461 2462 @Override 2463 public void onPieOpened(int centerX, int centerY) { 2464 mActivity.cancelActivityTouchHandling(); 2465 mActivity.setSwipingEnabled(false); 2466 } 2467 2468 @Override 2469 public void onPieClosed() { 2470 mActivity.setSwipingEnabled(true); 2471 } 2472 2473 // Preview texture has been copied. Now camera can be released and the 2474 // animation can be started. 2475 @Override 2476 public void onPreviewTextureCopied() { 2477 mHandler.sendEmptyMessage(SWITCH_CAMERA); 2478 } 2479 2480 @Override 2481 public void onUserInteraction() { 2482 if (!mActivity.isFinishing()) keepScreenOnAwhile(); 2483 } 2484 2485 private void resetScreenOn() { 2486 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 2487 mActivity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2488 } 2489 2490 private void keepScreenOnAwhile() { 2491 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 2492 mActivity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2493 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 2494 } 2495 2496 @Override 2497 public void onRestorePreferencesClicked() { 2498 if (mPaused) return; 2499 Runnable runnable = new Runnable() { 2500 @Override 2501 public void run() { 2502 restorePreferences(); 2503 } 2504 }; 2505 mRotateDialog.showAlertDialog( 2506 null, 2507 mActivity.getString(R.string.confirm_restore_message), 2508 mActivity.getString(android.R.string.ok), runnable, 2509 mActivity.getString(android.R.string.cancel), null); 2510 } 2511 2512 private void restorePreferences() { 2513 // Reset the zoom. Zoom value is not stored in preference. 2514 if (mParameters.isZoomSupported()) { 2515 mZoomValue = 0; 2516 setCameraParametersWhenIdle(UPDATE_PARAM_ZOOM); 2517 // TODO: reset zoom 2518 } 2519 dismissPopup(true); 2520 CameraSettings.restorePreferences(mActivity, mPreferences, 2521 mParameters); 2522 mPhotoControl.reloadPreferences(); 2523 onSharedPreferenceChanged(); 2524 } 2525 2526 @Override 2527 public void onOverriddenPreferencesClicked() { 2528 if (mPaused) return; 2529 if (mNotSelectableToast == null) { 2530 String str = mActivity.getResources().getString(R.string.not_selectable_in_scene_mode); 2531 mNotSelectableToast = Toast.makeText(mActivity, str, Toast.LENGTH_SHORT); 2532 } 2533 mNotSelectableToast.show(); 2534 } 2535 2536 private void showTapToFocusToast() { 2537 new RotateTextToast(mActivity, R.string.tap_to_focus, mOrientationCompensation).show(); 2538 // Clear the preference. 2539 Editor editor = mPreferences.edit(); 2540 editor.putBoolean(CameraSettings.KEY_CAMERA_FIRST_USE_HINT_SHOWN, false); 2541 editor.apply(); 2542 } 2543 2544 private void initializeCapabilities() { 2545 mInitialParams = mCameraDevice.getParameters(); 2546 mFocusAreaSupported = Util.isFocusAreaSupported(mInitialParams); 2547 mMeteringAreaSupported = Util.isMeteringAreaSupported(mInitialParams); 2548 mAeLockSupported = Util.isAutoExposureLockSupported(mInitialParams); 2549 mAwbLockSupported = Util.isAutoWhiteBalanceLockSupported(mInitialParams); 2550 mContinousFocusSupported = mInitialParams.getSupportedFocusModes().contains( 2551 Util.FOCUS_MODE_CONTINUOUS_PICTURE); 2552 } 2553 2554 // PreviewFrameLayout size has changed. 2555 @Override 2556 public void onSizeChanged(int width, int height) { 2557 if (mFocusManager != null) mFocusManager.setPreviewSize(width, height); 2558 } 2559 2560 void setPreviewFrameLayoutAspectRatio() { 2561 // Set the preview frame aspect ratio according to the picture size. 2562 Size size = mParameters.getPictureSize(); 2563 mPreviewFrameLayout.setAspectRatio((double) size.width / size.height); 2564 } 2565 2566 @Override 2567 public boolean needsSwitcher() { 2568 return !mIsImageCaptureIntent; 2569 } 2570 2571 public void showPopup(AbstractSettingPopup popup) { 2572 mActivity.hideUI(); 2573 mPopup = popup; 2574 // Make sure popup is brought up with the right orientation 2575 mPopup.setOrientation(mOrientationCompensation, false); 2576 mPopup.setVisibility(View.VISIBLE); 2577 FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(LayoutParams.WRAP_CONTENT, 2578 LayoutParams.WRAP_CONTENT); 2579 lp.gravity = Gravity.CENTER; 2580 ((FrameLayout) mRootView).addView(mPopup, lp); 2581 } 2582 2583 public void dismissPopup(boolean topPopupOnly) { 2584 mActivity.showUI(); 2585 if (mPopup != null) { 2586 ((FrameLayout) mRootView).removeView(mPopup); 2587 mPopup = null; 2588 } 2589 mPhotoControl.popupDismissed(topPopupOnly); 2590 } 2591 2592} 2593