Camera.java revision 68b42c6483dfdde2ba899ba09f2122b0c2a5d556
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.SettingsWheel; 26import com.android.camera.ui.ZoomControllerListener; 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.util.AttributeSet; 64import android.util.Log; 65import android.view.GestureDetector; 66import android.view.KeyEvent; 67import android.view.LayoutInflater; 68import android.view.Menu; 69import android.view.MenuItem; 70import android.view.MotionEvent; 71import android.view.OrientationEventListener; 72import android.view.SurfaceHolder; 73import android.view.SurfaceView; 74import android.view.View; 75import android.view.ViewGroup; 76import android.view.ViewStub; 77import android.view.Window; 78import android.view.WindowManager; 79import android.view.MenuItem.OnMenuItemClickListener; 80import android.widget.AdapterView; 81import android.widget.CursorAdapter; 82import android.widget.FrameLayout; 83import android.widget.ListView; 84import android.widget.AdapterView.OnItemClickListener; 85 86import java.io.File; 87import java.io.FileNotFoundException; 88import java.io.FileOutputStream; 89import java.io.IOException; 90import java.io.OutputStream; 91import java.text.SimpleDateFormat; 92import java.util.ArrayList; 93import java.util.Collections; 94import java.util.Date; 95import java.util.HashMap; 96import java.util.List; 97 98/** The Camera activity which can preview and take pictures. */ 99public class Camera extends NoSearchActivity implements View.OnClickListener, 100 ShutterButton.OnShutterButtonListener, SurfaceHolder.Callback, 101 Switcher.OnSwitchListener { 102 103 private static final String TAG = "camera"; 104 105 private static final int CROP_MSG = 1; 106 private static final int FIRST_TIME_INIT = 2; 107 private static final int RESTART_PREVIEW = 3; 108 private static final int CLEAR_SCREEN_DELAY = 4; 109 private static final int SET_CAMERA_PARAMETERS_WHEN_IDLE = 5; 110 111 // The subset of parameters we need to update in setCameraParameters(). 112 private static final int UPDATE_PARAM_INITIALIZE = 1; 113 private static final int UPDATE_PARAM_ZOOM = 2; 114 private static final int UPDATE_PARAM_PREFERENCE = 4; 115 private static final int UPDATE_PARAM_ALL = -1; 116 117 // When setCameraParametersWhenIdle() is called, we accumulate the subsets 118 // needed to be updated in mUpdateSet. 119 private int mUpdateSet; 120 121 // The brightness settings used when it is set to automatic in the system. 122 // The reason why it is set to 0.7 is just because 1.0 is too bright. 123 private static final float DEFAULT_CAMERA_BRIGHTNESS = 0.7f; 124 125 private static final int SCREEN_DELAY = 2 * 60 * 1000; 126 private static final int FOCUS_BEEP_VOLUME = 100; 127 128 private static final int ZOOM_STOPPED = 0; 129 private static final int ZOOM_START = 1; 130 private static final int ZOOM_STOPPING = 2; 131 132 private int mZoomState = ZOOM_STOPPED; 133 private boolean mSmoothZoomSupported = false; 134 private int mZoomValue; // The current zoom value. 135 private int mZoomMax; 136 private int mTargetZoomValue; 137 private ZoomPicker mZoomPicker; 138 139 private Parameters mParameters; 140 private Parameters mInitialParams; 141 142 private MyOrientationEventListener mOrientationListener; 143 // The device orientation in degrees. Default is unknown. 144 private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; 145 // The orientation compensation for icons and thumbnails. 146 private int mOrientationCompensation = 0; 147 private ComboPreferences mPreferences; 148 149 private static final int IDLE = 1; 150 private static final int SNAPSHOT_IN_PROGRESS = 2; 151 152 private static final boolean SWITCH_CAMERA = true; 153 private static final boolean SWITCH_VIDEO = false; 154 155 private int mStatus = IDLE; 156 private static final String sTempCropFilename = "crop-temp"; 157 158 private android.hardware.Camera mCameraDevice; 159 private ContentProviderClient mMediaProviderClient; 160 private SurfaceView mSurfaceView; 161 private SurfaceHolder mSurfaceHolder = null; 162 private ShutterButton mShutterButton; 163 private FocusRectangle mFocusRectangle; 164 private ToneGenerator mFocusToneGenerator; 165 private GestureDetector mGestureDetector; 166 private Switcher mSwitcher; 167 private boolean mStartPreviewFail = false; 168 169 private GLRootView mGLRootView; 170 171 // The layouts of small devices have a thumbnail button, which shows the last 172 // captured picture. 173 private RotateImageView mThumbnailButton; 174 // The layouts of xlarge devices have a list of thumbnails, which show the 175 // last captured pictures. 176 private ListView mThumbnailList; 177 private OnItemClickListener mThumbnailItemClickListener = 178 new ThumbnailItemClickListener(); 179 180 // mCropValue and mSaveUri are used only if isImageCaptureIntent() is true. 181 private String mCropValue; 182 private Uri mSaveUri; 183 184 private ImageCapture mImageCapture = null; 185 186 private boolean mPreviewing; 187 private boolean mPausing; 188 private boolean mFirstTimeInitialized; 189 private boolean mIsImageCaptureIntent; 190 private boolean mRecordLocation; 191 192 private static final int FOCUS_NOT_STARTED = 0; 193 private static final int FOCUSING = 1; 194 private static final int FOCUSING_SNAP_ON_FINISH = 2; 195 private static final int FOCUS_SUCCESS = 3; 196 private static final int FOCUS_FAIL = 4; 197 private int mFocusState = FOCUS_NOT_STARTED; 198 199 private ContentResolver mContentResolver; 200 private boolean mDidRegister = false; 201 202 private final ArrayList<MenuItem> mGalleryItems = new ArrayList<MenuItem>(); 203 204 private LocationManager mLocationManager = null; 205 206 private final ShutterCallback mShutterCallback = new ShutterCallback(); 207 private final PostViewPictureCallback mPostViewPictureCallback = 208 new PostViewPictureCallback(); 209 private final RawPictureCallback mRawPictureCallback = 210 new RawPictureCallback(); 211 private final AutoFocusCallback mAutoFocusCallback = 212 new AutoFocusCallback(); 213 private final ZoomListener mZoomListener = new ZoomListener(); 214 // Use the ErrorCallback to capture the crash count 215 // on the mediaserver 216 private final ErrorCallback mErrorCallback = new ErrorCallback(); 217 218 private long mFocusStartTime; 219 private long mFocusCallbackTime; 220 private long mCaptureStartTime; 221 private long mShutterCallbackTime; 222 private long mPostViewPictureCallbackTime; 223 private long mRawPictureCallbackTime; 224 private long mJpegPictureCallbackTime; 225 private int mPicturesRemaining; 226 227 // These latency time are for the CameraLatency test. 228 public long mAutoFocusTime; 229 public long mShutterLag; 230 public long mShutterToPictureDisplayedTime; 231 public long mPictureDisplayedToJpegCallbackTime; 232 public long mJpegCallbackFinishTime; 233 234 // Add for test 235 public static boolean mMediaServerDied = false; 236 237 // Focus mode. Options are pref_camera_focusmode_entryvalues. 238 private String mFocusMode; 239 private String mSceneMode; 240 241 private final Handler mHandler = new MainHandler(); 242 private CameraHeadUpDisplay mHeadUpDisplay; 243 private SettingsWheel mSettingsWheel; 244 private BasicSettingPicker mWhiteBalancePicker; 245 private PreferenceGroup mPreferenceGroup; 246 247 // multiple cameras support 248 private int mNumberOfCameras; 249 private int mCameraId; 250 251 /** 252 * This Handler is used to post message back onto the main thread of the 253 * application 254 */ 255 private class MainHandler extends Handler { 256 @Override 257 public void handleMessage(Message msg) { 258 switch (msg.what) { 259 case RESTART_PREVIEW: { 260 restartPreview(); 261 if (mJpegPictureCallbackTime != 0) { 262 long now = System.currentTimeMillis(); 263 mJpegCallbackFinishTime = now - mJpegPictureCallbackTime; 264 Log.v(TAG, "mJpegCallbackFinishTime = " 265 + mJpegCallbackFinishTime + "ms"); 266 mJpegPictureCallbackTime = 0; 267 } 268 break; 269 } 270 271 case CLEAR_SCREEN_DELAY: { 272 getWindow().clearFlags( 273 WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 274 break; 275 } 276 277 case FIRST_TIME_INIT: { 278 initializeFirstTime(); 279 break; 280 } 281 282 case SET_CAMERA_PARAMETERS_WHEN_IDLE: { 283 setCameraParametersWhenIdle(0); 284 break; 285 } 286 } 287 } 288 } 289 290 private void resetExposureCompensation() { 291 String value = mPreferences.getString(CameraSettings.KEY_EXPOSURE, 292 CameraSettings.EXPOSURE_DEFAULT_VALUE); 293 if (!CameraSettings.EXPOSURE_DEFAULT_VALUE.equals(value)) { 294 Editor editor = mPreferences.edit(); 295 editor.putString(CameraSettings.KEY_EXPOSURE, "0"); 296 editor.apply(); 297 if (mHeadUpDisplay != null) { 298 mHeadUpDisplay.reloadPreferences(); 299 } 300 } 301 } 302 303 private void keepMediaProviderInstance() { 304 // We want to keep a reference to MediaProvider in camera's lifecycle. 305 // TODO: Utilize mMediaProviderClient instance to replace 306 // ContentResolver calls. 307 if (mMediaProviderClient == null) { 308 mMediaProviderClient = getContentResolver() 309 .acquireContentProviderClient(MediaStore.AUTHORITY); 310 } 311 } 312 313 // Snapshots can only be taken after this is called. It should be called 314 // once only. We could have done these things in onCreate() but we want to 315 // make preview screen appear as soon as possible. 316 private void initializeFirstTime() { 317 if (mFirstTimeInitialized) return; 318 319 // Create orientation listenter. This should be done first because it 320 // takes some time to get first orientation. 321 mOrientationListener = new MyOrientationEventListener(Camera.this); 322 mOrientationListener.enable(); 323 324 // Initialize location sevice. 325 mLocationManager = (LocationManager) 326 getSystemService(Context.LOCATION_SERVICE); 327 mRecordLocation = RecordLocationPreference.get( 328 mPreferences, getContentResolver()); 329 if (mRecordLocation) startReceivingLocationUpdates(); 330 331 keepMediaProviderInstance(); 332 checkStorage(); 333 334 // Initialize last picture button. 335 mContentResolver = getContentResolver(); 336 if (!mIsImageCaptureIntent) { 337 findViewById(R.id.camera_switch).setOnClickListener(this); 338 initThumbnailButton(); 339 initThumbnailList(); 340 } 341 342 // Initialize shutter button. 343 mShutterButton = (ShutterButton) findViewById(R.id.shutter_button); 344 mShutterButton.setOnShutterButtonListener(this); 345 mShutterButton.setVisibility(View.VISIBLE); 346 347 mFocusRectangle = (FocusRectangle) findViewById(R.id.focus_rectangle); 348 updateFocusIndicator(); 349 350 initializeScreenBrightness(); 351 installIntentFilter(); 352 initializeFocusTone(); 353 initializeZoom(); 354 mHeadUpDisplay = new CameraHeadUpDisplay(this); 355 mHeadUpDisplay.setListener(new MyHeadUpDisplayListener()); 356 initializeHeadUpDisplay(); 357 initializeSettingsWheel(); 358 mFirstTimeInitialized = true; 359 changeHeadUpDisplayState(); 360 addIdleHandler(); 361 } 362 363 private void addIdleHandler() { 364 MessageQueue queue = Looper.myQueue(); 365 queue.addIdleHandler(new MessageQueue.IdleHandler() { 366 public boolean queueIdle() { 367 ImageManager.ensureOSXCompatibleFolder(); 368 return false; 369 } 370 }); 371 } 372 373 private void initThumbnailButton() { 374 mThumbnailButton = 375 (RotateImageView) findViewById(R.id.review_thumbnail); 376 if (mThumbnailButton != null) { 377 mThumbnailButton.setOnClickListener(this); 378 mThumbnailButton.loadData(ImageManager.getLastImageThumbPath()); 379 updateThumbnailButton(); 380 } 381 } 382 383 private void updateThumbnailButton() { 384 if (mThumbnailButton == null) return; 385 // Update last image if URI is invalid and the storage is ready. 386 if (!mThumbnailButton.isUriValid() && mPicturesRemaining >= 0) { 387 IImageList list = ImageManager.makeImageList( 388 mContentResolver, 389 dataLocation(), 390 ImageManager.INCLUDE_IMAGES, 391 ImageManager.SORT_ASCENDING, 392 ImageManager.CAMERA_IMAGE_BUCKET_ID); 393 int count = list.getCount(); 394 if (count > 0) { 395 IImage image = list.getImageAt(count - 1); 396 Uri uri = image.fullSizeImageUri(); 397 mThumbnailButton.setData(uri, image.miniThumbBitmap()); 398 } else { 399 mThumbnailButton.setData(null, null); 400 } 401 list.close(); 402 } 403 } 404 405 private void setLastPictureThumb(byte[] data, int degree, Uri uri) { 406 if (mThumbnailButton == null) return; 407 BitmapFactory.Options options = new BitmapFactory.Options(); 408 options.inSampleSize = 16; 409 Bitmap lastPictureThumb = 410 BitmapFactory.decodeByteArray(data, 0, data.length, options); 411 lastPictureThumb = Util.rotate(lastPictureThumb, degree); 412 mThumbnailButton.setData(uri, lastPictureThumb); 413 } 414 415 private void initThumbnailList() { 416 mThumbnailList = (ListView) findViewById(R.id.image_list); 417 if (mThumbnailList != null) { 418 int width = mThumbnailList.getWidth(); 419 int height = mThumbnailList.getHeight(); 420 int thumbnailCount = (height + mThumbnailList.getDividerHeight()) 421 / (width + mThumbnailList.getDividerHeight()); 422 Cursor cursor = getThumbnailsCursor(thumbnailCount); 423 ThumbnailAdapter adapter = new ThumbnailAdapter( 424 getApplicationContext(), R.layout.thumbnail_item, cursor, 425 true); 426 mThumbnailList.setAdapter(adapter); 427 mThumbnailList.setOnItemClickListener(mThumbnailItemClickListener); 428 } 429 } 430 431 private void updateThumbnailList() { 432 if (mThumbnailList == null) return; 433 CursorAdapter adapter = (CursorAdapter) mThumbnailList.getAdapter(); 434 Cursor cursor = adapter.getCursor(); 435 cursor.requery(); 436 adapter.notifyDataSetChanged(); 437 } 438 439 private Cursor getThumbnailsCursor(int thumbnailCount) { 440 Log.v(TAG, "thumbnailCount=" + thumbnailCount); 441 String[] projections = { MediaStore.Images.Thumbnails._ID }; 442 Uri uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI 443 .buildUpon() 444 .appendQueryParameter("limit", String.valueOf(thumbnailCount)) 445 .build(); 446 // TODO: managedQuery is deprecated. 447 return managedQuery(uri, projections, null, null, 448 ImageColumns._ID + " DESC"); 449 } 450 451 // If the activity is paused and resumed, this method will be called in 452 // onResume. 453 private void initializeSecondTime() { 454 // Start orientation listener as soon as possible because it takes 455 // some time to get first orientation. 456 mOrientationListener.enable(); 457 458 // Start location update if needed. 459 mRecordLocation = RecordLocationPreference.get( 460 mPreferences, getContentResolver()); 461 if (mRecordLocation) startReceivingLocationUpdates(); 462 463 installIntentFilter(); 464 initializeFocusTone(); 465 initializeZoom(); 466 changeHeadUpDisplayState(); 467 468 keepMediaProviderInstance(); 469 checkStorage(); 470 471 if (!mIsImageCaptureIntent) { 472 updateThumbnailButton(); 473 } 474 } 475 476 private void initializeZoom() { 477 if (!mParameters.isZoomSupported()) return; 478 479 mZoomMax = mParameters.getMaxZoom(); 480 mSmoothZoomSupported = mParameters.isSmoothZoomSupported(); 481 mGestureDetector = new GestureDetector(this, new ZoomGestureListener()); 482 ViewStub zoomStub = (ViewStub) findViewById(R.id.zoom_stub); 483 if (zoomStub != null) { 484 mZoomPicker = (ZoomPicker) zoomStub.inflate(); 485 mZoomPicker.setZoomRatios(getZoomRatios()); 486 mZoomPicker.setOnZoomChangeListener( 487 new ZoomPicker.OnZoomChangedListener() { 488 public void onZoomChanged(int index) { 489 onZoomValueChanged(index); 490 } 491 }); 492 } 493 494 mCameraDevice.setZoomChangeListener(mZoomListener); 495 } 496 497 private void onZoomValueChanged(int index) { 498 if (mSmoothZoomSupported) { 499 if (mTargetZoomValue != index && mZoomState != ZOOM_STOPPED) { 500 mTargetZoomValue = index; 501 if (mZoomState == ZOOM_START) { 502 mZoomState = ZOOM_STOPPING; 503 mCameraDevice.stopSmoothZoom(); 504 } 505 } else if (mZoomState == ZOOM_STOPPED && mZoomValue != index) { 506 mTargetZoomValue = index; 507 mCameraDevice.startSmoothZoom(index); 508 mZoomState = ZOOM_START; 509 } 510 } else { 511 mZoomValue = index; 512 setCameraParametersWhenIdle(UPDATE_PARAM_ZOOM); 513 } 514 } 515 516 private float[] getZoomRatios() { 517 if(!mParameters.isZoomSupported()) return null; 518 List<Integer> zoomRatios = mParameters.getZoomRatios(); 519 float result[] = new float[zoomRatios.size()]; 520 for (int i = 0, n = result.length; i < n; ++i) { 521 result[i] = (float) zoomRatios.get(i) / 100f; 522 } 523 return result; 524 } 525 526 private class ZoomGestureListener extends 527 GestureDetector.SimpleOnGestureListener { 528 529 @Override 530 public boolean onDoubleTap(MotionEvent e) { 531 // Perform zoom only when preview is started and snapshot is not in 532 // progress. 533 if (mPausing || !isCameraIdle() || !mPreviewing 534 || mZoomState != ZOOM_STOPPED) { 535 return false; 536 } 537 538 if (mZoomValue < mZoomMax) { 539 // Zoom in to the maximum. 540 mZoomValue = mZoomMax; 541 } else { 542 mZoomValue = 0; 543 } 544 545 setCameraParametersWhenIdle(UPDATE_PARAM_ZOOM); 546 547 if (mZoomPicker != null) { 548 mZoomPicker.setZoomIndex(mZoomValue); 549 } else { 550 mHeadUpDisplay.setZoomIndex(mZoomValue); 551 } 552 return true; 553 } 554 } 555 556 @Override 557 public boolean dispatchTouchEvent(MotionEvent m) { 558 if (!super.dispatchTouchEvent(m) && mGestureDetector != null) { 559 return mGestureDetector.onTouchEvent(m); 560 } 561 return true; 562 } 563 564 LocationListener [] mLocationListeners = new LocationListener[] { 565 new LocationListener(LocationManager.GPS_PROVIDER), 566 new LocationListener(LocationManager.NETWORK_PROVIDER) 567 }; 568 569 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 570 @Override 571 public void onReceive(Context context, Intent intent) { 572 String action = intent.getAction(); 573 if (action.equals(Intent.ACTION_MEDIA_MOUNTED) 574 || action.equals(Intent.ACTION_MEDIA_UNMOUNTED) 575 || action.equals(Intent.ACTION_MEDIA_CHECKING)) { 576 checkStorage(); 577 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) { 578 checkStorage(); 579 if (!mIsImageCaptureIntent) { 580 updateThumbnailButton(); 581 updateThumbnailList(); 582 } 583 } 584 } 585 }; 586 587 private class LocationListener 588 implements android.location.LocationListener { 589 Location mLastLocation; 590 boolean mValid = false; 591 String mProvider; 592 593 public LocationListener(String provider) { 594 mProvider = provider; 595 mLastLocation = new Location(mProvider); 596 } 597 598 public void onLocationChanged(Location newLocation) { 599 if (newLocation.getLatitude() == 0.0 600 && newLocation.getLongitude() == 0.0) { 601 // Hack to filter out 0.0,0.0 locations 602 return; 603 } 604 // If GPS is available before start camera, we won't get status 605 // update so update GPS indicator when we receive data. 606 if (mRecordLocation 607 && LocationManager.GPS_PROVIDER.equals(mProvider)) { 608 if (mHeadUpDisplay != null) { 609 mHeadUpDisplay.setGpsHasSignal(true); 610 } 611 } 612 mLastLocation.set(newLocation); 613 mValid = true; 614 } 615 616 public void onProviderEnabled(String provider) { 617 } 618 619 public void onProviderDisabled(String provider) { 620 mValid = false; 621 } 622 623 public void onStatusChanged( 624 String provider, int status, Bundle extras) { 625 switch(status) { 626 case LocationProvider.OUT_OF_SERVICE: 627 case LocationProvider.TEMPORARILY_UNAVAILABLE: { 628 mValid = false; 629 if (mRecordLocation && 630 LocationManager.GPS_PROVIDER.equals(provider)) { 631 if (mHeadUpDisplay != null) { 632 mHeadUpDisplay.setGpsHasSignal(false); 633 } 634 } 635 break; 636 } 637 } 638 } 639 640 public Location current() { 641 return mValid ? mLastLocation : null; 642 } 643 } 644 645 private final class ShutterCallback 646 implements android.hardware.Camera.ShutterCallback { 647 public void onShutter() { 648 mShutterCallbackTime = System.currentTimeMillis(); 649 mShutterLag = mShutterCallbackTime - mCaptureStartTime; 650 Log.v(TAG, "mShutterLag = " + mShutterLag + "ms"); 651 clearFocusState(); 652 } 653 } 654 655 private final class PostViewPictureCallback implements PictureCallback { 656 public void onPictureTaken( 657 byte [] data, android.hardware.Camera camera) { 658 mPostViewPictureCallbackTime = System.currentTimeMillis(); 659 Log.v(TAG, "mShutterToPostViewCallbackTime = " 660 + (mPostViewPictureCallbackTime - mShutterCallbackTime) 661 + "ms"); 662 } 663 } 664 665 private final class RawPictureCallback implements PictureCallback { 666 public void onPictureTaken( 667 byte [] rawData, android.hardware.Camera camera) { 668 mRawPictureCallbackTime = System.currentTimeMillis(); 669 Log.v(TAG, "mShutterToRawCallbackTime = " 670 + (mRawPictureCallbackTime - mShutterCallbackTime) + "ms"); 671 } 672 } 673 674 private final class JpegPictureCallback implements PictureCallback { 675 Location mLocation; 676 677 public JpegPictureCallback(Location loc) { 678 mLocation = loc; 679 } 680 681 public void onPictureTaken( 682 final byte [] jpegData, final android.hardware.Camera camera) { 683 if (mPausing) { 684 return; 685 } 686 687 mJpegPictureCallbackTime = System.currentTimeMillis(); 688 // If postview callback has arrived, the captured image is displayed 689 // in postview callback. If not, the captured image is displayed in 690 // raw picture callback. 691 if (mPostViewPictureCallbackTime != 0) { 692 mShutterToPictureDisplayedTime = 693 mPostViewPictureCallbackTime - mShutterCallbackTime; 694 mPictureDisplayedToJpegCallbackTime = 695 mJpegPictureCallbackTime - mPostViewPictureCallbackTime; 696 } else { 697 mShutterToPictureDisplayedTime = 698 mRawPictureCallbackTime - mShutterCallbackTime; 699 mPictureDisplayedToJpegCallbackTime = 700 mJpegPictureCallbackTime - mRawPictureCallbackTime; 701 } 702 Log.v(TAG, "mPictureDisplayedToJpegCallbackTime = " 703 + mPictureDisplayedToJpegCallbackTime + "ms"); 704 mHeadUpDisplay.setEnabled(true); 705 706 if (!mIsImageCaptureIntent) { 707 // We want to show the taken picture for a while, so we wait 708 // for at least 1.2 second before restarting the preview. 709 long delay = 1200 - mPictureDisplayedToJpegCallbackTime; 710 if (delay < 0) { 711 restartPreview(); 712 } else { 713 mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, delay); 714 } 715 } 716 mImageCapture.storeImage(jpegData, camera, mLocation); 717 718 // Calculate this in advance of each shot so we don't add to shutter 719 // latency. It's true that someone else could write to the SD card in 720 // the mean time and fill it, but that could have happened between the 721 // shutter press and saving the JPEG too. 722 calculatePicturesRemaining(); 723 724 if (mPicturesRemaining < 1) { 725 updateStorageHint(mPicturesRemaining); 726 } 727 728 if (!mHandler.hasMessages(RESTART_PREVIEW)) { 729 long now = System.currentTimeMillis(); 730 mJpegCallbackFinishTime = now - mJpegPictureCallbackTime; 731 Log.v(TAG, "mJpegCallbackFinishTime = " 732 + mJpegCallbackFinishTime + "ms"); 733 mJpegPictureCallbackTime = 0; 734 } 735 } 736 } 737 738 private final class AutoFocusCallback 739 implements android.hardware.Camera.AutoFocusCallback { 740 public void onAutoFocus( 741 boolean focused, android.hardware.Camera camera) { 742 mFocusCallbackTime = System.currentTimeMillis(); 743 mAutoFocusTime = mFocusCallbackTime - mFocusStartTime; 744 Log.v(TAG, "mAutoFocusTime = " + mAutoFocusTime + "ms"); 745 if (mFocusState == FOCUSING_SNAP_ON_FINISH) { 746 // Take the picture no matter focus succeeds or fails. No need 747 // to play the AF sound if we're about to play the shutter 748 // sound. 749 if (focused) { 750 mFocusState = FOCUS_SUCCESS; 751 } else { 752 mFocusState = FOCUS_FAIL; 753 } 754 mImageCapture.onSnap(); 755 } else if (mFocusState == FOCUSING) { 756 // User is half-pressing the focus key. Play the focus tone. 757 // Do not take the picture now. 758 ToneGenerator tg = mFocusToneGenerator; 759 if (tg != null) { 760 tg.startTone(ToneGenerator.TONE_PROP_BEEP2); 761 } 762 if (focused) { 763 mFocusState = FOCUS_SUCCESS; 764 } else { 765 mFocusState = FOCUS_FAIL; 766 } 767 } else if (mFocusState == FOCUS_NOT_STARTED) { 768 // User has released the focus key before focus completes. 769 // Do nothing. 770 } 771 updateFocusIndicator(); 772 } 773 } 774 775 private static final class ErrorCallback 776 implements android.hardware.Camera.ErrorCallback { 777 public void onError(int error, android.hardware.Camera camera) { 778 if (error == android.hardware.Camera.CAMERA_ERROR_SERVER_DIED) { 779 mMediaServerDied = true; 780 Log.v(TAG, "media server died"); 781 } 782 } 783 } 784 785 private final class ZoomListener 786 implements android.hardware.Camera.OnZoomChangeListener { 787 public void onZoomChange( 788 int value, boolean stopped, android.hardware.Camera camera) { 789 Log.v(TAG, "Zoom changed: value=" + value + ". stopped="+ stopped); 790 mZoomValue = value; 791 // Keep mParameters up to date. We do not getParameter again in 792 // takePicture. If we do not do this, wrong zoom value will be set. 793 mParameters.setZoom(value); 794 // We only care if the zoom is stopped. mZooming is set to true when 795 // we start smooth zoom. 796 if (stopped && mZoomState != ZOOM_STOPPED) { 797 if (value != mTargetZoomValue) { 798 mCameraDevice.startSmoothZoom(mTargetZoomValue); 799 mZoomState = ZOOM_START; 800 } else { 801 mZoomState = ZOOM_STOPPED; 802 } 803 } 804 } 805 } 806 807 private class ImageCapture { 808 809 private Uri mLastContentUri; 810 811 byte[] mCaptureOnlyData; 812 813 // Returns the rotation degree in the jpeg header. 814 private int storeImage(byte[] data, Location loc) { 815 try { 816 long dateTaken = System.currentTimeMillis(); 817 String title = createName(dateTaken); 818 String filename = title + ".jpg"; 819 int[] degree = new int[1]; 820 mLastContentUri = ImageManager.addImage( 821 mContentResolver, 822 title, 823 dateTaken, 824 loc, // location from gps/network 825 ImageManager.CAMERA_IMAGE_BUCKET_NAME, filename, 826 null, data, 827 degree); 828 return degree[0]; 829 } catch (Exception ex) { 830 Log.e(TAG, "Exception while compressing image.", ex); 831 return 0; 832 } 833 } 834 835 public void storeImage(final byte[] data, 836 android.hardware.Camera camera, Location loc) { 837 if (!mIsImageCaptureIntent) { 838 int degree = storeImage(data, loc); 839 sendBroadcast(new Intent( 840 "com.android.camera.NEW_PICTURE", mLastContentUri)); 841 setLastPictureThumb(data, degree, 842 mImageCapture.getLastCaptureUri()); 843 updateThumbnailList(); 844 } else { 845 mCaptureOnlyData = data; 846 showPostCaptureAlert(); 847 } 848 } 849 850 /** 851 * Initiate the capture of an image. 852 */ 853 public void initiate() { 854 if (mCameraDevice == null) { 855 return; 856 } 857 858 capture(); 859 } 860 861 public Uri getLastCaptureUri() { 862 return mLastContentUri; 863 } 864 865 public byte[] getLastCaptureData() { 866 return mCaptureOnlyData; 867 } 868 869 private void capture() { 870 mCaptureOnlyData = null; 871 872 // Set JPEG rotation to match the orientation of what users see. The 873 // rotation is relative to the orientation of the camera. The value 874 // from OrientationEventListener is relative to the natural 875 // orientation of the device. CameraInfo.mOrientation is the angle 876 // between camera orientation and natural device orientation. The 877 // sum of the two is the value for setRotation. 878 int rotation = 0; 879 if (mOrientation != OrientationEventListener.ORIENTATION_UNKNOWN) { 880 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 881 rotation = (mOrientation + info.orientation) % 360; 882 } 883 mParameters.setRotation(rotation); 884 885 // Clear previous GPS location from the parameters. 886 mParameters.removeGpsData(); 887 888 // We always encode GpsTimeStamp 889 mParameters.setGpsTimestamp(System.currentTimeMillis() / 1000); 890 891 // Set GPS location. 892 Location loc = mRecordLocation ? getCurrentLocation() : null; 893 if (loc != null) { 894 double lat = loc.getLatitude(); 895 double lon = loc.getLongitude(); 896 boolean hasLatLon = (lat != 0.0d) || (lon != 0.0d); 897 898 if (hasLatLon) { 899 mParameters.setGpsLatitude(lat); 900 mParameters.setGpsLongitude(lon); 901 mParameters.setGpsProcessingMethod(loc.getProvider().toUpperCase()); 902 if (loc.hasAltitude()) { 903 mParameters.setGpsAltitude(loc.getAltitude()); 904 } else { 905 // for NETWORK_PROVIDER location provider, we may have 906 // no altitude information, but the driver needs it, so 907 // we fake one. 908 mParameters.setGpsAltitude(0); 909 } 910 if (loc.getTime() != 0) { 911 // Location.getTime() is UTC in milliseconds. 912 // gps-timestamp is UTC in seconds. 913 long utcTimeSeconds = loc.getTime() / 1000; 914 mParameters.setGpsTimestamp(utcTimeSeconds); 915 } 916 } else { 917 loc = null; 918 } 919 } 920 921 mCameraDevice.setParameters(mParameters); 922 923 mCameraDevice.takePicture(mShutterCallback, mRawPictureCallback, 924 mPostViewPictureCallback, new JpegPictureCallback(loc)); 925 mPreviewing = false; 926 } 927 928 public void onSnap() { 929 // If we are already in the middle of taking a snapshot then ignore. 930 if (mPausing || mStatus == SNAPSHOT_IN_PROGRESS) { 931 return; 932 } 933 mCaptureStartTime = System.currentTimeMillis(); 934 mPostViewPictureCallbackTime = 0; 935 mHeadUpDisplay.setEnabled(false); 936 mStatus = SNAPSHOT_IN_PROGRESS; 937 938 mImageCapture.initiate(); 939 } 940 941 private void clearLastData() { 942 mCaptureOnlyData = null; 943 } 944 } 945 946 private boolean saveDataToFile(String filePath, byte[] data) { 947 FileOutputStream f = null; 948 try { 949 f = new FileOutputStream(filePath); 950 f.write(data); 951 } catch (IOException e) { 952 return false; 953 } finally { 954 MenuHelper.closeSilently(f); 955 } 956 return true; 957 } 958 959 private String createName(long dateTaken) { 960 Date date = new Date(dateTaken); 961 SimpleDateFormat dateFormat = new SimpleDateFormat( 962 getString(R.string.image_file_name_format)); 963 964 return dateFormat.format(date); 965 } 966 967 @Override 968 public void onCreate(Bundle icicle) { 969 super.onCreate(icicle); 970 971 setContentView(R.layout.camera); 972 mSurfaceView = (SurfaceView) findViewById(R.id.camera_preview); 973 974 mPreferences = new ComboPreferences(this); 975 CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal()); 976 mCameraId = CameraSettings.readPreferredCameraId(mPreferences); 977 mPreferences.setLocalId(this, mCameraId); 978 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 979 980 mNumberOfCameras = CameraHolder.instance().getNumberOfCameras(); 981 982 // we need to reset exposure for the preview 983 resetExposureCompensation(); 984 /* 985 * To reduce startup time, we start the preview in another thread. 986 * We make sure the preview is started at the end of onCreate. 987 */ 988 Thread startPreviewThread = new Thread(new Runnable() { 989 public void run() { 990 try { 991 mStartPreviewFail = false; 992 startPreview(); 993 } catch (CameraHardwareException e) { 994 // In eng build, we throw the exception so that test tool 995 // can detect it and report it 996 if ("eng".equals(Build.TYPE)) { 997 throw new RuntimeException(e); 998 } 999 mStartPreviewFail = true; 1000 } 1001 } 1002 }); 1003 startPreviewThread.start(); 1004 1005 // don't set mSurfaceHolder here. We have it set ONLY within 1006 // surfaceChanged / surfaceDestroyed, other parts of the code 1007 // assume that when it is set, the surface is also set. 1008 SurfaceHolder holder = mSurfaceView.getHolder(); 1009 holder.addCallback(this); 1010 holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); 1011 1012 mIsImageCaptureIntent = isImageCaptureIntent(); 1013 if (mIsImageCaptureIntent) { 1014 setupCaptureParams(); 1015 } 1016 1017 LayoutInflater inflater = getLayoutInflater(); 1018 1019 ViewGroup rootView = (ViewGroup) findViewById(R.id.camera); 1020 if (mIsImageCaptureIntent) { 1021 View controlBar = inflater.inflate( 1022 R.layout.attach_camera_control, rootView); 1023 controlBar.findViewById(R.id.btn_cancel).setOnClickListener(this); 1024 controlBar.findViewById(R.id.btn_retake).setOnClickListener(this); 1025 controlBar.findViewById(R.id.btn_done).setOnClickListener(this); 1026 } else { 1027 inflater.inflate(R.layout.camera_control, rootView); 1028 mSwitcher = ((Switcher) findViewById(R.id.camera_switch)); 1029 mSwitcher.setOnSwitchListener(this); 1030 mSwitcher.addTouchView(findViewById(R.id.camera_switch_set)); 1031 } 1032 1033 // Make sure preview is started. 1034 try { 1035 startPreviewThread.join(); 1036 if (mStartPreviewFail) { 1037 showCameraErrorAndFinish(); 1038 return; 1039 } 1040 } catch (InterruptedException ex) { 1041 // ignore 1042 } 1043 } 1044 1045 private void changeHeadUpDisplayState() { 1046 // If the camera resumes behind the lock screen, the orientation 1047 // will be portrait. That causes OOM when we try to allocation GPU 1048 // memory for the GLSurfaceView again when the orientation changes. So, 1049 // we delayed initialization of HeadUpDisplay until the orientation 1050 // becomes landscape. 1051 Configuration config = getResources().getConfiguration(); 1052 if (config.orientation == Configuration.ORIENTATION_LANDSCAPE 1053 && !mPausing && mFirstTimeInitialized) { 1054 if (mGLRootView == null) attachHeadUpDisplay(); 1055 } else if (mGLRootView != null) { 1056 detachHeadUpDisplay(); 1057 } 1058 } 1059 1060 private void overrideHudSettings(final String flashMode, 1061 final String whiteBalance, final String focusMode) { 1062 mHeadUpDisplay.overrideSettings( 1063 CameraSettings.KEY_FLASH_MODE, flashMode, 1064 CameraSettings.KEY_WHITE_BALANCE, whiteBalance, 1065 CameraSettings.KEY_FOCUS_MODE, focusMode); 1066 } 1067 1068 private void updateSceneModeInHud() { 1069 // If scene mode is set, we cannot set flash mode, white balance, and 1070 // focus mode, instead, we read it from driver 1071 if (!Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 1072 overrideHudSettings(mParameters.getFlashMode(), 1073 mParameters.getWhiteBalance(), mParameters.getFocusMode()); 1074 } else { 1075 overrideHudSettings(null, null, null); 1076 } 1077 } 1078 1079 private void initializeSettingsWheel() { 1080 mSettingsWheel = (SettingsWheel) findViewById(R.id.settings_wheel); 1081 if (mSettingsWheel != null) { 1082 CameraSettings settings = new CameraSettings(this, mInitialParams, 1083 mCameraId, CameraHolder.instance().getCameraInfo()); 1084 mPreferenceGroup = settings.getPreferenceGroup(R.xml.camera_preferences); 1085 mSettingsWheel.initialize(this, mPreferenceGroup); 1086 mSettingsWheel.setListener(new MySettingsWheelListener()); 1087 } 1088 } 1089 1090 private void initializeHeadUpDisplay() { 1091 CameraSettings settings = new CameraSettings(this, mInitialParams, 1092 mCameraId, CameraHolder.instance().getCameraInfo()); 1093 // If we have zoom picker, do not show zoom control on head-up display. 1094 float[] zoomRatios = null; 1095 if (mZoomPicker == null) zoomRatios = getZoomRatios(); 1096 mHeadUpDisplay.initialize(this, 1097 settings.getPreferenceGroup(R.xml.camera_preferences), 1098 zoomRatios, mOrientationCompensation); 1099 if (mZoomPicker == null && mParameters.isZoomSupported()) { 1100 mHeadUpDisplay.setZoomListener(new ZoomControllerListener() { 1101 public void onZoomChanged( 1102 int index, float ratio, boolean isMoving) { 1103 onZoomValueChanged(index); 1104 } 1105 }); 1106 } 1107 updateSceneModeInHud(); 1108 } 1109 1110 private void attachHeadUpDisplay() { 1111 mHeadUpDisplay.setOrientation(mOrientationCompensation); 1112 if (mZoomPicker == null && mParameters.isZoomSupported()) { 1113 mHeadUpDisplay.setZoomIndex(mZoomValue); 1114 } 1115 FrameLayout frame = (FrameLayout) findViewById(R.id.frame); 1116 mGLRootView = new GLRootView(this); 1117 mGLRootView.setContentPane(mHeadUpDisplay); 1118 frame.addView(mGLRootView); 1119 } 1120 1121 private void detachHeadUpDisplay() { 1122 mHeadUpDisplay.setGpsHasSignal(false); 1123 mHeadUpDisplay.collapse(); 1124 ((ViewGroup) mGLRootView.getParent()).removeView(mGLRootView); 1125 mGLRootView = null; 1126 } 1127 1128 public static int roundOrientation(int orientation) { 1129 return ((orientation + 45) / 90 * 90) % 360; 1130 } 1131 1132 private class MyOrientationEventListener 1133 extends OrientationEventListener { 1134 public MyOrientationEventListener(Context context) { 1135 super(context); 1136 } 1137 1138 @Override 1139 public void onOrientationChanged(int orientation) { 1140 // We keep the last known orientation. So if the user first orient 1141 // the camera then point the camera to floor or sky, we still have 1142 // the correct orientation. 1143 if (orientation == ORIENTATION_UNKNOWN) return; 1144 orientation = roundOrientation(orientation); 1145 if (orientation != mOrientation) { 1146 mOrientation = orientation; 1147 mOrientationCompensation = orientation 1148 + Util.getDisplayRotation(Camera.this); 1149 1150 if (!mIsImageCaptureIntent) { 1151 setOrientationIndicator(mOrientationCompensation); 1152 } 1153 mHeadUpDisplay.setOrientation(mOrientationCompensation); 1154 } 1155 } 1156 } 1157 1158 private void setOrientationIndicator(int degree) { 1159 RotateImageView thumbnail = (RotateImageView) findViewById( 1160 R.id.review_thumbnail); 1161 if (thumbnail != null) thumbnail.setDegree(degree); 1162 1163 ((RotateImageView) findViewById( 1164 R.id.camera_switch_icon)).setDegree(degree); 1165 ((RotateImageView) findViewById( 1166 R.id.video_switch_icon)).setDegree(degree); 1167 } 1168 1169 @Override 1170 public void onStart() { 1171 super.onStart(); 1172 if (!mIsImageCaptureIntent) { 1173 mSwitcher.setSwitch(SWITCH_CAMERA); 1174 } 1175 } 1176 1177 @Override 1178 public void onStop() { 1179 super.onStop(); 1180 if (mMediaProviderClient != null) { 1181 mMediaProviderClient.release(); 1182 mMediaProviderClient = null; 1183 } 1184 } 1185 1186 private void checkStorage() { 1187 calculatePicturesRemaining(); 1188 updateStorageHint(mPicturesRemaining); 1189 } 1190 1191 public void onClick(View v) { 1192 switch (v.getId()) { 1193 case R.id.btn_retake: 1194 hidePostCaptureAlert(); 1195 restartPreview(); 1196 break; 1197 case R.id.review_thumbnail: 1198 if (isCameraIdle()) { 1199 viewImage(mThumbnailButton); 1200 } 1201 break; 1202 case R.id.btn_done: 1203 doAttach(); 1204 break; 1205 case R.id.btn_cancel: 1206 doCancel(); 1207 break; 1208 case R.id.wb_done: 1209 hideSettingPicker(); 1210 break; 1211 } 1212 } 1213 1214 private boolean hideSettingPicker() { 1215 if (mThumbnailList == null) return false; 1216 int visible = mThumbnailList.getVisibility(); 1217 mWhiteBalancePicker.setVisibility(View.INVISIBLE); 1218 mThumbnailList.setVisibility(View.VISIBLE); 1219 return visible == View.INVISIBLE; 1220 } 1221 1222 private class ThumbnailItemClickListener implements OnItemClickListener { 1223 public void onItemClick(AdapterView<?> p, View v, int pos, long id) { 1224 viewImage((RotateImageView)v); 1225 } 1226 } 1227 1228 private Bitmap createCaptureBitmap(byte[] data) { 1229 // This is really stupid...we just want to read the orientation in 1230 // the jpeg header. 1231 String filepath = ImageManager.getTempJpegPath(); 1232 int degree = 0; 1233 if (saveDataToFile(filepath, data)) { 1234 degree = ImageManager.getExifOrientation(filepath); 1235 new File(filepath).delete(); 1236 } 1237 1238 // Limit to 50k pixels so we can return it in the intent. 1239 Bitmap bitmap = Util.makeBitmap(data, 50 * 1024); 1240 bitmap = Util.rotate(bitmap, degree); 1241 return bitmap; 1242 } 1243 1244 private void doAttach() { 1245 if (mPausing) { 1246 return; 1247 } 1248 1249 byte[] data = mImageCapture.getLastCaptureData(); 1250 1251 if (mCropValue == null) { 1252 // First handle the no crop case -- just return the value. If the 1253 // caller specifies a "save uri" then write the data to it's 1254 // stream. Otherwise, pass back a scaled down version of the bitmap 1255 // directly in the extras. 1256 if (mSaveUri != null) { 1257 OutputStream outputStream = null; 1258 try { 1259 outputStream = mContentResolver.openOutputStream(mSaveUri); 1260 outputStream.write(data); 1261 outputStream.close(); 1262 1263 setResult(RESULT_OK); 1264 finish(); 1265 } catch (IOException ex) { 1266 // ignore exception 1267 } finally { 1268 Util.closeSilently(outputStream); 1269 } 1270 } else { 1271 Bitmap bitmap = createCaptureBitmap(data); 1272 setResult(RESULT_OK, 1273 new Intent("inline-data").putExtra("data", bitmap)); 1274 finish(); 1275 } 1276 } else { 1277 // Save the image to a temp file and invoke the cropper 1278 Uri tempUri = null; 1279 FileOutputStream tempStream = null; 1280 try { 1281 File path = getFileStreamPath(sTempCropFilename); 1282 path.delete(); 1283 tempStream = openFileOutput(sTempCropFilename, 0); 1284 tempStream.write(data); 1285 tempStream.close(); 1286 tempUri = Uri.fromFile(path); 1287 } catch (FileNotFoundException ex) { 1288 setResult(Activity.RESULT_CANCELED); 1289 finish(); 1290 return; 1291 } catch (IOException ex) { 1292 setResult(Activity.RESULT_CANCELED); 1293 finish(); 1294 return; 1295 } finally { 1296 Util.closeSilently(tempStream); 1297 } 1298 1299 Bundle newExtras = new Bundle(); 1300 if (mCropValue.equals("circle")) { 1301 newExtras.putString("circleCrop", "true"); 1302 } 1303 if (mSaveUri != null) { 1304 newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, mSaveUri); 1305 } else { 1306 newExtras.putBoolean("return-data", true); 1307 } 1308 1309 Intent cropIntent = new Intent("com.android.camera.action.CROP"); 1310 1311 cropIntent.setData(tempUri); 1312 cropIntent.putExtras(newExtras); 1313 1314 startActivityForResult(cropIntent, CROP_MSG); 1315 } 1316 } 1317 1318 private void doCancel() { 1319 setResult(RESULT_CANCELED, new Intent()); 1320 finish(); 1321 } 1322 1323 public void onShutterButtonFocus(ShutterButton button, boolean pressed) { 1324 if (mPausing) { 1325 return; 1326 } 1327 switch (button.getId()) { 1328 case R.id.shutter_button: 1329 doFocus(pressed); 1330 break; 1331 } 1332 } 1333 1334 public void onShutterButtonClick(ShutterButton button) { 1335 if (mPausing) { 1336 return; 1337 } 1338 switch (button.getId()) { 1339 case R.id.shutter_button: 1340 doSnap(); 1341 break; 1342 } 1343 } 1344 1345 private OnScreenHint mStorageHint; 1346 1347 private void updateStorageHint(int remaining) { 1348 String noStorageText = null; 1349 1350 if (remaining == MenuHelper.NO_STORAGE_ERROR) { 1351 String state = Environment.getExternalStorageState(); 1352 if (state == Environment.MEDIA_CHECKING) { 1353 noStorageText = getString(R.string.preparing_sd); 1354 } else { 1355 noStorageText = getString(R.string.no_storage); 1356 } 1357 } else if (remaining == MenuHelper.CANNOT_STAT_ERROR) { 1358 noStorageText = getString(R.string.access_sd_fail); 1359 } else if (remaining < 1) { 1360 noStorageText = getString(R.string.not_enough_space); 1361 } 1362 1363 if (noStorageText != null) { 1364 if (mStorageHint == null) { 1365 mStorageHint = OnScreenHint.makeText(this, noStorageText); 1366 } else { 1367 mStorageHint.setText(noStorageText); 1368 } 1369 mStorageHint.show(); 1370 } else if (mStorageHint != null) { 1371 mStorageHint.cancel(); 1372 mStorageHint = null; 1373 } 1374 } 1375 1376 private void installIntentFilter() { 1377 // install an intent filter to receive SD card related events. 1378 IntentFilter intentFilter = 1379 new IntentFilter(Intent.ACTION_MEDIA_MOUNTED); 1380 intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED); 1381 intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); 1382 intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING); 1383 intentFilter.addDataScheme("file"); 1384 registerReceiver(mReceiver, intentFilter); 1385 mDidRegister = true; 1386 } 1387 1388 private void initializeFocusTone() { 1389 // Initialize focus tone generator. 1390 try { 1391 mFocusToneGenerator = new ToneGenerator( 1392 AudioManager.STREAM_SYSTEM, FOCUS_BEEP_VOLUME); 1393 } catch (Throwable ex) { 1394 Log.w(TAG, "Exception caught while creating tone generator: ", ex); 1395 mFocusToneGenerator = null; 1396 } 1397 } 1398 1399 private void initializeScreenBrightness() { 1400 Window win = getWindow(); 1401 // Overright the brightness settings if it is automatic 1402 int mode = Settings.System.getInt( 1403 getContentResolver(), 1404 Settings.System.SCREEN_BRIGHTNESS_MODE, 1405 Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL); 1406 if (mode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC) { 1407 WindowManager.LayoutParams winParams = win.getAttributes(); 1408 winParams.screenBrightness = DEFAULT_CAMERA_BRIGHTNESS; 1409 win.setAttributes(winParams); 1410 } 1411 } 1412 1413 @Override 1414 protected void onResume() { 1415 super.onResume(); 1416 1417 mPausing = false; 1418 mJpegPictureCallbackTime = 0; 1419 mZoomValue = 0; 1420 mImageCapture = new ImageCapture(); 1421 1422 // Start the preview if it is not started. 1423 if (!mPreviewing && !mStartPreviewFail) { 1424 resetExposureCompensation(); 1425 if (!restartPreview()) return; 1426 } 1427 1428 if (mSurfaceHolder != null) { 1429 // If first time initialization is not finished, put it in the 1430 // message queue. 1431 if (!mFirstTimeInitialized) { 1432 mHandler.sendEmptyMessage(FIRST_TIME_INIT); 1433 } else { 1434 initializeSecondTime(); 1435 } 1436 } 1437 keepScreenOnAwhile(); 1438 } 1439 1440 @Override 1441 public void onConfigurationChanged(Configuration config) { 1442 super.onConfigurationChanged(config); 1443 changeHeadUpDisplayState(); 1444 } 1445 1446 private static ImageManager.DataLocation dataLocation() { 1447 return ImageManager.DataLocation.EXTERNAL; 1448 } 1449 1450 @Override 1451 protected void onPause() { 1452 mPausing = true; 1453 stopPreview(); 1454 // Close the camera now because other activities may need to use it. 1455 closeCamera(); 1456 resetScreenOn(); 1457 changeHeadUpDisplayState(); 1458 1459 if (mFirstTimeInitialized) { 1460 mOrientationListener.disable(); 1461 if (!mIsImageCaptureIntent) { 1462 if (mThumbnailButton != null) { 1463 mThumbnailButton.storeData( 1464 ImageManager.getLastImageThumbPath()); 1465 } 1466 } 1467 hidePostCaptureAlert(); 1468 } 1469 1470 if (mDidRegister) { 1471 unregisterReceiver(mReceiver); 1472 mDidRegister = false; 1473 } 1474 stopReceivingLocationUpdates(); 1475 1476 if (mFocusToneGenerator != null) { 1477 mFocusToneGenerator.release(); 1478 mFocusToneGenerator = null; 1479 } 1480 1481 if (mStorageHint != null) { 1482 mStorageHint.cancel(); 1483 mStorageHint = null; 1484 } 1485 1486 // If we are in an image capture intent and has taken 1487 // a picture, we just clear it in onPause. 1488 mImageCapture.clearLastData(); 1489 mImageCapture = null; 1490 1491 // Remove the messages in the event queue. 1492 mHandler.removeMessages(RESTART_PREVIEW); 1493 mHandler.removeMessages(FIRST_TIME_INIT); 1494 1495 super.onPause(); 1496 } 1497 1498 @Override 1499 protected void onActivityResult( 1500 int requestCode, int resultCode, Intent data) { 1501 switch (requestCode) { 1502 case CROP_MSG: { 1503 Intent intent = new Intent(); 1504 if (data != null) { 1505 Bundle extras = data.getExtras(); 1506 if (extras != null) { 1507 intent.putExtras(extras); 1508 } 1509 } 1510 setResult(resultCode, intent); 1511 finish(); 1512 1513 File path = getFileStreamPath(sTempCropFilename); 1514 path.delete(); 1515 1516 break; 1517 } 1518 } 1519 } 1520 1521 private boolean canTakePicture() { 1522 return isCameraIdle() && mPreviewing && (mPicturesRemaining > 0); 1523 } 1524 1525 private void autoFocus() { 1526 // Initiate autofocus only when preview is started and snapshot is not 1527 // in progress. 1528 if (canTakePicture()) { 1529 mHeadUpDisplay.setEnabled(false); 1530 Log.v(TAG, "Start autofocus."); 1531 mFocusStartTime = System.currentTimeMillis(); 1532 mFocusState = FOCUSING; 1533 updateFocusIndicator(); 1534 mCameraDevice.autoFocus(mAutoFocusCallback); 1535 } 1536 } 1537 1538 private void cancelAutoFocus() { 1539 // User releases half-pressed focus key. 1540 if (mStatus != SNAPSHOT_IN_PROGRESS && (mFocusState == FOCUSING 1541 || mFocusState == FOCUS_SUCCESS || mFocusState == FOCUS_FAIL)) { 1542 Log.v(TAG, "Cancel autofocus."); 1543 mHeadUpDisplay.setEnabled(true); 1544 mCameraDevice.cancelAutoFocus(); 1545 } 1546 if (mFocusState != FOCUSING_SNAP_ON_FINISH) { 1547 clearFocusState(); 1548 } 1549 } 1550 1551 private void clearFocusState() { 1552 mFocusState = FOCUS_NOT_STARTED; 1553 updateFocusIndicator(); 1554 } 1555 1556 private void updateFocusIndicator() { 1557 if (mFocusRectangle == null) return; 1558 1559 if (mFocusState == FOCUSING || mFocusState == FOCUSING_SNAP_ON_FINISH) { 1560 mFocusRectangle.showStart(); 1561 } else if (mFocusState == FOCUS_SUCCESS) { 1562 mFocusRectangle.showSuccess(); 1563 } else if (mFocusState == FOCUS_FAIL) { 1564 mFocusRectangle.showFail(); 1565 } else { 1566 mFocusRectangle.clear(); 1567 } 1568 } 1569 1570 @Override 1571 public void onBackPressed() { 1572 if (!isCameraIdle()) { 1573 // ignore backs while we're taking a picture 1574 return; 1575 } else if (mHeadUpDisplay == null || !mHeadUpDisplay.collapse()) { 1576 super.onBackPressed(); 1577 } 1578 } 1579 1580 @Override 1581 public boolean onKeyDown(int keyCode, KeyEvent event) { 1582 switch (keyCode) { 1583 case KeyEvent.KEYCODE_FOCUS: 1584 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1585 doFocus(true); 1586 } 1587 return true; 1588 case KeyEvent.KEYCODE_CAMERA: 1589 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1590 doSnap(); 1591 } 1592 return true; 1593 case KeyEvent.KEYCODE_DPAD_CENTER: 1594 // If we get a dpad center event without any focused view, move 1595 // the focus to the shutter button and press it. 1596 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1597 // Start auto-focus immediately to reduce shutter lag. After 1598 // the shutter button gets the focus, doFocus() will be 1599 // called again but it is fine. 1600 if (mHeadUpDisplay.collapse()) return true; 1601 doFocus(true); 1602 if (mShutterButton.isInTouchMode()) { 1603 mShutterButton.requestFocusFromTouch(); 1604 } else { 1605 mShutterButton.requestFocus(); 1606 } 1607 mShutterButton.setPressed(true); 1608 } 1609 return true; 1610 } 1611 1612 return super.onKeyDown(keyCode, event); 1613 } 1614 1615 @Override 1616 public boolean onKeyUp(int keyCode, KeyEvent event) { 1617 switch (keyCode) { 1618 case KeyEvent.KEYCODE_FOCUS: 1619 if (mFirstTimeInitialized) { 1620 doFocus(false); 1621 } 1622 return true; 1623 } 1624 return super.onKeyUp(keyCode, event); 1625 } 1626 1627 private void doSnap() { 1628 if (mHeadUpDisplay.collapse()) return; 1629 1630 Log.v(TAG, "doSnap: mFocusState=" + mFocusState); 1631 // If the user has half-pressed the shutter and focus is completed, we 1632 // can take the photo right away. If the focus mode is infinity, we can 1633 // also take the photo. 1634 if (mFocusMode.equals(Parameters.FOCUS_MODE_INFINITY) 1635 || mFocusMode.equals(Parameters.FOCUS_MODE_FIXED) 1636 || mFocusMode.equals(Parameters.FOCUS_MODE_EDOF) 1637 || (mFocusState == FOCUS_SUCCESS 1638 || mFocusState == FOCUS_FAIL)) { 1639 mImageCapture.onSnap(); 1640 } else if (mFocusState == FOCUSING) { 1641 // Half pressing the shutter (i.e. the focus button event) will 1642 // already have requested AF for us, so just request capture on 1643 // focus here. 1644 mFocusState = FOCUSING_SNAP_ON_FINISH; 1645 } else if (mFocusState == FOCUS_NOT_STARTED) { 1646 // Focus key down event is dropped for some reasons. Just ignore. 1647 } 1648 } 1649 1650 private void doFocus(boolean pressed) { 1651 // Do the focus if the mode is not infinity. 1652 if (mHeadUpDisplay.collapse()) return; 1653 if (!(mFocusMode.equals(Parameters.FOCUS_MODE_INFINITY) 1654 || mFocusMode.equals(Parameters.FOCUS_MODE_FIXED) 1655 || mFocusMode.equals(Parameters.FOCUS_MODE_EDOF))) { 1656 if (pressed) { // Focus key down. 1657 autoFocus(); 1658 } else { // Focus key up. 1659 cancelAutoFocus(); 1660 } 1661 } 1662 } 1663 1664 public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { 1665 // Make sure we have a surface in the holder before proceeding. 1666 if (holder.getSurface() == null) { 1667 Log.d(TAG, "holder.getSurface() == null"); 1668 return; 1669 } 1670 1671 // We need to save the holder for later use, even when the mCameraDevice 1672 // is null. This could happen if onResume() is invoked after this 1673 // function. 1674 mSurfaceHolder = holder; 1675 1676 // The mCameraDevice will be null if it fails to connect to the camera 1677 // hardware. In this case we will show a dialog and then finish the 1678 // activity, so it's OK to ignore it. 1679 if (mCameraDevice == null) return; 1680 1681 // Sometimes surfaceChanged is called after onPause or before onResume. 1682 // Ignore it. 1683 if (mPausing || isFinishing()) return; 1684 1685 if (mPreviewing && holder.isCreating()) { 1686 // Set preview display if the surface is being created and preview 1687 // was already started. That means preview display was set to null 1688 // and we need to set it now. 1689 setPreviewDisplay(holder); 1690 } else { 1691 // 1. Restart the preview if the size of surface was changed. The 1692 // framework may not support changing preview display on the fly. 1693 // 2. Start the preview now if surface was destroyed and preview 1694 // stopped. 1695 restartPreview(); 1696 } 1697 1698 // If first time initialization is not finished, send a message to do 1699 // it later. We want to finish surfaceChanged as soon as possible to let 1700 // user see preview first. 1701 if (!mFirstTimeInitialized) { 1702 mHandler.sendEmptyMessage(FIRST_TIME_INIT); 1703 } else { 1704 initializeSecondTime(); 1705 } 1706 } 1707 1708 public void surfaceCreated(SurfaceHolder holder) { 1709 } 1710 1711 public void surfaceDestroyed(SurfaceHolder holder) { 1712 stopPreview(); 1713 mSurfaceHolder = null; 1714 } 1715 1716 private void closeCamera() { 1717 if (mCameraDevice != null) { 1718 CameraHolder.instance().release(); 1719 mCameraDevice.setZoomChangeListener(null); 1720 mCameraDevice = null; 1721 mPreviewing = false; 1722 } 1723 } 1724 1725 private void ensureCameraDevice() throws CameraHardwareException { 1726 if (mCameraDevice == null) { 1727 mCameraDevice = CameraHolder.instance().open(mCameraId); 1728 mInitialParams = mCameraDevice.getParameters(); 1729 } 1730 } 1731 1732 private void showCameraErrorAndFinish() { 1733 Resources ress = getResources(); 1734 Util.showFatalErrorAndFinish(Camera.this, 1735 ress.getString(R.string.camera_error_title), 1736 ress.getString(R.string.cannot_connect_camera)); 1737 } 1738 1739 private boolean restartPreview() { 1740 try { 1741 startPreview(); 1742 } catch (CameraHardwareException e) { 1743 showCameraErrorAndFinish(); 1744 return false; 1745 } 1746 return true; 1747 } 1748 1749 private void setPreviewDisplay(SurfaceHolder holder) { 1750 try { 1751 mCameraDevice.setPreviewDisplay(holder); 1752 } catch (Throwable ex) { 1753 closeCamera(); 1754 throw new RuntimeException("setPreviewDisplay failed", ex); 1755 } 1756 } 1757 1758 private void startPreview() throws CameraHardwareException { 1759 if (mPausing || isFinishing()) return; 1760 1761 ensureCameraDevice(); 1762 1763 // If we're previewing already, stop the preview first (this will blank 1764 // the screen). 1765 if (mPreviewing) stopPreview(); 1766 1767 setPreviewDisplay(mSurfaceHolder); 1768 Util.setCameraDisplayOrientation(this, mCameraId, mCameraDevice); 1769 setCameraParameters(UPDATE_PARAM_ALL); 1770 1771 mCameraDevice.setErrorCallback(mErrorCallback); 1772 1773 try { 1774 Log.v(TAG, "startPreview"); 1775 mCameraDevice.startPreview(); 1776 } catch (Throwable ex) { 1777 closeCamera(); 1778 throw new RuntimeException("startPreview failed", ex); 1779 } 1780 mPreviewing = true; 1781 mZoomState = ZOOM_STOPPED; 1782 mStatus = IDLE; 1783 } 1784 1785 private void stopPreview() { 1786 if (mCameraDevice != null && mPreviewing) { 1787 Log.v(TAG, "stopPreview"); 1788 mCameraDevice.stopPreview(); 1789 } 1790 mPreviewing = false; 1791 // If auto focus was in progress, it would have been canceled. 1792 clearFocusState(); 1793 } 1794 1795 private static boolean isSupported(String value, List<String> supported) { 1796 return supported == null ? false : supported.indexOf(value) >= 0; 1797 } 1798 1799 private void updateCameraParametersInitialize() { 1800 // Reset preview frame rate to the maximum because it may be lowered by 1801 // video camera application. 1802 List<Integer> frameRates = mParameters.getSupportedPreviewFrameRates(); 1803 if (frameRates != null) { 1804 Integer max = Collections.max(frameRates); 1805 mParameters.setPreviewFrameRate(max); 1806 } 1807 1808 } 1809 1810 private void updateCameraParametersZoom() { 1811 // Set zoom. 1812 if (mParameters.isZoomSupported()) { 1813 mParameters.setZoom(mZoomValue); 1814 } 1815 } 1816 1817 private void updateCameraParametersPreference() { 1818 // Set picture size. 1819 String pictureSize = mPreferences.getString( 1820 CameraSettings.KEY_PICTURE_SIZE, null); 1821 if (pictureSize == null) { 1822 CameraSettings.initialCameraPictureSize(this, mParameters); 1823 } else { 1824 List<Size> supported = mParameters.getSupportedPictureSizes(); 1825 CameraSettings.setCameraPictureSize( 1826 pictureSize, supported, mParameters); 1827 } 1828 1829 // Set the preview frame aspect ratio according to the picture size. 1830 Size size = mParameters.getPictureSize(); 1831 PreviewFrameLayout frameLayout = 1832 (PreviewFrameLayout) findViewById(R.id.frame_layout); 1833 frameLayout.setAspectRatio((double) size.width / size.height); 1834 1835 // Set a preview size that is closest to the viewfinder height and has 1836 // the right aspect ratio. 1837 List<Size> sizes = mParameters.getSupportedPreviewSizes(); 1838 Size optimalSize = Util.getOptimalPreviewSize(this, 1839 sizes, (double) size.width / size.height); 1840 if (optimalSize != null) { 1841 Size original = mParameters.getPreviewSize(); 1842 if (!original.equals(optimalSize)) { 1843 mParameters.setPreviewSize(optimalSize.width, optimalSize.height); 1844 1845 // Zoom related settings will be changed for different preview 1846 // sizes, so set and read the parameters to get lastest values 1847 mCameraDevice.setParameters(mParameters); 1848 mParameters = mCameraDevice.getParameters(); 1849 } 1850 } 1851 1852 // Since change scene mode may change supported values, 1853 // Set scene mode first, 1854 mSceneMode = mPreferences.getString( 1855 CameraSettings.KEY_SCENE_MODE, 1856 getString(R.string.pref_camera_scenemode_default)); 1857 if (isSupported(mSceneMode, mParameters.getSupportedSceneModes())) { 1858 if (!mParameters.getSceneMode().equals(mSceneMode)) { 1859 mParameters.setSceneMode(mSceneMode); 1860 mCameraDevice.setParameters(mParameters); 1861 1862 // Setting scene mode will change the settings of flash mode, 1863 // white balance, and focus mode. Here we read back the 1864 // parameters, so we can know those settings. 1865 mParameters = mCameraDevice.getParameters(); 1866 } 1867 } else { 1868 mSceneMode = mParameters.getSceneMode(); 1869 if (mSceneMode == null) { 1870 mSceneMode = Parameters.SCENE_MODE_AUTO; 1871 } 1872 } 1873 1874 // Set JPEG quality. 1875 String jpegQuality = mPreferences.getString( 1876 CameraSettings.KEY_JPEG_QUALITY, 1877 getString(R.string.pref_camera_jpegquality_default)); 1878 mParameters.setJpegQuality(JpegEncodingQualityMappings.getQualityNumber(jpegQuality)); 1879 1880 // For the following settings, we need to check if the settings are 1881 // still supported by latest driver, if not, ignore the settings. 1882 1883 // Set color effect parameter. 1884 String colorEffect = mPreferences.getString( 1885 CameraSettings.KEY_COLOR_EFFECT, 1886 getString(R.string.pref_camera_coloreffect_default)); 1887 if (isSupported(colorEffect, mParameters.getSupportedColorEffects())) { 1888 mParameters.setColorEffect(colorEffect); 1889 } 1890 1891 // Set exposure compensation 1892 String exposure = mPreferences.getString( 1893 CameraSettings.KEY_EXPOSURE, 1894 getString(R.string.pref_exposure_default)); 1895 try { 1896 int value = Integer.parseInt(exposure); 1897 int max = mParameters.getMaxExposureCompensation(); 1898 int min = mParameters.getMinExposureCompensation(); 1899 if (value >= min && value <= max) { 1900 mParameters.setExposureCompensation(value); 1901 } else { 1902 Log.w(TAG, "invalid exposure range: " + exposure); 1903 } 1904 } catch (NumberFormatException e) { 1905 Log.w(TAG, "invalid exposure: " + exposure); 1906 } 1907 1908 if (mHeadUpDisplay != null) updateSceneModeInHud(); 1909 1910 if (Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 1911 // Set flash mode. 1912 String flashMode = mPreferences.getString( 1913 CameraSettings.KEY_FLASH_MODE, 1914 getString(R.string.pref_camera_flashmode_default)); 1915 List<String> supportedFlash = mParameters.getSupportedFlashModes(); 1916 if (isSupported(flashMode, supportedFlash)) { 1917 mParameters.setFlashMode(flashMode); 1918 } else { 1919 flashMode = mParameters.getFlashMode(); 1920 if (flashMode == null) { 1921 flashMode = getString( 1922 R.string.pref_camera_flashmode_no_flash); 1923 } 1924 } 1925 1926 // Set white balance parameter. 1927 String whiteBalance = mPreferences.getString( 1928 CameraSettings.KEY_WHITE_BALANCE, 1929 getString(R.string.pref_camera_whitebalance_default)); 1930 if (isSupported(whiteBalance, 1931 mParameters.getSupportedWhiteBalance())) { 1932 mParameters.setWhiteBalance(whiteBalance); 1933 } else { 1934 whiteBalance = mParameters.getWhiteBalance(); 1935 if (whiteBalance == null) { 1936 whiteBalance = Parameters.WHITE_BALANCE_AUTO; 1937 } 1938 } 1939 1940 // Set focus mode. 1941 mFocusMode = mPreferences.getString( 1942 CameraSettings.KEY_FOCUS_MODE, 1943 getString(R.string.pref_camera_focusmode_default)); 1944 if (isSupported(mFocusMode, mParameters.getSupportedFocusModes())) { 1945 mParameters.setFocusMode(mFocusMode); 1946 } else { 1947 mFocusMode = mParameters.getFocusMode(); 1948 if (mFocusMode == null) { 1949 mFocusMode = Parameters.FOCUS_MODE_AUTO; 1950 } 1951 } 1952 } else { 1953 mFocusMode = mParameters.getFocusMode(); 1954 } 1955 } 1956 1957 // We separate the parameters into several subsets, so we can update only 1958 // the subsets actually need updating. The PREFERENCE set needs extra 1959 // locking because the preference can be changed from GLThread as well. 1960 private void setCameraParameters(int updateSet) { 1961 mParameters = mCameraDevice.getParameters(); 1962 1963 if ((updateSet & UPDATE_PARAM_INITIALIZE) != 0) { 1964 updateCameraParametersInitialize(); 1965 } 1966 1967 if ((updateSet & UPDATE_PARAM_ZOOM) != 0) { 1968 updateCameraParametersZoom(); 1969 } 1970 1971 if ((updateSet & UPDATE_PARAM_PREFERENCE) != 0) { 1972 updateCameraParametersPreference(); 1973 } 1974 1975 mCameraDevice.setParameters(mParameters); 1976 } 1977 1978 // If the Camera is idle, update the parameters immediately, otherwise 1979 // accumulate them in mUpdateSet and update later. 1980 private void setCameraParametersWhenIdle(int additionalUpdateSet) { 1981 mUpdateSet |= additionalUpdateSet; 1982 if (mCameraDevice == null) { 1983 // We will update all the parameters when we open the device, so 1984 // we don't need to do anything now. 1985 mUpdateSet = 0; 1986 return; 1987 } else if (isCameraIdle()) { 1988 setCameraParameters(mUpdateSet); 1989 mUpdateSet = 0; 1990 } else { 1991 if (!mHandler.hasMessages(SET_CAMERA_PARAMETERS_WHEN_IDLE)) { 1992 mHandler.sendEmptyMessageDelayed( 1993 SET_CAMERA_PARAMETERS_WHEN_IDLE, 1000); 1994 } 1995 } 1996 } 1997 1998 private void gotoGallery() { 1999 MenuHelper.gotoCameraImageGallery(this); 2000 } 2001 2002 private void viewImage(RotateImageView view) { 2003 if(!view.isUriValid()) { 2004 Log.e(TAG, "Uri invalid. uri=" + view.getUri()); 2005 return; 2006 } 2007 2008 try { 2009 startActivity(new Intent( 2010 Util.REVIEW_ACTION, view.getUri())); 2011 } catch (ActivityNotFoundException ex) { 2012 try { 2013 startActivity(new Intent( 2014 Intent.ACTION_VIEW, view.getUri())); 2015 } catch (ActivityNotFoundException e) { 2016 Log.e(TAG, "review image fail. uri=" + view.getUri(), e); 2017 } 2018 } 2019 } 2020 2021 private void startReceivingLocationUpdates() { 2022 if (mLocationManager != null) { 2023 try { 2024 mLocationManager.requestLocationUpdates( 2025 LocationManager.NETWORK_PROVIDER, 2026 1000, 2027 0F, 2028 mLocationListeners[1]); 2029 } catch (java.lang.SecurityException ex) { 2030 Log.i(TAG, "fail to request location update, ignore", ex); 2031 } catch (IllegalArgumentException ex) { 2032 Log.d(TAG, "provider does not exist " + ex.getMessage()); 2033 } 2034 try { 2035 mLocationManager.requestLocationUpdates( 2036 LocationManager.GPS_PROVIDER, 2037 1000, 2038 0F, 2039 mLocationListeners[0]); 2040 } catch (java.lang.SecurityException ex) { 2041 Log.i(TAG, "fail to request location update, ignore", ex); 2042 } catch (IllegalArgumentException ex) { 2043 Log.d(TAG, "provider does not exist " + ex.getMessage()); 2044 } 2045 } 2046 } 2047 2048 private void stopReceivingLocationUpdates() { 2049 if (mLocationManager != null) { 2050 for (int i = 0; i < mLocationListeners.length; i++) { 2051 try { 2052 mLocationManager.removeUpdates(mLocationListeners[i]); 2053 } catch (Exception ex) { 2054 Log.i(TAG, "fail to remove location listners, ignore", ex); 2055 } 2056 } 2057 } 2058 } 2059 2060 private Location getCurrentLocation() { 2061 // go in best to worst order 2062 for (int i = 0; i < mLocationListeners.length; i++) { 2063 Location l = mLocationListeners[i].current(); 2064 if (l != null) return l; 2065 } 2066 return null; 2067 } 2068 2069 private boolean isCameraIdle() { 2070 return mStatus == IDLE && mFocusState == FOCUS_NOT_STARTED; 2071 } 2072 2073 private boolean isImageCaptureIntent() { 2074 String action = getIntent().getAction(); 2075 return (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)); 2076 } 2077 2078 private void setupCaptureParams() { 2079 Bundle myExtras = getIntent().getExtras(); 2080 if (myExtras != null) { 2081 mSaveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 2082 mCropValue = myExtras.getString("crop"); 2083 } 2084 } 2085 2086 private void showPostCaptureAlert() { 2087 if (mIsImageCaptureIntent) { 2088 findViewById(R.id.shutter_button).setVisibility(View.INVISIBLE); 2089 int[] pickIds = {R.id.btn_retake, R.id.btn_done}; 2090 for (int id : pickIds) { 2091 View button = findViewById(id); 2092 ((View) button.getParent()).setVisibility(View.VISIBLE); 2093 } 2094 } 2095 } 2096 2097 private void hidePostCaptureAlert() { 2098 if (mIsImageCaptureIntent) { 2099 findViewById(R.id.shutter_button).setVisibility(View.VISIBLE); 2100 int[] pickIds = {R.id.btn_retake, R.id.btn_done}; 2101 for (int id : pickIds) { 2102 View button = findViewById(id); 2103 ((View) button.getParent()).setVisibility(View.GONE); 2104 } 2105 } 2106 } 2107 2108 private int calculatePicturesRemaining() { 2109 mPicturesRemaining = MenuHelper.calculatePicturesRemaining(); 2110 return mPicturesRemaining; 2111 } 2112 2113 @Override 2114 public boolean onPrepareOptionsMenu(Menu menu) { 2115 super.onPrepareOptionsMenu(menu); 2116 // Only show the menu when camera is idle. 2117 for (int i = 0; i < menu.size(); i++) { 2118 menu.getItem(i).setVisible(isCameraIdle()); 2119 } 2120 2121 return true; 2122 } 2123 2124 @Override 2125 public boolean onCreateOptionsMenu(Menu menu) { 2126 super.onCreateOptionsMenu(menu); 2127 2128 if (mIsImageCaptureIntent) { 2129 // No options menu for attach mode. 2130 return false; 2131 } else { 2132 addBaseMenuItems(menu); 2133 } 2134 return true; 2135 } 2136 2137 private void addBaseMenuItems(Menu menu) { 2138 MenuHelper.addSwitchModeMenuItem(menu, true, new Runnable() { 2139 public void run() { 2140 switchToVideoMode(); 2141 } 2142 }); 2143 MenuItem gallery = menu.add(Menu.NONE, Menu.NONE, 2144 MenuHelper.POSITION_GOTO_GALLERY, 2145 R.string.camera_gallery_photos_text) 2146 .setOnMenuItemClickListener(new OnMenuItemClickListener() { 2147 public boolean onMenuItemClick(MenuItem item) { 2148 gotoGallery(); 2149 return true; 2150 } 2151 }); 2152 gallery.setIcon(android.R.drawable.ic_menu_gallery); 2153 mGalleryItems.add(gallery); 2154 2155 if (mNumberOfCameras > 1) { 2156 menu.add(Menu.NONE, Menu.NONE, 2157 MenuHelper.POSITION_SWITCH_CAMERA_ID, 2158 R.string.switch_camera_id) 2159 .setOnMenuItemClickListener(new OnMenuItemClickListener() { 2160 public boolean onMenuItemClick(MenuItem item) { 2161 switchCameraId((mCameraId + 1) % mNumberOfCameras); 2162 return true; 2163 } 2164 }).setIcon(android.R.drawable.ic_menu_camera); 2165 } 2166 } 2167 2168 private void switchCameraId(int cameraId) { 2169 if (mPausing || !isCameraIdle()) return; 2170 mCameraId = cameraId; 2171 CameraSettings.writePreferredCameraId(mPreferences, cameraId); 2172 2173 stopPreview(); 2174 closeCamera(); 2175 2176 // Remove the messages in the event queue. 2177 mHandler.removeMessages(RESTART_PREVIEW); 2178 2179 // Reset variables 2180 mJpegPictureCallbackTime = 0; 2181 mZoomValue = 0; 2182 2183 // Reload the preferences. 2184 mPreferences.setLocalId(this, mCameraId); 2185 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 2186 2187 // Restart the preview. 2188 resetExposureCompensation(); 2189 if (!restartPreview()) return; 2190 2191 initializeZoom(); 2192 2193 // Reload the UI. 2194 if (mFirstTimeInitialized) { 2195 initializeHeadUpDisplay(); 2196 } 2197 } 2198 2199 private boolean switchToVideoMode() { 2200 if (isFinishing() || !isCameraIdle()) return false; 2201 MenuHelper.gotoVideoMode(this); 2202 mHandler.removeMessages(FIRST_TIME_INIT); 2203 finish(); 2204 return true; 2205 } 2206 2207 public boolean onSwitchChanged(Switcher source, boolean onOff) { 2208 if (onOff == SWITCH_VIDEO) { 2209 return switchToVideoMode(); 2210 } else { 2211 return true; 2212 } 2213 } 2214 2215 private void onSharedPreferenceChanged() { 2216 // ignore the events after "onPause()" 2217 if (mPausing) return; 2218 2219 boolean recordLocation; 2220 2221 recordLocation = RecordLocationPreference.get( 2222 mPreferences, getContentResolver()); 2223 2224 if (mRecordLocation != recordLocation) { 2225 mRecordLocation = recordLocation; 2226 if (mRecordLocation) { 2227 startReceivingLocationUpdates(); 2228 } else { 2229 stopReceivingLocationUpdates(); 2230 } 2231 } 2232 int cameraId = CameraSettings.readPreferredCameraId(mPreferences); 2233 if (mCameraId != cameraId) { 2234 switchCameraId(cameraId); 2235 } else { 2236 setCameraParametersWhenIdle(UPDATE_PARAM_PREFERENCE); 2237 } 2238 } 2239 2240 @Override 2241 public void onUserInteraction() { 2242 super.onUserInteraction(); 2243 keepScreenOnAwhile(); 2244 } 2245 2246 private void resetScreenOn() { 2247 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 2248 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2249 } 2250 2251 private void keepScreenOnAwhile() { 2252 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 2253 getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2254 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 2255 } 2256 2257 private class MyHeadUpDisplayListener implements HeadUpDisplay.Listener { 2258 2259 public void onSharedPreferencesChanged() { 2260 Camera.this.onSharedPreferenceChanged(); 2261 } 2262 2263 public void onRestorePreferencesClicked() { 2264 Camera.this.onRestorePreferencesClicked(); 2265 } 2266 2267 public void onPopupWindowVisibilityChanged(int visibility) { 2268 } 2269 } 2270 2271 protected void onRestorePreferencesClicked() { 2272 if (mPausing) return; 2273 Runnable runnable = new Runnable() { 2274 public void run() { 2275 mHeadUpDisplay.restorePreferences(mParameters); 2276 } 2277 }; 2278 MenuHelper.confirmAction(this, 2279 getString(R.string.confirm_restore_title), 2280 getString(R.string.confirm_restore_message), 2281 runnable); 2282 } 2283 2284 private class MySettingsWheelListener implements SettingsWheel.Listener { 2285 public void onSettingClicked() { 2286 if (mWhiteBalancePicker == null) { 2287 mThumbnailList.setVisibility(View.INVISIBLE); 2288 ViewStub stub = (ViewStub) findViewById(R.id.whitebalance_stub); 2289 mWhiteBalancePicker = (BasicSettingPicker) (stub.inflate()); 2290 mWhiteBalancePicker.setSharedPreferenceChangedListener( 2291 new MySharedPreferenceChangedListener()); 2292 mWhiteBalancePicker.setPreference((IconListPreference) 2293 mPreferenceGroup.findPreference(CameraSettings.KEY_WHITE_BALANCE)); 2294 View v = findViewById(R.id.wb_done); 2295 v.setOnClickListener(Camera.this); 2296 } else { 2297 if (mWhiteBalancePicker.getVisibility() == View.INVISIBLE) { 2298 mThumbnailList.setVisibility(View.INVISIBLE); 2299 mWhiteBalancePicker.setVisibility(View.VISIBLE); 2300 } else { 2301 hideSettingPicker(); 2302 } 2303 } 2304 } 2305 } 2306 2307 private class MySharedPreferenceChangedListener 2308 implements BasicSettingPicker.Listener { 2309 public void onSharedPreferenceChanged() { 2310 Camera.this.onSharedPreferenceChanged(); 2311 } 2312 } 2313} 2314 2315class FocusRectangle extends View { 2316 2317 @SuppressWarnings("unused") 2318 private static final String TAG = "FocusRectangle"; 2319 2320 public FocusRectangle(Context context, AttributeSet attrs) { 2321 super(context, attrs); 2322 } 2323 2324 private void setDrawable(int resid) { 2325 setBackgroundDrawable(getResources().getDrawable(resid)); 2326 } 2327 2328 public void showStart() { 2329 setDrawable(R.drawable.focus_focusing); 2330 } 2331 2332 public void showSuccess() { 2333 setDrawable(R.drawable.focus_focused); 2334 } 2335 2336 public void showFail() { 2337 setDrawable(R.drawable.focus_focus_failed); 2338 } 2339 2340 public void clear() { 2341 setBackgroundDrawable(null); 2342 } 2343} 2344 2345/* 2346 * Provide a mapping for Jpeg encoding quality levels 2347 * from String representation to numeric representation. 2348 */ 2349class JpegEncodingQualityMappings { 2350 private static final String TAG = "JpegEncodingQualityMappings"; 2351 private static final int DEFAULT_QUALITY = 85; 2352 private static HashMap<String, Integer> mHashMap = 2353 new HashMap<String, Integer>(); 2354 2355 static { 2356 mHashMap.put("normal", CameraProfile.QUALITY_LOW); 2357 mHashMap.put("fine", CameraProfile.QUALITY_MEDIUM); 2358 mHashMap.put("superfine", CameraProfile.QUALITY_HIGH); 2359 } 2360 2361 // Retrieve and return the Jpeg encoding quality number 2362 // for the given quality level. 2363 public static int getQualityNumber(String jpegQuality) { 2364 Integer quality = mHashMap.get(jpegQuality); 2365 if (quality == null) { 2366 Log.w(TAG, "Unknown Jpeg quality: " + jpegQuality); 2367 return DEFAULT_QUALITY; 2368 } 2369 return CameraProfile.getJpegEncodingQualityParameter(quality.intValue()); 2370 } 2371} 2372