Camera.java revision 1f09dac3d664734d099765783dae1233ef023226
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.BasicSettingPicker; 22import com.android.camera.ui.CameraHeadUpDisplay; 23import com.android.camera.ui.GLRootView; 24import com.android.camera.ui.HeadUpDisplay; 25import com.android.camera.ui.ControlPanel; 26import com.android.camera.ui.ZoomControllerListener; 27import com.android.camera.ui.ZoomPicker; 28 29import android.app.Activity; 30import android.content.ActivityNotFoundException; 31import android.content.BroadcastReceiver; 32import android.content.ContentProviderClient; 33import android.content.ContentResolver; 34import android.content.Context; 35import android.content.Intent; 36import android.content.IntentFilter; 37import android.content.SharedPreferences.Editor; 38import android.content.res.Configuration; 39import android.content.res.Resources; 40import android.database.Cursor; 41import android.graphics.Bitmap; 42import android.graphics.BitmapFactory; 43import android.hardware.Camera.CameraInfo; 44import android.hardware.Camera.Parameters; 45import android.hardware.Camera.PictureCallback; 46import android.hardware.Camera.Size; 47import android.location.Location; 48import android.location.LocationManager; 49import android.location.LocationProvider; 50import android.media.AudioManager; 51import android.media.CameraProfile; 52import android.media.ToneGenerator; 53import android.net.Uri; 54import android.os.Build; 55import android.os.Bundle; 56import android.os.Environment; 57import android.os.Handler; 58import android.os.Looper; 59import android.os.Message; 60import android.os.MessageQueue; 61import android.provider.MediaStore; 62import android.provider.Settings; 63import android.provider.MediaStore.Images.ImageColumns; 64import android.provider.MediaStore.Images.Media; 65import android.util.AttributeSet; 66import android.util.Log; 67import android.view.GestureDetector; 68import android.view.KeyEvent; 69import android.view.LayoutInflater; 70import android.view.Menu; 71import android.view.MenuItem; 72import android.view.MotionEvent; 73import android.view.OrientationEventListener; 74import android.view.SurfaceHolder; 75import android.view.SurfaceView; 76import android.view.View; 77import android.view.ViewGroup; 78import android.view.ViewStub; 79import android.view.Window; 80import android.view.WindowManager; 81import android.view.MenuItem.OnMenuItemClickListener; 82import android.widget.AdapterView; 83import android.widget.AdapterView.OnItemClickListener; 84import android.widget.Button; 85import android.widget.CursorAdapter; 86import android.widget.ListView; 87 88import java.io.File; 89import java.io.FileNotFoundException; 90import java.io.FileOutputStream; 91import java.io.IOException; 92import java.io.OutputStream; 93import java.text.SimpleDateFormat; 94import java.util.ArrayList; 95import java.util.Collections; 96import java.util.Date; 97import java.util.HashMap; 98import java.util.List; 99 100/** The Camera activity which can preview and take pictures. */ 101public class Camera extends NoSearchActivity implements View.OnClickListener, 102 ShutterButton.OnShutterButtonListener, SurfaceHolder.Callback, 103 Switcher.OnSwitchListener { 104 105 private static final String TAG = "camera"; 106 107 private static final int CROP_MSG = 1; 108 private static final int FIRST_TIME_INIT = 2; 109 private static final int RESTART_PREVIEW = 3; 110 private static final int CLEAR_SCREEN_DELAY = 4; 111 private static final int SET_CAMERA_PARAMETERS_WHEN_IDLE = 5; 112 113 // The subset of parameters we need to update in setCameraParameters(). 114 private static final int UPDATE_PARAM_INITIALIZE = 1; 115 private static final int UPDATE_PARAM_ZOOM = 2; 116 private static final int UPDATE_PARAM_PREFERENCE = 4; 117 private static final int UPDATE_PARAM_ALL = -1; 118 119 // When setCameraParametersWhenIdle() is called, we accumulate the subsets 120 // needed to be updated in mUpdateSet. 121 private int mUpdateSet; 122 123 // The brightness settings used when it is set to automatic in the system. 124 // The reason why it is set to 0.7 is just because 1.0 is too bright. 125 private static final float DEFAULT_CAMERA_BRIGHTNESS = 0.7f; 126 127 private static final int SCREEN_DELAY = 2 * 60 * 1000; 128 private static final int FOCUS_BEEP_VOLUME = 100; 129 130 private static final int ZOOM_STOPPED = 0; 131 private static final int ZOOM_START = 1; 132 private static final int ZOOM_STOPPING = 2; 133 134 private int mZoomState = ZOOM_STOPPED; 135 private boolean mSmoothZoomSupported = false; 136 private int mZoomValue; // The current zoom value. 137 private int mZoomMax; 138 private int mTargetZoomValue; 139 private ZoomPicker mZoomPicker; 140 141 private Parameters mParameters; 142 private Parameters mInitialParams; 143 144 private MyOrientationEventListener mOrientationListener; 145 // The device orientation in degrees. Default is unknown. 146 private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; 147 // The orientation compensation for icons and thumbnails. 148 private int mOrientationCompensation = 0; 149 private ComboPreferences mPreferences; 150 151 private static final int IDLE = 1; 152 private static final int SNAPSHOT_IN_PROGRESS = 2; 153 154 private static final boolean SWITCH_CAMERA = true; 155 private static final boolean SWITCH_VIDEO = false; 156 157 private int mStatus = IDLE; 158 private static final String sTempCropFilename = "crop-temp"; 159 160 private android.hardware.Camera mCameraDevice; 161 private ContentProviderClient mMediaProviderClient; 162 private SurfaceView mSurfaceView; 163 private SurfaceHolder mSurfaceHolder = null; 164 private ShutterButton mShutterButton; 165 private FocusRectangle mFocusRectangle; 166 private ToneGenerator mFocusToneGenerator; 167 private GestureDetector mGestureDetector; 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 LayoutInflater inflater = getLayoutInflater(); 446 Button b = new Button(this); 447 ListView.LayoutParams params = new ListView.LayoutParams(width, width); 448 b.setId(R.id.btn_gallery); 449 b.setLayoutParams(params); 450 b.setOnClickListener(this); 451 b.setBackgroundResource(R.drawable.ic_menu_gallery); 452 mThumbnailList.addHeaderView(b); 453 } 454 455 // Set data adapter. 456 int thumbnailCount = (height + mThumbnailList.getDividerHeight()) 457 / (width + mThumbnailList.getDividerHeight()) - 1; 458 Cursor cursor = getThumbnailsCursor(thumbnailCount); 459 mThumbnailAdapter = new ThumbnailAdapter( 460 getApplicationContext(), R.layout.thumbnail_item, cursor, true); 461 mThumbnailList.setAdapter(mThumbnailAdapter); 462 mThumbnailList.setOnItemClickListener(mThumbnailItemClickListener); 463 } 464 465 private void updateThumbnailList() { 466 if (mThumbnailList == null) return; 467 mThumbnailAdapter.getCursor().requery(); 468 mThumbnailAdapter.notifyDataSetChanged(); 469 } 470 471 private Cursor getThumbnailsCursor(int thumbnailCount) { 472 Log.v(TAG, "thumbnailCount=" + thumbnailCount); 473 String[] projections = { MediaStore.Images.Thumbnails._ID }; 474 Uri uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI 475 .buildUpon() 476 .appendQueryParameter("limit", String.valueOf(thumbnailCount)) 477 .build(); 478 // TODO: managedQuery is deprecated. 479 return managedQuery(uri, projections, 480 Media.MIME_TYPE + " = 'image/jpeg' AND " + Media.BUCKET_ID + " = ?", 481 new String[] {ImageManager.CAMERA_IMAGE_BUCKET_ID}, 482 ImageColumns._ID + " DESC"); 483 } 484 485 // If the activity is paused and resumed, this method will be called in 486 // onResume. 487 private void initializeSecondTime() { 488 // Start orientation listener as soon as possible because it takes 489 // some time to get first orientation. 490 mOrientationListener.enable(); 491 492 // Start location update if needed. 493 mRecordLocation = RecordLocationPreference.get( 494 mPreferences, getContentResolver()); 495 if (mRecordLocation) startReceivingLocationUpdates(); 496 497 installIntentFilter(); 498 initializeFocusTone(); 499 initializeZoom(); 500 changeHeadUpDisplayState(); 501 502 keepMediaProviderInstance(); 503 checkStorage(); 504 505 if (!mIsImageCaptureIntent) { 506 updateThumbnailButton(); 507 } 508 } 509 510 private void initializeZoom() { 511 if (!mParameters.isZoomSupported()) return; 512 513 mZoomMax = mParameters.getMaxZoom(); 514 mSmoothZoomSupported = mParameters.isSmoothZoomSupported(); 515 mGestureDetector = new GestureDetector(this, new ZoomGestureListener()); 516 if (mZoomPicker != null) { 517 mZoomPicker.setZoomRatios(getZoomRatios()); 518 mZoomPicker.setOnZoomChangeListener( 519 new ZoomPicker.OnZoomChangedListener() { 520 public void onZoomChanged(int index) { 521 onZoomValueChanged(index); 522 } 523 }); 524 } 525 526 mCameraDevice.setZoomChangeListener(mZoomListener); 527 } 528 529 private void onZoomValueChanged(int index) { 530 if (mSmoothZoomSupported) { 531 if (mTargetZoomValue != index && mZoomState != ZOOM_STOPPED) { 532 mTargetZoomValue = index; 533 if (mZoomState == ZOOM_START) { 534 mZoomState = ZOOM_STOPPING; 535 mCameraDevice.stopSmoothZoom(); 536 } 537 } else if (mZoomState == ZOOM_STOPPED && mZoomValue != index) { 538 mTargetZoomValue = index; 539 mCameraDevice.startSmoothZoom(index); 540 mZoomState = ZOOM_START; 541 } 542 } else { 543 mZoomValue = index; 544 setCameraParametersWhenIdle(UPDATE_PARAM_ZOOM); 545 } 546 } 547 548 private float[] getZoomRatios() { 549 if(!mParameters.isZoomSupported()) return null; 550 List<Integer> zoomRatios = mParameters.getZoomRatios(); 551 float result[] = new float[zoomRatios.size()]; 552 for (int i = 0, n = result.length; i < n; ++i) { 553 result[i] = (float) zoomRatios.get(i) / 100f; 554 } 555 return result; 556 } 557 558 private class ZoomGestureListener extends 559 GestureDetector.SimpleOnGestureListener { 560 561 @Override 562 public boolean onDoubleTap(MotionEvent e) { 563 // Perform zoom only when preview is started and snapshot is not in 564 // progress. 565 if (mPausing || !isCameraIdle() || !mPreviewing 566 || mZoomState != ZOOM_STOPPED) { 567 return false; 568 } 569 570 int x = Math.round(e.getX()); 571 int y = Math.round(e.getY()); 572 if (x < mSurfaceView.getLeft() || x > mSurfaceView.getRight() 573 || y < mSurfaceView.getTop() || y > mSurfaceView.getBottom()) { 574 return false; 575 } 576 577 if (mZoomValue < mZoomMax) { 578 // Zoom in to the maximum. 579 mZoomValue = mZoomMax; 580 } else { 581 mZoomValue = 0; 582 } 583 584 setCameraParametersWhenIdle(UPDATE_PARAM_ZOOM); 585 586 if (mZoomPicker != null) { 587 mZoomPicker.setZoomIndex(mZoomValue); 588 } else { 589 mHeadUpDisplay.setZoomIndex(mZoomValue); 590 } 591 return true; 592 } 593 } 594 595 @Override 596 public boolean dispatchTouchEvent(MotionEvent m) { 597 if (!super.dispatchTouchEvent(m) && mGestureDetector != null) { 598 return mGestureDetector.onTouchEvent(m); 599 } 600 return true; 601 } 602 603 LocationListener [] mLocationListeners = new LocationListener[] { 604 new LocationListener(LocationManager.GPS_PROVIDER), 605 new LocationListener(LocationManager.NETWORK_PROVIDER) 606 }; 607 608 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 609 @Override 610 public void onReceive(Context context, Intent intent) { 611 String action = intent.getAction(); 612 if (action.equals(Intent.ACTION_MEDIA_MOUNTED) 613 || action.equals(Intent.ACTION_MEDIA_UNMOUNTED) 614 || action.equals(Intent.ACTION_MEDIA_CHECKING)) { 615 checkStorage(); 616 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) { 617 checkStorage(); 618 if (!mIsImageCaptureIntent) { 619 updateThumbnailButton(); 620 updateThumbnailList(); 621 } 622 } 623 } 624 }; 625 626 private void initGpsOnScreenIndicator() { 627 mGpsNoSignalView = findViewById(R.id.onscreen_gps_indicator_no_signal); 628 mGpsHasSignalView = findViewById(R.id.onscreen_gps_indicator_on); 629 } 630 631 private void showGpsOnScreenIndicator(boolean hasSignal) { 632 if (hasSignal) { 633 if (mGpsNoSignalView != null) mGpsNoSignalView.setVisibility(View.INVISIBLE); 634 if (mGpsHasSignalView != null) mGpsHasSignalView.setVisibility(View.VISIBLE); 635 } else { 636 if (mGpsNoSignalView != null) mGpsNoSignalView.setVisibility(View.VISIBLE); 637 if (mGpsHasSignalView != null) mGpsHasSignalView.setVisibility(View.INVISIBLE); 638 } 639 } 640 641 private void hideGpsOnScreenIndicator() { 642 if (mGpsNoSignalView != null) mGpsNoSignalView.setVisibility(View.INVISIBLE); 643 if (mGpsHasSignalView != null) mGpsHasSignalView.setVisibility(View.INVISIBLE); 644 } 645 646 private class LocationListener 647 implements android.location.LocationListener { 648 Location mLastLocation; 649 boolean mValid = false; 650 String mProvider; 651 652 public LocationListener(String provider) { 653 mProvider = provider; 654 mLastLocation = new Location(mProvider); 655 } 656 657 public void onLocationChanged(Location newLocation) { 658 if (newLocation.getLatitude() == 0.0 659 && newLocation.getLongitude() == 0.0) { 660 // Hack to filter out 0.0,0.0 locations 661 return; 662 } 663 // If GPS is available before start camera, we won't get status 664 // update so update GPS indicator when we receive data. 665 if (mRecordLocation 666 && LocationManager.GPS_PROVIDER.equals(mProvider)) { 667 if (mHeadUpDisplay != null) { 668 mHeadUpDisplay.setGpsHasSignal(true); 669 } 670 showGpsOnScreenIndicator(true); 671 } 672 mLastLocation.set(newLocation); 673 mValid = true; 674 } 675 676 public void onProviderEnabled(String provider) { 677 } 678 679 public void onProviderDisabled(String provider) { 680 mValid = false; 681 } 682 683 public void onStatusChanged( 684 String provider, int status, Bundle extras) { 685 switch(status) { 686 case LocationProvider.OUT_OF_SERVICE: 687 case LocationProvider.TEMPORARILY_UNAVAILABLE: { 688 mValid = false; 689 if (mRecordLocation && 690 LocationManager.GPS_PROVIDER.equals(provider)) { 691 if (mHeadUpDisplay != null) { 692 mHeadUpDisplay.setGpsHasSignal(false); 693 } 694 showGpsOnScreenIndicator(false); 695 } 696 break; 697 } 698 } 699 } 700 701 public Location current() { 702 return mValid ? mLastLocation : null; 703 } 704 } 705 706 private final class ShutterCallback 707 implements android.hardware.Camera.ShutterCallback { 708 public void onShutter() { 709 mShutterCallbackTime = System.currentTimeMillis(); 710 mShutterLag = mShutterCallbackTime - mCaptureStartTime; 711 Log.v(TAG, "mShutterLag = " + mShutterLag + "ms"); 712 clearFocusState(); 713 } 714 } 715 716 private final class PostViewPictureCallback implements PictureCallback { 717 public void onPictureTaken( 718 byte [] data, android.hardware.Camera camera) { 719 mPostViewPictureCallbackTime = System.currentTimeMillis(); 720 Log.v(TAG, "mShutterToPostViewCallbackTime = " 721 + (mPostViewPictureCallbackTime - mShutterCallbackTime) 722 + "ms"); 723 } 724 } 725 726 private final class RawPictureCallback implements PictureCallback { 727 public void onPictureTaken( 728 byte [] rawData, android.hardware.Camera camera) { 729 mRawPictureCallbackTime = System.currentTimeMillis(); 730 Log.v(TAG, "mShutterToRawCallbackTime = " 731 + (mRawPictureCallbackTime - mShutterCallbackTime) + "ms"); 732 } 733 } 734 735 private final class JpegPictureCallback implements PictureCallback { 736 Location mLocation; 737 738 public JpegPictureCallback(Location loc) { 739 mLocation = loc; 740 } 741 742 public void onPictureTaken( 743 final byte [] jpegData, final android.hardware.Camera camera) { 744 if (mPausing) { 745 return; 746 } 747 748 mJpegPictureCallbackTime = System.currentTimeMillis(); 749 // If postview callback has arrived, the captured image is displayed 750 // in postview callback. If not, the captured image is displayed in 751 // raw picture callback. 752 if (mPostViewPictureCallbackTime != 0) { 753 mShutterToPictureDisplayedTime = 754 mPostViewPictureCallbackTime - mShutterCallbackTime; 755 mPictureDisplayedToJpegCallbackTime = 756 mJpegPictureCallbackTime - mPostViewPictureCallbackTime; 757 } else { 758 mShutterToPictureDisplayedTime = 759 mRawPictureCallbackTime - mShutterCallbackTime; 760 mPictureDisplayedToJpegCallbackTime = 761 mJpegPictureCallbackTime - mRawPictureCallbackTime; 762 } 763 Log.v(TAG, "mPictureDisplayedToJpegCallbackTime = " 764 + mPictureDisplayedToJpegCallbackTime + "ms"); 765 enableCameraControls(true); 766 767 if (!mIsImageCaptureIntent) { 768 // We want to show the taken picture for a while, so we wait 769 // for at least 1.2 second before restarting the preview. 770 long delay = 1200 - mPictureDisplayedToJpegCallbackTime; 771 if (delay < 0) { 772 restartPreview(); 773 } else { 774 mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, delay); 775 } 776 } 777 mImageCapture.storeImage(jpegData, camera, mLocation); 778 779 // Calculate this in advance of each shot so we don't add to shutter 780 // latency. It's true that someone else could write to the SD card in 781 // the mean time and fill it, but that could have happened between the 782 // shutter press and saving the JPEG too. 783 calculatePicturesRemaining(); 784 785 if (mPicturesRemaining < 1) { 786 updateStorageHint(mPicturesRemaining); 787 } 788 789 if (!mHandler.hasMessages(RESTART_PREVIEW)) { 790 long now = System.currentTimeMillis(); 791 mJpegCallbackFinishTime = now - mJpegPictureCallbackTime; 792 Log.v(TAG, "mJpegCallbackFinishTime = " 793 + mJpegCallbackFinishTime + "ms"); 794 mJpegPictureCallbackTime = 0; 795 } 796 } 797 } 798 799 private final class AutoFocusCallback 800 implements android.hardware.Camera.AutoFocusCallback { 801 public void onAutoFocus( 802 boolean focused, android.hardware.Camera camera) { 803 mFocusCallbackTime = System.currentTimeMillis(); 804 mAutoFocusTime = mFocusCallbackTime - mFocusStartTime; 805 Log.v(TAG, "mAutoFocusTime = " + mAutoFocusTime + "ms"); 806 if (mFocusState == FOCUSING_SNAP_ON_FINISH) { 807 // Take the picture no matter focus succeeds or fails. No need 808 // to play the AF sound if we're about to play the shutter 809 // sound. 810 if (focused) { 811 mFocusState = FOCUS_SUCCESS; 812 } else { 813 mFocusState = FOCUS_FAIL; 814 } 815 mImageCapture.onSnap(); 816 } else if (mFocusState == FOCUSING) { 817 // User is half-pressing the focus key. Play the focus tone. 818 // Do not take the picture now. 819 ToneGenerator tg = mFocusToneGenerator; 820 if (tg != null) { 821 tg.startTone(ToneGenerator.TONE_PROP_BEEP2); 822 } 823 if (focused) { 824 mFocusState = FOCUS_SUCCESS; 825 } else { 826 mFocusState = FOCUS_FAIL; 827 } 828 } else if (mFocusState == FOCUS_NOT_STARTED) { 829 // User has released the focus key before focus completes. 830 // Do nothing. 831 } 832 updateFocusIndicator(); 833 } 834 } 835 836 private static final class ErrorCallback 837 implements android.hardware.Camera.ErrorCallback { 838 public void onError(int error, android.hardware.Camera camera) { 839 if (error == android.hardware.Camera.CAMERA_ERROR_SERVER_DIED) { 840 mMediaServerDied = true; 841 Log.v(TAG, "media server died"); 842 } 843 } 844 } 845 846 private final class ZoomListener 847 implements android.hardware.Camera.OnZoomChangeListener { 848 public void onZoomChange( 849 int value, boolean stopped, android.hardware.Camera camera) { 850 Log.v(TAG, "Zoom changed: value=" + value + ". stopped="+ stopped); 851 mZoomValue = value; 852 // Keep mParameters up to date. We do not getParameter again in 853 // takePicture. If we do not do this, wrong zoom value will be set. 854 mParameters.setZoom(value); 855 // We only care if the zoom is stopped. mZooming is set to true when 856 // we start smooth zoom. 857 if (stopped && mZoomState != ZOOM_STOPPED) { 858 if (value != mTargetZoomValue) { 859 mCameraDevice.startSmoothZoom(mTargetZoomValue); 860 mZoomState = ZOOM_START; 861 } else { 862 mZoomState = ZOOM_STOPPED; 863 } 864 } 865 } 866 } 867 868 private class ImageCapture { 869 870 private Uri mLastContentUri; 871 872 byte[] mCaptureOnlyData; 873 874 // Returns the rotation degree in the jpeg header. 875 private int storeImage(byte[] data, Location loc) { 876 try { 877 long dateTaken = System.currentTimeMillis(); 878 String title = createName(dateTaken); 879 String filename = title + ".jpg"; 880 int[] degree = new int[1]; 881 mLastContentUri = ImageManager.addImage( 882 mContentResolver, 883 title, 884 dateTaken, 885 loc, // location from gps/network 886 ImageManager.CAMERA_IMAGE_BUCKET_NAME, filename, 887 null, data, 888 degree); 889 return degree[0]; 890 } catch (Exception ex) { 891 Log.e(TAG, "Exception while compressing image.", ex); 892 return 0; 893 } 894 } 895 896 public void storeImage(final byte[] data, 897 android.hardware.Camera camera, Location loc) { 898 if (!mIsImageCaptureIntent) { 899 int degree = storeImage(data, loc); 900 sendBroadcast(new Intent( 901 "com.android.camera.NEW_PICTURE", mLastContentUri)); 902 setLastPictureThumb(data, degree, 903 mImageCapture.getLastCaptureUri()); 904 updateThumbnailList(); 905 } else { 906 mCaptureOnlyData = data; 907 if (!mQuickCapture) { 908 showPostCaptureAlert(); 909 } else { 910 doAttach(); 911 } 912 } 913 } 914 915 /** 916 * Initiate the capture of an image. 917 */ 918 public void initiate() { 919 if (mCameraDevice == null) { 920 return; 921 } 922 923 capture(); 924 } 925 926 public Uri getLastCaptureUri() { 927 return mLastContentUri; 928 } 929 930 public byte[] getLastCaptureData() { 931 return mCaptureOnlyData; 932 } 933 934 private void capture() { 935 mCaptureOnlyData = null; 936 937 // See android.hardware.Camera.Parameters.setRotation for 938 // documentation. 939 int rotation = 0; 940 if (mOrientation != OrientationEventListener.ORIENTATION_UNKNOWN) { 941 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 942 if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 943 rotation = (info.orientation - mOrientation + 360) % 360; 944 } else { // back-facing camera 945 rotation = (info.orientation + mOrientation) % 360; 946 } 947 } 948 mParameters.setRotation(rotation); 949 950 // Clear previous GPS location from the parameters. 951 mParameters.removeGpsData(); 952 953 // We always encode GpsTimeStamp 954 mParameters.setGpsTimestamp(System.currentTimeMillis() / 1000); 955 956 // Set GPS location. 957 Location loc = mRecordLocation ? getCurrentLocation() : null; 958 if (loc != null) { 959 double lat = loc.getLatitude(); 960 double lon = loc.getLongitude(); 961 boolean hasLatLon = (lat != 0.0d) || (lon != 0.0d); 962 963 if (hasLatLon) { 964 mParameters.setGpsLatitude(lat); 965 mParameters.setGpsLongitude(lon); 966 mParameters.setGpsProcessingMethod(loc.getProvider().toUpperCase()); 967 if (loc.hasAltitude()) { 968 mParameters.setGpsAltitude(loc.getAltitude()); 969 } else { 970 // for NETWORK_PROVIDER location provider, we may have 971 // no altitude information, but the driver needs it, so 972 // we fake one. 973 mParameters.setGpsAltitude(0); 974 } 975 if (loc.getTime() != 0) { 976 // Location.getTime() is UTC in milliseconds. 977 // gps-timestamp is UTC in seconds. 978 long utcTimeSeconds = loc.getTime() / 1000; 979 mParameters.setGpsTimestamp(utcTimeSeconds); 980 } 981 } else { 982 loc = null; 983 } 984 } 985 986 mCameraDevice.setParameters(mParameters); 987 988 mCameraDevice.takePicture(mShutterCallback, mRawPictureCallback, 989 mPostViewPictureCallback, new JpegPictureCallback(loc)); 990 mPreviewing = false; 991 } 992 993 public void onSnap() { 994 // If we are already in the middle of taking a snapshot then ignore. 995 if (mPausing || mStatus == SNAPSHOT_IN_PROGRESS) { 996 return; 997 } 998 mCaptureStartTime = System.currentTimeMillis(); 999 mPostViewPictureCallbackTime = 0; 1000 enableCameraControls(false); 1001 mStatus = SNAPSHOT_IN_PROGRESS; 1002 1003 mImageCapture.initiate(); 1004 } 1005 1006 private void clearLastData() { 1007 mCaptureOnlyData = null; 1008 } 1009 } 1010 1011 private boolean saveDataToFile(String filePath, byte[] data) { 1012 FileOutputStream f = null; 1013 try { 1014 f = new FileOutputStream(filePath); 1015 f.write(data); 1016 } catch (IOException e) { 1017 return false; 1018 } finally { 1019 MenuHelper.closeSilently(f); 1020 } 1021 return true; 1022 } 1023 1024 private String createName(long dateTaken) { 1025 Date date = new Date(dateTaken); 1026 SimpleDateFormat dateFormat = new SimpleDateFormat( 1027 getString(R.string.image_file_name_format)); 1028 1029 return dateFormat.format(date); 1030 } 1031 1032 @Override 1033 public void onCreate(Bundle icicle) { 1034 super.onCreate(icicle); 1035 1036 setContentView(R.layout.camera); 1037 mSurfaceView = (SurfaceView) findViewById(R.id.camera_preview); 1038 1039 mPreferences = new ComboPreferences(this); 1040 CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal()); 1041 mCameraId = CameraSettings.readPreferredCameraId(mPreferences); 1042 mPreferences.setLocalId(this, mCameraId); 1043 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 1044 1045 mNumberOfCameras = CameraHolder.instance().getNumberOfCameras(); 1046 mQuickCapture = getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false); 1047 1048 // we need to reset exposure for the preview 1049 resetExposureCompensation(); 1050 /* 1051 * To reduce startup time, we start the preview in another thread. 1052 * We make sure the preview is started at the end of onCreate. 1053 */ 1054 Thread startPreviewThread = new Thread(new Runnable() { 1055 public void run() { 1056 try { 1057 mStartPreviewFail = false; 1058 startPreview(); 1059 } catch (CameraHardwareException e) { 1060 // In eng build, we throw the exception so that test tool 1061 // can detect it and report it 1062 if ("eng".equals(Build.TYPE)) { 1063 throw new RuntimeException(e); 1064 } 1065 mStartPreviewFail = true; 1066 } 1067 } 1068 }); 1069 startPreviewThread.start(); 1070 1071 // don't set mSurfaceHolder here. We have it set ONLY within 1072 // surfaceChanged / surfaceDestroyed, other parts of the code 1073 // assume that when it is set, the surface is also set. 1074 SurfaceHolder holder = mSurfaceView.getHolder(); 1075 holder.addCallback(this); 1076 holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); 1077 1078 mIsImageCaptureIntent = isImageCaptureIntent(); 1079 if (mIsImageCaptureIntent) { 1080 setupCaptureParams(); 1081 } 1082 1083 LayoutInflater inflater = getLayoutInflater(); 1084 1085 ViewGroup rootView = (ViewGroup) findViewById(R.id.camera); 1086 if (mIsImageCaptureIntent) { 1087 View controlBar = inflater.inflate( 1088 R.layout.attach_camera_control, rootView); 1089 controlBar.findViewById(R.id.btn_cancel).setOnClickListener(this); 1090 controlBar.findViewById(R.id.btn_retake).setOnClickListener(this); 1091 controlBar.findViewById(R.id.btn_done).setOnClickListener(this); 1092 } else { 1093 inflater.inflate(R.layout.camera_control, rootView); 1094 mSwitcher = ((Switcher) findViewById(R.id.camera_switch)); 1095 mSwitcher.setOnSwitchListener(this); 1096 mSwitcher.addTouchView(findViewById(R.id.camera_switch_set)); 1097 } 1098 1099 // Show zoom picker. 1100 ViewStub zoomStub = (ViewStub) findViewById(R.id.zoom_stub); 1101 if (zoomStub != null) mZoomPicker = (ZoomPicker) zoomStub.inflate(); 1102 1103 // Make sure preview is started. 1104 try { 1105 startPreviewThread.join(); 1106 if (mStartPreviewFail) { 1107 showCameraErrorAndFinish(); 1108 return; 1109 } 1110 } catch (InterruptedException ex) { 1111 // ignore 1112 } 1113 1114 // Do this after starting preview because it depends on camera 1115 // parameters. 1116 initializeControlPanel(); 1117 } 1118 1119 private void changeHeadUpDisplayState() { 1120 if (mHeadUpDisplay == null) return; 1121 // If the camera resumes behind the lock screen, the orientation 1122 // will be portrait. That causes OOM when we try to allocation GPU 1123 // memory for the GLSurfaceView again when the orientation changes. So, 1124 // we delayed initialization of HeadUpDisplay until the orientation 1125 // becomes landscape. 1126 Configuration config = getResources().getConfiguration(); 1127 if (config.orientation == Configuration.ORIENTATION_LANDSCAPE 1128 && !mPausing && mFirstTimeInitialized) { 1129 if (mGLRootView == null) attachHeadUpDisplay(); 1130 } else if (mGLRootView != null) { 1131 detachHeadUpDisplay(); 1132 } 1133 } 1134 1135 private void overrideHudSettings(final String flashMode, 1136 final String whiteBalance, final String focusMode) { 1137 mHeadUpDisplay.overrideSettings( 1138 CameraSettings.KEY_FLASH_MODE, flashMode, 1139 CameraSettings.KEY_WHITE_BALANCE, whiteBalance, 1140 CameraSettings.KEY_FOCUS_MODE, focusMode); 1141 } 1142 1143 private void updateSceneModeInHud() { 1144 // If scene mode is set, we cannot set flash mode, white balance, and 1145 // focus mode, instead, we read it from driver 1146 if (!Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 1147 overrideHudSettings(mParameters.getFlashMode(), 1148 mParameters.getWhiteBalance(), mParameters.getFocusMode()); 1149 } else { 1150 overrideHudSettings(null, null, null); 1151 } 1152 } 1153 1154 private void initializeControlPanel() { 1155 String[] keys = new String[]{CameraSettings.KEY_FLASH_MODE, 1156 CameraSettings.KEY_WHITE_BALANCE, 1157 CameraSettings.KEY_COLOR_EFFECT, 1158 CameraSettings.KEY_CAMERA_ID}; 1159 mControlPanel = (ControlPanel) findViewById(R.id.control_panel); 1160 if (mControlPanel != null) { 1161 CameraSettings settings = new CameraSettings(this, mInitialParams, 1162 mCameraId, CameraHolder.instance().getCameraInfo()); 1163 mPreferenceGroup = settings.getPreferenceGroup(R.xml.camera_preferences); 1164 mControlPanel.initialize(this, mPreferenceGroup, keys, true); 1165 mControlPanel.setListener(new MyControlPanelListener()); 1166 } 1167 } 1168 1169 private void initializeHeadUpDisplay() { 1170 if (mHeadUpDisplay == null) return; 1171 CameraSettings settings = new CameraSettings(this, mInitialParams, 1172 mCameraId, CameraHolder.instance().getCameraInfo()); 1173 // If we have zoom picker, do not show zoom control on head-up display. 1174 float[] zoomRatios = null; 1175 if (mZoomPicker == null) zoomRatios = getZoomRatios(); 1176 mHeadUpDisplay.initialize(this, 1177 settings.getPreferenceGroup(R.xml.camera_preferences), 1178 zoomRatios, mOrientationCompensation); 1179 if (mZoomPicker == null && mParameters.isZoomSupported()) { 1180 mHeadUpDisplay.setZoomListener(new ZoomControllerListener() { 1181 public void onZoomChanged( 1182 int index, float ratio, boolean isMoving) { 1183 onZoomValueChanged(index); 1184 } 1185 }); 1186 } 1187 updateSceneModeInHud(); 1188 } 1189 1190 private void attachHeadUpDisplay() { 1191 mHeadUpDisplay.setOrientation(mOrientationCompensation); 1192 if (mParameters.isZoomSupported()) { 1193 mHeadUpDisplay.setZoomIndex(mZoomValue); 1194 } 1195 ViewGroup frame = (ViewGroup) findViewById(R.id.frame); 1196 mGLRootView = new GLRootView(this); 1197 mGLRootView.setContentPane(mHeadUpDisplay); 1198 frame.addView(mGLRootView); 1199 } 1200 1201 private void detachHeadUpDisplay() { 1202 mHeadUpDisplay.setGpsHasSignal(false); 1203 mHeadUpDisplay.collapse(); 1204 ((ViewGroup) mGLRootView.getParent()).removeView(mGLRootView); 1205 mGLRootView = null; 1206 } 1207 1208 private boolean collapseCameraControls() { 1209 if (mHeadUpDisplay != null && mHeadUpDisplay.collapse()) { 1210 return true; 1211 } 1212 if (mControlPanel != null && mControlPanel.hideSettingPicker()) { 1213 return true; 1214 } 1215 return false; 1216 } 1217 1218 private void enableCameraControls(boolean enable) { 1219 if (mHeadUpDisplay != null) mHeadUpDisplay.setEnabled(enable); 1220 if (mControlPanel != null) mControlPanel.setEnabled(enable); 1221 } 1222 1223 public static int roundOrientation(int orientation) { 1224 return ((orientation + 45) / 90 * 90) % 360; 1225 } 1226 1227 private class MyOrientationEventListener 1228 extends OrientationEventListener { 1229 public MyOrientationEventListener(Context context) { 1230 super(context); 1231 } 1232 1233 @Override 1234 public void onOrientationChanged(int orientation) { 1235 // We keep the last known orientation. So if the user first orient 1236 // the camera then point the camera to floor or sky, we still have 1237 // the correct orientation. 1238 if (orientation == ORIENTATION_UNKNOWN) return; 1239 orientation = roundOrientation(orientation); 1240 if (orientation != mOrientation) { 1241 mOrientation = orientation; 1242 mOrientationCompensation = orientation 1243 + Util.getDisplayRotation(Camera.this); 1244 1245 if (!mIsImageCaptureIntent) { 1246 setOrientationIndicator(mOrientationCompensation); 1247 } 1248 if (mHeadUpDisplay != null) { 1249 mHeadUpDisplay.setOrientation(mOrientationCompensation); 1250 } 1251 } 1252 } 1253 } 1254 1255 private void setOrientationIndicator(int degree) { 1256 RotateImageView thumbnail = (RotateImageView) findViewById( 1257 R.id.review_thumbnail); 1258 if (thumbnail != null) thumbnail.setDegree(degree); 1259 1260 ((RotateImageView) findViewById( 1261 R.id.camera_switch_icon)).setDegree(degree); 1262 ((RotateImageView) findViewById( 1263 R.id.video_switch_icon)).setDegree(degree); 1264 } 1265 1266 @Override 1267 public void onStart() { 1268 super.onStart(); 1269 if (!mIsImageCaptureIntent) { 1270 mSwitcher.setSwitch(SWITCH_CAMERA); 1271 } 1272 } 1273 1274 @Override 1275 public void onStop() { 1276 super.onStop(); 1277 if (mMediaProviderClient != null) { 1278 mMediaProviderClient.release(); 1279 mMediaProviderClient = null; 1280 } 1281 } 1282 1283 private void checkStorage() { 1284 calculatePicturesRemaining(); 1285 updateStorageHint(mPicturesRemaining); 1286 } 1287 1288 public void onClick(View v) { 1289 switch (v.getId()) { 1290 case R.id.btn_retake: 1291 hidePostCaptureAlert(); 1292 restartPreview(); 1293 break; 1294 case R.id.review_thumbnail: 1295 if (isCameraIdle()) { 1296 viewImage(mThumbnailButton); 1297 } 1298 break; 1299 case R.id.btn_done: 1300 doAttach(); 1301 break; 1302 case R.id.btn_cancel: 1303 doCancel(); 1304 break; 1305 case R.id.btn_gallery: 1306 gotoGallery(); 1307 break; 1308 } 1309 } 1310 1311 private class ThumbnailItemClickListener implements OnItemClickListener { 1312 public void onItemClick(AdapterView<?> p, View v, int pos, long id) { 1313 viewImage((RotateImageView)v); 1314 } 1315 } 1316 1317 private Bitmap createCaptureBitmap(byte[] data) { 1318 // This is really stupid...we just want to read the orientation in 1319 // the jpeg header. 1320 String filepath = ImageManager.getTempJpegPath(); 1321 int degree = 0; 1322 if (saveDataToFile(filepath, data)) { 1323 degree = ImageManager.getExifOrientation(filepath); 1324 new File(filepath).delete(); 1325 } 1326 1327 // Limit to 50k pixels so we can return it in the intent. 1328 Bitmap bitmap = Util.makeBitmap(data, 50 * 1024); 1329 bitmap = Util.rotate(bitmap, degree); 1330 return bitmap; 1331 } 1332 1333 private void doAttach() { 1334 if (mPausing) { 1335 return; 1336 } 1337 1338 byte[] data = mImageCapture.getLastCaptureData(); 1339 1340 if (mCropValue == null) { 1341 // First handle the no crop case -- just return the value. If the 1342 // caller specifies a "save uri" then write the data to it's 1343 // stream. Otherwise, pass back a scaled down version of the bitmap 1344 // directly in the extras. 1345 if (mSaveUri != null) { 1346 OutputStream outputStream = null; 1347 try { 1348 outputStream = mContentResolver.openOutputStream(mSaveUri); 1349 outputStream.write(data); 1350 outputStream.close(); 1351 1352 setResult(RESULT_OK); 1353 finish(); 1354 } catch (IOException ex) { 1355 // ignore exception 1356 } finally { 1357 Util.closeSilently(outputStream); 1358 } 1359 } else { 1360 Bitmap bitmap = createCaptureBitmap(data); 1361 setResult(RESULT_OK, 1362 new Intent("inline-data").putExtra("data", bitmap)); 1363 finish(); 1364 } 1365 } else { 1366 // Save the image to a temp file and invoke the cropper 1367 Uri tempUri = null; 1368 FileOutputStream tempStream = null; 1369 try { 1370 File path = getFileStreamPath(sTempCropFilename); 1371 path.delete(); 1372 tempStream = openFileOutput(sTempCropFilename, 0); 1373 tempStream.write(data); 1374 tempStream.close(); 1375 tempUri = Uri.fromFile(path); 1376 } catch (FileNotFoundException ex) { 1377 setResult(Activity.RESULT_CANCELED); 1378 finish(); 1379 return; 1380 } catch (IOException ex) { 1381 setResult(Activity.RESULT_CANCELED); 1382 finish(); 1383 return; 1384 } finally { 1385 Util.closeSilently(tempStream); 1386 } 1387 1388 Bundle newExtras = new Bundle(); 1389 if (mCropValue.equals("circle")) { 1390 newExtras.putString("circleCrop", "true"); 1391 } 1392 if (mSaveUri != null) { 1393 newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, mSaveUri); 1394 } else { 1395 newExtras.putBoolean("return-data", true); 1396 } 1397 1398 Intent cropIntent = new Intent("com.android.camera.action.CROP"); 1399 1400 cropIntent.setData(tempUri); 1401 cropIntent.putExtras(newExtras); 1402 1403 startActivityForResult(cropIntent, CROP_MSG); 1404 } 1405 } 1406 1407 private void doCancel() { 1408 setResult(RESULT_CANCELED, new Intent()); 1409 finish(); 1410 } 1411 1412 public void onShutterButtonFocus(ShutterButton button, boolean pressed) { 1413 if (mPausing) { 1414 return; 1415 } 1416 switch (button.getId()) { 1417 case R.id.shutter_button: 1418 doFocus(pressed); 1419 break; 1420 } 1421 } 1422 1423 public void onShutterButtonClick(ShutterButton button) { 1424 if (mPausing) { 1425 return; 1426 } 1427 switch (button.getId()) { 1428 case R.id.shutter_button: 1429 doSnap(); 1430 break; 1431 } 1432 } 1433 1434 private OnScreenHint mStorageHint; 1435 1436 private void updateStorageHint(int remaining) { 1437 String noStorageText = null; 1438 1439 if (remaining == MenuHelper.NO_STORAGE_ERROR) { 1440 String state = Environment.getExternalStorageState(); 1441 if (state == Environment.MEDIA_CHECKING) { 1442 noStorageText = getString(R.string.preparing_sd); 1443 } else { 1444 noStorageText = getString(R.string.no_storage); 1445 } 1446 } else if (remaining == MenuHelper.CANNOT_STAT_ERROR) { 1447 noStorageText = getString(R.string.access_sd_fail); 1448 } else if (remaining < 1) { 1449 noStorageText = getString(R.string.not_enough_space); 1450 } 1451 1452 if (noStorageText != null) { 1453 if (mStorageHint == null) { 1454 mStorageHint = OnScreenHint.makeText(this, noStorageText); 1455 } else { 1456 mStorageHint.setText(noStorageText); 1457 } 1458 mStorageHint.show(); 1459 } else if (mStorageHint != null) { 1460 mStorageHint.cancel(); 1461 mStorageHint = null; 1462 } 1463 } 1464 1465 private void installIntentFilter() { 1466 // install an intent filter to receive SD card related events. 1467 IntentFilter intentFilter = 1468 new IntentFilter(Intent.ACTION_MEDIA_MOUNTED); 1469 intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED); 1470 intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); 1471 intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING); 1472 intentFilter.addDataScheme("file"); 1473 registerReceiver(mReceiver, intentFilter); 1474 mDidRegister = true; 1475 } 1476 1477 private void initializeFocusTone() { 1478 // Initialize focus tone generator. 1479 try { 1480 mFocusToneGenerator = new ToneGenerator( 1481 AudioManager.STREAM_SYSTEM, FOCUS_BEEP_VOLUME); 1482 } catch (Throwable ex) { 1483 Log.w(TAG, "Exception caught while creating tone generator: ", ex); 1484 mFocusToneGenerator = null; 1485 } 1486 } 1487 1488 private void initializeScreenBrightness() { 1489 Window win = getWindow(); 1490 // Overright the brightness settings if it is automatic 1491 int mode = Settings.System.getInt( 1492 getContentResolver(), 1493 Settings.System.SCREEN_BRIGHTNESS_MODE, 1494 Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL); 1495 if (mode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC) { 1496 WindowManager.LayoutParams winParams = win.getAttributes(); 1497 winParams.screenBrightness = DEFAULT_CAMERA_BRIGHTNESS; 1498 win.setAttributes(winParams); 1499 } 1500 } 1501 1502 @Override 1503 protected void onResume() { 1504 super.onResume(); 1505 1506 mPausing = false; 1507 mJpegPictureCallbackTime = 0; 1508 mZoomValue = 0; 1509 mImageCapture = new ImageCapture(); 1510 1511 // Start the preview if it is not started. 1512 if (!mPreviewing && !mStartPreviewFail) { 1513 resetExposureCompensation(); 1514 if (!restartPreview()) return; 1515 } 1516 1517 if (mSurfaceHolder != null) { 1518 // If first time initialization is not finished, put it in the 1519 // message queue. 1520 if (!mFirstTimeInitialized) { 1521 mHandler.sendEmptyMessage(FIRST_TIME_INIT); 1522 } else { 1523 initializeSecondTime(); 1524 } 1525 } 1526 keepScreenOnAwhile(); 1527 } 1528 1529 @Override 1530 public void onConfigurationChanged(Configuration config) { 1531 super.onConfigurationChanged(config); 1532 changeHeadUpDisplayState(); 1533 } 1534 1535 private static ImageManager.DataLocation dataLocation() { 1536 return ImageManager.DataLocation.EXTERNAL; 1537 } 1538 1539 @Override 1540 protected void onPause() { 1541 mPausing = true; 1542 stopPreview(); 1543 // Close the camera now because other activities may need to use it. 1544 closeCamera(); 1545 resetScreenOn(); 1546 collapseCameraControls(); 1547 changeHeadUpDisplayState(); 1548 1549 if (mFirstTimeInitialized) { 1550 mOrientationListener.disable(); 1551 if (!mIsImageCaptureIntent) { 1552 if (mThumbnailButton != null) { 1553 mThumbnailButton.storeData( 1554 ImageManager.getLastImageThumbPath()); 1555 } 1556 } 1557 hidePostCaptureAlert(); 1558 } 1559 1560 if (mDidRegister) { 1561 unregisterReceiver(mReceiver); 1562 mDidRegister = false; 1563 } 1564 stopReceivingLocationUpdates(); 1565 1566 if (mFocusToneGenerator != null) { 1567 mFocusToneGenerator.release(); 1568 mFocusToneGenerator = null; 1569 } 1570 1571 if (mStorageHint != null) { 1572 mStorageHint.cancel(); 1573 mStorageHint = null; 1574 } 1575 1576 // If we are in an image capture intent and has taken 1577 // a picture, we just clear it in onPause. 1578 mImageCapture.clearLastData(); 1579 mImageCapture = null; 1580 1581 // Remove the messages in the event queue. 1582 mHandler.removeMessages(RESTART_PREVIEW); 1583 mHandler.removeMessages(FIRST_TIME_INIT); 1584 1585 super.onPause(); 1586 } 1587 1588 @Override 1589 protected void onActivityResult( 1590 int requestCode, int resultCode, Intent data) { 1591 switch (requestCode) { 1592 case CROP_MSG: { 1593 Intent intent = new Intent(); 1594 if (data != null) { 1595 Bundle extras = data.getExtras(); 1596 if (extras != null) { 1597 intent.putExtras(extras); 1598 } 1599 } 1600 setResult(resultCode, intent); 1601 finish(); 1602 1603 File path = getFileStreamPath(sTempCropFilename); 1604 path.delete(); 1605 1606 break; 1607 } 1608 } 1609 } 1610 1611 private boolean canTakePicture() { 1612 return isCameraIdle() && mPreviewing && (mPicturesRemaining > 0); 1613 } 1614 1615 private void autoFocus() { 1616 // Initiate autofocus only when preview is started and snapshot is not 1617 // in progress. 1618 if (canTakePicture()) { 1619 enableCameraControls(false); 1620 Log.v(TAG, "Start autofocus."); 1621 mFocusStartTime = System.currentTimeMillis(); 1622 mFocusState = FOCUSING; 1623 updateFocusIndicator(); 1624 mCameraDevice.autoFocus(mAutoFocusCallback); 1625 } 1626 } 1627 1628 private void cancelAutoFocus() { 1629 // User releases half-pressed focus key. 1630 if (mStatus != SNAPSHOT_IN_PROGRESS && (mFocusState == FOCUSING 1631 || mFocusState == FOCUS_SUCCESS || mFocusState == FOCUS_FAIL)) { 1632 Log.v(TAG, "Cancel autofocus."); 1633 enableCameraControls(true); 1634 mCameraDevice.cancelAutoFocus(); 1635 } 1636 if (mFocusState != FOCUSING_SNAP_ON_FINISH) { 1637 clearFocusState(); 1638 } 1639 } 1640 1641 private void clearFocusState() { 1642 mFocusState = FOCUS_NOT_STARTED; 1643 updateFocusIndicator(); 1644 } 1645 1646 private void updateFocusIndicator() { 1647 if (mFocusRectangle == null) return; 1648 1649 if (mFocusState == FOCUSING || mFocusState == FOCUSING_SNAP_ON_FINISH) { 1650 mFocusRectangle.showStart(); 1651 } else if (mFocusState == FOCUS_SUCCESS) { 1652 mFocusRectangle.showSuccess(); 1653 } else if (mFocusState == FOCUS_FAIL) { 1654 mFocusRectangle.showFail(); 1655 } else { 1656 mFocusRectangle.clear(); 1657 } 1658 } 1659 1660 @Override 1661 public void onBackPressed() { 1662 if (!isCameraIdle()) { 1663 // ignore backs while we're taking a picture 1664 return; 1665 } else if (!collapseCameraControls()) { 1666 super.onBackPressed(); 1667 } 1668 } 1669 1670 @Override 1671 public boolean onKeyDown(int keyCode, KeyEvent event) { 1672 switch (keyCode) { 1673 case KeyEvent.KEYCODE_FOCUS: 1674 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1675 doFocus(true); 1676 } 1677 return true; 1678 case KeyEvent.KEYCODE_CAMERA: 1679 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1680 doSnap(); 1681 } 1682 return true; 1683 case KeyEvent.KEYCODE_DPAD_CENTER: 1684 // If we get a dpad center event without any focused view, move 1685 // the focus to the shutter button and press it. 1686 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1687 // Start auto-focus immediately to reduce shutter lag. After 1688 // the shutter button gets the focus, doFocus() will be 1689 // called again but it is fine. 1690 if (collapseCameraControls()) return true; 1691 doFocus(true); 1692 if (mShutterButton.isInTouchMode()) { 1693 mShutterButton.requestFocusFromTouch(); 1694 } else { 1695 mShutterButton.requestFocus(); 1696 } 1697 mShutterButton.setPressed(true); 1698 } 1699 return true; 1700 } 1701 1702 return super.onKeyDown(keyCode, event); 1703 } 1704 1705 @Override 1706 public boolean onKeyUp(int keyCode, KeyEvent event) { 1707 switch (keyCode) { 1708 case KeyEvent.KEYCODE_FOCUS: 1709 if (mFirstTimeInitialized) { 1710 doFocus(false); 1711 } 1712 return true; 1713 } 1714 return super.onKeyUp(keyCode, event); 1715 } 1716 1717 private void doSnap() { 1718 if (collapseCameraControls()) return; 1719 1720 Log.v(TAG, "doSnap: mFocusState=" + mFocusState); 1721 // If the user has half-pressed the shutter and focus is completed, we 1722 // can take the photo right away. If the focus mode is infinity, we can 1723 // also take the photo. 1724 if (mFocusMode.equals(Parameters.FOCUS_MODE_INFINITY) 1725 || mFocusMode.equals(Parameters.FOCUS_MODE_FIXED) 1726 || mFocusMode.equals(Parameters.FOCUS_MODE_EDOF) 1727 || (mFocusState == FOCUS_SUCCESS 1728 || mFocusState == FOCUS_FAIL)) { 1729 mImageCapture.onSnap(); 1730 } else if (mFocusState == FOCUSING) { 1731 // Half pressing the shutter (i.e. the focus button event) will 1732 // already have requested AF for us, so just request capture on 1733 // focus here. 1734 mFocusState = FOCUSING_SNAP_ON_FINISH; 1735 } else if (mFocusState == FOCUS_NOT_STARTED) { 1736 // Focus key down event is dropped for some reasons. Just ignore. 1737 } 1738 } 1739 1740 private void doFocus(boolean pressed) { 1741 // Do the focus if the mode is not infinity. 1742 if (collapseCameraControls()) return; 1743 if (!(mFocusMode.equals(Parameters.FOCUS_MODE_INFINITY) 1744 || mFocusMode.equals(Parameters.FOCUS_MODE_FIXED) 1745 || mFocusMode.equals(Parameters.FOCUS_MODE_EDOF))) { 1746 if (pressed) { // Focus key down. 1747 autoFocus(); 1748 } else { // Focus key up. 1749 cancelAutoFocus(); 1750 } 1751 } 1752 } 1753 1754 public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { 1755 // Make sure we have a surface in the holder before proceeding. 1756 if (holder.getSurface() == null) { 1757 Log.d(TAG, "holder.getSurface() == null"); 1758 return; 1759 } 1760 1761 // We need to save the holder for later use, even when the mCameraDevice 1762 // is null. This could happen if onResume() is invoked after this 1763 // function. 1764 mSurfaceHolder = holder; 1765 1766 // The mCameraDevice will be null if it fails to connect to the camera 1767 // hardware. In this case we will show a dialog and then finish the 1768 // activity, so it's OK to ignore it. 1769 if (mCameraDevice == null) return; 1770 1771 // Sometimes surfaceChanged is called after onPause or before onResume. 1772 // Ignore it. 1773 if (mPausing || isFinishing()) return; 1774 1775 if (mPreviewing && holder.isCreating()) { 1776 // Set preview display if the surface is being created and preview 1777 // was already started. That means preview display was set to null 1778 // and we need to set it now. 1779 setPreviewDisplay(holder); 1780 } else { 1781 // 1. Restart the preview if the size of surface was changed. The 1782 // framework may not support changing preview display on the fly. 1783 // 2. Start the preview now if surface was destroyed and preview 1784 // stopped. 1785 restartPreview(); 1786 } 1787 1788 // If first time initialization is not finished, send a message to do 1789 // it later. We want to finish surfaceChanged as soon as possible to let 1790 // user see preview first. 1791 if (!mFirstTimeInitialized) { 1792 mHandler.sendEmptyMessage(FIRST_TIME_INIT); 1793 } else { 1794 initializeSecondTime(); 1795 } 1796 } 1797 1798 public void surfaceCreated(SurfaceHolder holder) { 1799 } 1800 1801 public void surfaceDestroyed(SurfaceHolder holder) { 1802 stopPreview(); 1803 mSurfaceHolder = null; 1804 } 1805 1806 private void closeCamera() { 1807 if (mCameraDevice != null) { 1808 CameraHolder.instance().release(); 1809 mCameraDevice.setZoomChangeListener(null); 1810 mCameraDevice = null; 1811 mPreviewing = false; 1812 } 1813 } 1814 1815 private void ensureCameraDevice() throws CameraHardwareException { 1816 if (mCameraDevice == null) { 1817 mCameraDevice = CameraHolder.instance().open(mCameraId); 1818 mInitialParams = mCameraDevice.getParameters(); 1819 } 1820 } 1821 1822 private void showCameraErrorAndFinish() { 1823 Resources ress = getResources(); 1824 Util.showFatalErrorAndFinish(Camera.this, 1825 ress.getString(R.string.camera_error_title), 1826 ress.getString(R.string.cannot_connect_camera)); 1827 } 1828 1829 private boolean restartPreview() { 1830 try { 1831 startPreview(); 1832 } catch (CameraHardwareException e) { 1833 showCameraErrorAndFinish(); 1834 return false; 1835 } 1836 return true; 1837 } 1838 1839 private void setPreviewDisplay(SurfaceHolder holder) { 1840 try { 1841 mCameraDevice.setPreviewDisplay(holder); 1842 } catch (Throwable ex) { 1843 closeCamera(); 1844 throw new RuntimeException("setPreviewDisplay failed", ex); 1845 } 1846 } 1847 1848 private void startPreview() throws CameraHardwareException { 1849 if (mPausing || isFinishing()) return; 1850 1851 ensureCameraDevice(); 1852 1853 // If we're previewing already, stop the preview first (this will blank 1854 // the screen). 1855 if (mPreviewing) stopPreview(); 1856 1857 setPreviewDisplay(mSurfaceHolder); 1858 Util.setCameraDisplayOrientation(this, mCameraId, mCameraDevice); 1859 setCameraParameters(UPDATE_PARAM_ALL); 1860 1861 mCameraDevice.setErrorCallback(mErrorCallback); 1862 1863 try { 1864 Log.v(TAG, "startPreview"); 1865 mCameraDevice.startPreview(); 1866 } catch (Throwable ex) { 1867 closeCamera(); 1868 throw new RuntimeException("startPreview failed", ex); 1869 } 1870 mPreviewing = true; 1871 mZoomState = ZOOM_STOPPED; 1872 mStatus = IDLE; 1873 } 1874 1875 private void stopPreview() { 1876 if (mCameraDevice != null && mPreviewing) { 1877 Log.v(TAG, "stopPreview"); 1878 mCameraDevice.stopPreview(); 1879 } 1880 mPreviewing = false; 1881 // If auto focus was in progress, it would have been canceled. 1882 clearFocusState(); 1883 } 1884 1885 private static boolean isSupported(String value, List<String> supported) { 1886 return supported == null ? false : supported.indexOf(value) >= 0; 1887 } 1888 1889 private void updateCameraParametersInitialize() { 1890 // Reset preview frame rate to the maximum because it may be lowered by 1891 // video camera application. 1892 List<Integer> frameRates = mParameters.getSupportedPreviewFrameRates(); 1893 if (frameRates != null) { 1894 Integer max = Collections.max(frameRates); 1895 mParameters.setPreviewFrameRate(max); 1896 } 1897 1898 } 1899 1900 private void updateCameraParametersZoom() { 1901 // Set zoom. 1902 if (mParameters.isZoomSupported()) { 1903 mParameters.setZoom(mZoomValue); 1904 } 1905 } 1906 1907 private void updateCameraParametersPreference() { 1908 // Set picture size. 1909 String pictureSize = mPreferences.getString( 1910 CameraSettings.KEY_PICTURE_SIZE, null); 1911 if (pictureSize == null) { 1912 CameraSettings.initialCameraPictureSize(this, mParameters); 1913 } else { 1914 List<Size> supported = mParameters.getSupportedPictureSizes(); 1915 CameraSettings.setCameraPictureSize( 1916 pictureSize, supported, mParameters); 1917 } 1918 1919 // Set the preview frame aspect ratio according to the picture size. 1920 Size size = mParameters.getPictureSize(); 1921 PreviewFrameLayout frameLayout = 1922 (PreviewFrameLayout) findViewById(R.id.frame_layout); 1923 frameLayout.setAspectRatio((double) size.width / size.height); 1924 1925 // Set a preview size that is closest to the viewfinder height and has 1926 // the right aspect ratio. 1927 List<Size> sizes = mParameters.getSupportedPreviewSizes(); 1928 Size optimalSize = Util.getOptimalPreviewSize(this, 1929 sizes, (double) size.width / size.height); 1930 if (optimalSize != null) { 1931 Size original = mParameters.getPreviewSize(); 1932 if (!original.equals(optimalSize)) { 1933 mParameters.setPreviewSize(optimalSize.width, optimalSize.height); 1934 1935 // Zoom related settings will be changed for different preview 1936 // sizes, so set and read the parameters to get lastest values 1937 mCameraDevice.setParameters(mParameters); 1938 mParameters = mCameraDevice.getParameters(); 1939 } 1940 } 1941 1942 // Since change scene mode may change supported values, 1943 // Set scene mode first, 1944 mSceneMode = mPreferences.getString( 1945 CameraSettings.KEY_SCENE_MODE, 1946 getString(R.string.pref_camera_scenemode_default)); 1947 if (isSupported(mSceneMode, mParameters.getSupportedSceneModes())) { 1948 if (!mParameters.getSceneMode().equals(mSceneMode)) { 1949 mParameters.setSceneMode(mSceneMode); 1950 mCameraDevice.setParameters(mParameters); 1951 1952 // Setting scene mode will change the settings of flash mode, 1953 // white balance, and focus mode. Here we read back the 1954 // parameters, so we can know those settings. 1955 mParameters = mCameraDevice.getParameters(); 1956 } 1957 } else { 1958 mSceneMode = mParameters.getSceneMode(); 1959 if (mSceneMode == null) { 1960 mSceneMode = Parameters.SCENE_MODE_AUTO; 1961 } 1962 } 1963 1964 // Set JPEG quality. 1965 String jpegQuality = mPreferences.getString( 1966 CameraSettings.KEY_JPEG_QUALITY, 1967 getString(R.string.pref_camera_jpegquality_default)); 1968 mParameters.setJpegQuality(JpegEncodingQualityMappings.getQualityNumber(jpegQuality)); 1969 1970 // For the following settings, we need to check if the settings are 1971 // still supported by latest driver, if not, ignore the settings. 1972 1973 // Set color effect parameter. 1974 String colorEffect = mPreferences.getString( 1975 CameraSettings.KEY_COLOR_EFFECT, 1976 getString(R.string.pref_camera_coloreffect_default)); 1977 if (isSupported(colorEffect, mParameters.getSupportedColorEffects())) { 1978 mParameters.setColorEffect(colorEffect); 1979 } 1980 1981 // Set exposure compensation 1982 String exposure = mPreferences.getString( 1983 CameraSettings.KEY_EXPOSURE, 1984 getString(R.string.pref_exposure_default)); 1985 try { 1986 int value = Integer.parseInt(exposure); 1987 int max = mParameters.getMaxExposureCompensation(); 1988 int min = mParameters.getMinExposureCompensation(); 1989 if (value >= min && value <= max) { 1990 mParameters.setExposureCompensation(value); 1991 } else { 1992 Log.w(TAG, "invalid exposure range: " + exposure); 1993 } 1994 } catch (NumberFormatException e) { 1995 Log.w(TAG, "invalid exposure: " + exposure); 1996 } 1997 1998 if (mHeadUpDisplay != null) updateSceneModeInHud(); 1999 // TODO: update icons on control panel. 2000 2001 if (Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 2002 // Set flash mode. 2003 String flashMode = mPreferences.getString( 2004 CameraSettings.KEY_FLASH_MODE, 2005 getString(R.string.pref_camera_flashmode_default)); 2006 List<String> supportedFlash = mParameters.getSupportedFlashModes(); 2007 if (isSupported(flashMode, supportedFlash)) { 2008 mParameters.setFlashMode(flashMode); 2009 } else { 2010 flashMode = mParameters.getFlashMode(); 2011 if (flashMode == null) { 2012 flashMode = getString( 2013 R.string.pref_camera_flashmode_no_flash); 2014 } 2015 } 2016 2017 // Set white balance parameter. 2018 String whiteBalance = mPreferences.getString( 2019 CameraSettings.KEY_WHITE_BALANCE, 2020 getString(R.string.pref_camera_whitebalance_default)); 2021 if (isSupported(whiteBalance, 2022 mParameters.getSupportedWhiteBalance())) { 2023 mParameters.setWhiteBalance(whiteBalance); 2024 } else { 2025 whiteBalance = mParameters.getWhiteBalance(); 2026 if (whiteBalance == null) { 2027 whiteBalance = Parameters.WHITE_BALANCE_AUTO; 2028 } 2029 } 2030 2031 // Set focus mode. 2032 mFocusMode = mPreferences.getString( 2033 CameraSettings.KEY_FOCUS_MODE, 2034 getString(R.string.pref_camera_focusmode_default)); 2035 if (isSupported(mFocusMode, mParameters.getSupportedFocusModes())) { 2036 mParameters.setFocusMode(mFocusMode); 2037 } else { 2038 mFocusMode = mParameters.getFocusMode(); 2039 if (mFocusMode == null) { 2040 mFocusMode = Parameters.FOCUS_MODE_AUTO; 2041 } 2042 } 2043 } else { 2044 mFocusMode = mParameters.getFocusMode(); 2045 } 2046 } 2047 2048 // We separate the parameters into several subsets, so we can update only 2049 // the subsets actually need updating. The PREFERENCE set needs extra 2050 // locking because the preference can be changed from GLThread as well. 2051 private void setCameraParameters(int updateSet) { 2052 mParameters = mCameraDevice.getParameters(); 2053 2054 if ((updateSet & UPDATE_PARAM_INITIALIZE) != 0) { 2055 updateCameraParametersInitialize(); 2056 } 2057 2058 if ((updateSet & UPDATE_PARAM_ZOOM) != 0) { 2059 updateCameraParametersZoom(); 2060 } 2061 2062 if ((updateSet & UPDATE_PARAM_PREFERENCE) != 0) { 2063 updateCameraParametersPreference(); 2064 } 2065 2066 mCameraDevice.setParameters(mParameters); 2067 } 2068 2069 // If the Camera is idle, update the parameters immediately, otherwise 2070 // accumulate them in mUpdateSet and update later. 2071 private void setCameraParametersWhenIdle(int additionalUpdateSet) { 2072 mUpdateSet |= additionalUpdateSet; 2073 if (mCameraDevice == null) { 2074 // We will update all the parameters when we open the device, so 2075 // we don't need to do anything now. 2076 mUpdateSet = 0; 2077 return; 2078 } else if (isCameraIdle()) { 2079 setCameraParameters(mUpdateSet); 2080 mUpdateSet = 0; 2081 } else { 2082 if (!mHandler.hasMessages(SET_CAMERA_PARAMETERS_WHEN_IDLE)) { 2083 mHandler.sendEmptyMessageDelayed( 2084 SET_CAMERA_PARAMETERS_WHEN_IDLE, 1000); 2085 } 2086 } 2087 } 2088 2089 private void gotoGallery() { 2090 MenuHelper.gotoCameraImageGallery(this); 2091 } 2092 2093 private void viewImage(RotateImageView view) { 2094 if(!view.isUriValid()) { 2095 Log.e(TAG, "Uri invalid. uri=" + view.getUri()); 2096 return; 2097 } 2098 2099 try { 2100 startActivity(new Intent( 2101 Util.REVIEW_ACTION, view.getUri())); 2102 } catch (ActivityNotFoundException ex) { 2103 try { 2104 startActivity(new Intent( 2105 Intent.ACTION_VIEW, view.getUri())); 2106 } catch (ActivityNotFoundException e) { 2107 Log.e(TAG, "review image fail. uri=" + view.getUri(), e); 2108 } 2109 } 2110 } 2111 2112 private void startReceivingLocationUpdates() { 2113 if (mLocationManager != null) { 2114 try { 2115 mLocationManager.requestLocationUpdates( 2116 LocationManager.NETWORK_PROVIDER, 2117 1000, 2118 0F, 2119 mLocationListeners[1]); 2120 } catch (java.lang.SecurityException ex) { 2121 Log.i(TAG, "fail to request location update, ignore", ex); 2122 } catch (IllegalArgumentException ex) { 2123 Log.d(TAG, "provider does not exist " + ex.getMessage()); 2124 } 2125 try { 2126 mLocationManager.requestLocationUpdates( 2127 LocationManager.GPS_PROVIDER, 2128 1000, 2129 0F, 2130 mLocationListeners[0]); 2131 showGpsOnScreenIndicator(false); 2132 } catch (java.lang.SecurityException ex) { 2133 Log.i(TAG, "fail to request location update, ignore", ex); 2134 } catch (IllegalArgumentException ex) { 2135 Log.d(TAG, "provider does not exist " + ex.getMessage()); 2136 } 2137 } 2138 } 2139 2140 private void stopReceivingLocationUpdates() { 2141 if (mLocationManager != null) { 2142 for (int i = 0; i < mLocationListeners.length; i++) { 2143 try { 2144 mLocationManager.removeUpdates(mLocationListeners[i]); 2145 } catch (Exception ex) { 2146 Log.i(TAG, "fail to remove location listners, ignore", ex); 2147 } 2148 } 2149 } 2150 hideGpsOnScreenIndicator(); 2151 } 2152 2153 private Location getCurrentLocation() { 2154 // go in best to worst order 2155 for (int i = 0; i < mLocationListeners.length; i++) { 2156 Location l = mLocationListeners[i].current(); 2157 if (l != null) return l; 2158 } 2159 return null; 2160 } 2161 2162 private boolean isCameraIdle() { 2163 return mStatus == IDLE && mFocusState == FOCUS_NOT_STARTED; 2164 } 2165 2166 private boolean isImageCaptureIntent() { 2167 String action = getIntent().getAction(); 2168 return (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)); 2169 } 2170 2171 private void setupCaptureParams() { 2172 Bundle myExtras = getIntent().getExtras(); 2173 if (myExtras != null) { 2174 mSaveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 2175 mCropValue = myExtras.getString("crop"); 2176 } 2177 } 2178 2179 private void showPostCaptureAlert() { 2180 if (mIsImageCaptureIntent) { 2181 findViewById(R.id.shutter_button).setVisibility(View.INVISIBLE); 2182 int[] pickIds = {R.id.btn_retake, R.id.btn_done}; 2183 for (int id : pickIds) { 2184 View button = findViewById(id); 2185 ((View) button.getParent()).setVisibility(View.VISIBLE); 2186 } 2187 } 2188 } 2189 2190 private void hidePostCaptureAlert() { 2191 if (mIsImageCaptureIntent) { 2192 findViewById(R.id.shutter_button).setVisibility(View.VISIBLE); 2193 int[] pickIds = {R.id.btn_retake, R.id.btn_done}; 2194 for (int id : pickIds) { 2195 View button = findViewById(id); 2196 ((View) button.getParent()).setVisibility(View.GONE); 2197 } 2198 } 2199 } 2200 2201 private int calculatePicturesRemaining() { 2202 mPicturesRemaining = MenuHelper.calculatePicturesRemaining(); 2203 return mPicturesRemaining; 2204 } 2205 2206 @Override 2207 public boolean onPrepareOptionsMenu(Menu menu) { 2208 super.onPrepareOptionsMenu(menu); 2209 // Only show the menu when camera is idle. 2210 for (int i = 0; i < menu.size(); i++) { 2211 menu.getItem(i).setVisible(isCameraIdle()); 2212 } 2213 2214 return true; 2215 } 2216 2217 @Override 2218 public boolean onCreateOptionsMenu(Menu menu) { 2219 super.onCreateOptionsMenu(menu); 2220 2221 if (mIsImageCaptureIntent) { 2222 // No options menu for attach mode. 2223 return false; 2224 } else { 2225 addBaseMenuItems(menu); 2226 } 2227 return true; 2228 } 2229 2230 private void addBaseMenuItems(Menu menu) { 2231 MenuHelper.addSwitchModeMenuItem(menu, true, new Runnable() { 2232 public void run() { 2233 switchToVideoMode(); 2234 } 2235 }); 2236 MenuItem gallery = menu.add(Menu.NONE, Menu.NONE, 2237 MenuHelper.POSITION_GOTO_GALLERY, 2238 R.string.camera_gallery_photos_text) 2239 .setOnMenuItemClickListener(new OnMenuItemClickListener() { 2240 public boolean onMenuItemClick(MenuItem item) { 2241 gotoGallery(); 2242 return true; 2243 } 2244 }); 2245 gallery.setIcon(android.R.drawable.ic_menu_gallery); 2246 mGalleryItems.add(gallery); 2247 2248 if (mNumberOfCameras > 1) { 2249 menu.add(Menu.NONE, Menu.NONE, 2250 MenuHelper.POSITION_SWITCH_CAMERA_ID, 2251 R.string.switch_camera_id) 2252 .setOnMenuItemClickListener(new OnMenuItemClickListener() { 2253 public boolean onMenuItemClick(MenuItem item) { 2254 switchCameraId((mCameraId + 1) % mNumberOfCameras); 2255 return true; 2256 } 2257 }).setIcon(android.R.drawable.ic_menu_camera); 2258 } 2259 } 2260 2261 private void switchCameraId(int cameraId) { 2262 if (mPausing || !isCameraIdle()) return; 2263 mCameraId = cameraId; 2264 CameraSettings.writePreferredCameraId(mPreferences, cameraId); 2265 2266 stopPreview(); 2267 closeCamera(); 2268 2269 // Remove the messages in the event queue. 2270 mHandler.removeMessages(RESTART_PREVIEW); 2271 2272 // Reset variables 2273 mJpegPictureCallbackTime = 0; 2274 mZoomValue = 0; 2275 2276 // Reload the preferences. 2277 mPreferences.setLocalId(this, mCameraId); 2278 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 2279 2280 // Restart the preview. 2281 resetExposureCompensation(); 2282 if (!restartPreview()) return; 2283 2284 initializeZoom(); 2285 2286 // Reload the UI. 2287 if (mFirstTimeInitialized) { 2288 initializeHeadUpDisplay(); 2289 } 2290 initializeControlPanel(); 2291 } 2292 2293 private boolean switchToVideoMode() { 2294 if (isFinishing() || !isCameraIdle()) return false; 2295 MenuHelper.gotoVideoMode(this); 2296 mHandler.removeMessages(FIRST_TIME_INIT); 2297 finish(); 2298 return true; 2299 } 2300 2301 public boolean onSwitchChanged(Switcher source, boolean onOff) { 2302 if (onOff == SWITCH_VIDEO) { 2303 return switchToVideoMode(); 2304 } else { 2305 return true; 2306 } 2307 } 2308 2309 private void onSharedPreferenceChanged() { 2310 // ignore the events after "onPause()" 2311 if (mPausing) return; 2312 2313 boolean recordLocation; 2314 2315 recordLocation = RecordLocationPreference.get( 2316 mPreferences, getContentResolver()); 2317 2318 if (mRecordLocation != recordLocation) { 2319 mRecordLocation = recordLocation; 2320 if (mRecordLocation) { 2321 startReceivingLocationUpdates(); 2322 } else { 2323 stopReceivingLocationUpdates(); 2324 } 2325 } 2326 int cameraId = CameraSettings.readPreferredCameraId(mPreferences); 2327 if (mCameraId != cameraId) { 2328 switchCameraId(cameraId); 2329 } else { 2330 setCameraParametersWhenIdle(UPDATE_PARAM_PREFERENCE); 2331 } 2332 } 2333 2334 @Override 2335 public void onUserInteraction() { 2336 super.onUserInteraction(); 2337 keepScreenOnAwhile(); 2338 } 2339 2340 private void resetScreenOn() { 2341 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 2342 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2343 } 2344 2345 private void keepScreenOnAwhile() { 2346 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 2347 getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2348 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 2349 } 2350 2351 private class MyHeadUpDisplayListener implements HeadUpDisplay.Listener { 2352 2353 public void onSharedPreferenceChanged() { 2354 Camera.this.onSharedPreferenceChanged(); 2355 } 2356 2357 public void onRestorePreferencesClicked() { 2358 Camera.this.onRestorePreferencesClicked(); 2359 } 2360 2361 public void onPopupWindowVisibilityChanged(int visibility) { 2362 } 2363 } 2364 2365 protected void onRestorePreferencesClicked() { 2366 if (mPausing) return; 2367 Runnable runnable = new Runnable() { 2368 public void run() { 2369 if (mHeadUpDisplay != null) { 2370 mHeadUpDisplay.restorePreferences(mParameters); 2371 } 2372 } 2373 }; 2374 MenuHelper.confirmAction(this, 2375 getString(R.string.confirm_restore_title), 2376 getString(R.string.confirm_restore_message), 2377 runnable); 2378 } 2379 2380 private class MyControlPanelListener implements ControlPanel.Listener { 2381 public void onSharedPreferenceChanged() { 2382 Camera.this.onSharedPreferenceChanged(); 2383 } 2384 } 2385} 2386 2387class FocusRectangle extends View { 2388 2389 @SuppressWarnings("unused") 2390 private static final String TAG = "FocusRectangle"; 2391 2392 public FocusRectangle(Context context, AttributeSet attrs) { 2393 super(context, attrs); 2394 } 2395 2396 private void setDrawable(int resid) { 2397 setBackgroundDrawable(getResources().getDrawable(resid)); 2398 } 2399 2400 public void showStart() { 2401 setDrawable(R.drawable.focus_focusing); 2402 } 2403 2404 public void showSuccess() { 2405 setDrawable(R.drawable.focus_focused); 2406 } 2407 2408 public void showFail() { 2409 setDrawable(R.drawable.focus_focus_failed); 2410 } 2411 2412 public void clear() { 2413 setBackgroundDrawable(null); 2414 } 2415} 2416 2417/* 2418 * Provide a mapping for Jpeg encoding quality levels 2419 * from String representation to numeric representation. 2420 */ 2421class JpegEncodingQualityMappings { 2422 private static final String TAG = "JpegEncodingQualityMappings"; 2423 private static final int DEFAULT_QUALITY = 85; 2424 private static HashMap<String, Integer> mHashMap = 2425 new HashMap<String, Integer>(); 2426 2427 static { 2428 mHashMap.put("normal", CameraProfile.QUALITY_LOW); 2429 mHashMap.put("fine", CameraProfile.QUALITY_MEDIUM); 2430 mHashMap.put("superfine", CameraProfile.QUALITY_HIGH); 2431 } 2432 2433 // Retrieve and return the Jpeg encoding quality number 2434 // for the given quality level. 2435 public static int getQualityNumber(String jpegQuality) { 2436 Integer quality = mHashMap.get(jpegQuality); 2437 if (quality == null) { 2438 Log.w(TAG, "Unknown Jpeg quality: " + jpegQuality); 2439 return DEFAULT_QUALITY; 2440 } 2441 return CameraProfile.getJpegEncodingQualityParameter(quality.intValue()); 2442 } 2443} 2444