Camera.java revision d7e9d1916fbabaecd4be9dacb4472fa3ffe62ed4
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 java.io.BufferedInputStream; 20import java.io.BufferedOutputStream; 21import java.io.DataInputStream; 22import java.io.DataOutputStream; 23import java.io.File; 24import java.io.FileInputStream; 25import java.io.FileNotFoundException; 26import java.io.FileOutputStream; 27import java.io.IOException; 28import java.io.OutputStream; 29import java.util.ArrayList; 30 31import android.app.Activity; 32import android.app.ProgressDialog; 33import android.content.BroadcastReceiver; 34import android.content.ContentResolver; 35import android.content.Context; 36import android.content.Intent; 37import android.content.IntentFilter; 38import android.content.SharedPreferences; 39import android.content.pm.ActivityInfo; 40import android.content.res.AssetFileDescriptor; 41import android.content.res.Resources; 42import android.graphics.Bitmap; 43import android.graphics.BitmapFactory; 44import android.graphics.Matrix; 45import android.graphics.drawable.BitmapDrawable; 46import android.graphics.drawable.Drawable; 47import android.graphics.drawable.LayerDrawable; 48import android.graphics.drawable.TransitionDrawable; 49import android.hardware.Camera.PictureCallback; 50import android.hardware.Camera.Size; 51import android.location.Location; 52import android.location.LocationManager; 53import android.location.LocationProvider; 54import android.media.AudioManager; 55import android.media.MediaPlayer; 56import android.media.ToneGenerator; 57import android.net.Uri; 58import android.os.Bundle; 59import android.os.Debug; 60import android.os.Environment; 61import android.os.Handler; 62import android.os.Message; 63import android.os.SystemClock; 64import android.preference.PreferenceManager; 65import android.provider.MediaStore; 66import android.text.format.DateFormat; 67import android.util.Config; 68import android.util.Log; 69import android.view.KeyEvent; 70import android.view.Menu; 71import android.view.MenuItem; 72import android.view.MenuItem.OnMenuItemClickListener; 73import android.view.OrientationEventListener; 74import android.view.SurfaceHolder; 75import android.view.View; 76import android.view.ViewGroup; 77import android.view.ViewGroup.LayoutParams; 78import android.view.Window; 79import android.view.WindowManager; 80import android.view.animation.AlphaAnimation; 81import android.view.animation.Animation; 82import android.view.animation.AnimationUtils; 83import android.widget.ImageView; 84import android.widget.Toast; 85 86public class Camera extends Activity implements View.OnClickListener, 87 ShutterButton.OnShutterButtonListener, SurfaceHolder.Callback { 88 89 private static final String TAG = "camera"; 90 91 private static final boolean DEBUG = false; 92 private static final boolean DEBUG_TIME_OPERATIONS = DEBUG && false; 93 94 private static final int CROP_MSG = 1; 95 private static final int KEEP = 2; 96 private static final int RESTART_PREVIEW = 3; 97 private static final int CLEAR_SCREEN_DELAY = 4; 98 99 private static final int SCREEN_DELAY = 2 * 60 * 1000; 100 private static final int FOCUS_BEEP_VOLUME = 100; 101 102 public static final int MENU_SWITCH_TO_VIDEO = 0; 103 public static final int MENU_SWITCH_TO_CAMERA = 1; 104 public static final int MENU_FLASH_SETTING = 2; 105 public static final int MENU_FLASH_AUTO = 3; 106 public static final int MENU_FLASH_ON = 4; 107 public static final int MENU_FLASH_OFF = 5; 108 public static final int MENU_SETTINGS = 6; 109 public static final int MENU_GALLERY_PHOTOS = 7; 110 public static final int MENU_GALLERY_VIDEOS = 8; 111 public static final int MENU_SAVE_SELECT_PHOTOS = 30; 112 public static final int MENU_SAVE_NEW_PHOTO = 31; 113 public static final int MENU_SAVE_GALLERY_PHOTO = 34; 114 public static final int MENU_SAVE_GALLERY_VIDEO_PHOTO = 35; 115 public static final int MENU_SAVE_CAMERA_DONE = 36; 116 public static final int MENU_SAVE_CAMERA_VIDEO_DONE = 37; 117 118 private Toast mToast; 119 private OrientationEventListener mOrientationListener; 120 private int mLastOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; 121 private SharedPreferences mPreferences; 122 123 private static final int IDLE = 1; 124 private static final int SNAPSHOT_IN_PROGRESS = 2; 125 private static final int SNAPSHOT_COMPLETED = 3; 126 127 private int mStatus = IDLE; 128 private static final String sTempCropFilename = "crop-temp"; 129 130 private android.hardware.Camera mCameraDevice; 131 private android.hardware.Camera.Parameters mParameters; 132 private VideoPreview mSurfaceView; 133 private SurfaceHolder mSurfaceHolder = null; 134 private View mBlackout = null; 135 136 private int mOriginalViewFinderWidth, mOriginalViewFinderHeight; 137 private int mViewFinderWidth, mViewFinderHeight; 138 private boolean mPreviewing = false; 139 140 private MediaPlayer mClickSound; 141 142 private Capturer mCaptureObject; 143 private ImageCapture mImageCapture = null; 144 145 private boolean mPausing = false; 146 147 private static final int FOCUS_NOT_STARTED = 0; 148 private static final int FOCUSING = 1; 149 private static final int FOCUSING_SNAP_ON_FINISH = 2; 150 private static final int FOCUS_SUCCESS = 3; 151 private static final int FOCUS_FAIL = 4; 152 private int mFocusState = FOCUS_NOT_STARTED; 153 154 private static ContentResolver mContentResolver; 155 private boolean mDidRegister = false; 156 157 private ArrayList<MenuItem> mGalleryItems = new ArrayList<MenuItem>(); 158 159 private boolean mMenuSelectionMade; 160 161 private ImageView mLastPictureButton; 162 private LayerDrawable mVignette; 163 private Animation mShowLastPictureButtonAnimation = new AlphaAnimation(0F, 1F); 164 private boolean mShouldShowLastPictureButton; 165 private TransitionDrawable mThumbnailTransition; 166 private Drawable[] mThumbnails; 167 private boolean mShouldTransitionThumbnails; 168 private Uri mLastPictureUri; 169 private Bitmap mLastPictureThumb; 170 private LocationManager mLocationManager = null; 171 172 private ShutterButton mShutterButton; 173 174 private Animation mFocusBlinkAnimation; 175 private View mFocusIndicator; 176 private ToneGenerator mFocusToneGenerator; 177 178 179 private ShutterCallback mShutterCallback = new ShutterCallback(); 180 private RawPictureCallback mRawPictureCallback = new RawPictureCallback(); 181 private AutoFocusCallback mAutoFocusCallback = new AutoFocusCallback(); 182 private long mFocusStartTime; 183 private long mFocusCallbackTime; 184 private long mCaptureStartTime; 185 private long mShutterCallbackTime; 186 private long mRawPictureCallbackTime; 187 private int mPicturesRemaining; 188 189 private boolean mKeepAndRestartPreview; 190 191 // mPostCaptureAlert is non-null only if isImageCaptureIntent() is true. 192 private View mPostCaptureAlert; 193 194 195 private Handler mHandler = new MainHandler(); 196 private ProgressDialog mSavingProgress; 197 198 private interface Capturer { 199 Uri getLastCaptureUri(); 200 void onSnap(); 201 void dismissFreezeFrame(boolean keep); 202 void cancelSave(); 203 void cancelAutoDismiss(); 204 void setDone(boolean wait); 205 } 206 207 private void cancelSavingNotification() { 208 if (mToast != null) { 209 mToast.cancel(); 210 mToast = null; 211 } 212 } 213 214 /** This Handler is used to post message back onto the main thread of the application */ 215 private class MainHandler extends Handler { 216 @Override 217 public void handleMessage(Message msg) { 218 switch (msg.what) { 219 case KEEP: { 220 keep(); 221 if (mSavingProgress != null) { 222 mSavingProgress.cancel(); 223 mSavingProgress = null; 224 } 225 226 mKeepAndRestartPreview = true; 227 228 if (msg.obj != null) { 229 mHandler.post((Runnable)msg.obj); 230 } 231 break; 232 } 233 234 case RESTART_PREVIEW: { 235 if (mStatus == SNAPSHOT_IN_PROGRESS) { 236 // We are still in the processing of taking the picture, wait. 237 // This is is strange. Why are we polling? 238 // TODO remove polling 239 mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, 100); 240 } else if (mStatus == SNAPSHOT_COMPLETED){ 241 mCaptureObject.dismissFreezeFrame(true); 242 hidePostCaptureAlert(); 243 } 244 break; 245 } 246 247 case CLEAR_SCREEN_DELAY: { 248 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 249 break; 250 } 251 } 252 } 253 }; 254 255 LocationListener [] mLocationListeners = new LocationListener[] { 256 new LocationListener(LocationManager.GPS_PROVIDER), 257 new LocationListener(LocationManager.NETWORK_PROVIDER) 258 }; 259 260 261 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 262 @Override 263 public void onReceive(Context context, Intent intent) { 264 String action = intent.getAction(); 265 if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) { 266 // SD card available 267 updateStorageHint(calculatePicturesRemaining()); 268 } else if (action.equals(Intent.ACTION_MEDIA_UNMOUNTED) || 269 action.equals(Intent.ACTION_MEDIA_CHECKING)) { 270 // SD card unavailable 271 mPicturesRemaining = MenuHelper.NO_STORAGE_ERROR; 272 updateStorageHint(mPicturesRemaining); 273 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) { 274 Toast.makeText(Camera.this, getResources().getString(R.string.wait), 5000); 275 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) { 276 updateStorageHint(); 277 } 278 } 279 }; 280 281 private class LocationListener implements android.location.LocationListener { 282 Location mLastLocation; 283 boolean mValid = false; 284 String mProvider; 285 286 public LocationListener(String provider) { 287 mProvider = provider; 288 mLastLocation = new Location(mProvider); 289 } 290 291 public void onLocationChanged(Location newLocation) { 292 if (newLocation.getLatitude() == 0.0 && newLocation.getLongitude() == 0.0) { 293 // Hack to filter out 0.0,0.0 locations 294 return; 295 } 296 mLastLocation.set(newLocation); 297 mValid = true; 298 } 299 300 public void onProviderEnabled(String provider) { 301 } 302 303 public void onProviderDisabled(String provider) { 304 mValid = false; 305 } 306 307 public void onStatusChanged(String provider, int status, Bundle extras) { 308 if (status == LocationProvider.OUT_OF_SERVICE) { 309 mValid = false; 310 } 311 } 312 313 public Location current() { 314 return mValid ? mLastLocation : null; 315 } 316 }; 317 318 private boolean mImageSavingItem = false; 319 320 private final class ShutterCallback implements android.hardware.Camera.ShutterCallback { 321 public void onShutter() { 322 if (DEBUG_TIME_OPERATIONS) { 323 mShutterCallbackTime = System.currentTimeMillis(); 324 Log.v(TAG, "Shutter lag was " + (mShutterCallbackTime - mCaptureStartTime) + " ms."); 325 } 326 if (mClickSound != null) { 327 mClickSound.start(); 328 } 329 mBlackout.setVisibility(View.VISIBLE); 330 331 Size pictureSize = mParameters.getPictureSize(); 332 // Resize the SurfaceView to the aspect-ratio of the still image 333 // and so that we can see the full image that was taken. 334 mSurfaceView.setAspectRatio(pictureSize.width, pictureSize.height); 335 } 336 }; 337 338 private final class RawPictureCallback implements PictureCallback { 339 public void onPictureTaken(byte [] rawData, android.hardware.Camera camera) { 340 if (Config.LOGV) 341 Log.v(TAG, "got RawPictureCallback..."); 342 mRawPictureCallbackTime = System.currentTimeMillis(); 343 if (DEBUG_TIME_OPERATIONS) { 344 Log.v(TAG, (mRawPictureCallbackTime - mShutterCallbackTime) + "ms elapsed between" + 345 " ShutterCallback and RawPictureCallback."); 346 } 347 mBlackout.setVisibility(View.GONE); 348 } 349 }; 350 351 private final class JpegPictureCallback implements PictureCallback { 352 Location mLocation; 353 354 public JpegPictureCallback(Location loc) { 355 mLocation = loc; 356 } 357 358 public void onPictureTaken(byte [] jpegData, android.hardware.Camera camera) { 359 if (Config.LOGV) 360 Log.v(TAG, "got JpegPictureCallback..."); 361 362 if (DEBUG_TIME_OPERATIONS) { 363 long mJpegPictureCallback = System.currentTimeMillis(); 364 Log.v(TAG, (mJpegPictureCallback - mRawPictureCallbackTime) + "ms elapsed between" + 365 " RawPictureCallback and JpegPictureCallback."); 366 } 367 368 mImageCapture.storeImage(jpegData, camera, mLocation); 369 370 mStatus = SNAPSHOT_COMPLETED; 371 372 if (mKeepAndRestartPreview) { 373 long delay = 1500 - (System.currentTimeMillis() - mRawPictureCallbackTime); 374 mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, Math.max(delay, 0)); 375 } 376 } 377 }; 378 379 private final class AutoFocusCallback implements android.hardware.Camera.AutoFocusCallback { 380 public void onAutoFocus(boolean focused, android.hardware.Camera camera) { 381 if (DEBUG_TIME_OPERATIONS) { 382 mFocusCallbackTime = System.currentTimeMillis(); 383 Log.v(TAG, "Auto focus took " + (mFocusCallbackTime - mFocusStartTime) + " ms."); 384 } 385 386 if (mFocusState == FOCUSING_SNAP_ON_FINISH && mCaptureObject != null) { 387 // Take the picture no matter focus succeeds or fails. 388 // No need to play the AF sound if we're about to play the shutter sound. 389 mCaptureObject.onSnap(); 390 clearFocusState(); 391 } else if (mFocusState == FOCUSING) { 392 // User is half-pressing the focus key. Play the focus tone. 393 // Do not take the picture now. 394 ToneGenerator tg = mFocusToneGenerator; 395 if (tg != null) 396 tg.startTone(ToneGenerator.TONE_PROP_BEEP2); 397 if (focused) { 398 mFocusState = FOCUS_SUCCESS; 399 } 400 else { 401 mFocusState = FOCUS_FAIL; 402 } 403 } else if (mFocusState == FOCUS_NOT_STARTED) { 404 // User has released the focus key before focus completes. 405 // Do nothing. 406 } 407 updateFocusIndicator(); 408 } 409 }; 410 411 private class ImageCapture implements Capturer { 412 413 private boolean mCancel = false; 414 private boolean mCapturing = false; 415 416 private Uri mLastContentUri; 417 private ImageManager.IAddImage_cancelable mAddImageCancelable; 418 419 Bitmap mCaptureOnlyBitmap; 420 421 /** These member variables are used for various debug timings */ 422 private long mThreadTimeStart; 423 private long mThreadTimeEnd; 424 private long mWallTimeStart; 425 private long mWallTimeEnd; 426 427 428 public ImageCapture() { 429 } 430 431 /** 432 * This method sets whether or not we are capturing a picture. This method must be called 433 * with the ImageCapture.this lock held. 434 */ 435 public void setCapturingLocked(boolean capturing) { 436 mCapturing = capturing; 437 } 438 439 /* 440 * Tell the ImageCapture thread to exit when possible. 441 */ 442 public void setDone(boolean wait) { 443 } 444 445 /* 446 * Tell the image capture thread to not "dismiss" the current 447 * capture when the current image is stored, etc. 448 */ 449 public void cancelAutoDismiss() { 450 } 451 452 public void dismissFreezeFrame(boolean keep) { 453 if (keep) { 454 cancelSavingNotification(); 455 } else { 456 Toast.makeText(Camera.this, R.string.camera_tossing, Toast.LENGTH_SHORT).show(); 457 } 458 459 if (mStatus == SNAPSHOT_IN_PROGRESS) { 460 // If we are still in the process of taking a picture, then just post a message. 461 mHandler.sendEmptyMessage(RESTART_PREVIEW); 462 } else { 463 restartPreview(); 464 } 465 } 466 467 private void startTiming() { 468 mWallTimeStart = SystemClock.elapsedRealtime(); 469 mThreadTimeStart = Debug.threadCpuTimeNanos(); 470 } 471 472 private void stopTiming() { 473 mThreadTimeEnd = Debug.threadCpuTimeNanos(); 474 mWallTimeEnd = SystemClock.elapsedRealtime(); 475 } 476 477 private void storeImage(byte[] data, Location loc) { 478 try { 479 if (DEBUG_TIME_OPERATIONS) { 480 startTiming(); 481 } 482 long dateTaken = System.currentTimeMillis(); 483 String name = createName(dateTaken) + ".jpg"; 484 mLastContentUri = ImageManager.instance().addImage( 485 Camera.this, 486 mContentResolver, 487 name, 488 "", 489 dateTaken, 490 // location for the database goes here 491 loc, 492 0, // the dsp will use the right orientation so don't "double set it" 493 ImageManager.CAMERA_IMAGE_BUCKET_NAME, 494 name); 495 496 if (mLastContentUri == null) { 497 // this means we got an error 498 mCancel = true; 499 } 500 if (!mCancel) { 501 mAddImageCancelable = ImageManager.instance().storeImage(mLastContentUri, 502 Camera.this, mContentResolver, 0, null, data); 503 mAddImageCancelable.get(); 504 mAddImageCancelable = null; 505 } 506 507 if (DEBUG_TIME_OPERATIONS) { 508 stopTiming(); 509 Log.d(TAG, "Storing image took " + (mWallTimeEnd - mWallTimeStart) + " ms. " + 510 "Thread time was " + ((mThreadTimeEnd - mThreadTimeStart) / 1000000) + 511 " ms."); 512 } 513 } catch (Exception ex) { 514 Log.e(TAG, "Exception while compressing image.", ex); 515 } 516 } 517 518 public void storeImage(byte[] data, android.hardware.Camera camera, Location loc) { 519 boolean captureOnly = isImageCaptureIntent(); 520 521 if (!captureOnly) { 522 storeImage(data, loc); 523 sendBroadcast(new Intent("com.android.camera.NEW_PICTURE", mLastContentUri)); 524 setLastPictureThumb(data, mCaptureObject.getLastCaptureUri()); 525 dismissFreezeFrame(true); 526 } else { 527 BitmapFactory.Options options = new BitmapFactory.Options(); 528 options.inSampleSize = 4; 529 530 if (DEBUG_TIME_OPERATIONS) { 531 startTiming(); 532 } 533 534 mCaptureOnlyBitmap = BitmapFactory.decodeByteArray(data, 0, data.length, options); 535 536 if (DEBUG_TIME_OPERATIONS) { 537 stopTiming(); 538 Log.d(TAG, "Decoded mCaptureOnly bitmap (" + mCaptureOnlyBitmap.getWidth() + 539 "x" + mCaptureOnlyBitmap.getHeight() + " ) in " + 540 (mWallTimeEnd - mWallTimeStart) + " ms. Thread time was " + 541 ((mThreadTimeEnd - mThreadTimeStart) / 1000000) + " ms."); 542 } 543 544 showPostCaptureAlert(); 545 cancelAutomaticPreviewRestart(); 546 } 547 548 mCapturing = false; 549 if (mPausing) { 550 closeCamera(); 551 } 552 } 553 554 /* 555 * Tells the image capture thread to abort the capture of the 556 * current image. 557 */ 558 public void cancelSave() { 559 if (!mCapturing) { 560 return; 561 } 562 563 mCancel = true; 564 565 if (mAddImageCancelable != null) { 566 mAddImageCancelable.cancel(); 567 } 568 dismissFreezeFrame(false); 569 } 570 571 /* 572 * Initiate the capture of an image. 573 */ 574 public void initiate(boolean captureOnly) { 575 if (mCameraDevice == null) { 576 return; 577 } 578 579 mCancel = false; 580 mCapturing = true; 581 582 capture(captureOnly); 583 } 584 585 public Uri getLastCaptureUri() { 586 return mLastContentUri; 587 } 588 589 public Bitmap getLastBitmap() { 590 return mCaptureOnlyBitmap; 591 } 592 593 private void capture(boolean captureOnly) { 594 mPreviewing = false; 595 mCaptureOnlyBitmap = null; 596 597 final int latchedOrientation = ImageManager.roundOrientation(mLastOrientation + 90); 598 599 Boolean recordLocation = mPreferences.getBoolean("pref_camera_recordlocation_key", false); 600 Location loc = recordLocation ? getCurrentLocation() : null; 601 // Quality 75 has visible artifacts, and quality 90 looks great but the files begin to 602 // get large. 85 is a good compromise between the two. 603 mParameters.set("jpeg-quality", 85); 604 mParameters.set("rotation", latchedOrientation); 605 606 mParameters.remove("gps-latitude"); 607 mParameters.remove("gps-longitude"); 608 mParameters.remove("gps-altitude"); 609 mParameters.remove("gps-timestamp"); 610 611 if (loc != null) { 612 double lat = loc.getLatitude(); 613 double lon = loc.getLongitude(); 614 boolean hasLatLon = (lat != 0.0d) || (lon != 0.0d); 615 616 if (hasLatLon) { 617 String latString = String.valueOf(lat); 618 String lonString = String.valueOf(lon); 619 mParameters.set("gps-latitude", latString); 620 mParameters.set("gps-longitude", lonString); 621 if (loc.hasAltitude()) { 622 mParameters.set("gps-altitude", String.valueOf(loc.getAltitude())); 623 } else { 624 // for NETWORK_PROVIDER location provider, we may have 625 // no altitude information, but the driver needs it, so 626 // we fake one. 627 mParameters.set("gps-altitude", "0"); 628 } 629 if (loc.getTime() != 0) { 630 // Location.getTime() is UTC in milliseconds. 631 // gps-timestamp is UTC in seconds. 632 long utcTimeSeconds = loc.getTime() / 1000; 633 mParameters.set("gps-timestamp", String.valueOf(utcTimeSeconds)); 634 } 635 } else { 636 loc = null; 637 } 638 } 639 640 mCameraDevice.setParameters(mParameters); 641 642 mCameraDevice.takePicture(mShutterCallback, mRawPictureCallback, new JpegPictureCallback(loc)); 643 // Prepare the sound to play in shutter callback. 644 if (mClickSound != null) { 645 mClickSound.seekTo(0); 646 } 647 } 648 649 public void onSnap() { 650 if (DEBUG_TIME_OPERATIONS) mCaptureStartTime = System.currentTimeMillis(); 651 652 // If we are already in the middle of taking a snapshot then we should just save 653 // the image after we have returned from the camera service. 654 if (mStatus == SNAPSHOT_IN_PROGRESS || mStatus == SNAPSHOT_COMPLETED) { 655 mKeepAndRestartPreview = true; 656 mHandler.sendEmptyMessage(RESTART_PREVIEW); 657 return; 658 } 659 660 // Don't check the filesystem here, we can't afford the latency. Instead, check the 661 // cached value which was calculated when the preview was restarted. 662 if (mPicturesRemaining < 1) { 663 updateStorageHint(mPicturesRemaining); 664 return; 665 } 666 667 mStatus = SNAPSHOT_IN_PROGRESS; 668 669 mKeepAndRestartPreview = true; 670 671 boolean getContentAction = isImageCaptureIntent(); 672 if (getContentAction) { 673 mImageCapture.initiate(true); 674 } else { 675 mImageCapture.initiate(false); 676 } 677 } 678 } 679 680 private void setLastPictureThumb(byte[] data, Uri uri) { 681 BitmapFactory.Options options = new BitmapFactory.Options(); 682 options.inSampleSize = 16; 683 684 Bitmap lastPictureThumb = BitmapFactory.decodeByteArray(data, 0, data.length, options); 685 686 setLastPictureThumb(lastPictureThumb, uri); 687 } 688 689 private void setLastPictureThumb(Bitmap lastPictureThumb, Uri uri) { 690 691 final int PADDING_WIDTH = 2; 692 final int PADDING_HEIGHT = 2; 693 LayoutParams layoutParams = mLastPictureButton.getLayoutParams(); 694 // Make the mini-thumbnail size smaller than the button size so that the image corners 695 // don't peek out from the rounded corners of the frame_thumbnail graphic: 696 final int miniThumbWidth = layoutParams.width - 2 * PADDING_WIDTH; 697 final int miniThumbHeight = layoutParams.height - 2 * PADDING_HEIGHT; 698 699 lastPictureThumb = ImageManager.extractMiniThumb(lastPictureThumb, 700 miniThumbWidth, miniThumbHeight); 701 702 Drawable[] vignetteLayers = new Drawable[2]; 703 vignetteLayers[1] = getResources().getDrawable(R.drawable.frame_thumbnail); 704 if (mThumbnails == null) { 705 mThumbnails = new Drawable[2]; 706 mThumbnails[1] = new BitmapDrawable(lastPictureThumb); 707 vignetteLayers[0] = mThumbnails[1]; 708 } else { 709 mThumbnails[0] = mThumbnails[1]; 710 mThumbnails[1] = new BitmapDrawable(lastPictureThumb); 711 mThumbnailTransition = new TransitionDrawable(mThumbnails); 712 mShouldTransitionThumbnails = true; 713 vignetteLayers[0] = mThumbnailTransition; 714 } 715 716 mVignette = new LayerDrawable(vignetteLayers); 717 mVignette.setLayerInset(0, PADDING_WIDTH, PADDING_HEIGHT, 718 PADDING_WIDTH, PADDING_HEIGHT); 719 mLastPictureButton.setImageDrawable(mVignette); 720 721 if (mLastPictureButton.getVisibility() != View.VISIBLE) { 722 mShouldShowLastPictureButton = true; 723 } 724 mLastPictureThumb = lastPictureThumb; 725 mLastPictureUri = uri; 726 } 727 728 static private String createName(long dateTaken) { 729 return DateFormat.format("yyyy-MM-dd kk.mm.ss", dateTaken).toString(); 730 } 731 732 static public Matrix GetDisplayMatrix(Bitmap b, ImageView v) { 733 Matrix m = new Matrix(); 734 float bw = (float)b.getWidth(); 735 float bh = (float)b.getHeight(); 736 float vw = (float)v.getWidth(); 737 float vh = (float)v.getHeight(); 738 float scale, x, y; 739 if (bw*vh > vw*bh) { 740 scale = vh / bh; 741 x = (vw - scale*bw)*0.5F; 742 y = 0; 743 } else { 744 scale = vw / bw; 745 x = 0; 746 y = (vh - scale*bh)*0.5F; 747 } 748 m.setScale(scale, scale, 0.5F, 0.5F); 749 m.postTranslate(x, y); 750 return m; 751 } 752 753 private void postAfterKeep(final Runnable r) { 754 Resources res = getResources(); 755 756 if (mSavingProgress != null) { 757 mSavingProgress = ProgressDialog.show(this, res.getString(R.string.savingImage), 758 res.getString(R.string.wait)); 759 } 760 761 Message msg = mHandler.obtainMessage(KEEP); 762 msg.obj = r; 763 msg.sendToTarget(); 764 } 765 766 /** Called with the activity is first created. */ 767 @Override 768 public void onCreate(Bundle icicle) { 769 super.onCreate(icicle); 770 771 // To reduce startup time, we open camera device in another thread. 772 // We make sure the camera is opened at the end of onCreate. 773 Thread openCameraThread = new Thread(new Runnable() { 774 public void run() { 775 mCameraDevice = android.hardware.Camera.open(); 776 } 777 }); 778 openCameraThread.start(); 779 780 // To reduce startup time, we run some service creation code in another thread. 781 // We make sure the services are loaded at the end of onCreate(). 782 Thread loadServiceThread = new Thread(new Runnable() { 783 public void run() { 784 mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); 785 mOrientationListener = new OrientationEventListener(Camera.this) { 786 public void onOrientationChanged(int orientation) { 787 // We keep the last known orientation. So if the user 788 // first orient the camera then point the camera to 789 // floor/sky, we still have the correct orientation. 790 if (orientation != ORIENTATION_UNKNOWN) 791 mLastOrientation = orientation; 792 } 793 }; 794 } 795 }); 796 loadServiceThread.start(); 797 798 mPreferences = PreferenceManager.getDefaultSharedPreferences(this); 799 mContentResolver = getContentResolver(); 800 801 Window win = getWindow(); 802 win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 803 setContentView(R.layout.camera); 804 805 mSurfaceView = (VideoPreview) findViewById(R.id.camera_preview); 806 807 // don't set mSurfaceHolder here. We have it set ONLY within 808 // surfaceCreated / surfaceDestroyed, other parts of the code 809 // assume that when it is set, the surface is also set. 810 SurfaceHolder holder = mSurfaceView.getHolder(); 811 holder.addCallback(this); 812 holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); 813 814 mBlackout = findViewById(R.id.blackout); 815 816 if (!isImageCaptureIntent()) { 817 mLastPictureButton = (ImageView) findViewById(R.id.last_picture_button); 818 mLastPictureButton.setOnClickListener(this); 819 loadLastThumb(); 820 } 821 822 mShutterButton = (ShutterButton) findViewById(R.id.shutter_button); 823 mShutterButton.setOnShutterButtonListener(this); 824 825 try { 826 mClickSound = new MediaPlayer(); 827 AssetFileDescriptor afd = getResources().openRawResourceFd(R.raw.camera_click); 828 829 mClickSound.setDataSource(afd.getFileDescriptor(), 830 afd.getStartOffset(), 831 afd.getLength()); 832 833 if (mClickSound != null) { 834 mClickSound.setAudioStreamType(AudioManager.STREAM_ALARM); 835 mClickSound.prepare(); 836 } 837 } catch (Exception ex) { 838 Log.w(TAG, "Couldn't create click sound", ex); 839 } 840 841 mFocusIndicator = findViewById(R.id.focus_indicator); 842 mFocusBlinkAnimation = AnimationUtils.loadAnimation(this, R.anim.auto_focus_blink); 843 mFocusBlinkAnimation.setRepeatCount(Animation.INFINITE); 844 mFocusBlinkAnimation.setRepeatMode(Animation.REVERSE); 845 846 // We load the post_picture_panel layout only if it is needed. 847 if (isImageCaptureIntent()) { 848 ViewGroup cameraView = (ViewGroup)findViewById(R.id.camera); 849 getLayoutInflater().inflate(R.layout.post_picture_panel, 850 cameraView); 851 mPostCaptureAlert = findViewById(R.id.post_picture_panel); 852 } 853 854 // Make sure the services are loaded. 855 try { 856 openCameraThread.join(); 857 loadServiceThread.join(); 858 } catch (InterruptedException ex) { 859 } 860 861 ImageManager.ensureOSXCompatibleFolder(); 862 } 863 864 @Override 865 public void onStart() { 866 super.onStart(); 867 868 Thread t = new Thread(new Runnable() { 869 public void run() { 870 final boolean storageOK = calculatePicturesRemaining() > 0; 871 872 if (!storageOK) { 873 mHandler.post(new Runnable() { 874 public void run() { 875 updateStorageHint(mPicturesRemaining); 876 } 877 }); 878 } 879 } 880 }); 881 t.start(); 882 } 883 884 public void onClick(View v) { 885 switch (v.getId()) { 886 case R.id.last_picture_button: 887 viewLastImage(); 888 break; 889 case R.id.attach: 890 doAttach(); 891 break; 892 case R.id.cancel: 893 doCancel(); 894 } 895 } 896 897 private void doAttach() { 898 Bitmap bitmap = mImageCapture.getLastBitmap(); 899 mCaptureObject.setDone(true); 900 901 String cropValue = null; 902 Uri saveUri = null; 903 904 Bundle myExtras = getIntent().getExtras(); 905 if (myExtras != null) { 906 saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 907 cropValue = myExtras.getString("crop"); 908 } 909 910 911 if (cropValue == null) { 912 /* 913 * First handle the no crop case -- just return the value. If the caller 914 * specifies a "save uri" then write the data to it's stream. Otherwise, 915 * pass back a scaled down version of the bitmap directly in the extras. 916 */ 917 if (saveUri != null) { 918 OutputStream outputStream = null; 919 try { 920 outputStream = mContentResolver.openOutputStream(saveUri); 921 bitmap.compress(Bitmap.CompressFormat.JPEG, 75, outputStream); 922 outputStream.close(); 923 924 setResult(RESULT_OK); 925 finish(); 926 } catch (IOException ex) { 927 // 928 } finally { 929 if (outputStream != null) { 930 try { 931 outputStream.close(); 932 } catch (IOException ex) { 933 934 } 935 } 936 } 937 } else { 938 float scale = .5F; 939 Matrix m = new Matrix(); 940 m.setScale(scale, scale); 941 942 bitmap = Bitmap.createBitmap(bitmap, 0, 0, 943 bitmap.getWidth(), 944 bitmap.getHeight(), 945 m, true); 946 947 setResult(RESULT_OK, new Intent("inline-data").putExtra("data", bitmap)); 948 finish(); 949 } 950 } 951 else { 952 /* 953 * Save the image to a temp file and invoke the cropper 954 */ 955 Uri tempUri = null; 956 FileOutputStream tempStream = null; 957 try { 958 File path = getFileStreamPath(sTempCropFilename); 959 path.delete(); 960 tempStream = openFileOutput(sTempCropFilename, 0); 961 bitmap.compress(Bitmap.CompressFormat.JPEG, 75, tempStream); 962 tempStream.close(); 963 tempUri = Uri.fromFile(path); 964 } catch (FileNotFoundException ex) { 965 setResult(Activity.RESULT_CANCELED); 966 finish(); 967 return; 968 } catch (IOException ex) { 969 setResult(Activity.RESULT_CANCELED); 970 finish(); 971 return; 972 } finally { 973 if (tempStream != null) { 974 try { 975 tempStream.close(); 976 } catch (IOException ex) { 977 978 } 979 } 980 } 981 982 Bundle newExtras = new Bundle(); 983 if (cropValue.equals("circle")) 984 newExtras.putString("circleCrop", "true"); 985 if (saveUri != null) 986 newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, saveUri); 987 else 988 newExtras.putBoolean("return-data", true); 989 990 Intent cropIntent = new Intent(); 991 cropIntent.setClass(Camera.this, CropImage.class); 992 cropIntent.setData(tempUri); 993 cropIntent.putExtras(newExtras); 994 995 startActivityForResult(cropIntent, CROP_MSG); 996 } 997 } 998 999 private void doCancel() { 1000 setResult(RESULT_CANCELED, new Intent()); 1001 finish(); 1002 } 1003 1004 public void onShutterButtonFocus(ShutterButton button, boolean pressed) { 1005 switch (button.getId()) { 1006 case R.id.shutter_button: 1007 doFocus(pressed); 1008 break; 1009 } 1010 } 1011 1012 public void onShutterButtonClick(ShutterButton button) { 1013 switch (button.getId()) { 1014 case R.id.shutter_button: 1015 doSnap(); 1016 break; 1017 } 1018 } 1019 1020 private void updateStorageHint() { 1021 updateStorageHint(MenuHelper.calculatePicturesRemaining()); 1022 } 1023 1024 private OnScreenHint mStorageHint; 1025 1026 private void updateStorageHint(int remaining) { 1027 String noStorageText = null; 1028 1029 if (remaining == MenuHelper.NO_STORAGE_ERROR) { 1030 String state = Environment.getExternalStorageState(); 1031 if (state == Environment.MEDIA_CHECKING) { 1032 noStorageText = getString(R.string.preparing_sd); 1033 } else { 1034 noStorageText = getString(R.string.no_storage); 1035 } 1036 } else if (remaining < 1) { 1037 noStorageText = getString(R.string.not_enough_space); 1038 } 1039 1040 if (noStorageText != null) { 1041 if (mStorageHint == null) { 1042 mStorageHint = OnScreenHint.makeText(this, noStorageText); 1043 } else { 1044 mStorageHint.setText(noStorageText); 1045 } 1046 mStorageHint.show(); 1047 } else if (mStorageHint != null) { 1048 mStorageHint.cancel(); 1049 mStorageHint = null; 1050 } 1051 } 1052 1053 @Override 1054 public void onResume() { 1055 super.onResume(); 1056 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 1057 1058 mPausing = false; 1059 mOrientationListener.enable(); 1060 1061 // install an intent filter to receive SD card related events. 1062 IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_MOUNTED); 1063 intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED); 1064 intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED); 1065 intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); 1066 intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING); 1067 intentFilter.addDataScheme("file"); 1068 registerReceiver(mReceiver, intentFilter); 1069 mDidRegister = true; 1070 1071 mImageCapture = new ImageCapture(); 1072 1073 restartPreview(); 1074 1075 if (mPreferences.getBoolean("pref_camera_recordlocation_key", false)) 1076 startReceivingLocationUpdates(); 1077 1078 updateFocusIndicator(); 1079 1080 try { 1081 mFocusToneGenerator = new ToneGenerator(AudioManager.STREAM_SYSTEM, FOCUS_BEEP_VOLUME); 1082 } catch (RuntimeException e) { 1083 Log.w(TAG, "Exception caught while creating local tone generator: " + e); 1084 mFocusToneGenerator = null; 1085 } 1086 1087 mBlackout.setVisibility(View.GONE); 1088 } 1089 1090 private ImageManager.DataLocation dataLocation() { 1091 return ImageManager.DataLocation.EXTERNAL; 1092 } 1093 1094 private static final int BUFSIZE = 4096; 1095 1096 // Stores the thumbnail and URI of last-picture-taken to SD card, so we can 1097 // load it the next time the Camera app starts. 1098 private void storeLastThumb() { 1099 if (mLastPictureUri != null && mLastPictureThumb != null) { 1100 try { 1101 FileOutputStream f = new FileOutputStream(ImageManager.getLastThumbPath()); 1102 try { 1103 BufferedOutputStream b = new BufferedOutputStream(f, BUFSIZE); 1104 try { 1105 DataOutputStream d = new DataOutputStream(b); 1106 try { 1107 d.writeUTF(mLastPictureUri.toString()); 1108 mLastPictureThumb.compress(Bitmap.CompressFormat.PNG, 100, d); 1109 } finally { 1110 d.close(); 1111 b = null; 1112 f = null; 1113 } 1114 } finally { 1115 if (b != null) { 1116 b.close(); 1117 f = null; 1118 } 1119 } 1120 } finally { 1121 if (f != null) { 1122 f.close(); 1123 } 1124 } 1125 } catch (IOException e) { 1126 } 1127 } 1128 } 1129 1130 // Loads the thumbnail and URI of last-picture-taken from SD card. 1131 private void loadLastThumb() { 1132 try { 1133 FileInputStream f = new FileInputStream(ImageManager.getLastThumbPath()); 1134 try { 1135 BufferedInputStream b = new BufferedInputStream(f, BUFSIZE); 1136 try { 1137 DataInputStream d = new DataInputStream(b); 1138 try { 1139 Uri lastUri = Uri.parse(d.readUTF()); 1140 Bitmap lastThumb = BitmapFactory.decodeStream(d); 1141 setLastPictureThumb(lastThumb, lastUri); 1142 } finally { 1143 d.close(); 1144 b = null; 1145 f = null; 1146 } 1147 } finally { 1148 if (b != null) { 1149 b.close(); 1150 f = null; 1151 } 1152 } 1153 } finally { 1154 if (f != null) { 1155 f.close(); 1156 } 1157 } 1158 } catch (IOException e) { 1159 } 1160 } 1161 1162 @Override 1163 public void onStop() { 1164 keep(); 1165 stopPreview(); 1166 closeCamera(); 1167 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 1168 super.onStop(); 1169 } 1170 1171 @Override 1172 protected void onPause() { 1173 keep(); 1174 1175 mPausing = true; 1176 mOrientationListener.disable(); 1177 1178 stopPreview(); 1179 1180 if (!mImageCapture.mCapturing) { 1181 closeCamera(); 1182 } 1183 if (mDidRegister) { 1184 unregisterReceiver(mReceiver); 1185 mDidRegister = false; 1186 } 1187 stopReceivingLocationUpdates(); 1188 1189 if (mFocusToneGenerator != null) { 1190 mFocusToneGenerator.release(); 1191 mFocusToneGenerator = null; 1192 } 1193 1194 storeLastThumb(); 1195 if (mStorageHint != null) { 1196 mStorageHint.cancel(); 1197 mStorageHint = null; 1198 } 1199 super.onPause(); 1200 } 1201 1202 @Override 1203 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 1204 switch (requestCode) { 1205 case CROP_MSG: { 1206 Intent intent = new Intent(); 1207 if (data != null) { 1208 Bundle extras = data.getExtras(); 1209 if (extras != null) { 1210 intent.putExtras(extras); 1211 } 1212 } 1213 setResult(resultCode, intent); 1214 finish(); 1215 1216 File path = getFileStreamPath(sTempCropFilename); 1217 path.delete(); 1218 1219 break; 1220 } 1221 } 1222 } 1223 1224 private void autoFocus() { 1225 updateFocusIndicator(); 1226 if (mFocusState != FOCUSING && mFocusState != FOCUSING_SNAP_ON_FINISH) { 1227 if (mCameraDevice != null) { 1228 if (DEBUG_TIME_OPERATIONS) { 1229 mFocusStartTime = System.currentTimeMillis(); 1230 } 1231 mFocusState = FOCUSING; 1232 mCameraDevice.autoFocus(mAutoFocusCallback); 1233 } 1234 } 1235 } 1236 1237 private void clearFocusState() { 1238 mFocusState = FOCUS_NOT_STARTED; 1239 } 1240 1241 private void updateFocusIndicator() { 1242 mHandler.post(new Runnable() { 1243 public void run() { 1244 if (mFocusState == FOCUS_SUCCESS) { 1245 mFocusIndicator.setVisibility(View.VISIBLE); 1246 mFocusIndicator.clearAnimation(); 1247 } else if (mFocusState == FOCUS_FAIL) { 1248 mFocusIndicator.setVisibility(View.VISIBLE); 1249 mFocusIndicator.startAnimation(mFocusBlinkAnimation); 1250 } else { 1251 mFocusIndicator.setVisibility(View.GONE); 1252 mFocusIndicator.clearAnimation(); 1253 } 1254 } 1255 }); 1256 } 1257 1258 1259 @Override 1260 public boolean onKeyDown(int keyCode, KeyEvent event) { 1261 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 1262 getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 1263 1264 switch (keyCode) { 1265 case KeyEvent.KEYCODE_BACK: 1266 if (mStatus == SNAPSHOT_IN_PROGRESS) { 1267 // ignore backs while we're taking a picture 1268 return true; 1269 } 1270 break; 1271 case KeyEvent.KEYCODE_FOCUS: 1272 if (event.getRepeatCount() == 0) { 1273 doFocus(true); 1274 } 1275 return true; 1276 case KeyEvent.KEYCODE_CAMERA: 1277 if (event.getRepeatCount() == 0) { 1278 doSnap(); 1279 } 1280 return true; 1281 case KeyEvent.KEYCODE_DPAD_CENTER: 1282 // If we get a dpad center event without any focused view, move the 1283 // focus to the shutter button and press it. 1284 if (event.getRepeatCount() == 0) { 1285 // Start auto-focus immediately to reduce shutter lag. After the shutter button 1286 // gets the focus, doFocus() will be called again but it is fine. 1287 doFocus(true); 1288 if (mShutterButton.isInTouchMode()) { 1289 mShutterButton.requestFocusFromTouch(); 1290 } else { 1291 mShutterButton.requestFocus(); 1292 } 1293 mShutterButton.setPressed(true); 1294 } 1295 return true; 1296 } 1297 1298 return super.onKeyDown(keyCode, event); 1299 } 1300 1301 @Override 1302 public boolean onKeyUp(int keyCode, KeyEvent event) { 1303 switch (keyCode) { 1304 case KeyEvent.KEYCODE_FOCUS: 1305 doFocus(false); 1306 return true; 1307 } 1308 return super.onKeyUp(keyCode, event); 1309 } 1310 1311 private void doSnap() { 1312 // If the user has half-pressed the shutter and focus is completed, we 1313 // can take the photo right away. 1314 if ((mFocusState == FOCUS_SUCCESS || mFocusState == FOCUS_FAIL) 1315 || !mPreviewing) { 1316 // doesn't get set until the idler runs 1317 if (mCaptureObject != null) { 1318 mCaptureObject.onSnap(); 1319 } 1320 clearFocusState(); 1321 updateFocusIndicator(); 1322 } else { 1323 // Half pressing the shutter (i.e. the focus button event) will 1324 // already have requested AF for us, so just request capture on 1325 // focus here. 1326 mFocusState = FOCUSING_SNAP_ON_FINISH; 1327 } 1328 } 1329 1330 private void doFocus(boolean pressed) { 1331 if (pressed) { // Focus key down. 1332 if (mPreviewing) { 1333 autoFocus(); 1334 } else if (mCaptureObject != null) { 1335 // Save and restart preview 1336 mCaptureObject.onSnap(); 1337 } 1338 } else { // Focus key up. 1339 if (mFocusState != FOCUSING_SNAP_ON_FINISH) { 1340 // User releases half-pressed focus key. 1341 clearFocusState(); 1342 updateFocusIndicator(); 1343 } 1344 } 1345 } 1346 1347 public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { 1348 // if we're creating the surface, start the preview as well. 1349 boolean preview = holder.isCreating(); 1350 setViewFinder(w, h, preview); 1351 mCaptureObject = mImageCapture; 1352 } 1353 1354 public void surfaceCreated(SurfaceHolder holder) { 1355 mSurfaceHolder = holder; 1356 } 1357 1358 public void surfaceDestroyed(SurfaceHolder holder) { 1359 stopPreview(); 1360 mSurfaceHolder = null; 1361 } 1362 1363 private void closeCamera() { 1364 if (mCameraDevice != null) { 1365 mCameraDevice.release(); 1366 mCameraDevice = null; 1367 mPreviewing = false; 1368 } 1369 } 1370 1371 private boolean ensureCameraDevice() { 1372 if (mCameraDevice == null) { 1373 mCameraDevice = android.hardware.Camera.open(); 1374 } 1375 return mCameraDevice != null; 1376 } 1377 1378 private boolean isLastPictureValid() { 1379 boolean isValid = true; 1380 if (mLastPictureUri == null) return false; 1381 try { 1382 mContentResolver.openFileDescriptor(mLastPictureUri, "r").close(); 1383 } 1384 catch (Exception ex) { 1385 isValid = false; 1386 Log.e(TAG, ex.toString()); 1387 } 1388 return isValid; 1389 } 1390 1391 private void updateLastImage() { 1392 ImageManager.IImageList list = ImageManager.instance().allImages( 1393 this, 1394 mContentResolver, 1395 dataLocation(), 1396 ImageManager.INCLUDE_IMAGES, 1397 ImageManager.SORT_ASCENDING, 1398 ImageManager.CAMERA_IMAGE_BUCKET_ID); 1399 int count = list.getCount(); 1400 if (count > 0) { 1401 ImageManager.IImage image = list.getImageAt(count-1); 1402 mLastPictureUri = image.fullSizeImageUri(); 1403 Log.v(TAG, "updateLastImage: count="+ count + 1404 ", lastPictureUri="+mLastPictureUri); 1405 setLastPictureThumb(image.miniThumbBitmap(), mLastPictureUri); 1406 } else { 1407 mLastPictureUri = null; 1408 } 1409 list.deactivate(); 1410 } 1411 1412 private void restartPreview() { 1413 VideoPreview surfaceView = mSurfaceView; 1414 1415 // make sure the surfaceview fills the whole screen when previewing 1416 surfaceView.setAspectRatio(VideoPreview.DONT_CARE); 1417 setViewFinder(mOriginalViewFinderWidth, mOriginalViewFinderHeight, true); 1418 mStatus = IDLE; 1419 1420 // Calculate this in advance of each shot so we don't add to shutter latency. It's true that 1421 // someone else could write to the SD card in the mean time and fill it, but that could have 1422 // happened between the shutter press and saving the JPEG too. 1423 // TODO: The best longterm solution is to write a reserve file of maximum JPEG size, always 1424 // let the user take a picture, and delete that file if needed to save the new photo. 1425 calculatePicturesRemaining(); 1426 1427 if (!isImageCaptureIntent() && !isLastPictureValid()) { 1428 updateLastImage(); 1429 } 1430 1431 if (mShouldShowLastPictureButton) { 1432 mShouldShowLastPictureButton = false; 1433 mLastPictureButton.setVisibility(View.VISIBLE); 1434 Animation a = mShowLastPictureButtonAnimation; 1435 a.setDuration(500); 1436 mLastPictureButton.setAnimation(a); 1437 } 1438 1439 if (mShouldTransitionThumbnails) { 1440 mShouldTransitionThumbnails = false; 1441 mThumbnailTransition.startTransition(500); 1442 } 1443 } 1444 1445 private void setViewFinder(int w, int h, boolean startPreview) { 1446 if (mPausing) 1447 return; 1448 1449 if (mPreviewing && 1450 w == mViewFinderWidth && 1451 h == mViewFinderHeight) { 1452 return; 1453 } 1454 1455 if (!ensureCameraDevice()) 1456 return; 1457 1458 if (mSurfaceHolder == null) 1459 return; 1460 1461 if (isFinishing()) 1462 return; 1463 1464 if (mPausing) 1465 return; 1466 1467 // remember view finder size 1468 mViewFinderWidth = w; 1469 mViewFinderHeight = h; 1470 if (mOriginalViewFinderHeight == 0) { 1471 mOriginalViewFinderWidth = w; 1472 mOriginalViewFinderHeight = h; 1473 } 1474 1475 if (startPreview == false) 1476 return; 1477 1478 /* 1479 * start the preview if we're asked to... 1480 */ 1481 1482 // we want to start the preview and we're previewing already, 1483 // stop the preview first (this will blank the screen). 1484 if (mPreviewing) 1485 stopPreview(); 1486 1487 // this blanks the screen if the surface changed, no-op otherwise 1488 try { 1489 mCameraDevice.setPreviewDisplay(mSurfaceHolder); 1490 } catch (IOException exception) { 1491 mCameraDevice.release(); 1492 mCameraDevice = null; 1493 // TODO: add more exception handling logic here 1494 return; 1495 } 1496 1497 // request the preview size, the hardware may not honor it, 1498 // if we depended on it we would have to query the size again 1499 mParameters = mCameraDevice.getParameters(); 1500 mParameters.setPreviewSize(w, h); 1501 try { 1502 mCameraDevice.setParameters(mParameters); 1503 } catch (IllegalArgumentException e) { 1504 // Ignore this error, it happens in the simulator. 1505 } 1506 1507 1508 final long wallTimeStart = SystemClock.elapsedRealtime(); 1509 final long threadTimeStart = Debug.threadCpuTimeNanos(); 1510 1511 final Object watchDogSync = new Object(); 1512 Thread watchDog = new Thread(new Runnable() { 1513 public void run() { 1514 int next_warning = 1; 1515 while (true) { 1516 try { 1517 synchronized (watchDogSync) { 1518 watchDogSync.wait(1000); 1519 } 1520 } catch (InterruptedException ex) { 1521 // 1522 } 1523 if (mPreviewing) 1524 break; 1525 1526 int delay = (int) (SystemClock.elapsedRealtime() - wallTimeStart) / 1000; 1527 if (delay >= next_warning) { 1528 if (delay < 120) { 1529 Log.e(TAG, "preview hasn't started yet in " + delay + " seconds"); 1530 } else { 1531 Log.e(TAG, "preview hasn't started yet in " + (delay / 60) + " minutes"); 1532 } 1533 if (next_warning < 60) { 1534 next_warning <<= 1; 1535 if (next_warning == 16) { 1536 next_warning = 15; 1537 } 1538 } else { 1539 next_warning += 60; 1540 } 1541 } 1542 } 1543 } 1544 }); 1545 1546 watchDog.start(); 1547 1548 if (Config.LOGV) 1549 Log.v(TAG, "calling mCameraDevice.startPreview"); 1550 try { 1551 mCameraDevice.startPreview(); 1552 } catch (Throwable e) { 1553 // TODO: change Throwable to IOException once android.hardware.Camera.startPreview 1554 // properly declares that it throws IOException. 1555 } 1556 mPreviewing = true; 1557 1558 synchronized (watchDogSync) { 1559 watchDogSync.notify(); 1560 } 1561 1562 long threadTimeEnd = Debug.threadCpuTimeNanos(); 1563 long wallTimeEnd = SystemClock.elapsedRealtime(); 1564 if ((wallTimeEnd - wallTimeStart) > 3000) { 1565 Log.w(TAG, "startPreview() to " + (wallTimeEnd - wallTimeStart) + " ms. Thread time was" 1566 + (threadTimeEnd - threadTimeStart) / 1000000 + " ms."); 1567 } 1568 } 1569 1570 private void stopPreview() { 1571 if (mCameraDevice != null && mPreviewing) { 1572 mCameraDevice.stopPreview(); 1573 } 1574 mPreviewing = false; 1575 } 1576 1577 void gotoGallery() { 1578 MenuHelper.gotoCameraImageGallery(this); 1579 } 1580 1581 private void viewLastImage() { 1582 Uri targetUri = mLastPictureUri; 1583 if (targetUri != null && isLastPictureValid()) { 1584 targetUri = targetUri.buildUpon(). 1585 appendQueryParameter("bucketId", ImageManager.CAMERA_IMAGE_BUCKET_ID).build(); 1586 Intent intent = new Intent(Intent.ACTION_VIEW, targetUri); 1587 intent.putExtra(MediaStore.EXTRA_SCREEN_ORIENTATION, 1588 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); 1589 intent.putExtra(MediaStore.EXTRA_FULL_SCREEN, true); 1590 intent.putExtra(MediaStore.EXTRA_SHOW_ACTION_ICONS, true); 1591 intent.putExtra("com.android.camera.ReviewMode", true); 1592 1593 try { 1594 startActivity(intent); 1595 } catch (android.content.ActivityNotFoundException ex) { 1596 // ignore. 1597 } 1598 } else { 1599 Log.e(TAG, "Can't view last image."); 1600 } 1601 } 1602 1603 void keep() { 1604 cancelSavingNotification(); 1605 if (mCaptureObject != null) { 1606 mCaptureObject.dismissFreezeFrame(true); 1607 } 1608 }; 1609 1610 void toss() { 1611 cancelSavingNotification(); 1612 if (mCaptureObject != null) { 1613 mCaptureObject.cancelSave(); 1614 } 1615 }; 1616 1617 private ImageManager.IImage getImageForURI(Uri uri) { 1618 ImageManager.IImageList list = ImageManager.instance().allImages( 1619 this, 1620 mContentResolver, 1621 dataLocation(), 1622 ImageManager.INCLUDE_IMAGES, 1623 ImageManager.SORT_ASCENDING); 1624 ImageManager.IImage image = list.getImageForUri(uri); 1625 list.deactivate(); 1626 return image; 1627 } 1628 1629 1630 private void startReceivingLocationUpdates() { 1631 if (mLocationManager != null) { 1632 try { 1633 mLocationManager.requestLocationUpdates( 1634 LocationManager.NETWORK_PROVIDER, 1635 1000, 1636 0F, 1637 mLocationListeners[1]); 1638 } catch (java.lang.SecurityException ex) { 1639 // ok 1640 } catch (IllegalArgumentException ex) { 1641 if (Config.LOGD) { 1642 Log.d(TAG, "provider does not exist " + ex.getMessage()); 1643 } 1644 } 1645 try { 1646 mLocationManager.requestLocationUpdates( 1647 LocationManager.GPS_PROVIDER, 1648 1000, 1649 0F, 1650 mLocationListeners[0]); 1651 } catch (java.lang.SecurityException ex) { 1652 // ok 1653 } catch (IllegalArgumentException ex) { 1654 if (Config.LOGD) { 1655 Log.d(TAG, "provider does not exist " + ex.getMessage()); 1656 } 1657 } 1658 } 1659 } 1660 1661 private void stopReceivingLocationUpdates() { 1662 if (mLocationManager != null) { 1663 for (int i = 0; i < mLocationListeners.length; i++) { 1664 try { 1665 mLocationManager.removeUpdates(mLocationListeners[i]); 1666 } catch (Exception ex) { 1667 // ok 1668 } 1669 } 1670 } 1671 } 1672 1673 private Location getCurrentLocation() { 1674 Location l = null; 1675 1676 // go in best to worst order 1677 for (int i = 0; i < mLocationListeners.length; i++) { 1678 l = mLocationListeners[i].current(); 1679 if (l != null) 1680 break; 1681 } 1682 1683 return l; 1684 } 1685 1686 @Override 1687 public void onOptionsMenuClosed(Menu menu) { 1688 super.onOptionsMenuClosed(menu); 1689 if (mImageSavingItem && !mMenuSelectionMade) { 1690 // save the image if we presented the "advanced" menu 1691 // which happens if "menu" is pressed while in 1692 // SNAPSHOT_IN_PROGRESS or SNAPSHOT_COMPLETED modes 1693 keep(); 1694 mHandler.sendEmptyMessage(RESTART_PREVIEW); 1695 } 1696 } 1697 1698 @Override 1699 public boolean onMenuOpened(int featureId, Menu menu) { 1700 if (featureId == Window.FEATURE_OPTIONS_PANEL) { 1701 if (mStatus == SNAPSHOT_IN_PROGRESS) { 1702 cancelAutomaticPreviewRestart(); 1703 mMenuSelectionMade = false; 1704 } 1705 } 1706 return super.onMenuOpened(featureId, menu); 1707 } 1708 1709 @Override 1710 public boolean onPrepareOptionsMenu(Menu menu) { 1711 super.onPrepareOptionsMenu(menu); 1712 1713 mMenuSelectionMade = false; 1714 1715 for (int i = 1; i <= MenuHelper.MENU_ITEM_MAX; i++) { 1716 if (i != MenuHelper.GENERIC_ITEM) { 1717 menu.setGroupVisible(i, false); 1718 } 1719 } 1720 1721 if (mStatus == SNAPSHOT_IN_PROGRESS || mStatus == SNAPSHOT_COMPLETED) { 1722 menu.setGroupVisible(MenuHelper.IMAGE_SAVING_ITEM, true); 1723 mImageSavingItem = true; 1724 } else { 1725 menu.setGroupVisible(MenuHelper.IMAGE_MODE_ITEM, true); 1726 mImageSavingItem = false; 1727 } 1728 1729 if (mCaptureObject != null) 1730 mCaptureObject.cancelAutoDismiss(); 1731 1732 return true; 1733 } 1734 1735 private void cancelAutomaticPreviewRestart() { 1736 mKeepAndRestartPreview = false; 1737 mHandler.removeMessages(RESTART_PREVIEW); 1738 } 1739 1740 private boolean isImageCaptureIntent() { 1741 String action = getIntent().getAction(); 1742 return (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)); 1743 } 1744 1745 private void showPostCaptureAlert() { 1746 if (isImageCaptureIntent()) { 1747 mPostCaptureAlert.setVisibility(View.VISIBLE); 1748 int[] pickIds = {R.id.attach, R.id.cancel}; 1749 for(int id : pickIds) { 1750 View view = mPostCaptureAlert.findViewById(id); 1751 view.setOnClickListener(this); 1752 Animation animation = new AlphaAnimation(0F, 1F); 1753 animation.setDuration(500); 1754 view.setAnimation(animation); 1755 } 1756 } 1757 } 1758 1759 private void hidePostCaptureAlert() { 1760 if (isImageCaptureIntent()) { 1761 mPostCaptureAlert.setVisibility(View.INVISIBLE); 1762 } 1763 } 1764 1765 @Override 1766 public boolean onCreateOptionsMenu(Menu menu) { 1767 super.onCreateOptionsMenu(menu); 1768 1769 if (isImageCaptureIntent()) { 1770 // No options menu for attach mode. 1771 return false; 1772 } else { 1773 addBaseMenuItems(menu); 1774 MenuHelper.addImageMenuItems( 1775 menu, 1776 MenuHelper.INCLUDE_ALL & ~MenuHelper.INCLUDE_ROTATE_MENU, 1777 true, 1778 Camera.this, 1779 mHandler, 1780 1781 // Handler for deletion 1782 new Runnable() { 1783 public void run() { 1784 if (mCaptureObject != null) { 1785 mCaptureObject.cancelSave(); 1786 Uri uri = mCaptureObject.getLastCaptureUri(); 1787 if (uri != null) { 1788 mContentResolver.delete(uri, null, null); 1789 } 1790 } 1791 } 1792 }, 1793 new MenuHelper.MenuInvoker() { 1794 public void run(final MenuHelper.MenuCallback cb) { 1795 mMenuSelectionMade = true; 1796 postAfterKeep(new Runnable() { 1797 public void run() { 1798 cb.run(mSelectedImageGetter.getCurrentImageUri(), mSelectedImageGetter.getCurrentImage()); 1799 if (mCaptureObject != null) 1800 mCaptureObject.dismissFreezeFrame(true); 1801 } 1802 }); 1803 } 1804 }); 1805 1806 MenuItem gallery = menu.add(MenuHelper.IMAGE_SAVING_ITEM, MENU_SAVE_GALLERY_PHOTO, 0, R.string.camera_gallery_photos_text).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { 1807 public boolean onMenuItemClick(MenuItem item) { 1808 postAfterKeep(new Runnable() { 1809 public void run() { 1810 gotoGallery(); 1811 } 1812 }); 1813 return true; 1814 } 1815 }); 1816 gallery.setIcon(android.R.drawable.ic_menu_gallery); 1817 } 1818 return true; 1819 } 1820 1821 SelectedImageGetter mSelectedImageGetter = 1822 new SelectedImageGetter() { 1823 public ImageManager.IImage getCurrentImage() { 1824 return getImageForURI(getCurrentImageUri()); 1825 } 1826 public Uri getCurrentImageUri() { 1827 keep(); 1828 return mCaptureObject.getLastCaptureUri(); 1829 } 1830 }; 1831 1832 private int calculatePicturesRemaining() { 1833 mPicturesRemaining = MenuHelper.calculatePicturesRemaining(); 1834 return mPicturesRemaining; 1835 } 1836 1837 private void addBaseMenuItems(Menu menu) { 1838 MenuHelper.addSwitchModeMenuItem(menu, this, true); 1839 { 1840 MenuItem gallery = menu.add(MenuHelper.IMAGE_MODE_ITEM, MENU_GALLERY_PHOTOS, 0, R.string.camera_gallery_photos_text).setOnMenuItemClickListener(new OnMenuItemClickListener() { 1841 public boolean onMenuItemClick(MenuItem item) { 1842 gotoGallery(); 1843 return true; 1844 } 1845 }); 1846 gallery.setIcon(android.R.drawable.ic_menu_gallery); 1847 mGalleryItems.add(gallery); 1848 } 1849 { 1850 MenuItem gallery = menu.add(MenuHelper.VIDEO_MODE_ITEM, MENU_GALLERY_VIDEOS, 0, R.string.camera_gallery_photos_text).setOnMenuItemClickListener(new OnMenuItemClickListener() { 1851 public boolean onMenuItemClick(MenuItem item) { 1852 gotoGallery(); 1853 return true; 1854 } 1855 }); 1856 gallery.setIcon(android.R.drawable.ic_menu_gallery); 1857 mGalleryItems.add(gallery); 1858 } 1859 1860 MenuItem item = menu.add(MenuHelper.GENERIC_ITEM, MENU_SETTINGS, 0, R.string.settings).setOnMenuItemClickListener(new OnMenuItemClickListener() { 1861 public boolean onMenuItemClick(MenuItem item) { 1862 Intent intent = new Intent(); 1863 intent.setClass(Camera.this, CameraSettings.class); 1864 startActivity(intent); 1865 return true; 1866 } 1867 }); 1868 item.setIcon(android.R.drawable.ic_menu_preferences); 1869 } 1870} 1871 1872