Camera.java revision a2cbd31e81bf6b4a65ade4a5c34c303546d57d8c
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.gallery.IImage; 20import com.android.camera.gallery.IImageList; 21import com.android.camera.ui.CameraHeadUpDisplay; 22import com.android.camera.ui.GLRootView; 23import com.android.camera.ui.HeadUpDisplay; 24import com.android.camera.ui.ControlPanel; 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.CameraProfile; 51import android.media.ToneGenerator; 52import android.net.Uri; 53import android.os.Build; 54import android.os.Bundle; 55import android.os.Environment; 56import android.os.Handler; 57import android.os.Looper; 58import android.os.Message; 59import android.os.MessageQueue; 60import android.provider.MediaStore; 61import android.provider.Settings; 62import android.provider.MediaStore.Images.ImageColumns; 63import android.provider.MediaStore.Images.Media; 64import android.util.AttributeSet; 65import android.util.Log; 66import android.view.GestureDetector; 67import android.view.KeyEvent; 68import android.view.LayoutInflater; 69import android.view.Menu; 70import android.view.MenuItem; 71import android.view.MotionEvent; 72import android.view.OrientationEventListener; 73import android.view.SurfaceHolder; 74import android.view.SurfaceView; 75import android.view.View; 76import android.view.ViewGroup; 77import android.view.ViewStub; 78import android.view.Window; 79import android.view.WindowManager; 80import android.view.MenuItem.OnMenuItemClickListener; 81import android.widget.AdapterView; 82import android.widget.AdapterView.OnItemClickListener; 83import android.widget.Button; 84import android.widget.CursorAdapter; 85import android.widget.ListView; 86 87import java.io.File; 88import java.io.FileNotFoundException; 89import java.io.FileOutputStream; 90import java.io.IOException; 91import java.io.OutputStream; 92import java.text.SimpleDateFormat; 93import java.util.ArrayList; 94import java.util.Collections; 95import java.util.Date; 96import java.util.HashMap; 97import java.util.List; 98 99/** The Camera activity which can preview and take pictures. */ 100public class Camera extends NoSearchActivity implements View.OnClickListener, 101 ShutterButton.OnShutterButtonListener, SurfaceHolder.Callback, 102 Switcher.OnSwitchListener { 103 104 private static final String TAG = "camera"; 105 106 private static final int CROP_MSG = 1; 107 private static final int FIRST_TIME_INIT = 2; 108 private static final int RESTART_PREVIEW = 3; 109 private static final int CLEAR_SCREEN_DELAY = 4; 110 private static final int SET_CAMERA_PARAMETERS_WHEN_IDLE = 5; 111 112 // The subset of parameters we need to update in setCameraParameters(). 113 private static final int UPDATE_PARAM_INITIALIZE = 1; 114 private static final int UPDATE_PARAM_ZOOM = 2; 115 private static final int UPDATE_PARAM_PREFERENCE = 4; 116 private static final int UPDATE_PARAM_ALL = -1; 117 118 // When setCameraParametersWhenIdle() is called, we accumulate the subsets 119 // needed to be updated in mUpdateSet. 120 private int mUpdateSet; 121 122 // The brightness settings used when it is set to automatic in the system. 123 // The reason why it is set to 0.7 is just because 1.0 is too bright. 124 private static final float DEFAULT_CAMERA_BRIGHTNESS = 0.7f; 125 126 private static final int SCREEN_DELAY = 2 * 60 * 1000; 127 private static final int FOCUS_BEEP_VOLUME = 100; 128 129 private static final int ZOOM_STOPPED = 0; 130 private static final int ZOOM_START = 1; 131 private static final int ZOOM_STOPPING = 2; 132 133 private int mZoomState = ZOOM_STOPPED; 134 private boolean mSmoothZoomSupported = false; 135 private int mZoomValue; // The current zoom value. 136 private int mZoomMax; 137 private int mTargetZoomValue; 138 private ZoomPicker mZoomPicker; 139 140 private Parameters mParameters; 141 private Parameters mInitialParams; 142 143 private MyOrientationEventListener mOrientationListener; 144 // The device orientation in degrees. Default is unknown. 145 private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; 146 // The orientation compensation for icons and thumbnails. 147 private int mOrientationCompensation = 0; 148 private ComboPreferences mPreferences; 149 150 private static final int IDLE = 1; 151 private static final int SNAPSHOT_IN_PROGRESS = 2; 152 153 private static final boolean SWITCH_CAMERA = true; 154 private static final boolean SWITCH_VIDEO = false; 155 156 private int mStatus = IDLE; 157 private static final String sTempCropFilename = "crop-temp"; 158 159 private android.hardware.Camera mCameraDevice; 160 private ContentProviderClient mMediaProviderClient; 161 private SurfaceView mSurfaceView; 162 private SurfaceHolder mSurfaceHolder = null; 163 private ShutterButton mShutterButton; 164 private FocusRectangle mFocusRectangle; 165 private ToneGenerator mFocusToneGenerator; 166 private GestureDetector mPopupGestureDetector; 167 private GestureDetector mZoomGestureDetector; 168 private Switcher mSwitcher; 169 private boolean mStartPreviewFail = false; 170 171 private GLRootView mGLRootView; 172 173 // The layouts of small devices have a thumbnail button, which shows the last 174 // captured picture. 175 private RotateImageView mThumbnailButton; 176 // The layouts of xlarge devices have a list of thumbnails, which show the 177 // last captured pictures. 178 private ListView mThumbnailList; 179 private OnItemClickListener mThumbnailItemClickListener = 180 new ThumbnailItemClickListener(); 181 private ThumbnailAdapter mThumbnailAdapter; 182 183 // mCropValue and mSaveUri are used only if isImageCaptureIntent() is true. 184 private String mCropValue; 185 private Uri mSaveUri; 186 187 private ImageCapture mImageCapture = null; 188 189 // GPS on-screen indicator 190 private View mGpsNoSignalView; 191 private View mGpsHasSignalView; 192 193 /** 194 * An unpublished intent flag requesting to return as soon as capturing 195 * is completed. 196 * 197 * TODO: consider publishing by moving into MediaStore. 198 */ 199 private final static String EXTRA_QUICK_CAPTURE = 200 "android.intent.extra.quickCapture"; 201 202 private boolean mPreviewing; 203 private boolean mPausing; 204 private boolean mFirstTimeInitialized; 205 private boolean mIsImageCaptureIntent; 206 private boolean mRecordLocation; 207 208 private static final int FOCUS_NOT_STARTED = 0; 209 private static final int FOCUSING = 1; 210 private static final int FOCUSING_SNAP_ON_FINISH = 2; 211 private static final int FOCUS_SUCCESS = 3; 212 private static final int FOCUS_FAIL = 4; 213 private int mFocusState = FOCUS_NOT_STARTED; 214 215 private ContentResolver mContentResolver; 216 private boolean mDidRegister = false; 217 218 private final ArrayList<MenuItem> mGalleryItems = new ArrayList<MenuItem>(); 219 220 private LocationManager mLocationManager = null; 221 222 private final ShutterCallback mShutterCallback = new ShutterCallback(); 223 private final PostViewPictureCallback mPostViewPictureCallback = 224 new PostViewPictureCallback(); 225 private final RawPictureCallback mRawPictureCallback = 226 new RawPictureCallback(); 227 private final AutoFocusCallback mAutoFocusCallback = 228 new AutoFocusCallback(); 229 private final ZoomListener mZoomListener = new ZoomListener(); 230 // Use the ErrorCallback to capture the crash count 231 // on the mediaserver 232 private final ErrorCallback mErrorCallback = new ErrorCallback(); 233 234 private long mFocusStartTime; 235 private long mFocusCallbackTime; 236 private long mCaptureStartTime; 237 private long mShutterCallbackTime; 238 private long mPostViewPictureCallbackTime; 239 private long mRawPictureCallbackTime; 240 private long mJpegPictureCallbackTime; 241 private int mPicturesRemaining; 242 243 // These latency time are for the CameraLatency test. 244 public long mAutoFocusTime; 245 public long mShutterLag; 246 public long mShutterToPictureDisplayedTime; 247 public long mPictureDisplayedToJpegCallbackTime; 248 public long mJpegCallbackFinishTime; 249 250 // Add for test 251 public static boolean mMediaServerDied = false; 252 253 // Focus mode. Options are pref_camera_focusmode_entryvalues. 254 private String mFocusMode; 255 private String mSceneMode; 256 257 private final Handler mHandler = new MainHandler(); 258 // Small devices use head-up display for camera settings. 259 private CameraHeadUpDisplay mHeadUpDisplay; 260 // xlarge devices use control panel for camera settings. 261 private ControlPanel mControlPanel; 262 private PreferenceGroup mPreferenceGroup; 263 264 // multiple cameras support 265 private int mNumberOfCameras; 266 private int mCameraId; 267 268 private boolean mQuickCapture; 269 270 /** 271 * This Handler is used to post message back onto the main thread of the 272 * application 273 */ 274 private class MainHandler extends Handler { 275 @Override 276 public void handleMessage(Message msg) { 277 switch (msg.what) { 278 case RESTART_PREVIEW: { 279 restartPreview(); 280 if (mJpegPictureCallbackTime != 0) { 281 long now = System.currentTimeMillis(); 282 mJpegCallbackFinishTime = now - mJpegPictureCallbackTime; 283 Log.v(TAG, "mJpegCallbackFinishTime = " 284 + mJpegCallbackFinishTime + "ms"); 285 mJpegPictureCallbackTime = 0; 286 } 287 break; 288 } 289 290 case CLEAR_SCREEN_DELAY: { 291 getWindow().clearFlags( 292 WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 293 break; 294 } 295 296 case FIRST_TIME_INIT: { 297 initializeFirstTime(); 298 break; 299 } 300 301 case SET_CAMERA_PARAMETERS_WHEN_IDLE: { 302 setCameraParametersWhenIdle(0); 303 break; 304 } 305 } 306 } 307 } 308 309 private void resetExposureCompensation() { 310 String value = mPreferences.getString(CameraSettings.KEY_EXPOSURE, 311 CameraSettings.EXPOSURE_DEFAULT_VALUE); 312 if (!CameraSettings.EXPOSURE_DEFAULT_VALUE.equals(value)) { 313 Editor editor = mPreferences.edit(); 314 editor.putString(CameraSettings.KEY_EXPOSURE, "0"); 315 editor.apply(); 316 if (mHeadUpDisplay != null) { 317 mHeadUpDisplay.reloadPreferences(); 318 } 319 } 320 } 321 322 private void keepMediaProviderInstance() { 323 // We want to keep a reference to MediaProvider in camera's lifecycle. 324 // TODO: Utilize mMediaProviderClient instance to replace 325 // ContentResolver calls. 326 if (mMediaProviderClient == null) { 327 mMediaProviderClient = getContentResolver() 328 .acquireContentProviderClient(MediaStore.AUTHORITY); 329 } 330 } 331 332 // Snapshots can only be taken after this is called. It should be called 333 // once only. We could have done these things in onCreate() but we want to 334 // make preview screen appear as soon as possible. 335 private void initializeFirstTime() { 336 if (mFirstTimeInitialized) return; 337 338 // Create orientation listenter. This should be done first because it 339 // takes some time to get first orientation. 340 mOrientationListener = new MyOrientationEventListener(Camera.this); 341 mOrientationListener.enable(); 342 343 // Initialize location sevice. 344 mLocationManager = (LocationManager) 345 getSystemService(Context.LOCATION_SERVICE); 346 mRecordLocation = RecordLocationPreference.get( 347 mPreferences, getContentResolver()); 348 initGpsOnScreenIndicator(); 349 if (mRecordLocation) startReceivingLocationUpdates(); 350 351 keepMediaProviderInstance(); 352 checkStorage(); 353 354 // Initialize last picture button. 355 mContentResolver = getContentResolver(); 356 if (!mIsImageCaptureIntent) { 357 findViewById(R.id.camera_switch).setOnClickListener(this); 358 initThumbnailButton(); 359 initThumbnailList(); 360 } 361 362 // Initialize shutter button. 363 mShutterButton = (ShutterButton) findViewById(R.id.shutter_button); 364 mShutterButton.setOnShutterButtonListener(this); 365 mShutterButton.setVisibility(View.VISIBLE); 366 367 mFocusRectangle = (FocusRectangle) findViewById(R.id.focus_rectangle); 368 updateFocusIndicator(); 369 370 initializeScreenBrightness(); 371 installIntentFilter(); 372 initializeFocusTone(); 373 initializeZoom(); 374 if (mControlPanel == null) { 375 mHeadUpDisplay = new CameraHeadUpDisplay(this); 376 mHeadUpDisplay.setListener(new MyHeadUpDisplayListener()); 377 } 378 initializeHeadUpDisplay(); 379 mFirstTimeInitialized = true; 380 changeHeadUpDisplayState(); 381 addIdleHandler(); 382 } 383 384 private void addIdleHandler() { 385 MessageQueue queue = Looper.myQueue(); 386 queue.addIdleHandler(new MessageQueue.IdleHandler() { 387 public boolean queueIdle() { 388 ImageManager.ensureOSXCompatibleFolder(); 389 return false; 390 } 391 }); 392 } 393 394 private void initThumbnailButton() { 395 mThumbnailButton = 396 (RotateImageView) findViewById(R.id.review_thumbnail); 397 if (mThumbnailButton != null) { 398 mThumbnailButton.setOnClickListener(this); 399 mThumbnailButton.loadData(ImageManager.getLastImageThumbPath()); 400 updateThumbnailButton(); 401 } 402 } 403 404 private void updateThumbnailButton() { 405 if (mThumbnailButton == null) return; 406 // Update last image if URI is invalid and the storage is ready. 407 if (!mThumbnailButton.isUriValid() && mPicturesRemaining >= 0) { 408 IImageList list = ImageManager.makeImageList( 409 mContentResolver, 410 dataLocation(), 411 ImageManager.INCLUDE_IMAGES, 412 ImageManager.SORT_ASCENDING, 413 ImageManager.CAMERA_IMAGE_BUCKET_ID); 414 int count = list.getCount(); 415 if (count > 0) { 416 IImage image = list.getImageAt(count - 1); 417 Uri uri = image.fullSizeImageUri(); 418 mThumbnailButton.setData(uri, image.miniThumbBitmap()); 419 } else { 420 mThumbnailButton.setData(null, null); 421 } 422 list.close(); 423 } 424 } 425 426 private void setLastPictureThumb(byte[] data, int degree, Uri uri) { 427 if (mThumbnailButton == null) return; 428 BitmapFactory.Options options = new BitmapFactory.Options(); 429 options.inSampleSize = 16; 430 Bitmap lastPictureThumb = 431 BitmapFactory.decodeByteArray(data, 0, data.length, options); 432 lastPictureThumb = Util.rotate(lastPictureThumb, degree); 433 mThumbnailButton.setData(uri, lastPictureThumb); 434 } 435 436 private void initThumbnailList() { 437 mThumbnailList = (ListView) findViewById(R.id.thumbnail_list); 438 if (mThumbnailList == null) return; 439 440 int width = mThumbnailList.getWidth(); 441 int height = mThumbnailList.getHeight(); 442 443 // Add gallery button to header view. 444 if (mThumbnailList.getHeaderViewsCount() == 0) { 445 Button b = new Button(this); 446 ListView.LayoutParams params = new ListView.LayoutParams(width, width); 447 b.setId(R.id.btn_gallery); 448 b.setLayoutParams(params); 449 b.setOnClickListener(this); 450 b.setBackgroundResource(R.drawable.ic_menu_gallery); 451 mThumbnailList.addHeaderView(b); 452 } 453 454 // Set data adapter. 455 int thumbnailCount = (height + mThumbnailList.getDividerHeight()) 456 / (width + mThumbnailList.getDividerHeight()) - 1; 457 Cursor cursor = getThumbnailsCursor(thumbnailCount); 458 mThumbnailAdapter = new ThumbnailAdapter( 459 getApplicationContext(), R.layout.thumbnail_item, cursor, true); 460 mThumbnailList.setAdapter(mThumbnailAdapter); 461 mThumbnailList.setOnItemClickListener(mThumbnailItemClickListener); 462 } 463 464 private void updateThumbnailList() { 465 if (mThumbnailList == null) return; 466 mThumbnailAdapter.getCursor().requery(); 467 mThumbnailAdapter.notifyDataSetChanged(); 468 } 469 470 private Cursor getThumbnailsCursor(int thumbnailCount) { 471 Log.v(TAG, "thumbnailCount=" + thumbnailCount); 472 String[] projections = { MediaStore.Images.Thumbnails._ID }; 473 Uri uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI 474 .buildUpon() 475 .appendQueryParameter("limit", String.valueOf(thumbnailCount)) 476 .build(); 477 // TODO: managedQuery is deprecated. 478 return managedQuery(uri, projections, 479 Media.MIME_TYPE + " = 'image/jpeg' AND " + Media.BUCKET_ID + " = ?", 480 new String[] {ImageManager.CAMERA_IMAGE_BUCKET_ID}, 481 ImageColumns._ID + " DESC"); 482 } 483 484 // If the activity is paused and resumed, this method will be called in 485 // onResume. 486 private void initializeSecondTime() { 487 // Start orientation listener as soon as possible because it takes 488 // some time to get first orientation. 489 mOrientationListener.enable(); 490 491 // Start location update if needed. 492 mRecordLocation = RecordLocationPreference.get( 493 mPreferences, getContentResolver()); 494 if (mRecordLocation) startReceivingLocationUpdates(); 495 496 installIntentFilter(); 497 initializeFocusTone(); 498 initializeZoom(); 499 changeHeadUpDisplayState(); 500 501 keepMediaProviderInstance(); 502 checkStorage(); 503 504 if (!mIsImageCaptureIntent) { 505 updateThumbnailButton(); 506 } 507 } 508 509 private void initializeZoom() { 510 if (!mParameters.isZoomSupported()) return; 511 512 mZoomMax = mParameters.getMaxZoom(); 513 mSmoothZoomSupported = mParameters.isSmoothZoomSupported(); 514 mZoomGestureDetector = new GestureDetector(this, new ZoomGestureListener()); 515 if (mZoomPicker != null) { 516 mZoomPicker.setZoomRatios(getZoomRatios()); 517 mZoomPicker.setOnZoomChangeListener( 518 new ZoomPicker.OnZoomChangedListener() { 519 public void onZoomChanged(int index) { 520 onZoomValueChanged(index); 521 } 522 }); 523 } 524 525 mCameraDevice.setZoomChangeListener(mZoomListener); 526 } 527 528 private void onZoomValueChanged(int index) { 529 if (mSmoothZoomSupported) { 530 if (mTargetZoomValue != index && mZoomState != ZOOM_STOPPED) { 531 mTargetZoomValue = index; 532 if (mZoomState == ZOOM_START) { 533 mZoomState = ZOOM_STOPPING; 534 mCameraDevice.stopSmoothZoom(); 535 } 536 } else if (mZoomState == ZOOM_STOPPED && mZoomValue != index) { 537 mTargetZoomValue = index; 538 mCameraDevice.startSmoothZoom(index); 539 mZoomState = ZOOM_START; 540 } 541 } else { 542 mZoomValue = index; 543 setCameraParametersWhenIdle(UPDATE_PARAM_ZOOM); 544 } 545 } 546 547 private float[] getZoomRatios() { 548 if(!mParameters.isZoomSupported()) return null; 549 List<Integer> zoomRatios = mParameters.getZoomRatios(); 550 float result[] = new float[zoomRatios.size()]; 551 for (int i = 0, n = result.length; i < n; ++i) { 552 result[i] = (float) zoomRatios.get(i) / 100f; 553 } 554 return result; 555 } 556 557 private class ZoomGestureListener extends 558 GestureDetector.SimpleOnGestureListener { 559 560 @Override 561 public boolean onDoubleTap(MotionEvent e) { 562 // Perform zoom only when preview is started and snapshot is not in 563 // progress. 564 if (mPausing || !isCameraIdle() || !mPreviewing 565 || mZoomState != ZOOM_STOPPED) { 566 return false; 567 } 568 569 int x = Math.round(e.getX()); 570 int y = Math.round(e.getY()); 571 if (x < mSurfaceView.getLeft() || x > mSurfaceView.getRight() 572 || y < mSurfaceView.getTop() || y > mSurfaceView.getBottom()) { 573 return false; 574 } 575 576 if (mZoomValue < mZoomMax) { 577 // Zoom in to the maximum. 578 mZoomValue = mZoomMax; 579 } else { 580 mZoomValue = 0; 581 } 582 583 setCameraParametersWhenIdle(UPDATE_PARAM_ZOOM); 584 585 if (mZoomPicker != null) { 586 mZoomPicker.setZoomIndex(mZoomValue); 587 } else { 588 mHeadUpDisplay.setZoomIndex(mZoomValue); 589 } 590 return true; 591 } 592 } 593 594 private int mPopupLocations[] = new int[2]; 595 private class PopupGestureListener extends 596 GestureDetector.SimpleOnGestureListener { 597 public boolean onDown(MotionEvent e) { 598 int x = Math.round(e.getX()); 599 int y = Math.round(e.getY()); 600 601 // Check if the popup window is visible. 602 View v = mControlPanel.getActivePopupWindow(); 603 if (v == null) return false; 604 605 // Dismiss the popup window if users touch on the outside. 606 v.getLocationOnScreen(mPopupLocations); 607 if (x < mPopupLocations[0] || x > mPopupLocations[0] + v.getWidth() 608 || y < mPopupLocations[1] || y > mPopupLocations[1] + v.getHeight()) { 609 mControlPanel.dismissSettingPopup(); 610 return true; 611 } 612 return false; 613 } 614 } 615 616 @Override 617 public boolean dispatchTouchEvent(MotionEvent m) { 618 // Check if the popup window should be dismissed first. 619 if (mPopupGestureDetector != null && mPopupGestureDetector.onTouchEvent(m)) { 620 return true; 621 } 622 623 if (!super.dispatchTouchEvent(m) && mZoomGestureDetector != null) { 624 return mZoomGestureDetector.onTouchEvent(m); 625 } 626 627 return false; 628 } 629 630 LocationListener [] mLocationListeners = new LocationListener[] { 631 new LocationListener(LocationManager.GPS_PROVIDER), 632 new LocationListener(LocationManager.NETWORK_PROVIDER) 633 }; 634 635 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 636 @Override 637 public void onReceive(Context context, Intent intent) { 638 String action = intent.getAction(); 639 if (action.equals(Intent.ACTION_MEDIA_MOUNTED) 640 || action.equals(Intent.ACTION_MEDIA_UNMOUNTED) 641 || action.equals(Intent.ACTION_MEDIA_CHECKING)) { 642 checkStorage(); 643 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) { 644 checkStorage(); 645 if (!mIsImageCaptureIntent) { 646 updateThumbnailButton(); 647 updateThumbnailList(); 648 } 649 } 650 } 651 }; 652 653 private void initGpsOnScreenIndicator() { 654 mGpsNoSignalView = findViewById(R.id.onscreen_gps_indicator_no_signal); 655 mGpsHasSignalView = findViewById(R.id.onscreen_gps_indicator_on); 656 } 657 658 private void showGpsOnScreenIndicator(boolean hasSignal) { 659 if (hasSignal) { 660 if (mGpsNoSignalView != null) mGpsNoSignalView.setVisibility(View.INVISIBLE); 661 if (mGpsHasSignalView != null) mGpsHasSignalView.setVisibility(View.VISIBLE); 662 } else { 663 if (mGpsNoSignalView != null) mGpsNoSignalView.setVisibility(View.VISIBLE); 664 if (mGpsHasSignalView != null) mGpsHasSignalView.setVisibility(View.INVISIBLE); 665 } 666 } 667 668 private void hideGpsOnScreenIndicator() { 669 if (mGpsNoSignalView != null) mGpsNoSignalView.setVisibility(View.INVISIBLE); 670 if (mGpsHasSignalView != null) mGpsHasSignalView.setVisibility(View.INVISIBLE); 671 } 672 673 private class LocationListener 674 implements android.location.LocationListener { 675 Location mLastLocation; 676 boolean mValid = false; 677 String mProvider; 678 679 public LocationListener(String provider) { 680 mProvider = provider; 681 mLastLocation = new Location(mProvider); 682 } 683 684 public void onLocationChanged(Location newLocation) { 685 if (newLocation.getLatitude() == 0.0 686 && newLocation.getLongitude() == 0.0) { 687 // Hack to filter out 0.0,0.0 locations 688 return; 689 } 690 // If GPS is available before start camera, we won't get status 691 // update so update GPS indicator when we receive data. 692 if (mRecordLocation 693 && LocationManager.GPS_PROVIDER.equals(mProvider)) { 694 if (mHeadUpDisplay != null) { 695 mHeadUpDisplay.setGpsHasSignal(true); 696 } 697 showGpsOnScreenIndicator(true); 698 } 699 mLastLocation.set(newLocation); 700 mValid = true; 701 } 702 703 public void onProviderEnabled(String provider) { 704 } 705 706 public void onProviderDisabled(String provider) { 707 mValid = false; 708 } 709 710 public void onStatusChanged( 711 String provider, int status, Bundle extras) { 712 switch(status) { 713 case LocationProvider.OUT_OF_SERVICE: 714 case LocationProvider.TEMPORARILY_UNAVAILABLE: { 715 mValid = false; 716 if (mRecordLocation && 717 LocationManager.GPS_PROVIDER.equals(provider)) { 718 if (mHeadUpDisplay != null) { 719 mHeadUpDisplay.setGpsHasSignal(false); 720 } 721 showGpsOnScreenIndicator(false); 722 } 723 break; 724 } 725 } 726 } 727 728 public Location current() { 729 return mValid ? mLastLocation : null; 730 } 731 } 732 733 private final class ShutterCallback 734 implements android.hardware.Camera.ShutterCallback { 735 public void onShutter() { 736 mShutterCallbackTime = System.currentTimeMillis(); 737 mShutterLag = mShutterCallbackTime - mCaptureStartTime; 738 Log.v(TAG, "mShutterLag = " + mShutterLag + "ms"); 739 clearFocusState(); 740 } 741 } 742 743 private final class PostViewPictureCallback implements PictureCallback { 744 public void onPictureTaken( 745 byte [] data, android.hardware.Camera camera) { 746 mPostViewPictureCallbackTime = System.currentTimeMillis(); 747 Log.v(TAG, "mShutterToPostViewCallbackTime = " 748 + (mPostViewPictureCallbackTime - mShutterCallbackTime) 749 + "ms"); 750 } 751 } 752 753 private final class RawPictureCallback implements PictureCallback { 754 public void onPictureTaken( 755 byte [] rawData, android.hardware.Camera camera) { 756 mRawPictureCallbackTime = System.currentTimeMillis(); 757 Log.v(TAG, "mShutterToRawCallbackTime = " 758 + (mRawPictureCallbackTime - mShutterCallbackTime) + "ms"); 759 } 760 } 761 762 private final class JpegPictureCallback implements PictureCallback { 763 Location mLocation; 764 765 public JpegPictureCallback(Location loc) { 766 mLocation = loc; 767 } 768 769 public void onPictureTaken( 770 final byte [] jpegData, final android.hardware.Camera camera) { 771 if (mPausing) { 772 return; 773 } 774 775 mJpegPictureCallbackTime = System.currentTimeMillis(); 776 // If postview callback has arrived, the captured image is displayed 777 // in postview callback. If not, the captured image is displayed in 778 // raw picture callback. 779 if (mPostViewPictureCallbackTime != 0) { 780 mShutterToPictureDisplayedTime = 781 mPostViewPictureCallbackTime - mShutterCallbackTime; 782 mPictureDisplayedToJpegCallbackTime = 783 mJpegPictureCallbackTime - mPostViewPictureCallbackTime; 784 } else { 785 mShutterToPictureDisplayedTime = 786 mRawPictureCallbackTime - mShutterCallbackTime; 787 mPictureDisplayedToJpegCallbackTime = 788 mJpegPictureCallbackTime - mRawPictureCallbackTime; 789 } 790 Log.v(TAG, "mPictureDisplayedToJpegCallbackTime = " 791 + mPictureDisplayedToJpegCallbackTime + "ms"); 792 enableCameraControls(true); 793 794 if (!mIsImageCaptureIntent) { 795 // We want to show the taken picture for a while, so we wait 796 // for at least 1.2 second before restarting the preview. 797 long delay = 1200 - mPictureDisplayedToJpegCallbackTime; 798 if (delay < 0) { 799 restartPreview(); 800 } else { 801 mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, delay); 802 } 803 } 804 mImageCapture.storeImage(jpegData, camera, mLocation); 805 806 // Calculate this in advance of each shot so we don't add to shutter 807 // latency. It's true that someone else could write to the SD card in 808 // the mean time and fill it, but that could have happened between the 809 // shutter press and saving the JPEG too. 810 calculatePicturesRemaining(); 811 812 if (mPicturesRemaining < 1) { 813 updateStorageHint(mPicturesRemaining); 814 } 815 816 if (!mHandler.hasMessages(RESTART_PREVIEW)) { 817 long now = System.currentTimeMillis(); 818 mJpegCallbackFinishTime = now - mJpegPictureCallbackTime; 819 Log.v(TAG, "mJpegCallbackFinishTime = " 820 + mJpegCallbackFinishTime + "ms"); 821 mJpegPictureCallbackTime = 0; 822 } 823 } 824 } 825 826 private final class AutoFocusCallback 827 implements android.hardware.Camera.AutoFocusCallback { 828 public void onAutoFocus( 829 boolean focused, android.hardware.Camera camera) { 830 mFocusCallbackTime = System.currentTimeMillis(); 831 mAutoFocusTime = mFocusCallbackTime - mFocusStartTime; 832 Log.v(TAG, "mAutoFocusTime = " + mAutoFocusTime + "ms"); 833 if (mFocusState == FOCUSING_SNAP_ON_FINISH) { 834 // Take the picture no matter focus succeeds or fails. No need 835 // to play the AF sound if we're about to play the shutter 836 // sound. 837 if (focused) { 838 mFocusState = FOCUS_SUCCESS; 839 } else { 840 mFocusState = FOCUS_FAIL; 841 } 842 mImageCapture.onSnap(); 843 } else if (mFocusState == FOCUSING) { 844 // User is half-pressing the focus key. Play the focus tone. 845 // Do not take the picture now. 846 ToneGenerator tg = mFocusToneGenerator; 847 if (tg != null) { 848 tg.startTone(ToneGenerator.TONE_PROP_BEEP2); 849 } 850 if (focused) { 851 mFocusState = FOCUS_SUCCESS; 852 } else { 853 mFocusState = FOCUS_FAIL; 854 } 855 } else if (mFocusState == FOCUS_NOT_STARTED) { 856 // User has released the focus key before focus completes. 857 // Do nothing. 858 } 859 updateFocusIndicator(); 860 } 861 } 862 863 private static final class ErrorCallback 864 implements android.hardware.Camera.ErrorCallback { 865 public void onError(int error, android.hardware.Camera camera) { 866 if (error == android.hardware.Camera.CAMERA_ERROR_SERVER_DIED) { 867 mMediaServerDied = true; 868 Log.v(TAG, "media server died"); 869 } 870 } 871 } 872 873 private final class ZoomListener 874 implements android.hardware.Camera.OnZoomChangeListener { 875 public void onZoomChange( 876 int value, boolean stopped, android.hardware.Camera camera) { 877 Log.v(TAG, "Zoom changed: value=" + value + ". stopped="+ stopped); 878 mZoomValue = value; 879 // Keep mParameters up to date. We do not getParameter again in 880 // takePicture. If we do not do this, wrong zoom value will be set. 881 mParameters.setZoom(value); 882 // We only care if the zoom is stopped. mZooming is set to true when 883 // we start smooth zoom. 884 if (stopped && mZoomState != ZOOM_STOPPED) { 885 if (value != mTargetZoomValue) { 886 mCameraDevice.startSmoothZoom(mTargetZoomValue); 887 mZoomState = ZOOM_START; 888 } else { 889 mZoomState = ZOOM_STOPPED; 890 } 891 } 892 } 893 } 894 895 private class ImageCapture { 896 897 private Uri mLastContentUri; 898 899 byte[] mCaptureOnlyData; 900 901 // Returns the rotation degree in the jpeg header. 902 private int storeImage(byte[] data, Location loc) { 903 try { 904 long dateTaken = System.currentTimeMillis(); 905 String title = createName(dateTaken); 906 String filename = title + ".jpg"; 907 int[] degree = new int[1]; 908 mLastContentUri = ImageManager.addImage( 909 mContentResolver, 910 title, 911 dateTaken, 912 loc, // location from gps/network 913 ImageManager.CAMERA_IMAGE_BUCKET_NAME, filename, 914 null, data, 915 degree); 916 return degree[0]; 917 } catch (Exception ex) { 918 Log.e(TAG, "Exception while compressing image.", ex); 919 return 0; 920 } 921 } 922 923 public void storeImage(final byte[] data, 924 android.hardware.Camera camera, Location loc) { 925 if (!mIsImageCaptureIntent) { 926 int degree = storeImage(data, loc); 927 sendBroadcast(new Intent( 928 "com.android.camera.NEW_PICTURE", mLastContentUri)); 929 setLastPictureThumb(data, degree, 930 mImageCapture.getLastCaptureUri()); 931 updateThumbnailList(); 932 } else { 933 mCaptureOnlyData = data; 934 if (!mQuickCapture) { 935 showPostCaptureAlert(); 936 } else { 937 doAttach(); 938 } 939 } 940 } 941 942 /** 943 * Initiate the capture of an image. 944 */ 945 public void initiate() { 946 if (mCameraDevice == null) { 947 return; 948 } 949 950 capture(); 951 } 952 953 public Uri getLastCaptureUri() { 954 return mLastContentUri; 955 } 956 957 public byte[] getLastCaptureData() { 958 return mCaptureOnlyData; 959 } 960 961 private void capture() { 962 mCaptureOnlyData = null; 963 964 // See android.hardware.Camera.Parameters.setRotation for 965 // documentation. 966 int rotation = 0; 967 if (mOrientation != OrientationEventListener.ORIENTATION_UNKNOWN) { 968 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 969 if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 970 rotation = (info.orientation - mOrientation + 360) % 360; 971 } else { // back-facing camera 972 rotation = (info.orientation + mOrientation) % 360; 973 } 974 } 975 mParameters.setRotation(rotation); 976 977 // Clear previous GPS location from the parameters. 978 mParameters.removeGpsData(); 979 980 // We always encode GpsTimeStamp 981 mParameters.setGpsTimestamp(System.currentTimeMillis() / 1000); 982 983 // Set GPS location. 984 Location loc = mRecordLocation ? getCurrentLocation() : null; 985 if (loc != null) { 986 double lat = loc.getLatitude(); 987 double lon = loc.getLongitude(); 988 boolean hasLatLon = (lat != 0.0d) || (lon != 0.0d); 989 990 if (hasLatLon) { 991 mParameters.setGpsLatitude(lat); 992 mParameters.setGpsLongitude(lon); 993 mParameters.setGpsProcessingMethod(loc.getProvider().toUpperCase()); 994 if (loc.hasAltitude()) { 995 mParameters.setGpsAltitude(loc.getAltitude()); 996 } else { 997 // for NETWORK_PROVIDER location provider, we may have 998 // no altitude information, but the driver needs it, so 999 // we fake one. 1000 mParameters.setGpsAltitude(0); 1001 } 1002 if (loc.getTime() != 0) { 1003 // Location.getTime() is UTC in milliseconds. 1004 // gps-timestamp is UTC in seconds. 1005 long utcTimeSeconds = loc.getTime() / 1000; 1006 mParameters.setGpsTimestamp(utcTimeSeconds); 1007 } 1008 } else { 1009 loc = null; 1010 } 1011 } 1012 1013 mCameraDevice.setParameters(mParameters); 1014 1015 mCameraDevice.takePicture(mShutterCallback, mRawPictureCallback, 1016 mPostViewPictureCallback, new JpegPictureCallback(loc)); 1017 mPreviewing = false; 1018 } 1019 1020 public void onSnap() { 1021 // If we are already in the middle of taking a snapshot then ignore. 1022 if (mPausing || mStatus == SNAPSHOT_IN_PROGRESS) { 1023 return; 1024 } 1025 mCaptureStartTime = System.currentTimeMillis(); 1026 mPostViewPictureCallbackTime = 0; 1027 enableCameraControls(false); 1028 mStatus = SNAPSHOT_IN_PROGRESS; 1029 1030 mImageCapture.initiate(); 1031 } 1032 1033 private void clearLastData() { 1034 mCaptureOnlyData = null; 1035 } 1036 } 1037 1038 private boolean saveDataToFile(String filePath, byte[] data) { 1039 FileOutputStream f = null; 1040 try { 1041 f = new FileOutputStream(filePath); 1042 f.write(data); 1043 } catch (IOException e) { 1044 return false; 1045 } finally { 1046 MenuHelper.closeSilently(f); 1047 } 1048 return true; 1049 } 1050 1051 private String createName(long dateTaken) { 1052 Date date = new Date(dateTaken); 1053 SimpleDateFormat dateFormat = new SimpleDateFormat( 1054 getString(R.string.image_file_name_format)); 1055 1056 return dateFormat.format(date); 1057 } 1058 1059 @Override 1060 public void onCreate(Bundle icicle) { 1061 super.onCreate(icicle); 1062 1063 mIsImageCaptureIntent = isImageCaptureIntent(); 1064 if (mIsImageCaptureIntent) { 1065 setContentView(R.layout.camera_attach); 1066 } else { 1067 setContentView(R.layout.camera); 1068 } 1069 mSurfaceView = (SurfaceView) findViewById(R.id.camera_preview); 1070 1071 mPreferences = new ComboPreferences(this); 1072 CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal()); 1073 mCameraId = CameraSettings.readPreferredCameraId(mPreferences); 1074 mPreferences.setLocalId(this, mCameraId); 1075 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 1076 1077 mNumberOfCameras = CameraHolder.instance().getNumberOfCameras(); 1078 mQuickCapture = getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false); 1079 1080 // we need to reset exposure for the preview 1081 resetExposureCompensation(); 1082 /* 1083 * To reduce startup time, we start the preview in another thread. 1084 * We make sure the preview is started at the end of onCreate. 1085 */ 1086 Thread startPreviewThread = new Thread(new Runnable() { 1087 public void run() { 1088 try { 1089 mStartPreviewFail = false; 1090 startPreview(); 1091 } catch (CameraHardwareException e) { 1092 // In eng build, we throw the exception so that test tool 1093 // can detect it and report it 1094 if ("eng".equals(Build.TYPE)) { 1095 throw new RuntimeException(e); 1096 } 1097 mStartPreviewFail = true; 1098 } 1099 } 1100 }); 1101 startPreviewThread.start(); 1102 1103 // don't set mSurfaceHolder here. We have it set ONLY within 1104 // surfaceChanged / surfaceDestroyed, other parts of the code 1105 // assume that when it is set, the surface is also set. 1106 SurfaceHolder holder = mSurfaceView.getHolder(); 1107 holder.addCallback(this); 1108 holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); 1109 1110 if (mIsImageCaptureIntent) { 1111 setupCaptureParams(); 1112 1113 View controlBar = findViewById(R.id.control_bar); 1114 controlBar.findViewById(R.id.btn_cancel).setOnClickListener(this); 1115 controlBar.findViewById(R.id.btn_retake).setOnClickListener(this); 1116 controlBar.findViewById(R.id.btn_done).setOnClickListener(this); 1117 } else { 1118 mSwitcher = ((Switcher) findViewById(R.id.camera_switch)); 1119 mSwitcher.setOnSwitchListener(this); 1120 mSwitcher.addTouchView(findViewById(R.id.camera_switch_set)); 1121 } 1122 1123 // Show zoom picker. 1124 ViewStub zoomStub = (ViewStub) findViewById(R.id.zoom_stub); 1125 if (zoomStub != null) mZoomPicker = (ZoomPicker) zoomStub.inflate(); 1126 1127 // Make sure preview is started. 1128 try { 1129 startPreviewThread.join(); 1130 if (mStartPreviewFail) { 1131 showCameraErrorAndFinish(); 1132 return; 1133 } 1134 } catch (InterruptedException ex) { 1135 // ignore 1136 } 1137 1138 // Do this after starting preview because it depends on camera 1139 // parameters. 1140 initializeControlPanel(); 1141 } 1142 1143 private void changeHeadUpDisplayState() { 1144 if (mHeadUpDisplay == null) return; 1145 // If the camera resumes behind the lock screen, the orientation 1146 // will be portrait. That causes OOM when we try to allocation GPU 1147 // memory for the GLSurfaceView again when the orientation changes. So, 1148 // we delayed initialization of HeadUpDisplay until the orientation 1149 // becomes landscape. 1150 Configuration config = getResources().getConfiguration(); 1151 if (config.orientation == Configuration.ORIENTATION_LANDSCAPE 1152 && !mPausing && mFirstTimeInitialized) { 1153 if (mGLRootView == null) attachHeadUpDisplay(); 1154 } else if (mGLRootView != null) { 1155 detachHeadUpDisplay(); 1156 } 1157 } 1158 1159 private void overrideHudSettings(final String flashMode, 1160 final String whiteBalance, final String focusMode) { 1161 mHeadUpDisplay.overrideSettings( 1162 CameraSettings.KEY_FLASH_MODE, flashMode, 1163 CameraSettings.KEY_WHITE_BALANCE, whiteBalance, 1164 CameraSettings.KEY_FOCUS_MODE, focusMode); 1165 } 1166 1167 private void updateSceneModeInHud() { 1168 // If scene mode is set, we cannot set flash mode, white balance, and 1169 // focus mode, instead, we read it from driver 1170 if (!Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 1171 overrideHudSettings(mParameters.getFlashMode(), 1172 mParameters.getWhiteBalance(), mParameters.getFocusMode()); 1173 } else { 1174 overrideHudSettings(null, null, null); 1175 } 1176 } 1177 1178 private void initializeControlPanel() { 1179 String[] keys = new String[]{CameraSettings.KEY_FLASH_MODE, 1180 CameraSettings.KEY_WHITE_BALANCE, 1181 CameraSettings.KEY_COLOR_EFFECT, 1182 CameraSettings.KEY_CAMERA_ID}; 1183 mControlPanel = (ControlPanel) findViewById(R.id.control_panel); 1184 if (mControlPanel != null) { 1185 CameraSettings settings = new CameraSettings(this, mInitialParams, 1186 mCameraId, CameraHolder.instance().getCameraInfo()); 1187 mPreferenceGroup = settings.getPreferenceGroup(R.xml.camera_preferences); 1188 mControlPanel.initialize(this, mPreferenceGroup, keys, true); 1189 mControlPanel.setListener(new MyControlPanelListener()); 1190 mPopupGestureDetector = new GestureDetector(this, 1191 new PopupGestureListener()); 1192 } 1193 } 1194 1195 private void initializeHeadUpDisplay() { 1196 if (mHeadUpDisplay == null) return; 1197 CameraSettings settings = new CameraSettings(this, mInitialParams, 1198 mCameraId, CameraHolder.instance().getCameraInfo()); 1199 // If we have zoom picker, do not show zoom control on head-up display. 1200 float[] zoomRatios = null; 1201 if (mZoomPicker == null) zoomRatios = getZoomRatios(); 1202 mHeadUpDisplay.initialize(this, 1203 settings.getPreferenceGroup(R.xml.camera_preferences), 1204 zoomRatios, mOrientationCompensation); 1205 if (mZoomPicker == null && mParameters.isZoomSupported()) { 1206 mHeadUpDisplay.setZoomListener(new ZoomControllerListener() { 1207 public void onZoomChanged( 1208 int index, float ratio, boolean isMoving) { 1209 onZoomValueChanged(index); 1210 } 1211 }); 1212 } 1213 updateSceneModeInHud(); 1214 } 1215 1216 private void attachHeadUpDisplay() { 1217 mHeadUpDisplay.setOrientation(mOrientationCompensation); 1218 if (mParameters.isZoomSupported()) { 1219 mHeadUpDisplay.setZoomIndex(mZoomValue); 1220 } 1221 ViewGroup frame = (ViewGroup) findViewById(R.id.frame); 1222 mGLRootView = new GLRootView(this); 1223 mGLRootView.setContentPane(mHeadUpDisplay); 1224 frame.addView(mGLRootView); 1225 } 1226 1227 private void detachHeadUpDisplay() { 1228 mHeadUpDisplay.setGpsHasSignal(false); 1229 mHeadUpDisplay.collapse(); 1230 ((ViewGroup) mGLRootView.getParent()).removeView(mGLRootView); 1231 mGLRootView = null; 1232 } 1233 1234 private boolean collapseCameraControls() { 1235 if (mHeadUpDisplay != null && mHeadUpDisplay.collapse()) { 1236 return true; 1237 } 1238 if (mControlPanel != null && mControlPanel.dismissSettingPopup()) { 1239 return true; 1240 } 1241 return false; 1242 } 1243 1244 private void enableCameraControls(boolean enable) { 1245 if (mHeadUpDisplay != null) mHeadUpDisplay.setEnabled(enable); 1246 if (mControlPanel != null) mControlPanel.setEnabled(enable); 1247 } 1248 1249 public static int roundOrientation(int orientation) { 1250 return ((orientation + 45) / 90 * 90) % 360; 1251 } 1252 1253 private class MyOrientationEventListener 1254 extends OrientationEventListener { 1255 public MyOrientationEventListener(Context context) { 1256 super(context); 1257 } 1258 1259 @Override 1260 public void onOrientationChanged(int orientation) { 1261 // We keep the last known orientation. So if the user first orient 1262 // the camera then point the camera to floor or sky, we still have 1263 // the correct orientation. 1264 if (orientation == ORIENTATION_UNKNOWN) return; 1265 orientation = roundOrientation(orientation); 1266 if (orientation != mOrientation) { 1267 mOrientation = orientation; 1268 mOrientationCompensation = orientation 1269 + Util.getDisplayRotation(Camera.this); 1270 1271 if (!mIsImageCaptureIntent) { 1272 setOrientationIndicator(mOrientationCompensation); 1273 } 1274 if (mHeadUpDisplay != null) { 1275 mHeadUpDisplay.setOrientation(mOrientationCompensation); 1276 } 1277 } 1278 } 1279 } 1280 1281 private void setOrientationIndicator(int degree) { 1282 RotateImageView thumbnail = (RotateImageView) findViewById( 1283 R.id.review_thumbnail); 1284 if (thumbnail != null) thumbnail.setDegree(degree); 1285 1286 ((RotateImageView) findViewById( 1287 R.id.camera_switch_icon)).setDegree(degree); 1288 ((RotateImageView) findViewById( 1289 R.id.video_switch_icon)).setDegree(degree); 1290 } 1291 1292 @Override 1293 public void onStart() { 1294 super.onStart(); 1295 if (!mIsImageCaptureIntent) { 1296 mSwitcher.setSwitch(SWITCH_CAMERA); 1297 } 1298 } 1299 1300 @Override 1301 public void onStop() { 1302 super.onStop(); 1303 if (mMediaProviderClient != null) { 1304 mMediaProviderClient.release(); 1305 mMediaProviderClient = null; 1306 } 1307 } 1308 1309 private void checkStorage() { 1310 calculatePicturesRemaining(); 1311 updateStorageHint(mPicturesRemaining); 1312 } 1313 1314 public void onClick(View v) { 1315 switch (v.getId()) { 1316 case R.id.btn_retake: 1317 hidePostCaptureAlert(); 1318 restartPreview(); 1319 break; 1320 case R.id.review_thumbnail: 1321 if (isCameraIdle()) { 1322 viewImage(mThumbnailButton); 1323 } 1324 break; 1325 case R.id.btn_done: 1326 doAttach(); 1327 break; 1328 case R.id.btn_cancel: 1329 doCancel(); 1330 break; 1331 case R.id.btn_gallery: 1332 gotoGallery(); 1333 break; 1334 } 1335 } 1336 1337 private class ThumbnailItemClickListener implements OnItemClickListener { 1338 public void onItemClick(AdapterView<?> p, View v, int pos, long id) { 1339 viewImage((RotateImageView)v); 1340 } 1341 } 1342 1343 private Bitmap createCaptureBitmap(byte[] data) { 1344 // This is really stupid...we just want to read the orientation in 1345 // the jpeg header. 1346 String filepath = ImageManager.getTempJpegPath(); 1347 int degree = 0; 1348 if (saveDataToFile(filepath, data)) { 1349 degree = ImageManager.getExifOrientation(filepath); 1350 new File(filepath).delete(); 1351 } 1352 1353 // Limit to 50k pixels so we can return it in the intent. 1354 Bitmap bitmap = Util.makeBitmap(data, 50 * 1024); 1355 bitmap = Util.rotate(bitmap, degree); 1356 return bitmap; 1357 } 1358 1359 private void doAttach() { 1360 if (mPausing) { 1361 return; 1362 } 1363 1364 byte[] data = mImageCapture.getLastCaptureData(); 1365 1366 if (mCropValue == null) { 1367 // First handle the no crop case -- just return the value. If the 1368 // caller specifies a "save uri" then write the data to it's 1369 // stream. Otherwise, pass back a scaled down version of the bitmap 1370 // directly in the extras. 1371 if (mSaveUri != null) { 1372 OutputStream outputStream = null; 1373 try { 1374 outputStream = mContentResolver.openOutputStream(mSaveUri); 1375 outputStream.write(data); 1376 outputStream.close(); 1377 1378 setResult(RESULT_OK); 1379 finish(); 1380 } catch (IOException ex) { 1381 // ignore exception 1382 } finally { 1383 Util.closeSilently(outputStream); 1384 } 1385 } else { 1386 Bitmap bitmap = createCaptureBitmap(data); 1387 setResult(RESULT_OK, 1388 new Intent("inline-data").putExtra("data", bitmap)); 1389 finish(); 1390 } 1391 } else { 1392 // Save the image to a temp file and invoke the cropper 1393 Uri tempUri = null; 1394 FileOutputStream tempStream = null; 1395 try { 1396 File path = getFileStreamPath(sTempCropFilename); 1397 path.delete(); 1398 tempStream = openFileOutput(sTempCropFilename, 0); 1399 tempStream.write(data); 1400 tempStream.close(); 1401 tempUri = Uri.fromFile(path); 1402 } catch (FileNotFoundException ex) { 1403 setResult(Activity.RESULT_CANCELED); 1404 finish(); 1405 return; 1406 } catch (IOException ex) { 1407 setResult(Activity.RESULT_CANCELED); 1408 finish(); 1409 return; 1410 } finally { 1411 Util.closeSilently(tempStream); 1412 } 1413 1414 Bundle newExtras = new Bundle(); 1415 if (mCropValue.equals("circle")) { 1416 newExtras.putString("circleCrop", "true"); 1417 } 1418 if (mSaveUri != null) { 1419 newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, mSaveUri); 1420 } else { 1421 newExtras.putBoolean("return-data", true); 1422 } 1423 1424 Intent cropIntent = new Intent("com.android.camera.action.CROP"); 1425 1426 cropIntent.setData(tempUri); 1427 cropIntent.putExtras(newExtras); 1428 1429 startActivityForResult(cropIntent, CROP_MSG); 1430 } 1431 } 1432 1433 private void doCancel() { 1434 setResult(RESULT_CANCELED, new Intent()); 1435 finish(); 1436 } 1437 1438 public void onShutterButtonFocus(ShutterButton button, boolean pressed) { 1439 if (mPausing) { 1440 return; 1441 } 1442 switch (button.getId()) { 1443 case R.id.shutter_button: 1444 doFocus(pressed); 1445 break; 1446 } 1447 } 1448 1449 public void onShutterButtonClick(ShutterButton button) { 1450 if (mPausing) { 1451 return; 1452 } 1453 switch (button.getId()) { 1454 case R.id.shutter_button: 1455 doSnap(); 1456 break; 1457 } 1458 } 1459 1460 private OnScreenHint mStorageHint; 1461 1462 private void updateStorageHint(int remaining) { 1463 String noStorageText = null; 1464 1465 if (remaining == MenuHelper.NO_STORAGE_ERROR) { 1466 String state = Environment.getExternalStorageState(); 1467 if (state == Environment.MEDIA_CHECKING) { 1468 noStorageText = getString(R.string.preparing_sd); 1469 } else { 1470 noStorageText = getString(R.string.no_storage); 1471 } 1472 } else if (remaining == MenuHelper.CANNOT_STAT_ERROR) { 1473 noStorageText = getString(R.string.access_sd_fail); 1474 } else if (remaining < 1) { 1475 noStorageText = getString(R.string.not_enough_space); 1476 } 1477 1478 if (noStorageText != null) { 1479 if (mStorageHint == null) { 1480 mStorageHint = OnScreenHint.makeText(this, noStorageText); 1481 } else { 1482 mStorageHint.setText(noStorageText); 1483 } 1484 mStorageHint.show(); 1485 } else if (mStorageHint != null) { 1486 mStorageHint.cancel(); 1487 mStorageHint = null; 1488 } 1489 } 1490 1491 private void installIntentFilter() { 1492 // install an intent filter to receive SD card related events. 1493 IntentFilter intentFilter = 1494 new IntentFilter(Intent.ACTION_MEDIA_MOUNTED); 1495 intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED); 1496 intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); 1497 intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING); 1498 intentFilter.addDataScheme("file"); 1499 registerReceiver(mReceiver, intentFilter); 1500 mDidRegister = true; 1501 } 1502 1503 private void initializeFocusTone() { 1504 // Initialize focus tone generator. 1505 try { 1506 mFocusToneGenerator = new ToneGenerator( 1507 AudioManager.STREAM_SYSTEM, FOCUS_BEEP_VOLUME); 1508 } catch (Throwable ex) { 1509 Log.w(TAG, "Exception caught while creating tone generator: ", ex); 1510 mFocusToneGenerator = null; 1511 } 1512 } 1513 1514 private void initializeScreenBrightness() { 1515 Window win = getWindow(); 1516 // Overright the brightness settings if it is automatic 1517 int mode = Settings.System.getInt( 1518 getContentResolver(), 1519 Settings.System.SCREEN_BRIGHTNESS_MODE, 1520 Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL); 1521 if (mode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC) { 1522 WindowManager.LayoutParams winParams = win.getAttributes(); 1523 winParams.screenBrightness = DEFAULT_CAMERA_BRIGHTNESS; 1524 win.setAttributes(winParams); 1525 } 1526 } 1527 1528 @Override 1529 protected void onResume() { 1530 super.onResume(); 1531 1532 mPausing = false; 1533 mJpegPictureCallbackTime = 0; 1534 mZoomValue = 0; 1535 mImageCapture = new ImageCapture(); 1536 1537 // Start the preview if it is not started. 1538 if (!mPreviewing && !mStartPreviewFail) { 1539 resetExposureCompensation(); 1540 if (!restartPreview()) return; 1541 } 1542 1543 if (mSurfaceHolder != null) { 1544 // If first time initialization is not finished, put it in the 1545 // message queue. 1546 if (!mFirstTimeInitialized) { 1547 mHandler.sendEmptyMessage(FIRST_TIME_INIT); 1548 } else { 1549 initializeSecondTime(); 1550 } 1551 } 1552 keepScreenOnAwhile(); 1553 } 1554 1555 @Override 1556 public void onConfigurationChanged(Configuration config) { 1557 super.onConfigurationChanged(config); 1558 changeHeadUpDisplayState(); 1559 } 1560 1561 private static ImageManager.DataLocation dataLocation() { 1562 return ImageManager.DataLocation.EXTERNAL; 1563 } 1564 1565 @Override 1566 protected void onPause() { 1567 mPausing = true; 1568 stopPreview(); 1569 // Close the camera now because other activities may need to use it. 1570 closeCamera(); 1571 resetScreenOn(); 1572 collapseCameraControls(); 1573 changeHeadUpDisplayState(); 1574 1575 if (mFirstTimeInitialized) { 1576 mOrientationListener.disable(); 1577 if (!mIsImageCaptureIntent) { 1578 if (mThumbnailButton != null) { 1579 mThumbnailButton.storeData( 1580 ImageManager.getLastImageThumbPath()); 1581 } 1582 } 1583 hidePostCaptureAlert(); 1584 } 1585 1586 if (mDidRegister) { 1587 unregisterReceiver(mReceiver); 1588 mDidRegister = false; 1589 } 1590 stopReceivingLocationUpdates(); 1591 1592 if (mFocusToneGenerator != null) { 1593 mFocusToneGenerator.release(); 1594 mFocusToneGenerator = null; 1595 } 1596 1597 if (mStorageHint != null) { 1598 mStorageHint.cancel(); 1599 mStorageHint = null; 1600 } 1601 1602 // If we are in an image capture intent and has taken 1603 // a picture, we just clear it in onPause. 1604 mImageCapture.clearLastData(); 1605 mImageCapture = null; 1606 1607 // Remove the messages in the event queue. 1608 mHandler.removeMessages(RESTART_PREVIEW); 1609 mHandler.removeMessages(FIRST_TIME_INIT); 1610 1611 super.onPause(); 1612 } 1613 1614 @Override 1615 protected void onActivityResult( 1616 int requestCode, int resultCode, Intent data) { 1617 switch (requestCode) { 1618 case CROP_MSG: { 1619 Intent intent = new Intent(); 1620 if (data != null) { 1621 Bundle extras = data.getExtras(); 1622 if (extras != null) { 1623 intent.putExtras(extras); 1624 } 1625 } 1626 setResult(resultCode, intent); 1627 finish(); 1628 1629 File path = getFileStreamPath(sTempCropFilename); 1630 path.delete(); 1631 1632 break; 1633 } 1634 } 1635 } 1636 1637 private boolean canTakePicture() { 1638 return isCameraIdle() && mPreviewing && (mPicturesRemaining > 0); 1639 } 1640 1641 private void autoFocus() { 1642 // Initiate autofocus only when preview is started and snapshot is not 1643 // in progress. 1644 if (canTakePicture()) { 1645 enableCameraControls(false); 1646 Log.v(TAG, "Start autofocus."); 1647 mFocusStartTime = System.currentTimeMillis(); 1648 mFocusState = FOCUSING; 1649 updateFocusIndicator(); 1650 mCameraDevice.autoFocus(mAutoFocusCallback); 1651 } 1652 } 1653 1654 private void cancelAutoFocus() { 1655 // User releases half-pressed focus key. 1656 if (mStatus != SNAPSHOT_IN_PROGRESS && (mFocusState == FOCUSING 1657 || mFocusState == FOCUS_SUCCESS || mFocusState == FOCUS_FAIL)) { 1658 Log.v(TAG, "Cancel autofocus."); 1659 enableCameraControls(true); 1660 mCameraDevice.cancelAutoFocus(); 1661 } 1662 if (mFocusState != FOCUSING_SNAP_ON_FINISH) { 1663 clearFocusState(); 1664 } 1665 } 1666 1667 private void clearFocusState() { 1668 mFocusState = FOCUS_NOT_STARTED; 1669 updateFocusIndicator(); 1670 } 1671 1672 private void updateFocusIndicator() { 1673 if (mFocusRectangle == null) return; 1674 1675 if (mFocusState == FOCUSING || mFocusState == FOCUSING_SNAP_ON_FINISH) { 1676 mFocusRectangle.showStart(); 1677 } else if (mFocusState == FOCUS_SUCCESS) { 1678 mFocusRectangle.showSuccess(); 1679 } else if (mFocusState == FOCUS_FAIL) { 1680 mFocusRectangle.showFail(); 1681 } else { 1682 mFocusRectangle.clear(); 1683 } 1684 } 1685 1686 @Override 1687 public void onBackPressed() { 1688 if (!isCameraIdle()) { 1689 // ignore backs while we're taking a picture 1690 return; 1691 } else if (!collapseCameraControls()) { 1692 super.onBackPressed(); 1693 } 1694 } 1695 1696 @Override 1697 public boolean onKeyDown(int keyCode, KeyEvent event) { 1698 switch (keyCode) { 1699 case KeyEvent.KEYCODE_FOCUS: 1700 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1701 doFocus(true); 1702 } 1703 return true; 1704 case KeyEvent.KEYCODE_CAMERA: 1705 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1706 doSnap(); 1707 } 1708 return true; 1709 case KeyEvent.KEYCODE_DPAD_CENTER: 1710 // If we get a dpad center event without any focused view, move 1711 // the focus to the shutter button and press it. 1712 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1713 // Start auto-focus immediately to reduce shutter lag. After 1714 // the shutter button gets the focus, doFocus() will be 1715 // called again but it is fine. 1716 if (collapseCameraControls()) return true; 1717 doFocus(true); 1718 if (mShutterButton.isInTouchMode()) { 1719 mShutterButton.requestFocusFromTouch(); 1720 } else { 1721 mShutterButton.requestFocus(); 1722 } 1723 mShutterButton.setPressed(true); 1724 } 1725 return true; 1726 } 1727 1728 return super.onKeyDown(keyCode, event); 1729 } 1730 1731 @Override 1732 public boolean onKeyUp(int keyCode, KeyEvent event) { 1733 switch (keyCode) { 1734 case KeyEvent.KEYCODE_FOCUS: 1735 if (mFirstTimeInitialized) { 1736 doFocus(false); 1737 } 1738 return true; 1739 } 1740 return super.onKeyUp(keyCode, event); 1741 } 1742 1743 private void doSnap() { 1744 if (collapseCameraControls()) return; 1745 1746 Log.v(TAG, "doSnap: mFocusState=" + mFocusState); 1747 // If the user has half-pressed the shutter and focus is completed, we 1748 // can take the photo right away. If the focus mode is infinity, we can 1749 // also take the photo. 1750 if (mFocusMode.equals(Parameters.FOCUS_MODE_INFINITY) 1751 || mFocusMode.equals(Parameters.FOCUS_MODE_FIXED) 1752 || mFocusMode.equals(Parameters.FOCUS_MODE_EDOF) 1753 || (mFocusState == FOCUS_SUCCESS 1754 || mFocusState == FOCUS_FAIL)) { 1755 mImageCapture.onSnap(); 1756 } else if (mFocusState == FOCUSING) { 1757 // Half pressing the shutter (i.e. the focus button event) will 1758 // already have requested AF for us, so just request capture on 1759 // focus here. 1760 mFocusState = FOCUSING_SNAP_ON_FINISH; 1761 } else if (mFocusState == FOCUS_NOT_STARTED) { 1762 // Focus key down event is dropped for some reasons. Just ignore. 1763 } 1764 } 1765 1766 private void doFocus(boolean pressed) { 1767 // Do the focus if the mode is not infinity. 1768 if (collapseCameraControls()) return; 1769 if (!(mFocusMode.equals(Parameters.FOCUS_MODE_INFINITY) 1770 || mFocusMode.equals(Parameters.FOCUS_MODE_FIXED) 1771 || mFocusMode.equals(Parameters.FOCUS_MODE_EDOF))) { 1772 if (pressed) { // Focus key down. 1773 autoFocus(); 1774 } else { // Focus key up. 1775 cancelAutoFocus(); 1776 } 1777 } 1778 } 1779 1780 public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { 1781 // Make sure we have a surface in the holder before proceeding. 1782 if (holder.getSurface() == null) { 1783 Log.d(TAG, "holder.getSurface() == null"); 1784 return; 1785 } 1786 1787 // We need to save the holder for later use, even when the mCameraDevice 1788 // is null. This could happen if onResume() is invoked after this 1789 // function. 1790 mSurfaceHolder = holder; 1791 1792 // The mCameraDevice will be null if it fails to connect to the camera 1793 // hardware. In this case we will show a dialog and then finish the 1794 // activity, so it's OK to ignore it. 1795 if (mCameraDevice == null) return; 1796 1797 // Sometimes surfaceChanged is called after onPause or before onResume. 1798 // Ignore it. 1799 if (mPausing || isFinishing()) return; 1800 1801 if (mPreviewing && holder.isCreating()) { 1802 // Set preview display if the surface is being created and preview 1803 // was already started. That means preview display was set to null 1804 // and we need to set it now. 1805 setPreviewDisplay(holder); 1806 } else { 1807 // 1. Restart the preview if the size of surface was changed. The 1808 // framework may not support changing preview display on the fly. 1809 // 2. Start the preview now if surface was destroyed and preview 1810 // stopped. 1811 restartPreview(); 1812 } 1813 1814 // If first time initialization is not finished, send a message to do 1815 // it later. We want to finish surfaceChanged as soon as possible to let 1816 // user see preview first. 1817 if (!mFirstTimeInitialized) { 1818 mHandler.sendEmptyMessage(FIRST_TIME_INIT); 1819 } else { 1820 initializeSecondTime(); 1821 } 1822 } 1823 1824 public void surfaceCreated(SurfaceHolder holder) { 1825 } 1826 1827 public void surfaceDestroyed(SurfaceHolder holder) { 1828 stopPreview(); 1829 mSurfaceHolder = null; 1830 } 1831 1832 private void closeCamera() { 1833 if (mCameraDevice != null) { 1834 CameraHolder.instance().release(); 1835 mCameraDevice.setZoomChangeListener(null); 1836 mCameraDevice = null; 1837 mPreviewing = false; 1838 } 1839 } 1840 1841 private void ensureCameraDevice() throws CameraHardwareException { 1842 if (mCameraDevice == null) { 1843 mCameraDevice = CameraHolder.instance().open(mCameraId); 1844 mInitialParams = mCameraDevice.getParameters(); 1845 } 1846 } 1847 1848 private void showCameraErrorAndFinish() { 1849 Resources ress = getResources(); 1850 Util.showFatalErrorAndFinish(Camera.this, 1851 ress.getString(R.string.camera_error_title), 1852 ress.getString(R.string.cannot_connect_camera)); 1853 } 1854 1855 private boolean restartPreview() { 1856 try { 1857 startPreview(); 1858 } catch (CameraHardwareException e) { 1859 showCameraErrorAndFinish(); 1860 return false; 1861 } 1862 return true; 1863 } 1864 1865 private void setPreviewDisplay(SurfaceHolder holder) { 1866 try { 1867 mCameraDevice.setPreviewDisplay(holder); 1868 } catch (Throwable ex) { 1869 closeCamera(); 1870 throw new RuntimeException("setPreviewDisplay failed", ex); 1871 } 1872 } 1873 1874 private void startPreview() throws CameraHardwareException { 1875 if (mPausing || isFinishing()) return; 1876 1877 ensureCameraDevice(); 1878 1879 // If we're previewing already, stop the preview first (this will blank 1880 // the screen). 1881 if (mPreviewing) stopPreview(); 1882 1883 setPreviewDisplay(mSurfaceHolder); 1884 Util.setCameraDisplayOrientation(this, mCameraId, mCameraDevice); 1885 setCameraParameters(UPDATE_PARAM_ALL); 1886 1887 mCameraDevice.setErrorCallback(mErrorCallback); 1888 1889 try { 1890 Log.v(TAG, "startPreview"); 1891 mCameraDevice.startPreview(); 1892 } catch (Throwable ex) { 1893 closeCamera(); 1894 throw new RuntimeException("startPreview failed", ex); 1895 } 1896 mPreviewing = true; 1897 mZoomState = ZOOM_STOPPED; 1898 mStatus = IDLE; 1899 } 1900 1901 private void stopPreview() { 1902 if (mCameraDevice != null && mPreviewing) { 1903 Log.v(TAG, "stopPreview"); 1904 mCameraDevice.stopPreview(); 1905 } 1906 mPreviewing = false; 1907 // If auto focus was in progress, it would have been canceled. 1908 clearFocusState(); 1909 } 1910 1911 private static boolean isSupported(String value, List<String> supported) { 1912 return supported == null ? false : supported.indexOf(value) >= 0; 1913 } 1914 1915 private void updateCameraParametersInitialize() { 1916 // Reset preview frame rate to the maximum because it may be lowered by 1917 // video camera application. 1918 List<Integer> frameRates = mParameters.getSupportedPreviewFrameRates(); 1919 if (frameRates != null) { 1920 Integer max = Collections.max(frameRates); 1921 mParameters.setPreviewFrameRate(max); 1922 } 1923 1924 } 1925 1926 private void updateCameraParametersZoom() { 1927 // Set zoom. 1928 if (mParameters.isZoomSupported()) { 1929 mParameters.setZoom(mZoomValue); 1930 } 1931 } 1932 1933 private void updateCameraParametersPreference() { 1934 // Set picture size. 1935 String pictureSize = mPreferences.getString( 1936 CameraSettings.KEY_PICTURE_SIZE, null); 1937 if (pictureSize == null) { 1938 CameraSettings.initialCameraPictureSize(this, mParameters); 1939 } else { 1940 List<Size> supported = mParameters.getSupportedPictureSizes(); 1941 CameraSettings.setCameraPictureSize( 1942 pictureSize, supported, mParameters); 1943 } 1944 1945 // Set the preview frame aspect ratio according to the picture size. 1946 Size size = mParameters.getPictureSize(); 1947 PreviewFrameLayout frameLayout = 1948 (PreviewFrameLayout) findViewById(R.id.frame_layout); 1949 frameLayout.setAspectRatio((double) size.width / size.height); 1950 1951 // Set a preview size that is closest to the viewfinder height and has 1952 // the right aspect ratio. 1953 List<Size> sizes = mParameters.getSupportedPreviewSizes(); 1954 Size optimalSize = Util.getOptimalPreviewSize(this, 1955 sizes, (double) size.width / size.height); 1956 if (optimalSize != null) { 1957 Size original = mParameters.getPreviewSize(); 1958 if (!original.equals(optimalSize)) { 1959 mParameters.setPreviewSize(optimalSize.width, optimalSize.height); 1960 1961 // Zoom related settings will be changed for different preview 1962 // sizes, so set and read the parameters to get lastest values 1963 mCameraDevice.setParameters(mParameters); 1964 mParameters = mCameraDevice.getParameters(); 1965 } 1966 } 1967 1968 // Since change scene mode may change supported values, 1969 // Set scene mode first, 1970 mSceneMode = mPreferences.getString( 1971 CameraSettings.KEY_SCENE_MODE, 1972 getString(R.string.pref_camera_scenemode_default)); 1973 if (isSupported(mSceneMode, mParameters.getSupportedSceneModes())) { 1974 if (!mParameters.getSceneMode().equals(mSceneMode)) { 1975 mParameters.setSceneMode(mSceneMode); 1976 mCameraDevice.setParameters(mParameters); 1977 1978 // Setting scene mode will change the settings of flash mode, 1979 // white balance, and focus mode. Here we read back the 1980 // parameters, so we can know those settings. 1981 mParameters = mCameraDevice.getParameters(); 1982 } 1983 } else { 1984 mSceneMode = mParameters.getSceneMode(); 1985 if (mSceneMode == null) { 1986 mSceneMode = Parameters.SCENE_MODE_AUTO; 1987 } 1988 } 1989 1990 // Set JPEG quality. 1991 String jpegQuality = mPreferences.getString( 1992 CameraSettings.KEY_JPEG_QUALITY, 1993 getString(R.string.pref_camera_jpegquality_default)); 1994 mParameters.setJpegQuality(JpegEncodingQualityMappings.getQualityNumber(jpegQuality)); 1995 1996 // For the following settings, we need to check if the settings are 1997 // still supported by latest driver, if not, ignore the settings. 1998 1999 // Set color effect parameter. 2000 String colorEffect = mPreferences.getString( 2001 CameraSettings.KEY_COLOR_EFFECT, 2002 getString(R.string.pref_camera_coloreffect_default)); 2003 if (isSupported(colorEffect, mParameters.getSupportedColorEffects())) { 2004 mParameters.setColorEffect(colorEffect); 2005 } 2006 2007 // Set exposure compensation 2008 String exposure = mPreferences.getString( 2009 CameraSettings.KEY_EXPOSURE, 2010 getString(R.string.pref_exposure_default)); 2011 try { 2012 int value = Integer.parseInt(exposure); 2013 int max = mParameters.getMaxExposureCompensation(); 2014 int min = mParameters.getMinExposureCompensation(); 2015 if (value >= min && value <= max) { 2016 mParameters.setExposureCompensation(value); 2017 } else { 2018 Log.w(TAG, "invalid exposure range: " + exposure); 2019 } 2020 } catch (NumberFormatException e) { 2021 Log.w(TAG, "invalid exposure: " + exposure); 2022 } 2023 2024 if (mHeadUpDisplay != null) updateSceneModeInHud(); 2025 // TODO: update icons on control panel. 2026 2027 if (Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 2028 // Set flash mode. 2029 String flashMode = mPreferences.getString( 2030 CameraSettings.KEY_FLASH_MODE, 2031 getString(R.string.pref_camera_flashmode_default)); 2032 List<String> supportedFlash = mParameters.getSupportedFlashModes(); 2033 if (isSupported(flashMode, supportedFlash)) { 2034 mParameters.setFlashMode(flashMode); 2035 } else { 2036 flashMode = mParameters.getFlashMode(); 2037 if (flashMode == null) { 2038 flashMode = getString( 2039 R.string.pref_camera_flashmode_no_flash); 2040 } 2041 } 2042 2043 // Set white balance parameter. 2044 String whiteBalance = mPreferences.getString( 2045 CameraSettings.KEY_WHITE_BALANCE, 2046 getString(R.string.pref_camera_whitebalance_default)); 2047 if (isSupported(whiteBalance, 2048 mParameters.getSupportedWhiteBalance())) { 2049 mParameters.setWhiteBalance(whiteBalance); 2050 } else { 2051 whiteBalance = mParameters.getWhiteBalance(); 2052 if (whiteBalance == null) { 2053 whiteBalance = Parameters.WHITE_BALANCE_AUTO; 2054 } 2055 } 2056 2057 // Set focus mode. 2058 mFocusMode = mPreferences.getString( 2059 CameraSettings.KEY_FOCUS_MODE, 2060 getString(R.string.pref_camera_focusmode_default)); 2061 if (isSupported(mFocusMode, mParameters.getSupportedFocusModes())) { 2062 mParameters.setFocusMode(mFocusMode); 2063 } else { 2064 mFocusMode = mParameters.getFocusMode(); 2065 if (mFocusMode == null) { 2066 mFocusMode = Parameters.FOCUS_MODE_AUTO; 2067 } 2068 } 2069 } else { 2070 mFocusMode = mParameters.getFocusMode(); 2071 } 2072 } 2073 2074 // We separate the parameters into several subsets, so we can update only 2075 // the subsets actually need updating. The PREFERENCE set needs extra 2076 // locking because the preference can be changed from GLThread as well. 2077 private void setCameraParameters(int updateSet) { 2078 mParameters = mCameraDevice.getParameters(); 2079 2080 if ((updateSet & UPDATE_PARAM_INITIALIZE) != 0) { 2081 updateCameraParametersInitialize(); 2082 } 2083 2084 if ((updateSet & UPDATE_PARAM_ZOOM) != 0) { 2085 updateCameraParametersZoom(); 2086 } 2087 2088 if ((updateSet & UPDATE_PARAM_PREFERENCE) != 0) { 2089 updateCameraParametersPreference(); 2090 } 2091 2092 mCameraDevice.setParameters(mParameters); 2093 } 2094 2095 // If the Camera is idle, update the parameters immediately, otherwise 2096 // accumulate them in mUpdateSet and update later. 2097 private void setCameraParametersWhenIdle(int additionalUpdateSet) { 2098 mUpdateSet |= additionalUpdateSet; 2099 if (mCameraDevice == null) { 2100 // We will update all the parameters when we open the device, so 2101 // we don't need to do anything now. 2102 mUpdateSet = 0; 2103 return; 2104 } else if (isCameraIdle()) { 2105 setCameraParameters(mUpdateSet); 2106 mUpdateSet = 0; 2107 } else { 2108 if (!mHandler.hasMessages(SET_CAMERA_PARAMETERS_WHEN_IDLE)) { 2109 mHandler.sendEmptyMessageDelayed( 2110 SET_CAMERA_PARAMETERS_WHEN_IDLE, 1000); 2111 } 2112 } 2113 } 2114 2115 private void gotoGallery() { 2116 MenuHelper.gotoCameraImageGallery(this); 2117 } 2118 2119 private void viewImage(RotateImageView view) { 2120 if(!view.isUriValid()) { 2121 Log.e(TAG, "Uri invalid. uri=" + view.getUri()); 2122 return; 2123 } 2124 2125 try { 2126 startActivity(new Intent( 2127 Util.REVIEW_ACTION, view.getUri())); 2128 } catch (ActivityNotFoundException ex) { 2129 try { 2130 startActivity(new Intent( 2131 Intent.ACTION_VIEW, view.getUri())); 2132 } catch (ActivityNotFoundException e) { 2133 Log.e(TAG, "review image fail. uri=" + view.getUri(), e); 2134 } 2135 } 2136 } 2137 2138 private void startReceivingLocationUpdates() { 2139 if (mLocationManager != null) { 2140 try { 2141 mLocationManager.requestLocationUpdates( 2142 LocationManager.NETWORK_PROVIDER, 2143 1000, 2144 0F, 2145 mLocationListeners[1]); 2146 } catch (java.lang.SecurityException ex) { 2147 Log.i(TAG, "fail to request location update, ignore", ex); 2148 } catch (IllegalArgumentException ex) { 2149 Log.d(TAG, "provider does not exist " + ex.getMessage()); 2150 } 2151 try { 2152 mLocationManager.requestLocationUpdates( 2153 LocationManager.GPS_PROVIDER, 2154 1000, 2155 0F, 2156 mLocationListeners[0]); 2157 showGpsOnScreenIndicator(false); 2158 } catch (java.lang.SecurityException ex) { 2159 Log.i(TAG, "fail to request location update, ignore", ex); 2160 } catch (IllegalArgumentException ex) { 2161 Log.d(TAG, "provider does not exist " + ex.getMessage()); 2162 } 2163 } 2164 } 2165 2166 private void stopReceivingLocationUpdates() { 2167 if (mLocationManager != null) { 2168 for (int i = 0; i < mLocationListeners.length; i++) { 2169 try { 2170 mLocationManager.removeUpdates(mLocationListeners[i]); 2171 } catch (Exception ex) { 2172 Log.i(TAG, "fail to remove location listners, ignore", ex); 2173 } 2174 } 2175 } 2176 hideGpsOnScreenIndicator(); 2177 } 2178 2179 private Location getCurrentLocation() { 2180 // go in best to worst order 2181 for (int i = 0; i < mLocationListeners.length; i++) { 2182 Location l = mLocationListeners[i].current(); 2183 if (l != null) return l; 2184 } 2185 return null; 2186 } 2187 2188 private boolean isCameraIdle() { 2189 return mStatus == IDLE && mFocusState == FOCUS_NOT_STARTED; 2190 } 2191 2192 private boolean isImageCaptureIntent() { 2193 String action = getIntent().getAction(); 2194 return (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)); 2195 } 2196 2197 private void setupCaptureParams() { 2198 Bundle myExtras = getIntent().getExtras(); 2199 if (myExtras != null) { 2200 mSaveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 2201 mCropValue = myExtras.getString("crop"); 2202 } 2203 } 2204 2205 private void showPostCaptureAlert() { 2206 if (mIsImageCaptureIntent) { 2207 findViewById(R.id.shutter_button).setVisibility(View.INVISIBLE); 2208 int[] pickIds = {R.id.btn_retake, R.id.btn_done}; 2209 for (int id : pickIds) { 2210 View button = findViewById(id); 2211 ((View) button.getParent()).setVisibility(View.VISIBLE); 2212 } 2213 } 2214 } 2215 2216 private void hidePostCaptureAlert() { 2217 if (mIsImageCaptureIntent) { 2218 findViewById(R.id.shutter_button).setVisibility(View.VISIBLE); 2219 int[] pickIds = {R.id.btn_retake, R.id.btn_done}; 2220 for (int id : pickIds) { 2221 View button = findViewById(id); 2222 ((View) button.getParent()).setVisibility(View.GONE); 2223 } 2224 } 2225 } 2226 2227 private int calculatePicturesRemaining() { 2228 mPicturesRemaining = MenuHelper.calculatePicturesRemaining(); 2229 return mPicturesRemaining; 2230 } 2231 2232 @Override 2233 public boolean onPrepareOptionsMenu(Menu menu) { 2234 super.onPrepareOptionsMenu(menu); 2235 // Only show the menu when camera is idle. 2236 for (int i = 0; i < menu.size(); i++) { 2237 menu.getItem(i).setVisible(isCameraIdle()); 2238 } 2239 2240 return true; 2241 } 2242 2243 @Override 2244 public boolean onCreateOptionsMenu(Menu menu) { 2245 super.onCreateOptionsMenu(menu); 2246 2247 if (mIsImageCaptureIntent) { 2248 // No options menu for attach mode. 2249 return false; 2250 } else { 2251 addBaseMenuItems(menu); 2252 } 2253 return true; 2254 } 2255 2256 private void addBaseMenuItems(Menu menu) { 2257 MenuHelper.addSwitchModeMenuItem(menu, true, new Runnable() { 2258 public void run() { 2259 switchToVideoMode(); 2260 } 2261 }); 2262 MenuItem gallery = menu.add(Menu.NONE, Menu.NONE, 2263 MenuHelper.POSITION_GOTO_GALLERY, 2264 R.string.camera_gallery_photos_text) 2265 .setOnMenuItemClickListener(new OnMenuItemClickListener() { 2266 public boolean onMenuItemClick(MenuItem item) { 2267 gotoGallery(); 2268 return true; 2269 } 2270 }); 2271 gallery.setIcon(android.R.drawable.ic_menu_gallery); 2272 mGalleryItems.add(gallery); 2273 2274 if (mNumberOfCameras > 1) { 2275 menu.add(Menu.NONE, Menu.NONE, 2276 MenuHelper.POSITION_SWITCH_CAMERA_ID, 2277 R.string.switch_camera_id) 2278 .setOnMenuItemClickListener(new OnMenuItemClickListener() { 2279 public boolean onMenuItemClick(MenuItem item) { 2280 switchCameraId((mCameraId + 1) % mNumberOfCameras); 2281 return true; 2282 } 2283 }).setIcon(android.R.drawable.ic_menu_camera); 2284 } 2285 } 2286 2287 private void switchCameraId(int cameraId) { 2288 if (mPausing || !isCameraIdle()) return; 2289 mCameraId = cameraId; 2290 CameraSettings.writePreferredCameraId(mPreferences, cameraId); 2291 2292 stopPreview(); 2293 closeCamera(); 2294 2295 // Remove the messages in the event queue. 2296 mHandler.removeMessages(RESTART_PREVIEW); 2297 2298 // Reset variables 2299 mJpegPictureCallbackTime = 0; 2300 mZoomValue = 0; 2301 2302 // Reload the preferences. 2303 mPreferences.setLocalId(this, mCameraId); 2304 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 2305 2306 // Restart the preview. 2307 resetExposureCompensation(); 2308 if (!restartPreview()) return; 2309 2310 initializeZoom(); 2311 2312 // Reload the UI. 2313 if (mFirstTimeInitialized) { 2314 initializeHeadUpDisplay(); 2315 } 2316 initializeControlPanel(); 2317 } 2318 2319 private boolean switchToVideoMode() { 2320 if (isFinishing() || !isCameraIdle()) return false; 2321 MenuHelper.gotoVideoMode(this); 2322 mHandler.removeMessages(FIRST_TIME_INIT); 2323 finish(); 2324 return true; 2325 } 2326 2327 public boolean onSwitchChanged(Switcher source, boolean onOff) { 2328 if (onOff == SWITCH_VIDEO) { 2329 return switchToVideoMode(); 2330 } else { 2331 return true; 2332 } 2333 } 2334 2335 private void onSharedPreferenceChanged() { 2336 // ignore the events after "onPause()" 2337 if (mPausing) return; 2338 2339 boolean recordLocation; 2340 2341 recordLocation = RecordLocationPreference.get( 2342 mPreferences, getContentResolver()); 2343 2344 if (mRecordLocation != recordLocation) { 2345 mRecordLocation = recordLocation; 2346 if (mRecordLocation) { 2347 startReceivingLocationUpdates(); 2348 } else { 2349 stopReceivingLocationUpdates(); 2350 } 2351 } 2352 int cameraId = CameraSettings.readPreferredCameraId(mPreferences); 2353 if (mCameraId != cameraId) { 2354 switchCameraId(cameraId); 2355 } else { 2356 setCameraParametersWhenIdle(UPDATE_PARAM_PREFERENCE); 2357 } 2358 } 2359 2360 @Override 2361 public void onUserInteraction() { 2362 super.onUserInteraction(); 2363 keepScreenOnAwhile(); 2364 } 2365 2366 private void resetScreenOn() { 2367 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 2368 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2369 } 2370 2371 private void keepScreenOnAwhile() { 2372 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 2373 getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2374 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 2375 } 2376 2377 private class MyHeadUpDisplayListener implements HeadUpDisplay.Listener { 2378 2379 public void onSharedPreferenceChanged() { 2380 Camera.this.onSharedPreferenceChanged(); 2381 } 2382 2383 public void onRestorePreferencesClicked() { 2384 Camera.this.onRestorePreferencesClicked(); 2385 } 2386 2387 public void onPopupWindowVisibilityChanged(int visibility) { 2388 } 2389 } 2390 2391 protected void onRestorePreferencesClicked() { 2392 if (mPausing) return; 2393 Runnable runnable = new Runnable() { 2394 public void run() { 2395 if (mHeadUpDisplay != null) { 2396 mHeadUpDisplay.restorePreferences(mParameters); 2397 } 2398 } 2399 }; 2400 MenuHelper.confirmAction(this, 2401 getString(R.string.confirm_restore_title), 2402 getString(R.string.confirm_restore_message), 2403 runnable); 2404 } 2405 2406 private class MyControlPanelListener implements ControlPanel.Listener { 2407 public void onSharedPreferenceChanged() { 2408 Camera.this.onSharedPreferenceChanged(); 2409 } 2410 } 2411} 2412 2413class FocusRectangle extends View { 2414 2415 @SuppressWarnings("unused") 2416 private static final String TAG = "FocusRectangle"; 2417 2418 public FocusRectangle(Context context, AttributeSet attrs) { 2419 super(context, attrs); 2420 } 2421 2422 private void setDrawable(int resid) { 2423 setBackgroundDrawable(getResources().getDrawable(resid)); 2424 } 2425 2426 public void showStart() { 2427 setDrawable(R.drawable.focus_focusing); 2428 } 2429 2430 public void showSuccess() { 2431 setDrawable(R.drawable.focus_focused); 2432 } 2433 2434 public void showFail() { 2435 setDrawable(R.drawable.focus_focus_failed); 2436 } 2437 2438 public void clear() { 2439 setBackgroundDrawable(null); 2440 } 2441} 2442 2443/* 2444 * Provide a mapping for Jpeg encoding quality levels 2445 * from String representation to numeric representation. 2446 */ 2447class JpegEncodingQualityMappings { 2448 private static final String TAG = "JpegEncodingQualityMappings"; 2449 private static final int DEFAULT_QUALITY = 85; 2450 private static HashMap<String, Integer> mHashMap = 2451 new HashMap<String, Integer>(); 2452 2453 static { 2454 mHashMap.put("normal", CameraProfile.QUALITY_LOW); 2455 mHashMap.put("fine", CameraProfile.QUALITY_MEDIUM); 2456 mHashMap.put("superfine", CameraProfile.QUALITY_HIGH); 2457 } 2458 2459 // Retrieve and return the Jpeg encoding quality number 2460 // for the given quality level. 2461 public static int getQualityNumber(String jpegQuality) { 2462 Integer quality = mHashMap.get(jpegQuality); 2463 if (quality == null) { 2464 Log.w(TAG, "Unknown Jpeg quality: " + jpegQuality); 2465 return DEFAULT_QUALITY; 2466 } 2467 return CameraProfile.getJpegEncodingQualityParameter(quality.intValue()); 2468 } 2469} 2470