Camera.java revision e2eebff5a84e6981d81d0a9ac28322867099b295
1/* 2 * Copyright (C) 2007 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 com.android.camera.ui.CameraHeadUpDisplay; 20import com.android.camera.ui.CameraPicker; 21import com.android.camera.ui.FocusRectangle; 22import com.android.camera.ui.GLRootView; 23import com.android.camera.ui.HeadUpDisplay; 24import com.android.camera.ui.IndicatorWheel; 25import com.android.camera.ui.ZoomControllerListener; 26import com.android.camera.ui.ZoomPicker; 27 28import android.app.Activity; 29import android.content.ActivityNotFoundException; 30import android.content.BroadcastReceiver; 31import android.content.ContentProviderClient; 32import android.content.ContentResolver; 33import android.content.Context; 34import android.content.Intent; 35import android.content.IntentFilter; 36import android.content.SharedPreferences.Editor; 37import android.content.res.Configuration; 38import android.content.res.Resources; 39import android.database.Cursor; 40import android.graphics.Bitmap; 41import android.graphics.BitmapFactory; 42import android.hardware.Camera.CameraInfo; 43import android.hardware.Camera.Parameters; 44import android.hardware.Camera.PictureCallback; 45import android.hardware.Camera.Size; 46import android.location.Location; 47import android.location.LocationManager; 48import android.location.LocationProvider; 49import android.media.AudioManager; 50import android.media.ToneGenerator; 51import android.net.Uri; 52import android.os.Build; 53import android.os.Bundle; 54import android.os.Handler; 55import android.os.Looper; 56import android.os.Message; 57import android.os.MessageQueue; 58import android.os.SystemClock; 59import android.provider.MediaStore; 60import android.provider.Settings; 61import android.provider.MediaStore.Images.ImageColumns; 62import android.provider.MediaStore.Images.Media; 63import android.util.Log; 64import android.view.GestureDetector; 65import android.view.KeyEvent; 66import android.view.LayoutInflater; 67import android.view.Menu; 68import android.view.MenuItem; 69import android.view.MotionEvent; 70import android.view.OrientationEventListener; 71import android.view.SurfaceHolder; 72import android.view.SurfaceView; 73import android.view.View; 74import android.view.ViewGroup; 75import android.view.ViewStub; 76import android.view.Window; 77import android.view.WindowManager; 78import android.view.MenuItem.OnMenuItemClickListener; 79import android.widget.Button; 80import android.widget.Toast; 81 82import java.io.File; 83import java.io.FileNotFoundException; 84import java.io.FileOutputStream; 85import java.io.IOException; 86import java.io.OutputStream; 87import java.text.SimpleDateFormat; 88import java.util.ArrayList; 89import java.util.Collections; 90import java.util.Date; 91import java.util.HashMap; 92import java.util.List; 93 94/** The Camera activity which can preview and take pictures. */ 95public class Camera extends ActivityBase implements View.OnClickListener, 96 ShutterButton.OnShutterButtonListener, SurfaceHolder.Callback, 97 Switcher.OnSwitchListener { 98 99 private static final String TAG = "camera"; 100 101 private static final String LAST_THUMB_PATH = 102 Storage.THUMBNAILS + "/image_last_thumb"; 103 104 private static final int CROP_MSG = 1; 105 private static final int FIRST_TIME_INIT = 2; 106 private static final int RESTART_PREVIEW = 3; 107 private static final int CLEAR_SCREEN_DELAY = 4; 108 private static final int SET_CAMERA_PARAMETERS_WHEN_IDLE = 5; 109 private static final int CHECK_DISPLAY_ROTATION = 6; 110 111 // The subset of parameters we need to update in setCameraParameters(). 112 private static final int UPDATE_PARAM_INITIALIZE = 1; 113 private static final int UPDATE_PARAM_ZOOM = 2; 114 private static final int UPDATE_PARAM_PREFERENCE = 4; 115 private static final int UPDATE_PARAM_ALL = -1; 116 117 // When setCameraParametersWhenIdle() is called, we accumulate the subsets 118 // needed to be updated in mUpdateSet. 119 private int mUpdateSet; 120 121 // The brightness settings used when it is set to automatic in the system. 122 // The reason why it is set to 0.7 is just because 1.0 is too bright. 123 private static final float DEFAULT_CAMERA_BRIGHTNESS = 0.7f; 124 125 private static final int SCREEN_DELAY = 2 * 60 * 1000; 126 private static final int FOCUS_BEEP_VOLUME = 100; 127 128 private static final int ZOOM_STOPPED = 0; 129 private static final int ZOOM_START = 1; 130 private static final int ZOOM_STOPPING = 2; 131 132 private int mZoomState = ZOOM_STOPPED; 133 private boolean mSmoothZoomSupported = false; 134 private int mZoomValue; // The current zoom value. 135 private int mZoomMax; 136 private int mTargetZoomValue; 137 private ZoomPicker mZoomPicker; 138 139 private Parameters mParameters; 140 private Parameters mInitialParams; 141 142 private MyOrientationEventListener mOrientationListener; 143 // The device orientation in degrees. Default is unknown. 144 private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; 145 // The orientation compensation for icons and thumbnails. 146 private int mOrientationCompensation = 0; 147 private ComboPreferences mPreferences; 148 149 private static final int IDLE = 1; 150 private static final int SNAPSHOT_IN_PROGRESS = 2; 151 152 private static final boolean SWITCH_CAMERA = true; 153 private static final boolean SWITCH_VIDEO = false; 154 155 private int mStatus = IDLE; 156 private static final String sTempCropFilename = "crop-temp"; 157 158 private android.hardware.Camera mCameraDevice; 159 private ContentProviderClient mMediaProviderClient; 160 private SurfaceView mSurfaceView; 161 private SurfaceHolder mSurfaceHolder = null; 162 private ShutterButton mShutterButton; 163 private FocusRectangle mFocusRectangle; 164 private ToneGenerator mFocusToneGenerator; 165 private GestureDetector mPopupGestureDetector; 166 private SwitcherSet mSwitcher; 167 private boolean mStartPreviewFail = false; 168 169 private GLRootView mGLRootView; 170 171 // The last captured picture. 172 private RotateImageView mThumbnailButton; 173 174 // mCropValue and mSaveUri are used only if isImageCaptureIntent() is true. 175 private String mCropValue; 176 private Uri mSaveUri; 177 178 // GPS on-screen indicator 179 private View mGpsNoSignalView; 180 private View mGpsHasSignalView; 181 182 // Front/Back camera pciker for xlarge layout 183 private CameraPicker mCameraPicker; 184 185 /** 186 * An unpublished intent flag requesting to return as soon as capturing 187 * is completed. 188 * 189 * TODO: consider publishing by moving into MediaStore. 190 */ 191 private final static String EXTRA_QUICK_CAPTURE = 192 "android.intent.extra.quickCapture"; 193 194 private boolean mPreviewing; 195 // The display rotation in degrees. This is only valid when mPreviewing is 196 // true. 197 private int mDisplayRotation; 198 private boolean mPausing; 199 private boolean mFirstTimeInitialized; 200 private boolean mIsImageCaptureIntent; 201 private boolean mRecordLocation; 202 203 private static final int FOCUS_NOT_STARTED = 0; 204 private static final int FOCUSING = 1; 205 private static final int FOCUSING_SNAP_ON_FINISH = 2; 206 private static final int FOCUS_SUCCESS = 3; 207 private static final int FOCUS_FAIL = 4; 208 private int mFocusState = FOCUS_NOT_STARTED; 209 210 private ContentResolver mContentResolver; 211 private boolean mDidRegister = false; 212 213 private final ArrayList<MenuItem> mGalleryItems = new ArrayList<MenuItem>(); 214 215 private LocationManager mLocationManager = null; 216 217 private final ShutterCallback mShutterCallback = new ShutterCallback(); 218 private final PostViewPictureCallback mPostViewPictureCallback = 219 new PostViewPictureCallback(); 220 private final RawPictureCallback mRawPictureCallback = 221 new RawPictureCallback(); 222 private final AutoFocusCallback mAutoFocusCallback = 223 new AutoFocusCallback(); 224 private final ZoomListener mZoomListener = new ZoomListener(); 225 private final CameraErrorCallback mErrorCallback = new CameraErrorCallback(); 226 227 private long mFocusStartTime; 228 private long mFocusCallbackTime; 229 private long mCaptureStartTime; 230 private long mShutterCallbackTime; 231 private long mPostViewPictureCallbackTime; 232 private long mRawPictureCallbackTime; 233 private long mJpegPictureCallbackTime; 234 private long mOnResumeTime; 235 private long mPicturesRemaining; 236 private byte[] mJpegImageData; 237 238 // These latency time are for the CameraLatency test. 239 public long mAutoFocusTime; 240 public long mShutterLag; 241 public long mShutterToPictureDisplayedTime; 242 public long mPictureDisplayedToJpegCallbackTime; 243 public long mJpegCallbackFinishTime; 244 245 // Focus mode. Options are pref_camera_focusmode_entryvalues. 246 private String mFocusMode; 247 private String mSceneMode; 248 private Toast mNotSelectableToast; 249 250 private final Handler mHandler = new MainHandler(); 251 // xlarge devices use indicator wheel. Other devices use head-up display. 252 private CameraHeadUpDisplay mHeadUpDisplay; 253 private IndicatorWheel mIndicatorWheel; 254 private PreferenceGroup mPreferenceGroup; 255 256 // multiple cameras support 257 private int mNumberOfCameras; 258 private int mCameraId; 259 private int mFrontCameraId; 260 private int mBackCameraId; 261 262 private boolean mQuickCapture; 263 264 /** 265 * This Handler is used to post message back onto the main thread of the 266 * application 267 */ 268 private class MainHandler extends Handler { 269 @Override 270 public void handleMessage(Message msg) { 271 switch (msg.what) { 272 case RESTART_PREVIEW: { 273 restartPreview(); 274 if (mJpegPictureCallbackTime != 0) { 275 long now = System.currentTimeMillis(); 276 mJpegCallbackFinishTime = now - mJpegPictureCallbackTime; 277 Log.v(TAG, "mJpegCallbackFinishTime = " 278 + mJpegCallbackFinishTime + "ms"); 279 mJpegPictureCallbackTime = 0; 280 } 281 break; 282 } 283 284 case CLEAR_SCREEN_DELAY: { 285 getWindow().clearFlags( 286 WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 287 break; 288 } 289 290 case FIRST_TIME_INIT: { 291 initializeFirstTime(); 292 break; 293 } 294 295 case SET_CAMERA_PARAMETERS_WHEN_IDLE: { 296 setCameraParametersWhenIdle(0); 297 break; 298 } 299 300 case CHECK_DISPLAY_ROTATION: { 301 // Restart the preview if display rotation has changed. 302 // Sometimes this happens when the device is held upside 303 // down and camera app is opened. Rotation animation will 304 // take some time and the rotation value we have got may be 305 // wrong. Framework does not have a callback for this now. 306 if (Util.getDisplayRotation(Camera.this) != mDisplayRotation 307 && isCameraIdle()) { 308 restartPreview(); 309 } 310 if (SystemClock.uptimeMillis() - mOnResumeTime < 5000) { 311 mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100); 312 } 313 break; 314 } 315 } 316 } 317 } 318 319 private void resetExposureCompensation() { 320 String value = mPreferences.getString(CameraSettings.KEY_EXPOSURE, 321 CameraSettings.EXPOSURE_DEFAULT_VALUE); 322 if (!CameraSettings.EXPOSURE_DEFAULT_VALUE.equals(value)) { 323 Editor editor = mPreferences.edit(); 324 editor.putString(CameraSettings.KEY_EXPOSURE, "0"); 325 editor.apply(); 326 if (mHeadUpDisplay != null) { 327 mHeadUpDisplay.reloadPreferences(); 328 } 329 if (mIndicatorWheel != null) { 330 mIndicatorWheel.reloadPreferences(); 331 } 332 } 333 } 334 335 private void keepMediaProviderInstance() { 336 // We want to keep a reference to MediaProvider in camera's lifecycle. 337 // TODO: Utilize mMediaProviderClient instance to replace 338 // ContentResolver calls. 339 if (mMediaProviderClient == null) { 340 mMediaProviderClient = getContentResolver() 341 .acquireContentProviderClient(MediaStore.AUTHORITY); 342 } 343 } 344 345 // Snapshots can only be taken after this is called. It should be called 346 // once only. We could have done these things in onCreate() but we want to 347 // make preview screen appear as soon as possible. 348 private void initializeFirstTime() { 349 if (mFirstTimeInitialized) return; 350 351 // Create orientation listenter. This should be done first because it 352 // takes some time to get first orientation. 353 mOrientationListener = new MyOrientationEventListener(Camera.this); 354 mOrientationListener.enable(); 355 356 // Initialize location sevice. 357 mLocationManager = (LocationManager) 358 getSystemService(Context.LOCATION_SERVICE); 359 mRecordLocation = RecordLocationPreference.get( 360 mPreferences, getContentResolver()); 361 initGpsOnScreenIndicator(); 362 if (mRecordLocation) startReceivingLocationUpdates(); 363 364 keepMediaProviderInstance(); 365 checkStorage(); 366 367 // Initialize last picture button. 368 mContentResolver = getContentResolver(); 369 if (!mIsImageCaptureIntent) { 370 findViewById(R.id.camera_switch).setOnClickListener(this); 371 initThumbnailButton(); 372 } 373 374 // Initialize shutter button. 375 mShutterButton = (ShutterButton) findViewById(R.id.shutter_button); 376 mShutterButton.setOnShutterButtonListener(this); 377 mShutterButton.setVisibility(View.VISIBLE); 378 379 mFocusRectangle = (FocusRectangle) findViewById(R.id.focus_rectangle); 380 updateFocusIndicator(); 381 382 initializeScreenBrightness(); 383 installIntentFilter(); 384 initializeFocusTone(); 385 initializeZoom(); 386 // xlarge devices use indicator wheel. Other devices use head-up display. 387 if (mIndicatorWheel == null) { 388 mHeadUpDisplay = new CameraHeadUpDisplay(this); 389 mHeadUpDisplay.setListener(new MyHeadUpDisplayListener()); 390 initializeHeadUpDisplay(); 391 } 392 mFirstTimeInitialized = true; 393 changeHeadUpDisplayState(); 394 addIdleHandler(); 395 } 396 397 private void addIdleHandler() { 398 MessageQueue queue = Looper.myQueue(); 399 queue.addIdleHandler(new MessageQueue.IdleHandler() { 400 public boolean queueIdle() { 401 Storage.ensureOSXCompatible(); 402 return false; 403 } 404 }); 405 } 406 407 private void initThumbnailButton() { 408 mThumbnailButton = 409 (RotateImageView) findViewById(R.id.review_thumbnail); 410 if (mThumbnailButton != null) { 411 mThumbnailButton.setOnClickListener(this); 412 mThumbnailButton.loadData(LAST_THUMB_PATH); 413 updateThumbnailButton(); 414 } 415 } 416 417 private void updateThumbnailButton() { 418 if (mThumbnailButton == null) return; 419 // Update last image if URI is invalid and the storage is ready. 420 if (!mThumbnailButton.isUriValid() && mPicturesRemaining >= 0) { 421 Storage.Thumbnail thumbnail = 422 Storage.getLastImageThumbnail(mContentResolver); 423 if (thumbnail != null) { 424 mThumbnailButton.setData(thumbnail.getOriginalUri(), 425 thumbnail.getBitmap(mContentResolver)); 426 } else { 427 mThumbnailButton.setData(null, null); 428 } 429 } 430 mThumbnailButton.setVisibility( 431 (mThumbnailButton.getUri() != null) ? View.VISIBLE : View.GONE); 432 } 433 434 // If the activity is paused and resumed, this method will be called in 435 // onResume. 436 private void initializeSecondTime() { 437 // Start orientation listener as soon as possible because it takes 438 // some time to get first orientation. 439 mOrientationListener.enable(); 440 441 // Start location update if needed. 442 mRecordLocation = RecordLocationPreference.get( 443 mPreferences, getContentResolver()); 444 if (mRecordLocation) startReceivingLocationUpdates(); 445 446 installIntentFilter(); 447 initializeFocusTone(); 448 initializeZoom(); 449 changeHeadUpDisplayState(); 450 451 keepMediaProviderInstance(); 452 checkStorage(); 453 454 if (!mIsImageCaptureIntent) { 455 updateThumbnailButton(); 456 } 457 } 458 459 private void initializeZoom() { 460 if (!mParameters.isZoomSupported()) return; 461 462 mZoomMax = mParameters.getMaxZoom(); 463 mSmoothZoomSupported = mParameters.isSmoothZoomSupported(); 464 if (mZoomPicker != null) { 465 mZoomPicker.setZoomRatios(getZoomRatios()); 466 mZoomPicker.setZoomIndex(mParameters.getZoom()); 467 mZoomPicker.setSmoothZoomSupported(mSmoothZoomSupported); 468 mZoomPicker.setOnZoomChangeListener( 469 new ZoomPicker.OnZoomChangedListener() { 470 // only for immediate zoom 471 public void onZoomValueChanged(int index) { 472 Camera.this.onZoomValueChanged(index); 473 } 474 475 // only for smooth zoom 476 public void onZoomStateChanged(int state) { 477 if (mPausing) return; 478 479 Log.v(TAG, "zoom picker state=" + state); 480 if (state == mZoomPicker.ZOOM_IN) { 481 Camera.this.onZoomValueChanged(mZoomMax); 482 } else if (state == mZoomPicker.ZOOM_OUT){ 483 Camera.this.onZoomValueChanged(0); 484 } else { 485 mTargetZoomValue = -1; 486 if (mZoomState == ZOOM_START) { 487 mZoomState = ZOOM_STOPPING; 488 mCameraDevice.stopSmoothZoom(); 489 } 490 } 491 } 492 }); 493 } 494 495 mCameraDevice.setZoomChangeListener(mZoomListener); 496 } 497 498 private void onZoomValueChanged(int index) { 499 // Not useful to change zoom value when the activity is paused. 500 if (mPausing) return; 501 502 if (mSmoothZoomSupported) { 503 if (mTargetZoomValue != index && mZoomState != ZOOM_STOPPED) { 504 mTargetZoomValue = index; 505 if (mZoomState == ZOOM_START) { 506 mZoomState = ZOOM_STOPPING; 507 mCameraDevice.stopSmoothZoom(); 508 } 509 } else if (mZoomState == ZOOM_STOPPED && mZoomValue != index) { 510 mTargetZoomValue = index; 511 mCameraDevice.startSmoothZoom(index); 512 mZoomState = ZOOM_START; 513 } 514 } else { 515 mZoomValue = index; 516 setCameraParametersWhenIdle(UPDATE_PARAM_ZOOM); 517 } 518 } 519 520 private float[] getZoomRatios() { 521 if(!mParameters.isZoomSupported()) return null; 522 List<Integer> zoomRatios = mParameters.getZoomRatios(); 523 float result[] = new float[zoomRatios.size()]; 524 for (int i = 0, n = result.length; i < n; ++i) { 525 result[i] = (float) zoomRatios.get(i) / 100f; 526 } 527 return result; 528 } 529 530 private int mLocation[] = new int[2]; 531 private class PopupGestureListener extends 532 GestureDetector.SimpleOnGestureListener { 533 public boolean onDown(MotionEvent e) { 534 // Check if the popup window is visible. 535 View v = mIndicatorWheel.getActivePopupWindow(); 536 if (v == null) return false; 537 538 int x = Math.round(e.getX()); 539 int y = Math.round(e.getY()); 540 541 // Dismiss the popup window if users touch on the outside. 542 v.getLocationOnScreen(mLocation); 543 if (x < mLocation[0] || (x > mLocation[0] + v.getWidth()) 544 || y < mLocation[1] || (y > mLocation[1] + v.getHeight())) { 545 // Let indicator wheel handle its own event. 546 mIndicatorWheel.getLocationOnScreen(mLocation); 547 if (x < mLocation[0] || (x > mLocation[0] + mIndicatorWheel.getWidth()) 548 || y < mLocation[1] || (y > mLocation[1] + mIndicatorWheel.getHeight())) { 549 mIndicatorWheel.dismissSettingPopup(); 550 } 551 // Let event fall through. 552 } 553 return false; 554 } 555 } 556 557 @Override 558 public boolean dispatchTouchEvent(MotionEvent m) { 559 // Check if the popup window should be dismissed first. 560 if (mPopupGestureDetector != null && mPopupGestureDetector.onTouchEvent(m)) { 561 return true; 562 } 563 564 return super.dispatchTouchEvent(m); 565 } 566 567 LocationListener [] mLocationListeners = new LocationListener[] { 568 new LocationListener(LocationManager.GPS_PROVIDER), 569 new LocationListener(LocationManager.NETWORK_PROVIDER) 570 }; 571 572 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 573 @Override 574 public void onReceive(Context context, Intent intent) { 575 String action = intent.getAction(); 576 if (action.equals(Intent.ACTION_MEDIA_MOUNTED) 577 || action.equals(Intent.ACTION_MEDIA_UNMOUNTED) 578 || action.equals(Intent.ACTION_MEDIA_CHECKING)) { 579 checkStorage(); 580 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) { 581 checkStorage(); 582 if (!mIsImageCaptureIntent) { 583 updateThumbnailButton(); 584 } 585 } 586 } 587 }; 588 589 private void initializeCameraPicker() { 590 mCameraPicker = (CameraPicker) findViewById(R.id.camera_picker); 591 if (mCameraPicker != null) { 592 mCameraPicker.setImageResource(R.drawable.camera_toggle); 593 ListPreference pref = mPreferenceGroup.findPreference( 594 CameraSettings.KEY_CAMERA_ID); 595 if (pref != null) { 596 mCameraPicker.initialize(pref); 597 mCameraPicker.setListener(new MyCameraPickerListener()); 598 } 599 } 600 } 601 602 private void initGpsOnScreenIndicator() { 603 mGpsNoSignalView = findViewById(R.id.onscreen_gps_indicator_no_signal); 604 mGpsHasSignalView = findViewById(R.id.onscreen_gps_indicator_on); 605 } 606 607 private void showGpsOnScreenIndicator(boolean hasSignal) { 608 if (hasSignal) { 609 if (mGpsNoSignalView != null) mGpsNoSignalView.setVisibility(View.INVISIBLE); 610 if (mGpsHasSignalView != null) mGpsHasSignalView.setVisibility(View.VISIBLE); 611 } else { 612 if (mGpsNoSignalView != null) mGpsNoSignalView.setVisibility(View.VISIBLE); 613 if (mGpsHasSignalView != null) mGpsHasSignalView.setVisibility(View.INVISIBLE); 614 } 615 } 616 617 private void hideGpsOnScreenIndicator() { 618 if (mGpsNoSignalView != null) mGpsNoSignalView.setVisibility(View.INVISIBLE); 619 if (mGpsHasSignalView != null) mGpsHasSignalView.setVisibility(View.INVISIBLE); 620 } 621 622 private class LocationListener 623 implements android.location.LocationListener { 624 Location mLastLocation; 625 boolean mValid = false; 626 String mProvider; 627 628 public LocationListener(String provider) { 629 mProvider = provider; 630 mLastLocation = new Location(mProvider); 631 } 632 633 public void onLocationChanged(Location newLocation) { 634 if (newLocation.getLatitude() == 0.0 635 && newLocation.getLongitude() == 0.0) { 636 // Hack to filter out 0.0,0.0 locations 637 return; 638 } 639 // If GPS is available before start camera, we won't get status 640 // update so update GPS indicator when we receive data. 641 if (mRecordLocation 642 && LocationManager.GPS_PROVIDER.equals(mProvider)) { 643 if (mHeadUpDisplay != null) { 644 mHeadUpDisplay.setGpsHasSignal(true); 645 } 646 showGpsOnScreenIndicator(true); 647 } 648 if (!mValid) { 649 Log.d(TAG, "Got first location."); 650 } 651 mLastLocation.set(newLocation); 652 mValid = true; 653 } 654 655 public void onProviderEnabled(String provider) { 656 } 657 658 public void onProviderDisabled(String provider) { 659 mValid = false; 660 } 661 662 public void onStatusChanged( 663 String provider, int status, Bundle extras) { 664 switch(status) { 665 case LocationProvider.OUT_OF_SERVICE: 666 case LocationProvider.TEMPORARILY_UNAVAILABLE: { 667 mValid = false; 668 if (mRecordLocation && 669 LocationManager.GPS_PROVIDER.equals(provider)) { 670 if (mHeadUpDisplay != null) { 671 mHeadUpDisplay.setGpsHasSignal(false); 672 } 673 showGpsOnScreenIndicator(false); 674 } 675 break; 676 } 677 } 678 } 679 680 public Location current() { 681 return mValid ? mLastLocation : null; 682 } 683 } 684 685 private final class ShutterCallback 686 implements android.hardware.Camera.ShutterCallback { 687 public void onShutter() { 688 mShutterCallbackTime = System.currentTimeMillis(); 689 mShutterLag = mShutterCallbackTime - mCaptureStartTime; 690 Log.v(TAG, "mShutterLag = " + mShutterLag + "ms"); 691 clearFocusState(); 692 } 693 } 694 695 private final class PostViewPictureCallback implements PictureCallback { 696 public void onPictureTaken( 697 byte [] data, android.hardware.Camera camera) { 698 mPostViewPictureCallbackTime = System.currentTimeMillis(); 699 Log.v(TAG, "mShutterToPostViewCallbackTime = " 700 + (mPostViewPictureCallbackTime - mShutterCallbackTime) 701 + "ms"); 702 } 703 } 704 705 private final class RawPictureCallback implements PictureCallback { 706 public void onPictureTaken( 707 byte [] rawData, android.hardware.Camera camera) { 708 mRawPictureCallbackTime = System.currentTimeMillis(); 709 Log.v(TAG, "mShutterToRawCallbackTime = " 710 + (mRawPictureCallbackTime - mShutterCallbackTime) + "ms"); 711 } 712 } 713 714 private final class JpegPictureCallback implements PictureCallback { 715 Location mLocation; 716 717 public JpegPictureCallback(Location loc) { 718 mLocation = loc; 719 } 720 721 public void onPictureTaken( 722 final byte [] jpegData, final android.hardware.Camera camera) { 723 if (mPausing) { 724 return; 725 } 726 727 mJpegPictureCallbackTime = System.currentTimeMillis(); 728 // If postview callback has arrived, the captured image is displayed 729 // in postview callback. If not, the captured image is displayed in 730 // raw picture callback. 731 if (mPostViewPictureCallbackTime != 0) { 732 mShutterToPictureDisplayedTime = 733 mPostViewPictureCallbackTime - mShutterCallbackTime; 734 mPictureDisplayedToJpegCallbackTime = 735 mJpegPictureCallbackTime - mPostViewPictureCallbackTime; 736 } else { 737 mShutterToPictureDisplayedTime = 738 mRawPictureCallbackTime - mShutterCallbackTime; 739 mPictureDisplayedToJpegCallbackTime = 740 mJpegPictureCallbackTime - mRawPictureCallbackTime; 741 } 742 Log.v(TAG, "mPictureDisplayedToJpegCallbackTime = " 743 + mPictureDisplayedToJpegCallbackTime + "ms"); 744 745 if (!mIsImageCaptureIntent) { 746 enableCameraControls(true); 747 748 // We want to show the taken picture for a while, so we wait 749 // for at least 1.2 second before restarting the preview. 750 long delay = 1200 - mPictureDisplayedToJpegCallbackTime; 751 if (delay < 0) { 752 restartPreview(); 753 } else { 754 mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, delay); 755 } 756 } 757 storeImage(jpegData, camera, mLocation); 758 759 // Check this in advance of each shot so we don't add to shutter 760 // latency. It's true that someone else could write to the SD card in 761 // the mean time and fill it, but that could have happened between the 762 // shutter press and saving the JPEG too. 763 checkStorage(); 764 765 if (!mHandler.hasMessages(RESTART_PREVIEW)) { 766 long now = System.currentTimeMillis(); 767 mJpegCallbackFinishTime = now - mJpegPictureCallbackTime; 768 Log.v(TAG, "mJpegCallbackFinishTime = " 769 + mJpegCallbackFinishTime + "ms"); 770 mJpegPictureCallbackTime = 0; 771 } 772 } 773 } 774 775 private final class AutoFocusCallback 776 implements android.hardware.Camera.AutoFocusCallback { 777 public void onAutoFocus( 778 boolean focused, android.hardware.Camera camera) { 779 mFocusCallbackTime = System.currentTimeMillis(); 780 mAutoFocusTime = mFocusCallbackTime - mFocusStartTime; 781 Log.v(TAG, "mAutoFocusTime = " + mAutoFocusTime + "ms"); 782 if (mFocusState == FOCUSING_SNAP_ON_FINISH) { 783 // Take the picture no matter focus succeeds or fails. No need 784 // to play the AF sound if we're about to play the shutter 785 // sound. 786 if (focused) { 787 mFocusState = FOCUS_SUCCESS; 788 } else { 789 mFocusState = FOCUS_FAIL; 790 } 791 capture(); 792 } else if (mFocusState == FOCUSING) { 793 // User is half-pressing the focus key. Play the focus tone. 794 // Do not take the picture now. 795 if (focused) { 796 mFocusState = FOCUS_SUCCESS; 797 if (mFocusToneGenerator != null) { 798 mFocusToneGenerator.startTone(ToneGenerator.TONE_PROP_BEEP2); 799 } 800 } else { 801 mFocusState = FOCUS_FAIL; 802 } 803 } else if (mFocusState == FOCUS_NOT_STARTED) { 804 // User has released the focus key before focus completes. 805 // Do nothing. 806 } 807 updateFocusIndicator(); 808 } 809 } 810 811 private final class ZoomListener 812 implements android.hardware.Camera.OnZoomChangeListener { 813 public void onZoomChange( 814 int value, boolean stopped, android.hardware.Camera camera) { 815 Log.v(TAG, "Zoom changed: value=" + value + ". stopped="+ stopped); 816 mZoomValue = value; 817 818 // Update the UI when we get zoom value. 819 if (mZoomPicker != null) mZoomPicker.setZoomIndex(value); 820 821 // Keep mParameters up to date. We do not getParameter again in 822 // takePicture. If we do not do this, wrong zoom value will be set. 823 mParameters.setZoom(value); 824 825 if (stopped && mZoomState != ZOOM_STOPPED) { 826 if (mTargetZoomValue != -1 && value != mTargetZoomValue) { 827 mCameraDevice.startSmoothZoom(mTargetZoomValue); 828 mZoomState = ZOOM_START; 829 } else { 830 mZoomState = ZOOM_STOPPED; 831 } 832 } 833 } 834 } 835 836 public void storeImage(final byte[] data, 837 android.hardware.Camera camera, Location loc) { 838 if (!mIsImageCaptureIntent) { 839 long dateTaken = System.currentTimeMillis(); 840 String title = createName(dateTaken); 841 842 Storage.Thumbnail thumbnail = Storage.addImage( 843 mContentResolver, title, dateTaken, loc, data); 844 845 if (thumbnail != null && mThumbnailButton != null) { 846 mThumbnailButton.setData(thumbnail.getOriginalUri(), 847 thumbnail.getBitmap(mContentResolver)); 848 mThumbnailButton.setVisibility(View.VISIBLE); 849 850 sendBroadcast(new Intent("com.android.camera.NEW_PICTURE", 851 thumbnail.getOriginalUri())); 852 } 853 } else { 854 mJpegImageData = data; 855 if (!mQuickCapture) { 856 showPostCaptureAlert(); 857 } else { 858 doAttach(); 859 } 860 } 861 } 862 863 private void capture() { 864 // If we are already in the middle of taking a snapshot then ignore. 865 if (mPausing || mStatus == SNAPSHOT_IN_PROGRESS || mCameraDevice == null) { 866 return; 867 } 868 mCaptureStartTime = System.currentTimeMillis(); 869 mPostViewPictureCallbackTime = 0; 870 enableCameraControls(false); 871 mStatus = SNAPSHOT_IN_PROGRESS; 872 mJpegImageData = null; 873 874 // See android.hardware.Camera.Parameters.setRotation for 875 // documentation. 876 int rotation = 0; 877 if (mOrientation != OrientationEventListener.ORIENTATION_UNKNOWN) { 878 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 879 if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 880 rotation = (info.orientation - mOrientation + 360) % 360; 881 } else { // back-facing camera 882 rotation = (info.orientation + mOrientation) % 360; 883 } 884 } 885 mParameters.setRotation(rotation); 886 887 // Clear previous GPS location from the parameters. 888 mParameters.removeGpsData(); 889 890 // We always encode GpsTimeStamp 891 mParameters.setGpsTimestamp(System.currentTimeMillis() / 1000); 892 893 // Set GPS location. 894 Location loc = mRecordLocation ? getCurrentLocation() : null; 895 if (loc != null) { 896 double lat = loc.getLatitude(); 897 double lon = loc.getLongitude(); 898 boolean hasLatLon = (lat != 0.0d) || (lon != 0.0d); 899 900 if (hasLatLon) { 901 Log.d(TAG, "Set gps location"); 902 mParameters.setGpsLatitude(lat); 903 mParameters.setGpsLongitude(lon); 904 mParameters.setGpsProcessingMethod(loc.getProvider().toUpperCase()); 905 if (loc.hasAltitude()) { 906 mParameters.setGpsAltitude(loc.getAltitude()); 907 } else { 908 // for NETWORK_PROVIDER location provider, we may have 909 // no altitude information, but the driver needs it, so 910 // we fake one. 911 mParameters.setGpsAltitude(0); 912 } 913 if (loc.getTime() != 0) { 914 // Location.getTime() is UTC in milliseconds. 915 // gps-timestamp is UTC in seconds. 916 long utcTimeSeconds = loc.getTime() / 1000; 917 mParameters.setGpsTimestamp(utcTimeSeconds); 918 } 919 } else { 920 loc = null; 921 } 922 } 923 924 mCameraDevice.setParameters(mParameters); 925 926 mCameraDevice.takePicture(mShutterCallback, mRawPictureCallback, 927 mPostViewPictureCallback, new JpegPictureCallback(loc)); 928 mPreviewing = false; 929 } 930 931 private boolean saveDataToFile(String filePath, byte[] data) { 932 FileOutputStream f = null; 933 try { 934 f = new FileOutputStream(filePath); 935 f.write(data); 936 } catch (IOException e) { 937 return false; 938 } finally { 939 Util.closeSilently(f); 940 } 941 return true; 942 } 943 944 private String createName(long dateTaken) { 945 Date date = new Date(dateTaken); 946 SimpleDateFormat dateFormat = new SimpleDateFormat( 947 getString(R.string.image_file_name_format)); 948 949 return dateFormat.format(date); 950 } 951 952 @Override 953 public void onCreate(Bundle icicle) { 954 super.onCreate(icicle); 955 956 mIsImageCaptureIntent = isImageCaptureIntent(); 957 if (mIsImageCaptureIntent) { 958 setContentView(R.layout.camera_attach); 959 } else { 960 setContentView(R.layout.camera); 961 } 962 mSurfaceView = (SurfaceView) findViewById(R.id.camera_preview); 963 964 mPreferences = new ComboPreferences(this); 965 CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal()); 966 967 mCameraId = CameraSettings.readPreferredCameraId(mPreferences); 968 969 //Testing purpose. Launch a specific camera through the intent extras. 970 int intentCameraId = Util.getCameraFacingIntentExtras(this); 971 if (intentCameraId != -1) { 972 mCameraId = intentCameraId; 973 } 974 975 mPreferences.setLocalId(this, mCameraId); 976 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 977 978 mNumberOfCameras = CameraHolder.instance().getNumberOfCameras(); 979 mQuickCapture = getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false); 980 981 // we need to reset exposure for the preview 982 resetExposureCompensation(); 983 /* 984 * To reduce startup time, we start the preview in another thread. 985 * We make sure the preview is started at the end of onCreate. 986 */ 987 Thread startPreviewThread = new Thread(new Runnable() { 988 public void run() { 989 try { 990 mStartPreviewFail = false; 991 startPreview(); 992 } catch (CameraHardwareException e) { 993 // In eng build, we throw the exception so that test tool 994 // can detect it and report it 995 if ("eng".equals(Build.TYPE)) { 996 throw new RuntimeException(e); 997 } 998 mStartPreviewFail = true; 999 } 1000 } 1001 }); 1002 startPreviewThread.start(); 1003 1004 // don't set mSurfaceHolder here. We have it set ONLY within 1005 // surfaceChanged / surfaceDestroyed, other parts of the code 1006 // assume that when it is set, the surface is also set. 1007 SurfaceHolder holder = mSurfaceView.getHolder(); 1008 holder.addCallback(this); 1009 holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); 1010 1011 if (mIsImageCaptureIntent) { 1012 setupCaptureParams(); 1013 1014 findViewById(R.id.review_control).setVisibility(View.VISIBLE); 1015 findViewById(R.id.btn_cancel).setOnClickListener(this); 1016 findViewById(R.id.btn_retake).setOnClickListener(this); 1017 findViewById(R.id.btn_done).setOnClickListener(this); 1018 } else { 1019 mSwitcher = (SwitcherSet) findViewById(R.id.camera_switch); 1020 mSwitcher.setVisibility(View.VISIBLE); 1021 mSwitcher.setOnSwitchListener(this); 1022 } 1023 1024 // Make sure preview is started. 1025 try { 1026 startPreviewThread.join(); 1027 if (mStartPreviewFail) { 1028 showCameraErrorAndFinish(); 1029 return; 1030 } 1031 } catch (InterruptedException ex) { 1032 // ignore 1033 } 1034 1035 mBackCameraId = CameraHolder.instance().getBackCameraId(); 1036 mFrontCameraId = CameraHolder.instance().getFrontCameraId(); 1037 1038 // Do this after starting preview because it depends on camera 1039 // parameters. 1040 initializeIndicatorWheel(); 1041 initializeCameraPicker(); 1042 1043 mZoomPicker = (ZoomPicker) findViewById(R.id.zoom_picker); 1044 if (mZoomPicker != null) mZoomPicker.setEnabled(true); // disabled initially in xml 1045 } 1046 1047 private void changeHeadUpDisplayState() { 1048 if (mHeadUpDisplay == null) return; 1049 // If the camera resumes behind the lock screen, the orientation 1050 // will be portrait. That causes OOM when we try to allocation GPU 1051 // memory for the GLSurfaceView again when the orientation changes. So, 1052 // we delayed initialization of HeadUpDisplay until the orientation 1053 // becomes landscape. 1054 Configuration config = getResources().getConfiguration(); 1055 if (config.orientation == Configuration.ORIENTATION_LANDSCAPE 1056 && !mPausing && mFirstTimeInitialized) { 1057 if (mGLRootView == null) attachHeadUpDisplay(); 1058 } else if (mGLRootView != null) { 1059 detachHeadUpDisplay(); 1060 } 1061 } 1062 1063 private void overrideCameraSettings(final String flashMode, 1064 final String whiteBalance, final String focusMode) { 1065 if (mHeadUpDisplay != null) { 1066 mHeadUpDisplay.overrideSettings( 1067 CameraSettings.KEY_FLASH_MODE, flashMode, 1068 CameraSettings.KEY_WHITE_BALANCE, whiteBalance, 1069 CameraSettings.KEY_FOCUS_MODE, focusMode); 1070 } 1071 if (mIndicatorWheel != null) { 1072 mIndicatorWheel.overrideSettings( 1073 CameraSettings.KEY_FLASH_MODE, flashMode, 1074 CameraSettings.KEY_WHITE_BALANCE, whiteBalance, 1075 CameraSettings.KEY_FOCUS_MODE, focusMode); 1076 } 1077 } 1078 1079 private void updateSceneModeUI() { 1080 // If scene mode is set, we cannot set flash mode, white balance, and 1081 // focus mode, instead, we read it from driver 1082 if (!Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 1083 overrideCameraSettings(mParameters.getFlashMode(), 1084 mParameters.getWhiteBalance(), mParameters.getFocusMode()); 1085 } else { 1086 overrideCameraSettings(null, null, null); 1087 } 1088 } 1089 1090 private void loadCameraPreferences() { 1091 CameraSettings settings = new CameraSettings(this, mInitialParams, 1092 mCameraId, CameraHolder.instance().getCameraInfo()); 1093 mPreferenceGroup = settings.getPreferenceGroup(R.xml.camera_preferences); 1094 } 1095 1096 private void initializeIndicatorWheel() { 1097 mIndicatorWheel = (IndicatorWheel) findViewById(R.id.indicator_wheel); 1098 if (mIndicatorWheel == null) return; 1099 loadCameraPreferences(); 1100 1101 String[] keys = new String[]{CameraSettings.KEY_FLASH_MODE, 1102 CameraSettings.KEY_WHITE_BALANCE, 1103 CameraSettings.KEY_COLOR_EFFECT, 1104 CameraSettings.KEY_SCENE_MODE}; 1105 mIndicatorWheel.initialize(this, mPreferenceGroup, keys, true); 1106 mIndicatorWheel.setListener(new MyIndicatorWheelListener()); 1107 mPopupGestureDetector = new GestureDetector(this, 1108 new PopupGestureListener()); 1109 updateSceneModeUI(); 1110 } 1111 1112 private void initializeHeadUpDisplay() { 1113 if (mHeadUpDisplay == null) return; 1114 loadCameraPreferences(); 1115 1116 // If we have zoom picker, do not show zoom control on head-up display. 1117 float[] zoomRatios = null; 1118 if (mZoomPicker == null) zoomRatios = getZoomRatios(); 1119 mHeadUpDisplay.initialize(this, mPreferenceGroup, 1120 zoomRatios, mOrientationCompensation); 1121 if (mZoomPicker == null && mParameters.isZoomSupported()) { 1122 mHeadUpDisplay.setZoomListener(new ZoomControllerListener() { 1123 public void onZoomChanged( 1124 int index, float ratio, boolean isMoving) { 1125 onZoomValueChanged(index); 1126 } 1127 }); 1128 } 1129 updateSceneModeUI(); 1130 } 1131 1132 private void attachHeadUpDisplay() { 1133 mHeadUpDisplay.setOrientation(mOrientationCompensation); 1134 if (mParameters.isZoomSupported()) { 1135 mHeadUpDisplay.setZoomIndex(mZoomValue); 1136 } 1137 ViewGroup frame = (ViewGroup) findViewById(R.id.frame); 1138 mGLRootView = new GLRootView(this); 1139 mGLRootView.setContentPane(mHeadUpDisplay); 1140 frame.addView(mGLRootView); 1141 } 1142 1143 private void detachHeadUpDisplay() { 1144 mHeadUpDisplay.setGpsHasSignal(false); 1145 mHeadUpDisplay.collapse(); 1146 ((ViewGroup) mGLRootView.getParent()).removeView(mGLRootView); 1147 mGLRootView = null; 1148 } 1149 1150 private boolean collapseCameraControls() { 1151 if (mHeadUpDisplay != null && mHeadUpDisplay.collapse()) { 1152 return true; 1153 } 1154 if (mIndicatorWheel != null && mIndicatorWheel.dismissSettingPopup()) { 1155 return true; 1156 } 1157 return false; 1158 } 1159 1160 private void enableCameraControls(boolean enable) { 1161 if (mHeadUpDisplay != null) mHeadUpDisplay.setEnabled(enable); 1162 if (mIndicatorWheel != null) mIndicatorWheel.setEnabled(enable); 1163 if (mCameraPicker != null) mCameraPicker.setEnabled(enable); 1164 if (mZoomPicker != null) mZoomPicker.setEnabled(enable); 1165 if (mSwitcher != null) mSwitcher.setEnabled(enable); 1166 } 1167 1168 public static int roundOrientation(int orientation) { 1169 return ((orientation + 45) / 90 * 90) % 360; 1170 } 1171 1172 private class MyOrientationEventListener 1173 extends OrientationEventListener { 1174 public MyOrientationEventListener(Context context) { 1175 super(context); 1176 } 1177 1178 @Override 1179 public void onOrientationChanged(int orientation) { 1180 // We keep the last known orientation. So if the user first orient 1181 // the camera then point the camera to floor or sky, we still have 1182 // the correct orientation. 1183 if (orientation == ORIENTATION_UNKNOWN) return; 1184 mOrientation = roundOrientation(orientation); 1185 // When the screen is unlocked, display rotation may change. Always 1186 // calculate the up-to-date orientationCompensation. 1187 int orientationCompensation = mOrientation 1188 + Util.getDisplayRotation(Camera.this); 1189 if (mOrientationCompensation != orientationCompensation) { 1190 mOrientationCompensation = orientationCompensation; 1191 if (!mIsImageCaptureIntent) { 1192 setOrientationIndicator(mOrientationCompensation); 1193 } 1194 if (mHeadUpDisplay != null) { 1195 mHeadUpDisplay.setOrientation(mOrientationCompensation); 1196 } 1197 } 1198 } 1199 } 1200 1201 private void setOrientationIndicator(int degree) { 1202 RotateImageView icon = (RotateImageView) findViewById( 1203 R.id.review_thumbnail); 1204 if (icon != null) icon.setDegree(degree); 1205 1206 icon = (RotateImageView) findViewById(R.id.camera_switch_icon); 1207 if (icon != null) icon.setDegree(degree); 1208 icon = (RotateImageView) findViewById(R.id.video_switch_icon); 1209 if (icon != null) icon.setDegree(degree); 1210 } 1211 1212 @Override 1213 public void onStart() { 1214 super.onStart(); 1215 if (!mIsImageCaptureIntent) { 1216 mSwitcher.setSwitch(SWITCH_CAMERA); 1217 } 1218 } 1219 1220 @Override 1221 public void onStop() { 1222 super.onStop(); 1223 if (mMediaProviderClient != null) { 1224 mMediaProviderClient.release(); 1225 mMediaProviderClient = null; 1226 } 1227 } 1228 1229 private void checkStorage() { 1230 mPicturesRemaining = Storage.getAvailableSpace(); 1231 if (mPicturesRemaining > 0) { 1232 mPicturesRemaining /= 1500000; 1233 } 1234 updateStorageHint(); 1235 } 1236 1237 public void onClick(View v) { 1238 switch (v.getId()) { 1239 case R.id.btn_retake: 1240 hidePostCaptureAlert(); 1241 restartPreview(); 1242 break; 1243 case R.id.review_thumbnail: 1244 if (isCameraIdle()) { 1245 viewImage(mThumbnailButton); 1246 } 1247 break; 1248 case R.id.btn_done: 1249 doAttach(); 1250 break; 1251 case R.id.btn_cancel: 1252 doCancel(); 1253 break; 1254 case R.id.btn_gallery: 1255 gotoGallery(); 1256 break; 1257 } 1258 } 1259 1260 private void doAttach() { 1261 if (mPausing) { 1262 return; 1263 } 1264 1265 byte[] data = mJpegImageData; 1266 1267 if (mCropValue == null) { 1268 // First handle the no crop case -- just return the value. If the 1269 // caller specifies a "save uri" then write the data to it's 1270 // stream. Otherwise, pass back a scaled down version of the bitmap 1271 // directly in the extras. 1272 if (mSaveUri != null) { 1273 OutputStream outputStream = null; 1274 try { 1275 outputStream = mContentResolver.openOutputStream(mSaveUri); 1276 outputStream.write(data); 1277 outputStream.close(); 1278 1279 setResult(RESULT_OK); 1280 finish(); 1281 } catch (IOException ex) { 1282 // ignore exception 1283 } finally { 1284 Util.closeSilently(outputStream); 1285 } 1286 } else { 1287 int orientation = Exif.getOrientation(data); 1288 Bitmap bitmap = Util.makeBitmap(data, 50 * 1024); 1289 bitmap = Util.rotate(bitmap, orientation); 1290 setResult(RESULT_OK, 1291 new Intent("inline-data").putExtra("data", bitmap)); 1292 finish(); 1293 } 1294 } else { 1295 // Save the image to a temp file and invoke the cropper 1296 Uri tempUri = null; 1297 FileOutputStream tempStream = null; 1298 try { 1299 File path = getFileStreamPath(sTempCropFilename); 1300 path.delete(); 1301 tempStream = openFileOutput(sTempCropFilename, 0); 1302 tempStream.write(data); 1303 tempStream.close(); 1304 tempUri = Uri.fromFile(path); 1305 } catch (FileNotFoundException ex) { 1306 setResult(Activity.RESULT_CANCELED); 1307 finish(); 1308 return; 1309 } catch (IOException ex) { 1310 setResult(Activity.RESULT_CANCELED); 1311 finish(); 1312 return; 1313 } finally { 1314 Util.closeSilently(tempStream); 1315 } 1316 1317 Bundle newExtras = new Bundle(); 1318 if (mCropValue.equals("circle")) { 1319 newExtras.putString("circleCrop", "true"); 1320 } 1321 if (mSaveUri != null) { 1322 newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, mSaveUri); 1323 } else { 1324 newExtras.putBoolean("return-data", true); 1325 } 1326 1327 Intent cropIntent = new Intent("com.android.camera.action.CROP"); 1328 1329 cropIntent.setData(tempUri); 1330 cropIntent.putExtras(newExtras); 1331 1332 startActivityForResult(cropIntent, CROP_MSG); 1333 } 1334 } 1335 1336 private void doCancel() { 1337 setResult(RESULT_CANCELED, new Intent()); 1338 finish(); 1339 } 1340 1341 public void onShutterButtonFocus(ShutterButton button, boolean pressed) { 1342 if (mPausing) { 1343 return; 1344 } 1345 switch (button.getId()) { 1346 case R.id.shutter_button: 1347 doFocus(pressed); 1348 break; 1349 } 1350 } 1351 1352 public void onShutterButtonClick(ShutterButton button) { 1353 if (mPausing) { 1354 return; 1355 } 1356 switch (button.getId()) { 1357 case R.id.shutter_button: 1358 doSnap(); 1359 break; 1360 } 1361 } 1362 1363 private OnScreenHint mStorageHint; 1364 1365 private void updateStorageHint() { 1366 String noStorageText = null; 1367 1368 if (mPicturesRemaining == Storage.UNAVAILABLE) { 1369 noStorageText = getString(R.string.no_storage); 1370 } else if (mPicturesRemaining == Storage.PREPARING) { 1371 noStorageText = getString(R.string.preparing_sd); 1372 } else if (mPicturesRemaining == Storage.UNKNOWN_SIZE) { 1373 noStorageText = getString(R.string.access_sd_fail); 1374 } else if (mPicturesRemaining < 1L) { 1375 noStorageText = getString(R.string.not_enough_space); 1376 } 1377 1378 if (noStorageText != null) { 1379 if (mStorageHint == null) { 1380 mStorageHint = OnScreenHint.makeText(this, noStorageText); 1381 } else { 1382 mStorageHint.setText(noStorageText); 1383 } 1384 mStorageHint.show(); 1385 } else if (mStorageHint != null) { 1386 mStorageHint.cancel(); 1387 mStorageHint = null; 1388 } 1389 } 1390 1391 private void installIntentFilter() { 1392 // install an intent filter to receive SD card related events. 1393 IntentFilter intentFilter = 1394 new IntentFilter(Intent.ACTION_MEDIA_MOUNTED); 1395 intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED); 1396 intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); 1397 intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING); 1398 intentFilter.addDataScheme("file"); 1399 registerReceiver(mReceiver, intentFilter); 1400 mDidRegister = true; 1401 } 1402 1403 private void initializeFocusTone() { 1404 // Initialize focus tone generator. 1405 try { 1406 mFocusToneGenerator = new ToneGenerator( 1407 AudioManager.STREAM_SYSTEM, FOCUS_BEEP_VOLUME); 1408 } catch (Throwable ex) { 1409 Log.w(TAG, "Exception caught while creating tone generator: ", ex); 1410 mFocusToneGenerator = null; 1411 } 1412 } 1413 1414 private void initializeScreenBrightness() { 1415 Window win = getWindow(); 1416 // Overright the brightness settings if it is automatic 1417 int mode = Settings.System.getInt( 1418 getContentResolver(), 1419 Settings.System.SCREEN_BRIGHTNESS_MODE, 1420 Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL); 1421 if (mode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC) { 1422 WindowManager.LayoutParams winParams = win.getAttributes(); 1423 winParams.screenBrightness = DEFAULT_CAMERA_BRIGHTNESS; 1424 win.setAttributes(winParams); 1425 } 1426 } 1427 1428 @Override 1429 protected void onResume() { 1430 super.onResume(); 1431 1432 mPausing = false; 1433 mJpegPictureCallbackTime = 0; 1434 mZoomValue = 0; 1435 1436 // Start the preview if it is not started. 1437 if (!mPreviewing && !mStartPreviewFail) { 1438 resetExposureCompensation(); 1439 if (!restartPreview()) return; 1440 } 1441 1442 if (mSurfaceHolder != null) { 1443 // If first time initialization is not finished, put it in the 1444 // message queue. 1445 if (!mFirstTimeInitialized) { 1446 mHandler.sendEmptyMessage(FIRST_TIME_INIT); 1447 } else { 1448 initializeSecondTime(); 1449 } 1450 } 1451 keepScreenOnAwhile(); 1452 1453 if (mPreviewing) { 1454 mOnResumeTime = SystemClock.uptimeMillis(); 1455 mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100); 1456 } 1457 } 1458 1459 @Override 1460 public void onConfigurationChanged(Configuration config) { 1461 super.onConfigurationChanged(config); 1462 changeHeadUpDisplayState(); 1463 } 1464 1465 @Override 1466 protected void onPause() { 1467 mPausing = true; 1468 stopPreview(); 1469 // Close the camera now because other activities may need to use it. 1470 closeCamera(); 1471 resetScreenOn(); 1472 collapseCameraControls(); 1473 changeHeadUpDisplayState(); 1474 1475 if (mFirstTimeInitialized) { 1476 mOrientationListener.disable(); 1477 if (!mIsImageCaptureIntent) { 1478 if (mThumbnailButton != null) { 1479 mThumbnailButton.storeData(LAST_THUMB_PATH); 1480 } 1481 } 1482 hidePostCaptureAlert(); 1483 } 1484 1485 if (mDidRegister) { 1486 unregisterReceiver(mReceiver); 1487 mDidRegister = false; 1488 } 1489 stopReceivingLocationUpdates(); 1490 1491 if (mFocusToneGenerator != null) { 1492 mFocusToneGenerator.release(); 1493 mFocusToneGenerator = null; 1494 } 1495 1496 if (mStorageHint != null) { 1497 mStorageHint.cancel(); 1498 mStorageHint = null; 1499 } 1500 1501 // If we are in an image capture intent and has taken 1502 // a picture, we just clear it in onPause. 1503 mJpegImageData = null; 1504 1505 // Remove the messages in the event queue. 1506 mHandler.removeMessages(RESTART_PREVIEW); 1507 mHandler.removeMessages(FIRST_TIME_INIT); 1508 mHandler.removeMessages(CHECK_DISPLAY_ROTATION); 1509 1510 super.onPause(); 1511 } 1512 1513 @Override 1514 protected void onActivityResult( 1515 int requestCode, int resultCode, Intent data) { 1516 switch (requestCode) { 1517 case CROP_MSG: { 1518 Intent intent = new Intent(); 1519 if (data != null) { 1520 Bundle extras = data.getExtras(); 1521 if (extras != null) { 1522 intent.putExtras(extras); 1523 } 1524 } 1525 setResult(resultCode, intent); 1526 finish(); 1527 1528 File path = getFileStreamPath(sTempCropFilename); 1529 path.delete(); 1530 1531 break; 1532 } 1533 } 1534 } 1535 1536 private boolean canTakePicture() { 1537 return isCameraIdle() && mPreviewing && (mPicturesRemaining > 0); 1538 } 1539 1540 private void autoFocus() { 1541 // Initiate autofocus only when preview is started and snapshot is not 1542 // in progress. 1543 if (canTakePicture()) { 1544 enableCameraControls(false); 1545 Log.v(TAG, "Start autofocus."); 1546 mFocusStartTime = System.currentTimeMillis(); 1547 mFocusState = FOCUSING; 1548 updateFocusIndicator(); 1549 mCameraDevice.autoFocus(mAutoFocusCallback); 1550 } 1551 } 1552 1553 private void cancelAutoFocus() { 1554 // User releases half-pressed focus key. 1555 if (mStatus != SNAPSHOT_IN_PROGRESS && (mFocusState == FOCUSING 1556 || mFocusState == FOCUS_SUCCESS || mFocusState == FOCUS_FAIL)) { 1557 Log.v(TAG, "Cancel autofocus."); 1558 enableCameraControls(true); 1559 mCameraDevice.cancelAutoFocus(); 1560 } 1561 if (mFocusState != FOCUSING_SNAP_ON_FINISH) { 1562 clearFocusState(); 1563 } 1564 } 1565 1566 private void clearFocusState() { 1567 mFocusState = FOCUS_NOT_STARTED; 1568 updateFocusIndicator(); 1569 } 1570 1571 private void updateFocusIndicator() { 1572 if (mFocusRectangle == null) return; 1573 1574 if (mFocusState == FOCUSING || mFocusState == FOCUSING_SNAP_ON_FINISH) { 1575 mFocusRectangle.showStart(); 1576 } else if (mFocusState == FOCUS_SUCCESS) { 1577 mFocusRectangle.showSuccess(); 1578 } else if (mFocusState == FOCUS_FAIL) { 1579 mFocusRectangle.showFail(); 1580 } else { 1581 mFocusRectangle.clear(); 1582 } 1583 } 1584 1585 @Override 1586 public void onBackPressed() { 1587 if (!isCameraIdle()) { 1588 // ignore backs while we're taking a picture 1589 return; 1590 } else if (!collapseCameraControls()) { 1591 super.onBackPressed(); 1592 } 1593 } 1594 1595 @Override 1596 public boolean onKeyDown(int keyCode, KeyEvent event) { 1597 switch (keyCode) { 1598 case KeyEvent.KEYCODE_FOCUS: 1599 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1600 doFocus(true); 1601 } 1602 return true; 1603 case KeyEvent.KEYCODE_CAMERA: 1604 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1605 doSnap(); 1606 } 1607 return true; 1608 case KeyEvent.KEYCODE_DPAD_CENTER: 1609 // If we get a dpad center event without any focused view, move 1610 // the focus to the shutter button and press it. 1611 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1612 // Start auto-focus immediately to reduce shutter lag. After 1613 // the shutter button gets the focus, doFocus() will be 1614 // called again but it is fine. 1615 if (collapseCameraControls()) return true; 1616 doFocus(true); 1617 if (mShutterButton.isInTouchMode()) { 1618 mShutterButton.requestFocusFromTouch(); 1619 } else { 1620 mShutterButton.requestFocus(); 1621 } 1622 mShutterButton.setPressed(true); 1623 } 1624 return true; 1625 } 1626 1627 return super.onKeyDown(keyCode, event); 1628 } 1629 1630 @Override 1631 public boolean onKeyUp(int keyCode, KeyEvent event) { 1632 switch (keyCode) { 1633 case KeyEvent.KEYCODE_FOCUS: 1634 if (mFirstTimeInitialized) { 1635 doFocus(false); 1636 } 1637 return true; 1638 } 1639 return super.onKeyUp(keyCode, event); 1640 } 1641 1642 private void doSnap() { 1643 if (collapseCameraControls()) return; 1644 1645 Log.v(TAG, "doSnap: mFocusState=" + mFocusState); 1646 // If the user has half-pressed the shutter and focus is completed, we 1647 // can take the photo right away. If the focus mode is infinity, we can 1648 // also take the photo. 1649 if (mFocusMode.equals(Parameters.FOCUS_MODE_INFINITY) 1650 || mFocusMode.equals(Parameters.FOCUS_MODE_FIXED) 1651 || mFocusMode.equals(Parameters.FOCUS_MODE_EDOF) 1652 || (mFocusState == FOCUS_SUCCESS 1653 || mFocusState == FOCUS_FAIL)) { 1654 capture(); 1655 } else if (mFocusState == FOCUSING) { 1656 // Half pressing the shutter (i.e. the focus button event) will 1657 // already have requested AF for us, so just request capture on 1658 // focus here. 1659 mFocusState = FOCUSING_SNAP_ON_FINISH; 1660 } else if (mFocusState == FOCUS_NOT_STARTED) { 1661 // Focus key down event is dropped for some reasons. Just ignore. 1662 } 1663 } 1664 1665 private void doFocus(boolean pressed) { 1666 // Do the focus if the mode is not infinity. 1667 if (collapseCameraControls()) return; 1668 if (!(mFocusMode.equals(Parameters.FOCUS_MODE_INFINITY) 1669 || mFocusMode.equals(Parameters.FOCUS_MODE_FIXED) 1670 || mFocusMode.equals(Parameters.FOCUS_MODE_EDOF))) { 1671 if (pressed) { // Focus key down. 1672 autoFocus(); 1673 } else { // Focus key up. 1674 cancelAutoFocus(); 1675 } 1676 } 1677 } 1678 1679 public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { 1680 // Make sure we have a surface in the holder before proceeding. 1681 if (holder.getSurface() == null) { 1682 Log.d(TAG, "holder.getSurface() == null"); 1683 return; 1684 } 1685 1686 Log.v(TAG, "surfaceChanged. w=" + w + ". h=" + h); 1687 1688 // We need to save the holder for later use, even when the mCameraDevice 1689 // is null. This could happen if onResume() is invoked after this 1690 // function. 1691 mSurfaceHolder = holder; 1692 1693 // The mCameraDevice will be null if it fails to connect to the camera 1694 // hardware. In this case we will show a dialog and then finish the 1695 // activity, so it's OK to ignore it. 1696 if (mCameraDevice == null) return; 1697 1698 // Sometimes surfaceChanged is called after onPause or before onResume. 1699 // Ignore it. 1700 if (mPausing || isFinishing()) return; 1701 1702 // Set preview display if the surface is being created. Preview was 1703 // already started. Also restart the preview if display rotation has 1704 // changed. Sometimes this happens when the device is held in portrait 1705 // and camera app is opened. Rotation animation takes some time and 1706 // display rotation in onCreate may not be what we want. 1707 if (mPreviewing && (Util.getDisplayRotation(this) == mDisplayRotation) 1708 && holder.isCreating()) { 1709 // Set preview display if the surface is being created and preview 1710 // was already started. That means preview display was set to null 1711 // and we need to set it now. 1712 setPreviewDisplay(holder); 1713 } else { 1714 // 1. Restart the preview if the size of surface was changed. The 1715 // framework may not support changing preview display on the fly. 1716 // 2. Start the preview now if surface was destroyed and preview 1717 // stopped. 1718 restartPreview(); 1719 } 1720 1721 // If first time initialization is not finished, send a message to do 1722 // it later. We want to finish surfaceChanged as soon as possible to let 1723 // user see preview first. 1724 if (!mFirstTimeInitialized) { 1725 mHandler.sendEmptyMessage(FIRST_TIME_INIT); 1726 } else { 1727 initializeSecondTime(); 1728 } 1729 } 1730 1731 public void surfaceCreated(SurfaceHolder holder) { 1732 } 1733 1734 public void surfaceDestroyed(SurfaceHolder holder) { 1735 stopPreview(); 1736 mSurfaceHolder = null; 1737 } 1738 1739 private void closeCamera() { 1740 if (mCameraDevice != null) { 1741 CameraHolder.instance().release(); 1742 mCameraDevice.setZoomChangeListener(null); 1743 mCameraDevice = null; 1744 mPreviewing = false; 1745 } 1746 } 1747 1748 private void ensureCameraDevice() throws CameraHardwareException { 1749 if (mCameraDevice == null) { 1750 mCameraDevice = CameraHolder.instance().open(mCameraId); 1751 mInitialParams = mCameraDevice.getParameters(); 1752 } 1753 } 1754 1755 private void showCameraErrorAndFinish() { 1756 Resources ress = getResources(); 1757 Util.showFatalErrorAndFinish(Camera.this, 1758 ress.getString(R.string.camera_error_title), 1759 ress.getString(R.string.cannot_connect_camera)); 1760 } 1761 1762 private boolean restartPreview() { 1763 try { 1764 startPreview(); 1765 } catch (CameraHardwareException e) { 1766 showCameraErrorAndFinish(); 1767 return false; 1768 } 1769 return true; 1770 } 1771 1772 private void setPreviewDisplay(SurfaceHolder holder) { 1773 try { 1774 mCameraDevice.setPreviewDisplay(holder); 1775 } catch (Throwable ex) { 1776 closeCamera(); 1777 throw new RuntimeException("setPreviewDisplay failed", ex); 1778 } 1779 } 1780 1781 private void startPreview() throws CameraHardwareException { 1782 if (mPausing || isFinishing()) return; 1783 1784 ensureCameraDevice(); 1785 mCameraDevice.setErrorCallback(mErrorCallback); 1786 1787 // If we're previewing already, stop the preview first (this will blank 1788 // the screen). 1789 if (mPreviewing) stopPreview(); 1790 1791 setPreviewDisplay(mSurfaceHolder); 1792 mDisplayRotation = Util.getDisplayRotation(this); 1793 Util.setCameraDisplayOrientation(mDisplayRotation, mCameraId, mCameraDevice); 1794 setCameraParameters(UPDATE_PARAM_ALL); 1795 1796 1797 try { 1798 Log.v(TAG, "startPreview"); 1799 mCameraDevice.startPreview(); 1800 } catch (Throwable ex) { 1801 closeCamera(); 1802 throw new RuntimeException("startPreview failed", ex); 1803 } 1804 mPreviewing = true; 1805 mZoomState = ZOOM_STOPPED; 1806 mStatus = IDLE; 1807 } 1808 1809 private void stopPreview() { 1810 if (mCameraDevice != null && mPreviewing) { 1811 Log.v(TAG, "stopPreview"); 1812 mCameraDevice.stopPreview(); 1813 } 1814 mPreviewing = false; 1815 // If auto focus was in progress, it would have been canceled. 1816 clearFocusState(); 1817 } 1818 1819 private static boolean isSupported(String value, List<String> supported) { 1820 return supported == null ? false : supported.indexOf(value) >= 0; 1821 } 1822 1823 private void updateCameraParametersInitialize() { 1824 // Reset preview frame rate to the maximum because it may be lowered by 1825 // video camera application. 1826 List<Integer> frameRates = mParameters.getSupportedPreviewFrameRates(); 1827 if (frameRates != null) { 1828 Integer max = Collections.max(frameRates); 1829 mParameters.setPreviewFrameRate(max); 1830 } 1831 1832 } 1833 1834 private void updateCameraParametersZoom() { 1835 // Set zoom. 1836 if (mParameters.isZoomSupported()) { 1837 mParameters.setZoom(mZoomValue); 1838 } 1839 } 1840 1841 private void updateCameraParametersPreference() { 1842 // Set picture size. 1843 String pictureSize = mPreferences.getString( 1844 CameraSettings.KEY_PICTURE_SIZE, null); 1845 if (pictureSize == null) { 1846 CameraSettings.initialCameraPictureSize(this, mParameters); 1847 } else { 1848 List<Size> supported = mParameters.getSupportedPictureSizes(); 1849 CameraSettings.setCameraPictureSize( 1850 pictureSize, supported, mParameters); 1851 } 1852 1853 // Set the preview frame aspect ratio according to the picture size. 1854 Size size = mParameters.getPictureSize(); 1855 PreviewFrameLayout frameLayout = 1856 (PreviewFrameLayout) findViewById(R.id.frame_layout); 1857 frameLayout.setAspectRatio((double) size.width / size.height); 1858 1859 // Set a preview size that is closest to the viewfinder height and has 1860 // the right aspect ratio. 1861 List<Size> sizes = mParameters.getSupportedPreviewSizes(); 1862 Size optimalSize = Util.getOptimalPreviewSize(this, 1863 sizes, (double) size.width / size.height); 1864 Size original = mParameters.getPreviewSize(); 1865 if (!original.equals(optimalSize)) { 1866 mParameters.setPreviewSize(optimalSize.width, optimalSize.height); 1867 1868 // Zoom related settings will be changed for different preview 1869 // sizes, so set and read the parameters to get lastest values 1870 mCameraDevice.setParameters(mParameters); 1871 mParameters = mCameraDevice.getParameters(); 1872 } 1873 Log.v(TAG, "Preview size is " + optimalSize.width + "x" + optimalSize.height); 1874 1875 // Since change scene mode may change supported values, 1876 // Set scene mode first, 1877 mSceneMode = mPreferences.getString( 1878 CameraSettings.KEY_SCENE_MODE, 1879 getString(R.string.pref_camera_scenemode_default)); 1880 if (isSupported(mSceneMode, mParameters.getSupportedSceneModes())) { 1881 if (!mParameters.getSceneMode().equals(mSceneMode)) { 1882 mParameters.setSceneMode(mSceneMode); 1883 mCameraDevice.setParameters(mParameters); 1884 1885 // Setting scene mode will change the settings of flash mode, 1886 // white balance, and focus mode. Here we read back the 1887 // parameters, so we can know those settings. 1888 mParameters = mCameraDevice.getParameters(); 1889 } 1890 } else { 1891 mSceneMode = mParameters.getSceneMode(); 1892 if (mSceneMode == null) { 1893 mSceneMode = Parameters.SCENE_MODE_AUTO; 1894 } 1895 } 1896 1897 // Set JPEG quality. 1898 String jpegQuality = mPreferences.getString( 1899 CameraSettings.KEY_JPEG_QUALITY, 1900 getString(R.string.pref_camera_jpegquality_default)); 1901 mParameters.setJpegQuality(JpegEncodingQualityMappings.getQualityNumber(jpegQuality)); 1902 1903 // For the following settings, we need to check if the settings are 1904 // still supported by latest driver, if not, ignore the settings. 1905 1906 // Set color effect parameter. 1907 String colorEffect = mPreferences.getString( 1908 CameraSettings.KEY_COLOR_EFFECT, 1909 getString(R.string.pref_camera_coloreffect_default)); 1910 if (isSupported(colorEffect, mParameters.getSupportedColorEffects())) { 1911 mParameters.setColorEffect(colorEffect); 1912 } 1913 1914 // Set exposure compensation 1915 String exposure = mPreferences.getString( 1916 CameraSettings.KEY_EXPOSURE, 1917 getString(R.string.pref_exposure_default)); 1918 try { 1919 int value = Integer.parseInt(exposure); 1920 int max = mParameters.getMaxExposureCompensation(); 1921 int min = mParameters.getMinExposureCompensation(); 1922 if (value >= min && value <= max) { 1923 mParameters.setExposureCompensation(value); 1924 } else { 1925 Log.w(TAG, "invalid exposure range: " + exposure); 1926 } 1927 } catch (NumberFormatException e) { 1928 Log.w(TAG, "invalid exposure: " + exposure); 1929 } 1930 1931 if (Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 1932 // Set flash mode. 1933 String flashMode = mPreferences.getString( 1934 CameraSettings.KEY_FLASH_MODE, 1935 getString(R.string.pref_camera_flashmode_default)); 1936 List<String> supportedFlash = mParameters.getSupportedFlashModes(); 1937 if (isSupported(flashMode, supportedFlash)) { 1938 mParameters.setFlashMode(flashMode); 1939 } else { 1940 flashMode = mParameters.getFlashMode(); 1941 if (flashMode == null) { 1942 flashMode = getString( 1943 R.string.pref_camera_flashmode_no_flash); 1944 } 1945 } 1946 1947 // Set white balance parameter. 1948 String whiteBalance = mPreferences.getString( 1949 CameraSettings.KEY_WHITE_BALANCE, 1950 getString(R.string.pref_camera_whitebalance_default)); 1951 if (isSupported(whiteBalance, 1952 mParameters.getSupportedWhiteBalance())) { 1953 mParameters.setWhiteBalance(whiteBalance); 1954 } else { 1955 whiteBalance = mParameters.getWhiteBalance(); 1956 if (whiteBalance == null) { 1957 whiteBalance = Parameters.WHITE_BALANCE_AUTO; 1958 } 1959 } 1960 1961 // Set focus mode. 1962 mFocusMode = mPreferences.getString( 1963 CameraSettings.KEY_FOCUS_MODE, 1964 getString(R.string.pref_camera_focusmode_default)); 1965 if (isSupported(mFocusMode, mParameters.getSupportedFocusModes())) { 1966 mParameters.setFocusMode(mFocusMode); 1967 } else { 1968 mFocusMode = mParameters.getFocusMode(); 1969 if (mFocusMode == null) { 1970 mFocusMode = Parameters.FOCUS_MODE_AUTO; 1971 } 1972 } 1973 } else { 1974 mFocusMode = mParameters.getFocusMode(); 1975 } 1976 } 1977 1978 // We separate the parameters into several subsets, so we can update only 1979 // the subsets actually need updating. The PREFERENCE set needs extra 1980 // locking because the preference can be changed from GLThread as well. 1981 private void setCameraParameters(int updateSet) { 1982 mParameters = mCameraDevice.getParameters(); 1983 1984 if ((updateSet & UPDATE_PARAM_INITIALIZE) != 0) { 1985 updateCameraParametersInitialize(); 1986 } 1987 1988 if ((updateSet & UPDATE_PARAM_ZOOM) != 0) { 1989 updateCameraParametersZoom(); 1990 } 1991 1992 if ((updateSet & UPDATE_PARAM_PREFERENCE) != 0) { 1993 updateCameraParametersPreference(); 1994 } 1995 1996 mCameraDevice.setParameters(mParameters); 1997 } 1998 1999 // If the Camera is idle, update the parameters immediately, otherwise 2000 // accumulate them in mUpdateSet and update later. 2001 private void setCameraParametersWhenIdle(int additionalUpdateSet) { 2002 mUpdateSet |= additionalUpdateSet; 2003 if (mCameraDevice == null) { 2004 // We will update all the parameters when we open the device, so 2005 // we don't need to do anything now. 2006 mUpdateSet = 0; 2007 return; 2008 } else if (isCameraIdle()) { 2009 setCameraParameters(mUpdateSet); 2010 updateSceneModeUI(); 2011 mUpdateSet = 0; 2012 } else { 2013 if (!mHandler.hasMessages(SET_CAMERA_PARAMETERS_WHEN_IDLE)) { 2014 mHandler.sendEmptyMessageDelayed( 2015 SET_CAMERA_PARAMETERS_WHEN_IDLE, 1000); 2016 } 2017 } 2018 } 2019 2020 private void gotoGallery() { 2021 MenuHelper.gotoCameraImageGallery(this); 2022 } 2023 2024 private void viewImage(RotateImageView view) { 2025 if(!view.isUriValid()) { 2026 Log.e(TAG, "Uri invalid. uri=" + view.getUri()); 2027 return; 2028 } 2029 2030 try { 2031 startActivity(new Intent( 2032 Util.REVIEW_ACTION, view.getUri())); 2033 } catch (ActivityNotFoundException ex) { 2034 try { 2035 startActivity(new Intent( 2036 Intent.ACTION_VIEW, view.getUri())); 2037 } catch (ActivityNotFoundException e) { 2038 Log.e(TAG, "review image fail. uri=" + view.getUri(), e); 2039 } 2040 } 2041 } 2042 2043 private void startReceivingLocationUpdates() { 2044 if (mLocationManager != null) { 2045 try { 2046 mLocationManager.requestLocationUpdates( 2047 LocationManager.NETWORK_PROVIDER, 2048 1000, 2049 0F, 2050 mLocationListeners[1]); 2051 } catch (java.lang.SecurityException ex) { 2052 Log.i(TAG, "fail to request location update, ignore", ex); 2053 } catch (IllegalArgumentException ex) { 2054 Log.d(TAG, "provider does not exist " + ex.getMessage()); 2055 } 2056 try { 2057 mLocationManager.requestLocationUpdates( 2058 LocationManager.GPS_PROVIDER, 2059 1000, 2060 0F, 2061 mLocationListeners[0]); 2062 showGpsOnScreenIndicator(false); 2063 } catch (java.lang.SecurityException ex) { 2064 Log.i(TAG, "fail to request location update, ignore", ex); 2065 } catch (IllegalArgumentException ex) { 2066 Log.d(TAG, "provider does not exist " + ex.getMessage()); 2067 } 2068 Log.d(TAG, "startReceivingLocationUpdates"); 2069 } 2070 } 2071 2072 private void stopReceivingLocationUpdates() { 2073 if (mLocationManager != null) { 2074 for (int i = 0; i < mLocationListeners.length; i++) { 2075 try { 2076 mLocationManager.removeUpdates(mLocationListeners[i]); 2077 } catch (Exception ex) { 2078 Log.i(TAG, "fail to remove location listners, ignore", ex); 2079 } 2080 } 2081 Log.d(TAG, "stopReceivingLocationUpdates"); 2082 } 2083 hideGpsOnScreenIndicator(); 2084 } 2085 2086 private Location getCurrentLocation() { 2087 // go in best to worst order 2088 for (int i = 0; i < mLocationListeners.length; i++) { 2089 Location l = mLocationListeners[i].current(); 2090 if (l != null) return l; 2091 } 2092 Log.d(TAG, "No location received yet."); 2093 return null; 2094 } 2095 2096 private boolean isCameraIdle() { 2097 return mStatus == IDLE && mFocusState == FOCUS_NOT_STARTED; 2098 } 2099 2100 private boolean isImageCaptureIntent() { 2101 String action = getIntent().getAction(); 2102 return (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)); 2103 } 2104 2105 private void setupCaptureParams() { 2106 Bundle myExtras = getIntent().getExtras(); 2107 if (myExtras != null) { 2108 mSaveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 2109 mCropValue = myExtras.getString("crop"); 2110 } 2111 } 2112 2113 private void showPostCaptureAlert() { 2114 if (mIsImageCaptureIntent) { 2115 if (mIndicatorWheel == null) { 2116 mShutterButton.setVisibility(View.INVISIBLE); 2117 } else { 2118 mShutterButton.setEnabled(false); 2119 } 2120 int[] pickIds = {R.id.btn_retake, R.id.btn_done}; 2121 for (int id : pickIds) { 2122 View button = findViewById(id); 2123 ((View) button.getParent()).setVisibility(View.VISIBLE); 2124 } 2125 2126 // Remove the text of the cancel button 2127 View view = findViewById(R.id.btn_cancel); 2128 if (view instanceof Button) ((Button) view).setText(""); 2129 } 2130 } 2131 2132 private void hidePostCaptureAlert() { 2133 if (mIsImageCaptureIntent) { 2134 if (mIndicatorWheel == null) { 2135 mShutterButton.setVisibility(View.VISIBLE); 2136 } else { 2137 mShutterButton.setEnabled(true); 2138 } 2139 int[] pickIds = {R.id.btn_retake, R.id.btn_done}; 2140 for (int id : pickIds) { 2141 View button = findViewById(id); 2142 ((View) button.getParent()).setVisibility(View.GONE); 2143 } 2144 enableCameraControls(true); 2145 2146 // Restore the text of the cancel button 2147 View view = findViewById(R.id.btn_cancel); 2148 if (view instanceof Button) { 2149 ((Button) view).setText(R.string.review_cancel); 2150 } 2151 } 2152 } 2153 2154 @Override 2155 public boolean onPrepareOptionsMenu(Menu menu) { 2156 super.onPrepareOptionsMenu(menu); 2157 // Only show the menu when camera is idle. 2158 for (int i = 0; i < menu.size(); i++) { 2159 menu.getItem(i).setVisible(isCameraIdle()); 2160 } 2161 2162 return true; 2163 } 2164 2165 @Override 2166 public boolean onCreateOptionsMenu(Menu menu) { 2167 super.onCreateOptionsMenu(menu); 2168 2169 if (mIsImageCaptureIntent) { 2170 // No options menu for attach mode. 2171 return false; 2172 } else { 2173 addBaseMenuItems(menu); 2174 } 2175 return true; 2176 } 2177 2178 private void addBaseMenuItems(Menu menu) { 2179 MenuHelper.addSwitchModeMenuItem(menu, true, new Runnable() { 2180 public void run() { 2181 switchToVideoMode(); 2182 } 2183 }); 2184 MenuItem gallery = menu.add(Menu.NONE, Menu.NONE, 2185 MenuHelper.POSITION_GOTO_GALLERY, 2186 R.string.camera_gallery_photos_text) 2187 .setOnMenuItemClickListener(new OnMenuItemClickListener() { 2188 public boolean onMenuItemClick(MenuItem item) { 2189 gotoGallery(); 2190 return true; 2191 } 2192 }); 2193 gallery.setIcon(android.R.drawable.ic_menu_gallery); 2194 mGalleryItems.add(gallery); 2195 2196 if (mNumberOfCameras > 1) { 2197 menu.add(Menu.NONE, Menu.NONE, 2198 MenuHelper.POSITION_SWITCH_CAMERA_ID, 2199 R.string.switch_camera_id) 2200 .setOnMenuItemClickListener(new OnMenuItemClickListener() { 2201 public boolean onMenuItemClick(MenuItem item) { 2202 CameraSettings.writePreferredCameraId(mPreferences, 2203 ((mCameraId == mFrontCameraId) 2204 ? mBackCameraId : mFrontCameraId)); 2205 onSharedPreferenceChanged(); 2206 return true; 2207 } 2208 }).setIcon(android.R.drawable.ic_menu_camera); 2209 } 2210 } 2211 2212 private boolean switchToVideoMode() { 2213 if (isFinishing() || !isCameraIdle()) return false; 2214 MenuHelper.gotoVideoMode(Camera.this); 2215 mHandler.removeMessages(FIRST_TIME_INIT); 2216 finish(); 2217 return true; 2218 } 2219 2220 public boolean onSwitchChanged(Switcher source, boolean onOff) { 2221 if (onOff == SWITCH_VIDEO) { 2222 return switchToVideoMode(); 2223 } else { 2224 return true; 2225 } 2226 } 2227 2228 private void onSharedPreferenceChanged() { 2229 // ignore the events after "onPause()" 2230 if (mPausing) return; 2231 2232 boolean recordLocation; 2233 2234 recordLocation = RecordLocationPreference.get( 2235 mPreferences, getContentResolver()); 2236 2237 if (mRecordLocation != recordLocation) { 2238 mRecordLocation = recordLocation; 2239 if (mRecordLocation) { 2240 startReceivingLocationUpdates(); 2241 } else { 2242 stopReceivingLocationUpdates(); 2243 } 2244 } 2245 int cameraId = CameraSettings.readPreferredCameraId(mPreferences); 2246 if (mCameraId != cameraId) { 2247 // Restart the activity to have a crossfade animation. 2248 // TODO: Use SurfaceTexture to implement a better and faster 2249 // animation. 2250 if (mIsImageCaptureIntent) { 2251 // If the intent is camera capture, stay in camera capture mode. 2252 MenuHelper.gotoCameraMode(this, getIntent()); 2253 } else { 2254 MenuHelper.gotoCameraMode(this); 2255 } 2256 2257 finish(); 2258 } else { 2259 setCameraParametersWhenIdle(UPDATE_PARAM_PREFERENCE); 2260 } 2261 } 2262 2263 @Override 2264 public void onUserInteraction() { 2265 super.onUserInteraction(); 2266 keepScreenOnAwhile(); 2267 } 2268 2269 private void resetScreenOn() { 2270 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 2271 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2272 } 2273 2274 private void keepScreenOnAwhile() { 2275 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 2276 getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2277 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 2278 } 2279 2280 private class MyHeadUpDisplayListener implements HeadUpDisplay.Listener { 2281 2282 public void onSharedPreferenceChanged() { 2283 Camera.this.onSharedPreferenceChanged(); 2284 } 2285 2286 public void onRestorePreferencesClicked() { 2287 Camera.this.onRestorePreferencesClicked(); 2288 } 2289 2290 public void onPopupWindowVisibilityChanged(int visibility) { 2291 } 2292 } 2293 2294 protected void onRestorePreferencesClicked() { 2295 if (mPausing) return; 2296 Runnable runnable = new Runnable() { 2297 public void run() { 2298 restorePreferences(); 2299 } 2300 }; 2301 MenuHelper.confirmAction(this, 2302 getString(R.string.confirm_restore_title), 2303 getString(R.string.confirm_restore_message), 2304 runnable); 2305 } 2306 2307 private void restorePreferences() { 2308 // Reset the zoom. Zoom value is not stored in preference. 2309 if (mParameters.isZoomSupported()) { 2310 mZoomValue = 0; 2311 setCameraParametersWhenIdle(UPDATE_PARAM_ZOOM); 2312 if (mZoomPicker != null) mZoomPicker.setZoomIndex(0); 2313 } 2314 2315 if (mHeadUpDisplay != null) { 2316 mHeadUpDisplay.restorePreferences(mParameters); 2317 } 2318 2319 if (mIndicatorWheel != null) { 2320 mIndicatorWheel.dismissSettingPopup(); 2321 CameraSettings.restorePreferences(Camera.this, mPreferences, 2322 mParameters); 2323 initializeIndicatorWheel(); 2324 onSharedPreferenceChanged(); 2325 } 2326 } 2327 2328 protected void onOverriddenPreferencesClicked() { 2329 if (mPausing) return; 2330 if (mNotSelectableToast == null) { 2331 String str = getResources().getString(R.string.not_selectable_in_scene_mode); 2332 mNotSelectableToast = Toast.makeText(Camera.this, str, Toast.LENGTH_SHORT); 2333 } 2334 mNotSelectableToast.cancel(); 2335 mNotSelectableToast.show(); 2336 } 2337 2338 private class MyIndicatorWheelListener implements IndicatorWheel.Listener { 2339 public void onSharedPreferenceChanged() { 2340 Camera.this.onSharedPreferenceChanged(); 2341 } 2342 2343 public void onRestorePreferencesClicked() { 2344 Camera.this.onRestorePreferencesClicked(); 2345 } 2346 2347 public void onOverriddenPreferencesClicked() { 2348 Camera.this.onOverriddenPreferencesClicked(); 2349 } 2350 } 2351 2352 private class MyCameraPickerListener implements CameraPicker.Listener { 2353 public void onSharedPreferenceChanged() { 2354 Camera.this.onSharedPreferenceChanged(); 2355 } 2356 } 2357} 2358