Camera.java revision 5055ba62e22becc9c8d03898b80cda8ed68cfe80
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.File; 20import java.io.FileNotFoundException; 21import java.io.FileOutputStream; 22import java.io.IOException; 23import java.io.OutputStream; 24import java.util.ArrayList; 25 26import android.app.Activity; 27import android.app.ProgressDialog; 28import android.content.BroadcastReceiver; 29import android.content.ContentResolver; 30import android.content.Context; 31import android.content.Intent; 32import android.content.IntentFilter; 33import android.content.SharedPreferences; 34import android.content.pm.ActivityInfo; 35import android.content.res.AssetFileDescriptor; 36import android.content.res.Resources; 37import android.database.Cursor; 38import android.graphics.Bitmap; 39import android.graphics.BitmapFactory; 40import android.graphics.Matrix; 41import android.graphics.drawable.BitmapDrawable; 42import android.graphics.drawable.ColorDrawable; 43import android.graphics.drawable.Drawable; 44import android.graphics.drawable.LayerDrawable; 45import android.graphics.drawable.TransitionDrawable; 46import android.hardware.Camera.PictureCallback; 47import android.hardware.Camera.Size; 48import android.location.Location; 49import android.location.LocationManager; 50import android.location.LocationProvider; 51import android.media.AudioManager; 52import android.media.MediaPlayer; 53import android.media.ToneGenerator; 54import android.net.Uri; 55import android.os.Bundle; 56import android.os.Debug; 57import android.os.Environment; 58import android.os.Handler; 59import android.os.Message; 60import android.os.StatFs; 61import android.os.SystemClock; 62import android.preference.PreferenceManager; 63import android.provider.MediaStore; 64import android.provider.MediaStore.Images; 65import android.text.format.DateFormat; 66import android.util.Config; 67import android.util.Log; 68import android.view.KeyEvent; 69import android.view.Menu; 70import android.view.MenuItem; 71import android.view.OrientationListener; 72import android.view.SurfaceHolder; 73import android.view.View; 74import android.view.Window; 75import android.view.WindowManager; 76import android.view.MenuItem.OnMenuItemClickListener; 77import android.view.ViewGroup.LayoutParams; 78import android.view.animation.AlphaAnimation; 79import android.view.animation.Animation; 80import android.view.animation.AnimationUtils; 81import android.widget.ImageView; 82import android.widget.Toast; 83 84import com.android.camera.ImageManager.IImageList; 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 private static final boolean DEBUG_FAKE_GPS_LOCATION = DEBUG && false; 94 95 private static final int CROP_MSG = 1; 96 private static final int KEEP = 2; 97 private static final int RESTART_PREVIEW = 3; 98 private static final int CLEAR_SCREEN_DELAY = 4; 99 100 private static final int SCREEN_DELAY = 2 * 60 * 1000; 101 private static final int FOCUS_BEEP_VOLUME = 100; 102 103 public static final int MENU_SWITCH_TO_VIDEO = 0; 104 public static final int MENU_SWITCH_TO_CAMERA = 1; 105 public static final int MENU_FLASH_SETTING = 2; 106 public static final int MENU_FLASH_AUTO = 3; 107 public static final int MENU_FLASH_ON = 4; 108 public static final int MENU_FLASH_OFF = 5; 109 public static final int MENU_SETTINGS = 6; 110 public static final int MENU_GALLERY_PHOTOS = 7; 111 public static final int MENU_GALLERY_VIDEOS = 8; 112 public static final int MENU_SAVE_SELECT_PHOTOS = 30; 113 public static final int MENU_SAVE_NEW_PHOTO = 31; 114 public static final int MENU_SAVE_GALLERY_PHOTO = 34; 115 public static final int MENU_SAVE_GALLERY_VIDEO_PHOTO = 35; 116 public static final int MENU_SAVE_CAMERA_DONE = 36; 117 public static final int MENU_SAVE_CAMERA_VIDEO_DONE = 37; 118 119 private Toast mToast; 120 private OrientationListener mOrientationListener; 121 private int mLastOrientation = OrientationListener.ORIENTATION_UNKNOWN; 122 private SharedPreferences mPreferences; 123 124 private static final int IDLE = 1; 125 private static final int SNAPSHOT_IN_PROGRESS = 2; 126 private static final int SNAPSHOT_COMPLETED = 3; 127 128 private int mStatus = IDLE; 129 private static final String sTempCropFilename = "crop-temp"; 130 131 private android.hardware.Camera mCameraDevice; 132 private android.hardware.Camera.Parameters mParameters; 133 private VideoPreview mSurfaceView; 134 private SurfaceHolder mSurfaceHolder = null; 135 private ImageView mBlackout = null; 136 137 private int mOriginalViewFinderWidth, mOriginalViewFinderHeight; 138 private int mViewFinderWidth, mViewFinderHeight; 139 private boolean mPreviewing = false; 140 141 private MediaPlayer mClickSound; 142 143 private Capturer mCaptureObject; 144 private ImageCapture mImageCapture = null; 145 146 private boolean mPausing = false; 147 148 private boolean mIsFocusing = false; 149 private boolean mIsFocused = false; 150 private boolean mIsFocusButtonPressed = false; 151 private boolean mCaptureOnFocus = false; 152 153 private static ContentResolver mContentResolver; 154 private boolean mDidRegister = false; 155 156 private ArrayList<MenuItem> mGalleryItems = new ArrayList<MenuItem>(); 157 158 private boolean mMenuSelectionMade; 159 160 private ImageView mLastPictureButton; 161 private LayerDrawable mVignette; 162 private Animation mShowLastPictureButtonAnimation = new AlphaAnimation(0F, 1F); 163 private boolean mShouldShowLastPictureButton; 164 private TransitionDrawable mThumbnailTransition; 165 private Drawable[] mThumbnails; 166 private boolean mShouldTransitionThumbnails; 167 private Uri mLastPictureUri; 168 private LocationManager mLocationManager = null; 169 170 private ShutterButton mShutterButton; 171 172 private Animation mFocusBlinkAnimation; 173 private View mFocusIndicator; 174 private ToneGenerator mFocusToneGenerator; 175 176 177 private ShutterCallback mShutterCallback = new ShutterCallback(); 178 private RawPictureCallback mRawPictureCallback = new RawPictureCallback(); 179 private AutoFocusCallback mAutoFocusCallback = new AutoFocusCallback(); 180 private long mShutterPressTime; 181 private int mPicturesRemaining; 182 183 private boolean mKeepAndRestartPreview; 184 185 private View mPostCaptureAlert; 186 187 188 private Handler mHandler = new MainHandler(); 189 private ProgressDialog mSavingProgress; 190 191 private interface Capturer { 192 Uri getLastCaptureUri(); 193 void onSnap(); 194 void dismissFreezeFrame(boolean keep); 195 void cancelSave(); 196 void cancelAutoDismiss(); 197 void setDone(boolean wait); 198 } 199 200 private void cancelSavingNotification() { 201 if (mToast != null) { 202 mToast.cancel(); 203 mToast = null; 204 } 205 } 206 207 /** This Handler is used to post message back onto the main thread of the application */ 208 private class MainHandler extends Handler { 209 @Override 210 public void handleMessage(Message msg) { 211 switch (msg.what) { 212 case KEEP: { 213 keep(); 214 if (mSavingProgress != null) { 215 mSavingProgress.cancel(); 216 mSavingProgress = null; 217 } 218 219 mKeepAndRestartPreview = true; 220 221 if (msg.obj != null) { 222 mHandler.post((Runnable)msg.obj); 223 } 224 break; 225 } 226 227 case RESTART_PREVIEW: { 228 if (mStatus == SNAPSHOT_IN_PROGRESS) { 229 // We are still in the processing of taking the picture, wait. 230 // This is is strange. Why are we polling? 231 // TODO remove polling 232 mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, 100); 233 } else if (mStatus == SNAPSHOT_COMPLETED){ 234 mCaptureObject.dismissFreezeFrame(true); 235 hidePostCaptureAlert(); 236 } 237 break; 238 } 239 240 case CLEAR_SCREEN_DELAY: { 241 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 242 break; 243 } 244 } 245 } 246 }; 247 248 LocationListener [] mLocationListeners = new LocationListener[] { 249 new LocationListener(LocationManager.GPS_PROVIDER), 250 new LocationListener(LocationManager.NETWORK_PROVIDER) 251 }; 252 253 254 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 255 @Override 256 public void onReceive(Context context, Intent intent) { 257 String action = intent.getAction(); 258 if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) { 259 // SD card available 260 // TODO put up a "please wait" message 261 // TODO also listen for the media scanner finished message 262 showStorageToast(); 263 } else if (action.equals(Intent.ACTION_MEDIA_UNMOUNTED) || 264 action.equals(Intent.ACTION_MEDIA_CHECKING)) { 265 // SD card unavailable 266 mPicturesRemaining = MenuHelper.NO_STORAGE_ERROR; 267 showStorageToast(mPicturesRemaining); 268 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) { 269 Toast.makeText(Camera.this, getResources().getString(R.string.wait), 5000); 270 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) { 271 showStorageToast(); 272 } 273 } 274 }; 275 276 private class LocationListener implements android.location.LocationListener { 277 Location mLastLocation; 278 boolean mValid = false; 279 String mProvider; 280 281 public LocationListener(String provider) { 282 mProvider = provider; 283 mLastLocation = new Location(mProvider); 284 } 285 286 public void onLocationChanged(Location newLocation) { 287 if (newLocation.getLatitude() == 0.0 && newLocation.getLongitude() == 0.0) { 288 // Hack to filter out 0.0,0.0 locations 289 return; 290 } 291 mLastLocation.set(newLocation); 292 mValid = true; 293 } 294 295 public void onProviderEnabled(String provider) { 296 } 297 298 public void onProviderDisabled(String provider) { 299 mValid = false; 300 } 301 302 public void onStatusChanged(String provider, int status, Bundle extras) { 303 if (status == LocationProvider.OUT_OF_SERVICE) { 304 mValid = false; 305 } 306 } 307 308 public Location current() { 309 return mValid ? mLastLocation : null; 310 } 311 }; 312 313 private long mRawPictureCallbackTime; 314 315 private boolean mImageSavingItem = false; 316 317 private final class ShutterCallback implements android.hardware.Camera.ShutterCallback { 318 public void onShutter() { 319 if (DEBUG_TIME_OPERATIONS) { 320 long now = System.currentTimeMillis(); 321 Log.v(TAG, "********** Total shutter lag " + (now - mShutterPressTime) + " ms"); 322 } 323 if (mClickSound != null) { 324 mClickSound.seekTo(0); 325 mClickSound.start(); 326 } 327 } 328 }; 329 330 private final class RawPictureCallback implements PictureCallback { 331 public void onPictureTaken(byte [] rawData, android.hardware.Camera camera) { 332 if (Config.LOGV) 333 Log.v(TAG, "got RawPictureCallback..."); 334 mRawPictureCallbackTime = System.currentTimeMillis(); 335 mBlackout.setVisibility(View.GONE); 336 } 337 }; 338 339 private final class JpegPictureCallback implements PictureCallback { 340 Location mLocation; 341 342 public JpegPictureCallback(Location loc) { 343 mLocation = loc; 344 } 345 346 public void onPictureTaken(byte [] jpegData, android.hardware.Camera camera) { 347 if (Config.LOGV) 348 Log.v(TAG, "got JpegPictureCallback..."); 349 350 mImageCapture.storeImage(jpegData, camera, mLocation); 351 352 mStatus = SNAPSHOT_COMPLETED; 353 354 if (mKeepAndRestartPreview) { 355 long delay = 1500 - (System.currentTimeMillis() - mRawPictureCallbackTime); 356 mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, Math.max(delay, 0)); 357 } 358 } 359 }; 360 361 private final class AutoFocusCallback implements android.hardware.Camera.AutoFocusCallback { 362 public void onAutoFocus(boolean focused, android.hardware.Camera camera) { 363 mIsFocusing = false; 364 mIsFocused = focused; 365 if (focused) { 366 if (mCaptureOnFocus && mCaptureObject != null) { 367 // No need to play the AF sound if we're about to play the shutter sound 368 mCaptureObject.onSnap(); 369 clearFocus(); 370 } else { 371 ToneGenerator tg = mFocusToneGenerator; 372 if (tg != null) 373 tg.startTone(ToneGenerator.TONE_PROP_BEEP2); 374 } 375 mCaptureOnFocus = false; 376 } 377 updateFocusIndicator(); 378 } 379 }; 380 381 private class ImageCapture implements Capturer { 382 383 private boolean mCancel = false; 384 private boolean mCapturing = false; 385 386 private Uri mLastContentUri; 387 private ImageManager.IAddImage_cancelable mAddImageCancelable; 388 389 Bitmap mCaptureOnlyBitmap; 390 391 /** These member variables are used for various debug timings */ 392 private long mThreadTimeStart; 393 private long mThreadTimeEnd; 394 private long mWallTimeStart; 395 private long mWallTimeEnd; 396 397 398 public ImageCapture() { 399 } 400 401 /** 402 * This method sets whether or not we are capturing a picture. This method must be called 403 * with the ImageCapture.this lock held. 404 */ 405 public void setCapturingLocked(boolean capturing) { 406 mCapturing = capturing; 407 } 408 409 /* 410 * Tell the ImageCapture thread to exit when possible. 411 */ 412 public void setDone(boolean wait) { 413 } 414 415 /* 416 * Tell the image capture thread to not "dismiss" the current 417 * capture when the current image is stored, etc. 418 */ 419 public void cancelAutoDismiss() { 420 } 421 422 public void dismissFreezeFrame(boolean keep) { 423 if (keep) { 424 cancelSavingNotification(); 425 } else { 426 Toast.makeText(Camera.this, R.string.camera_tossing, Toast.LENGTH_SHORT).show(); 427 } 428 429 if (mStatus == SNAPSHOT_IN_PROGRESS) { 430 // If we are still in the process of taking a picture, then just post a message. 431 mHandler.sendEmptyMessage(RESTART_PREVIEW); 432 } else { 433 restartPreview(); 434 } 435 } 436 437 private void startTiming() { 438 mWallTimeStart = SystemClock.elapsedRealtime(); 439 mThreadTimeStart = Debug.threadCpuTimeNanos(); 440 } 441 442 private void stopTiming() { 443 mThreadTimeEnd = Debug.threadCpuTimeNanos(); 444 mWallTimeEnd = SystemClock.elapsedRealtime(); 445 } 446 447 private void storeImage(byte[] data, Location loc) { 448 try { 449 if (DEBUG_TIME_OPERATIONS) { 450 startTiming(); 451 } 452 long dateTaken = System.currentTimeMillis(); 453 mLastContentUri = ImageManager.instance().addImage( 454 Camera.this, 455 mContentResolver, 456 createName(dateTaken), 457 "", 458 dateTaken, 459 // location for the database goes here 460 loc, 461 0, // the dsp will use the right orientation so don't "double set it" 462 ImageManager.CAMERA_IMAGE_BUCKET_NAME, 463 null); 464 465 if (mLastContentUri == null) { 466 // this means we got an error 467 mCancel = true; 468 } 469 if (!mCancel) { 470 mAddImageCancelable = ImageManager.instance().storeImage(mLastContentUri, 471 Camera.this, mContentResolver, 0, null, data); 472 mAddImageCancelable.get(); 473 mAddImageCancelable = null; 474 } 475 476 if (DEBUG_TIME_OPERATIONS) { 477 stopTiming(); 478 Log.d(TAG, "Storing image took " + (mWallTimeEnd - mWallTimeStart) + " ms. " + 479 "Thread time was " + ((mThreadTimeEnd - mThreadTimeStart) / 1000000) + 480 " ms."); 481 } 482 } catch (Exception ex) { 483 Log.e(TAG, "Exception while compressing image.", ex); 484 } 485 } 486 487 public void storeImage(byte[] data, android.hardware.Camera camera, Location loc) { 488 boolean captureOnly = isImageCaptureIntent(); 489 490 if (!captureOnly) { 491 storeImage(data, loc); 492 sendBroadcast(new Intent("com.android.camera.NEW_PICTURE", mLastContentUri)); 493 setLastPictureThumb(data, mCaptureObject.getLastCaptureUri()); 494 dismissFreezeFrame(true); 495 } else { 496 BitmapFactory.Options options = new BitmapFactory.Options(); 497 options.inSampleSize = 4; 498 499 if (DEBUG_TIME_OPERATIONS) { 500 startTiming(); 501 } 502 503 mCaptureOnlyBitmap = BitmapFactory.decodeByteArray(data, 0, data.length, options); 504 505 if (DEBUG_TIME_OPERATIONS) { 506 stopTiming(); 507 Log.d(TAG, "Decoded mCaptureOnly bitmap (" + mCaptureOnlyBitmap.getWidth() + 508 "x" + mCaptureOnlyBitmap.getHeight() + " ) in " + 509 (mWallTimeEnd - mWallTimeStart) + " ms. Thread time was " + 510 ((mThreadTimeEnd - mThreadTimeStart) / 1000000) + " ms."); 511 } 512 513 showPostCaptureAlert(); 514 cancelAutomaticPreviewRestart(); 515 } 516 517 mCapturing = false; 518 if (mPausing) { 519 closeCamera(); 520 } 521 } 522 523 /* 524 * Tells the image capture thread to abort the capture of the 525 * current image. 526 */ 527 public void cancelSave() { 528 if (!mCapturing) { 529 return; 530 } 531 532 mCancel = true; 533 534 if (mAddImageCancelable != null) { 535 mAddImageCancelable.cancel(); 536 } 537 dismissFreezeFrame(false); 538 } 539 540 /* 541 * Initiate the capture of an image. 542 */ 543 public void initiate(boolean captureOnly) { 544 if (mCameraDevice == null) { 545 return; 546 } 547 548 mCancel = false; 549 mCapturing = true; 550 551 capture(captureOnly); 552 } 553 554 public Uri getLastCaptureUri() { 555 return mLastContentUri; 556 } 557 558 public Bitmap getLastBitmap() { 559 return mCaptureOnlyBitmap; 560 } 561 562 private void capture(boolean captureOnly) { 563 mPreviewing = false; 564 mCaptureOnlyBitmap = null; 565 566 final int latchedOrientation = ImageManager.roundOrientation(mLastOrientation + 90); 567 568 Boolean recordLocation = mPreferences.getBoolean("pref_camera_recordlocation_key", false); 569 Location loc = recordLocation ? getCurrentLocation() : null; 570 // Quality 75 has visible artifacts, and quality 90 looks great but the files begin to 571 // get large. 85 is a good compromise between the two. 572 mParameters.set("jpeg-quality", 85); 573 mParameters.set("rotation", latchedOrientation); 574 575 mParameters.remove("gps-latitude"); 576 mParameters.remove("gps-longitude"); 577 mParameters.remove("gps-altitude"); 578 mParameters.remove("gps-timestamp"); 579 580 if (DEBUG_FAKE_GPS_LOCATION) { 581 // Google London office, having trouble encoding longitude 582 583 if (false) { 584 // This fails: 585 mParameters.set("gps-latitude", "51.49473309516907"); 586 mParameters.set("gps-longitude", "-0.14598190784454346"); 587 mParameters.set("gps-altitude", "71.0"); // meters 588 mParameters.set("gps-timestamp", "1233744883"); 589 } else { 590 // This works OK: 591 mParameters.set("gps-latitude", "51.49473309516907"); 592 mParameters.set("gps-longitude", "-1.0"); 593 mParameters.set("gps-altitude", "71.0"); // meters 594 mParameters.set("gps-timestamp", "1233744883"); 595 } 596 } else if (loc != null) { 597 double lat = loc.getLatitude(); 598 double lon = loc.getLongitude(); 599 boolean hasLatLon = (lat != 0.0d) || (lon != 0.0d); 600 601 if (hasLatLon) { 602 String latString = String.valueOf(lat); 603 String lonString = String.valueOf(lon); 604 mParameters.set("gps-latitude", latString); 605 mParameters.set("gps-longitude", lonString); 606 if (loc.hasAltitude()) 607 mParameters.set("gps-altitude", String.valueOf(loc.getAltitude())); 608 if (loc.getTime() != 0) { 609 // Location.getTime() is UTC in milliseconds. 610 // gps-timestamp is UTC in seconds. 611 long utcTimeSeconds = loc.getTime() / 1000; 612 mParameters.set("gps-timestamp", String.valueOf(utcTimeSeconds)); 613 } 614 } else { 615 loc = null; 616 } 617 } 618 619 620 Size pictureSize = mParameters.getPictureSize(); 621 622 // resize the SurfaceView to the aspect-ratio of the still image 623 // and so that we can see the full image that was taken 624 mSurfaceView.setAspectRatio(pictureSize.width, pictureSize.height); 625 626 mCameraDevice.setParameters(mParameters); 627 628 mCameraDevice.takePicture(mShutterCallback, mRawPictureCallback, new JpegPictureCallback(loc)); 629 630 mBlackout.setVisibility(View.VISIBLE); 631 // Comment this out for now until we can decode the preview frame. This currently 632 // just animates black-on-black because the surface flinger blacks out the surface 633 // when the camera driver detaches the buffers. 634 if (false) { 635 Animation a = new android.view.animation.TranslateAnimation(mBlackout.getWidth(), 0 , 0, 0); 636 a.setDuration(450); 637 a.startNow(); 638 mBlackout.setAnimation(a); 639 } 640 } 641 642 public void onSnap() { 643 // If we are already in the middle of taking a snapshot then we should just save 644 // the image after we have returned from the camera service. 645 if (mStatus == SNAPSHOT_IN_PROGRESS || mStatus == SNAPSHOT_COMPLETED) { 646 mKeepAndRestartPreview = true; 647 mHandler.sendEmptyMessage(RESTART_PREVIEW); 648 return; 649 } 650 651 // Don't check the filesystem here, we can't afford the latency. Instead, check the 652 // cached value which was calculated when the preview was restarted. 653 if (DEBUG_TIME_OPERATIONS) mShutterPressTime = System.currentTimeMillis(); 654 if (mPicturesRemaining < 1) { 655 showStorageToast(mPicturesRemaining); 656 return; 657 } 658 659 mStatus = SNAPSHOT_IN_PROGRESS; 660 661 mKeepAndRestartPreview = true; 662 663 boolean getContentAction = isImageCaptureIntent(); 664 if (getContentAction) { 665 mImageCapture.initiate(true); 666 } else { 667 mImageCapture.initiate(false); 668 } 669 } 670 } 671 672 private void setLastPictureThumb(byte[] data, Uri uri) { 673 BitmapFactory.Options options = new BitmapFactory.Options(); 674 options.inSampleSize = 16; 675 676 Bitmap lastPictureThumb = BitmapFactory.decodeByteArray(data, 0, data.length, options); 677 678 setLastPictureThumb(lastPictureThumb, uri); 679 } 680 681 private void setLastPictureThumb(Bitmap lastPictureThumb, Uri uri) { 682 683 final int PADDING_WIDTH = 2; 684 final int PADDING_HEIGHT = 2; 685 LayoutParams layoutParams = mLastPictureButton.getLayoutParams(); 686 // Make the mini-thumbnail size smaller than the button size so that the image corners 687 // don't peek out from the rounded corners of the frame_thumbnail graphic: 688 final int miniThumbWidth = layoutParams.width - 2 * PADDING_WIDTH; 689 final int miniThumbHeight = layoutParams.height - 2 * PADDING_HEIGHT; 690 691 lastPictureThumb = ImageManager.extractMiniThumb(lastPictureThumb, 692 miniThumbWidth, miniThumbHeight); 693 694 Drawable[] vignetteLayers = new Drawable[2]; 695 vignetteLayers[1] = getResources().getDrawable(R.drawable.frame_thumbnail); 696 if (mThumbnails == null) { 697 mThumbnails = new Drawable[2]; 698 mThumbnails[1] = new BitmapDrawable(lastPictureThumb); 699 vignetteLayers[0] = mThumbnails[1]; 700 } else { 701 mThumbnails[0] = mThumbnails[1]; 702 mThumbnails[1] = new BitmapDrawable(lastPictureThumb); 703 mThumbnailTransition = new TransitionDrawable(mThumbnails); 704 mShouldTransitionThumbnails = true; 705 vignetteLayers[0] = mThumbnailTransition; 706 } 707 708 mVignette = new LayerDrawable(vignetteLayers); 709 mVignette.setLayerInset(0, PADDING_WIDTH, PADDING_HEIGHT, 710 PADDING_WIDTH, PADDING_HEIGHT); 711 mLastPictureButton.setImageDrawable(mVignette); 712 713 if (mLastPictureButton.getVisibility() != View.VISIBLE) { 714 mShouldShowLastPictureButton = true; 715 } 716 mLastPictureUri = uri; 717 } 718 719 static private String createName(long dateTaken) { 720 return DateFormat.format("yyyy-MM-dd kk.mm.ss", dateTaken).toString(); 721 } 722 723 static public Matrix GetDisplayMatrix(Bitmap b, ImageView v) { 724 Matrix m = new Matrix(); 725 float bw = (float)b.getWidth(); 726 float bh = (float)b.getHeight(); 727 float vw = (float)v.getWidth(); 728 float vh = (float)v.getHeight(); 729 float scale, x, y; 730 if (bw*vh > vw*bh) { 731 scale = vh / bh; 732 x = (vw - scale*bw)*0.5F; 733 y = 0; 734 } else { 735 scale = vw / bw; 736 x = 0; 737 y = (vh - scale*bh)*0.5F; 738 } 739 m.setScale(scale, scale, 0.5F, 0.5F); 740 m.postTranslate(x, y); 741 return m; 742 } 743 744 private void postAfterKeep(final Runnable r) { 745 Resources res = getResources(); 746 747 if (mSavingProgress != null) { 748 mSavingProgress = ProgressDialog.show(this, res.getString(R.string.savingImage), 749 res.getString(R.string.wait)); 750 } 751 752 Message msg = mHandler.obtainMessage(KEEP); 753 msg.obj = r; 754 msg.sendToTarget(); 755 } 756 757 /** Called with the activity is first created. */ 758 @Override 759 public void onCreate(Bundle icicle) { 760 super.onCreate(icicle); 761 762 // To reduce startup time, we run some service creation code in another thread. 763 // We make sure the services are loaded at the end of onCreate(). 764 Thread loadServiceThread = new Thread(new Runnable() { 765 public void run() { 766 mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); 767 mOrientationListener = new OrientationListener(Camera.this) { 768 public void onOrientationChanged(int orientation) { 769 mLastOrientation = orientation; 770 } 771 }; 772 } 773 }); 774 loadServiceThread.start(); 775 776 mPreferences = PreferenceManager.getDefaultSharedPreferences(this); 777 mContentResolver = getContentResolver(); 778 779 //setDefaultKeyMode(DEFAULT_KEYS_SHORTCUT); 780 requestWindowFeature(Window.FEATURE_PROGRESS); 781 782 Window win = getWindow(); 783 win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 784 setContentView(R.layout.camera); 785 786 mSurfaceView = (VideoPreview) findViewById(R.id.camera_preview); 787 788 // don't set mSurfaceHolder here. We have it set ONLY within 789 // surfaceCreated / surfaceDestroyed, other parts of the code 790 // assume that when it is set, the surface is also set. 791 SurfaceHolder holder = mSurfaceView.getHolder(); 792 holder.addCallback(this); 793 holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); 794 795 mBlackout = (ImageView) findViewById(R.id.blackout); 796 mBlackout.setBackgroundDrawable(new ColorDrawable(0xFF000000)); 797 798 mLastPictureButton = (ImageView) findViewById(R.id.last_picture_button); 799 if (!isImageCaptureIntent()) { 800 ImageManager.IImageList images = ImageManager.instance().allImages( 801 this, 802 getContentResolver(), 803 ImageManager.DataLocation.ALL, 804 ImageManager.INCLUDE_IMAGES, 805 ImageManager.SORT_DESCENDING, 806 ImageManager.CAMERA_IMAGE_BUCKET_ID); 807 ImageManager.IImage lastPicture = 808 images.isEmpty() ? null : images.getImageAt(0); 809 mLastPictureButton.setOnClickListener(this); 810 if (lastPicture == null) { 811 mLastPictureButton.setVisibility(View.GONE); 812 } else { 813 Bitmap miniThumb = lastPicture.miniThumbBitmap(); 814 setLastPictureThumb(miniThumb, lastPicture.fullSizeImageUri()); 815 } 816 images.deactivate(); 817 } 818 819 mShutterButton = (ShutterButton) findViewById(R.id.shutter_button); 820 mShutterButton.setOnShutterButtonListener(this); 821 822 try { 823 mClickSound = new MediaPlayer(); 824 AssetFileDescriptor afd = getResources().openRawResourceFd(R.raw.camera_click); 825 826 mClickSound.setDataSource(afd.getFileDescriptor(), 827 afd.getStartOffset(), 828 afd.getLength()); 829 830 if (mClickSound != null) { 831 mClickSound.setAudioStreamType(AudioManager.STREAM_ALARM); 832 mClickSound.prepare(); 833 } 834 } catch (Exception ex) { 835 Log.w(TAG, "Couldn't create click sound", ex); 836 } 837 838 mFocusIndicator = findViewById(R.id.focus_indicator); 839 mFocusBlinkAnimation = AnimationUtils.loadAnimation(this, R.anim.auto_focus_blink); 840 mFocusBlinkAnimation.setRepeatCount(Animation.INFINITE); 841 mFocusBlinkAnimation.setRepeatMode(Animation.REVERSE); 842 843 mPostCaptureAlert = findViewById(R.id.post_picture_panel); 844 845 // Make sure the services are loaded. 846 try { 847 loadServiceThread.join(); 848 } catch (InterruptedException ex) { 849 } 850 } 851 852 @Override 853 public void onStart() { 854 super.onStart(); 855 856 Thread t = new Thread(new Runnable() { 857 public void run() { 858 final boolean storageOK = calculatePicturesRemaining() > 0; 859 860 if (!storageOK) { 861 mHandler.post(new Runnable() { 862 public void run() { 863 showStorageToast(mPicturesRemaining); 864 } 865 }); 866 } 867 } 868 }); 869 t.start(); 870 } 871 872 public void onClick(View v) { 873 switch (v.getId()) { 874 case R.id.last_picture_button: 875 viewLastImage(); 876 break; 877 case R.id.attach: 878 doAttach(); 879 break; 880 case R.id.cancel: 881 doCancel(); 882 } 883 } 884 885 private void doAttach() { 886 Bitmap bitmap = mImageCapture.getLastBitmap(); 887 mCaptureObject.setDone(true); 888 889 String cropValue = null; 890 Uri saveUri = null; 891 892 Bundle myExtras = getIntent().getExtras(); 893 if (myExtras != null) { 894 saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 895 cropValue = myExtras.getString("crop"); 896 } 897 898 899 if (cropValue == null) { 900 /* 901 * First handle the no crop case -- just return the value. If the caller 902 * specifies a "save uri" then write the data to it's stream. Otherwise, 903 * pass back a scaled down version of the bitmap directly in the extras. 904 */ 905 if (saveUri != null) { 906 OutputStream outputStream = null; 907 try { 908 outputStream = mContentResolver.openOutputStream(saveUri); 909 bitmap.compress(Bitmap.CompressFormat.JPEG, 75, outputStream); 910 outputStream.close(); 911 912 setResult(RESULT_OK); 913 finish(); 914 } catch (IOException ex) { 915 // 916 } finally { 917 if (outputStream != null) { 918 try { 919 outputStream.close(); 920 } catch (IOException ex) { 921 922 } 923 } 924 } 925 } else { 926 float scale = .5F; 927 Matrix m = new Matrix(); 928 m.setScale(scale, scale); 929 930 bitmap = Bitmap.createBitmap(bitmap, 0, 0, 931 bitmap.getWidth(), 932 bitmap.getHeight(), 933 m, true); 934 935 setResult(RESULT_OK, new Intent("inline-data").putExtra("data", bitmap)); 936 finish(); 937 } 938 } 939 else { 940 /* 941 * Save the image to a temp file and invoke the cropper 942 */ 943 Uri tempUri = null; 944 FileOutputStream tempStream = null; 945 try { 946 File path = getFileStreamPath(sTempCropFilename); 947 path.delete(); 948 tempStream = openFileOutput(sTempCropFilename, 0); 949 bitmap.compress(Bitmap.CompressFormat.JPEG, 75, tempStream); 950 tempStream.close(); 951 tempUri = Uri.fromFile(path); 952 } catch (FileNotFoundException ex) { 953 setResult(Activity.RESULT_CANCELED); 954 finish(); 955 return; 956 } catch (IOException ex) { 957 setResult(Activity.RESULT_CANCELED); 958 finish(); 959 return; 960 } finally { 961 if (tempStream != null) { 962 try { 963 tempStream.close(); 964 } catch (IOException ex) { 965 966 } 967 } 968 } 969 970 Bundle newExtras = new Bundle(); 971 if (cropValue.equals("circle")) 972 newExtras.putString("circleCrop", "true"); 973 if (saveUri != null) 974 newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, saveUri); 975 else 976 newExtras.putBoolean("return-data", true); 977 978 Intent cropIntent = new Intent(); 979 cropIntent.setClass(Camera.this, CropImage.class); 980 cropIntent.setData(tempUri); 981 cropIntent.putExtras(newExtras); 982 983 startActivityForResult(cropIntent, CROP_MSG); 984 } 985 } 986 987 private void doCancel() { 988 setResult(RESULT_CANCELED, new Intent()); 989 finish(); 990 } 991 992 public void onShutterButtonFocus(ShutterButton button, boolean pressed) { 993 switch (button.getId()) { 994 case R.id.shutter_button: 995 doFocus(pressed); 996 break; 997 } 998 } 999 1000 public void onShutterButtonClick(ShutterButton button) { 1001 switch (button.getId()) { 1002 case R.id.shutter_button: 1003 doSnap(false); 1004 break; 1005 } 1006 } 1007 1008 private void showStorageToast() { 1009 MenuHelper.showStorageToast(this); 1010 } 1011 1012 private void showStorageToast(int remainingPictures) { 1013 MenuHelper.showStorageToast(this, remainingPictures); 1014 } 1015 1016 @Override 1017 public void onResume() { 1018 super.onResume(); 1019 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 1020 1021 mPausing = false; 1022 mOrientationListener.enable(); 1023 1024 // install an intent filter to receive SD card related events. 1025 IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_MOUNTED); 1026 intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED); 1027 intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED); 1028 intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); 1029 intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING); 1030 intentFilter.addDataScheme("file"); 1031 registerReceiver(mReceiver, intentFilter); 1032 mDidRegister = true; 1033 1034 mImageCapture = new ImageCapture(); 1035 1036 restartPreview(); 1037 1038 if (mPreferences.getBoolean("pref_camera_recordlocation_key", false)) 1039 startReceivingLocationUpdates(); 1040 1041 updateFocusIndicator(); 1042 1043 try { 1044 mFocusToneGenerator = new ToneGenerator(AudioManager.STREAM_SYSTEM, FOCUS_BEEP_VOLUME); 1045 } catch (RuntimeException e) { 1046 Log.w(TAG, "Exception caught while creating local tone generator: " + e); 1047 mFocusToneGenerator = null; 1048 } 1049 1050 mBlackout.setVisibility(View.GONE); 1051 1052 if (mLastPictureUri != null) { 1053 IImageList list = ImageManager.makeImageList(mLastPictureUri, this, 1054 ImageManager.SORT_ASCENDING); 1055 if (list.getImageForUri(mLastPictureUri) == null) { 1056 mLastPictureUri = null; 1057 mLastPictureButton.setVisibility(View.GONE); 1058 } 1059 list.deactivate(); 1060 } 1061 } 1062 1063 private ImageManager.DataLocation dataLocation() { 1064 return ImageManager.DataLocation.EXTERNAL; 1065 } 1066 1067 @Override 1068 public void onStop() { 1069 keep(); 1070 stopPreview(); 1071 closeCamera(); 1072 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 1073 super.onStop(); 1074 } 1075 1076 @Override 1077 protected void onPause() { 1078 keep(); 1079 1080 mPausing = true; 1081 mOrientationListener.disable(); 1082 1083 stopPreview(); 1084 1085 if (!mImageCapture.mCapturing) { 1086 closeCamera(); 1087 } 1088 if (mDidRegister) { 1089 unregisterReceiver(mReceiver); 1090 mDidRegister = false; 1091 } 1092 stopReceivingLocationUpdates(); 1093 1094 if (mFocusToneGenerator != null) { 1095 mFocusToneGenerator.release(); 1096 mFocusToneGenerator = null; 1097 } 1098 1099 super.onPause(); 1100 } 1101 1102 @Override 1103 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 1104 switch (requestCode) { 1105 case CROP_MSG: { 1106 Intent intent = new Intent(); 1107 if (data != null) { 1108 Bundle extras = data.getExtras(); 1109 if (extras != null) { 1110 intent.putExtras(extras); 1111 } 1112 } 1113 setResult(resultCode, intent); 1114 finish(); 1115 1116 File path = getFileStreamPath(sTempCropFilename); 1117 path.delete(); 1118 1119 break; 1120 } 1121 } 1122 } 1123 1124 private void autoFocus() { 1125 updateFocusIndicator(); 1126 if (!mIsFocusing) { 1127 if (mCameraDevice != null) { 1128 mIsFocusing = true; 1129 mIsFocused = false; 1130 mCameraDevice.autoFocus(mAutoFocusCallback); 1131 } 1132 } 1133 } 1134 1135 private void clearFocus() { 1136 mIsFocusing = false; 1137 mIsFocused = false; 1138 mIsFocusButtonPressed = false; 1139 } 1140 1141 private void updateFocusIndicator() { 1142 mHandler.post(new Runnable() { 1143 public void run() { 1144 if (mIsFocusing || !mIsFocusButtonPressed) { 1145 mFocusIndicator.setVisibility(View.GONE); 1146 mFocusIndicator.clearAnimation(); 1147 } else { 1148 if (mIsFocused) { 1149 mFocusIndicator.setVisibility(View.VISIBLE); 1150 mFocusIndicator.clearAnimation(); 1151 } else { 1152 mFocusIndicator.setVisibility(View.VISIBLE); 1153 mFocusIndicator.startAnimation(mFocusBlinkAnimation); 1154 } 1155 } 1156 } 1157 }); 1158 } 1159 1160 1161 @Override 1162 public boolean onKeyDown(int keyCode, KeyEvent event) { 1163 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 1164 getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 1165 1166 switch (keyCode) { 1167 case KeyEvent.KEYCODE_BACK: 1168 if (mStatus == SNAPSHOT_IN_PROGRESS) { 1169 // ignore backs while we're taking a picture 1170 return true; 1171 } 1172 break; 1173 case KeyEvent.KEYCODE_FOCUS: 1174 if (event.getRepeatCount() == 0) { 1175 doFocus(true); 1176 } 1177 return true; 1178 case KeyEvent.KEYCODE_CAMERA: 1179 if (event.getRepeatCount() == 0) { 1180 doSnap(false); 1181 } 1182 return true; 1183 case KeyEvent.KEYCODE_DPAD_CENTER: 1184 // If we get a dpad center event without any focused view, move the 1185 // focus to the shutter button and press it. 1186 if (event.getRepeatCount() == 0) { 1187 if (mShutterButton.isInTouchMode()) { 1188 mShutterButton.requestFocusFromTouch(); 1189 } else { 1190 mShutterButton.requestFocus(); 1191 } 1192 mShutterButton.setPressed(true); 1193 } 1194 return true; 1195 } 1196 1197 return super.onKeyDown(keyCode, event); 1198 } 1199 1200 @Override 1201 public boolean onKeyUp(int keyCode, KeyEvent event) { 1202 switch (keyCode) { 1203 case KeyEvent.KEYCODE_FOCUS: 1204 doFocus(false); 1205 return true; 1206 } 1207 return super.onKeyUp(keyCode, event); 1208 } 1209 1210 private void doSnap(boolean needAutofocus) { 1211 // The camera operates in focus-priority mode, meaning that we take a picture 1212 // when focusing completes, and only if it completes successfully. If the user 1213 // has half-pressed the shutter and already locked focus, we can take the photo 1214 // right away, otherwise we need to start AF. 1215 if (mIsFocused || !mPreviewing) { 1216 // doesn't get set until the idler runs 1217 if (mCaptureObject != null) { 1218 mCaptureObject.onSnap(); 1219 } 1220 clearFocus(); 1221 updateFocusIndicator(); 1222 } else { 1223 // Half pressing the shutter (i.e. the focus button event) will already have 1224 // requested AF for us, so just request capture on focus here. If AF has 1225 // already failed, we don't want to trigger it again. 1226 mCaptureOnFocus = true; 1227 if (needAutofocus && !mIsFocusButtonPressed) { 1228 // But we do need to start AF for DPAD_CENTER 1229 autoFocus(); 1230 } 1231 } 1232 } 1233 1234 private void doFocus(boolean pressed) { 1235 if (pressed) { 1236 mIsFocusButtonPressed = true; 1237 mCaptureOnFocus = false; 1238 if (mPreviewing) { 1239 autoFocus(); 1240 } else if (mCaptureObject != null) { 1241 // Save and restart preview 1242 mCaptureObject.onSnap(); 1243 } 1244 } else { 1245 clearFocus(); 1246 updateFocusIndicator(); 1247 } 1248 } 1249 1250 public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { 1251 // if we're creating the surface, start the preview as well. 1252 boolean preview = holder.isCreating(); 1253 setViewFinder(w, h, preview); 1254 mCaptureObject = mImageCapture; 1255 } 1256 1257 public void surfaceCreated(SurfaceHolder holder) { 1258 mSurfaceHolder = holder; 1259 } 1260 1261 public void surfaceDestroyed(SurfaceHolder holder) { 1262 stopPreview(); 1263 mSurfaceHolder = null; 1264 } 1265 1266 private void closeCamera() { 1267 if (mCameraDevice != null) { 1268 mCameraDevice.release(); 1269 mCameraDevice = null; 1270 mPreviewing = false; 1271 } 1272 } 1273 1274 private boolean ensureCameraDevice() { 1275 if (mCameraDevice == null) { 1276 mCameraDevice = android.hardware.Camera.open(); 1277 } 1278 return mCameraDevice != null; 1279 } 1280 1281 private void restartPreview() { 1282 VideoPreview surfaceView = mSurfaceView; 1283 1284 // make sure the surfaceview fills the whole screen when previewing 1285 surfaceView.setAspectRatio(VideoPreview.DONT_CARE); 1286 setViewFinder(mOriginalViewFinderWidth, mOriginalViewFinderHeight, true); 1287 mStatus = IDLE; 1288 1289 // Calculate this in advance of each shot so we don't add to shutter latency. It's true that 1290 // someone else could write to the SD card in the mean time and fill it, but that could have 1291 // happened between the shutter press and saving the JPEG too. 1292 // TODO: The best longterm solution is to write a reserve file of maximum JPEG size, always 1293 // let the user take a picture, and delete that file if needed to save the new photo. 1294 calculatePicturesRemaining(); 1295 1296 if (mShouldShowLastPictureButton) { 1297 mShouldShowLastPictureButton = false; 1298 mLastPictureButton.setVisibility(View.VISIBLE); 1299 Animation a = mShowLastPictureButtonAnimation; 1300 a.setDuration(500); 1301 mLastPictureButton.setAnimation(a); 1302 } 1303 1304 if (mShouldTransitionThumbnails) { 1305 mShouldTransitionThumbnails = false; 1306 mThumbnailTransition.startTransition(500); 1307 } 1308 } 1309 1310 private void setViewFinder(int w, int h, boolean startPreview) { 1311 if (mPausing) 1312 return; 1313 1314 if (mPreviewing && 1315 w == mViewFinderWidth && 1316 h == mViewFinderHeight) { 1317 return; 1318 } 1319 1320 if (!ensureCameraDevice()) 1321 return; 1322 1323 if (mSurfaceHolder == null) 1324 return; 1325 1326 if (isFinishing()) 1327 return; 1328 1329 if (mPausing) 1330 return; 1331 1332 // remember view finder size 1333 mViewFinderWidth = w; 1334 mViewFinderHeight = h; 1335 if (mOriginalViewFinderHeight == 0) { 1336 mOriginalViewFinderWidth = w; 1337 mOriginalViewFinderHeight = h; 1338 } 1339 1340 if (startPreview == false) 1341 return; 1342 1343 /* 1344 * start the preview if we're asked to... 1345 */ 1346 1347 // we want to start the preview and we're previewing already, 1348 // stop the preview first (this will blank the screen). 1349 if (mPreviewing) 1350 stopPreview(); 1351 1352 // this blanks the screen if the surface changed, no-op otherwise 1353 try { 1354 mCameraDevice.setPreviewDisplay(mSurfaceHolder); 1355 } catch (IOException exception) { 1356 mCameraDevice.release(); 1357 mCameraDevice = null; 1358 // TODO: add more exception handling logic here 1359 return; 1360 } 1361 1362 // request the preview size, the hardware may not honor it, 1363 // if we depended on it we would have to query the size again 1364 mParameters = mCameraDevice.getParameters(); 1365 mParameters.setPreviewSize(w, h); 1366 try { 1367 mCameraDevice.setParameters(mParameters); 1368 } catch (IllegalArgumentException e) { 1369 // Ignore this error, it happens in the simulator. 1370 } 1371 1372 1373 final long wallTimeStart = SystemClock.elapsedRealtime(); 1374 final long threadTimeStart = Debug.threadCpuTimeNanos(); 1375 1376 final Object watchDogSync = new Object(); 1377 Thread watchDog = new Thread(new Runnable() { 1378 public void run() { 1379 int next_warning = 1; 1380 while (true) { 1381 try { 1382 synchronized (watchDogSync) { 1383 watchDogSync.wait(1000); 1384 } 1385 } catch (InterruptedException ex) { 1386 // 1387 } 1388 if (mPreviewing) 1389 break; 1390 1391 int delay = (int) (SystemClock.elapsedRealtime() - wallTimeStart) / 1000; 1392 if (delay >= next_warning) { 1393 if (delay < 120) { 1394 Log.e(TAG, "preview hasn't started yet in " + delay + " seconds"); 1395 } else { 1396 Log.e(TAG, "preview hasn't started yet in " + (delay / 60) + " minutes"); 1397 } 1398 if (next_warning < 60) { 1399 next_warning <<= 1; 1400 if (next_warning == 16) { 1401 next_warning = 15; 1402 } 1403 } else { 1404 next_warning += 60; 1405 } 1406 } 1407 } 1408 } 1409 }); 1410 1411 watchDog.start(); 1412 1413 if (Config.LOGV) 1414 Log.v(TAG, "calling mCameraDevice.startPreview"); 1415 try { 1416 mCameraDevice.startPreview(); 1417 } catch (Throwable e) { 1418 // TODO: change Throwable to IOException once android.hardware.Camera.startPreview 1419 // properly declares that it throws IOException. 1420 } 1421 mPreviewing = true; 1422 1423 synchronized (watchDogSync) { 1424 watchDogSync.notify(); 1425 } 1426 1427 long threadTimeEnd = Debug.threadCpuTimeNanos(); 1428 long wallTimeEnd = SystemClock.elapsedRealtime(); 1429 if ((wallTimeEnd - wallTimeStart) > 3000) { 1430 Log.w(TAG, "startPreview() to " + (wallTimeEnd - wallTimeStart) + " ms. Thread time was" 1431 + (threadTimeEnd - threadTimeStart) / 1000000 + " ms."); 1432 } 1433 } 1434 1435 private void stopPreview() { 1436 if (mCameraDevice != null && mPreviewing) { 1437 mCameraDevice.stopPreview(); 1438 } 1439 mPreviewing = false; 1440 } 1441 1442 void gotoGallery() { 1443 MenuHelper.gotoCameraImageGallery(this); 1444 } 1445 1446 private void viewLastImage() { 1447 Uri targetUri = mLastPictureUri; 1448 if (targetUri != null) { 1449 targetUri = targetUri.buildUpon(). 1450 appendQueryParameter("bucketId", ImageManager.CAMERA_IMAGE_BUCKET_ID).build(); 1451 Intent intent = new Intent(Intent.ACTION_VIEW, targetUri); 1452 intent.putExtra(MediaStore.EXTRA_SCREEN_ORIENTATION, 1453 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); 1454 intent.putExtra(MediaStore.EXTRA_FULL_SCREEN, true); 1455 intent.putExtra(MediaStore.EXTRA_SHOW_ACTION_ICONS, true); 1456 intent.putExtra("com.android.camera.ReviewMode", true); 1457 1458 try { 1459 startActivity(intent); 1460 } catch (android.content.ActivityNotFoundException ex) { 1461 // ignore. 1462 } 1463 } 1464 } 1465 1466 void keep() { 1467 cancelSavingNotification(); 1468 if (mCaptureObject != null) { 1469 mCaptureObject.dismissFreezeFrame(true); 1470 } 1471 }; 1472 1473 void toss() { 1474 cancelSavingNotification(); 1475 if (mCaptureObject != null) { 1476 mCaptureObject.cancelSave(); 1477 } 1478 }; 1479 1480 private ImageManager.IImage getImageForURI(Uri uri) { 1481 ImageManager.IImageList list = ImageManager.instance().allImages( 1482 this, 1483 mContentResolver, 1484 dataLocation(), 1485 ImageManager.INCLUDE_IMAGES, 1486 ImageManager.SORT_ASCENDING); 1487 ImageManager.IImage image = list.getImageForUri(uri); 1488 list.deactivate(); 1489 return image; 1490 } 1491 1492 1493 private void startReceivingLocationUpdates() { 1494 if (mLocationManager != null) { 1495 try { 1496 mLocationManager.requestLocationUpdates( 1497 LocationManager.NETWORK_PROVIDER, 1498 1000, 1499 0F, 1500 mLocationListeners[1]); 1501 } catch (java.lang.SecurityException ex) { 1502 // ok 1503 } catch (IllegalArgumentException ex) { 1504 if (Config.LOGD) { 1505 Log.d(TAG, "provider does not exist " + ex.getMessage()); 1506 } 1507 } 1508 try { 1509 mLocationManager.requestLocationUpdates( 1510 LocationManager.GPS_PROVIDER, 1511 1000, 1512 0F, 1513 mLocationListeners[0]); 1514 } catch (java.lang.SecurityException ex) { 1515 // ok 1516 } catch (IllegalArgumentException ex) { 1517 if (Config.LOGD) { 1518 Log.d(TAG, "provider does not exist " + ex.getMessage()); 1519 } 1520 } 1521 } 1522 } 1523 1524 private void stopReceivingLocationUpdates() { 1525 if (mLocationManager != null) { 1526 for (int i = 0; i < mLocationListeners.length; i++) { 1527 try { 1528 mLocationManager.removeUpdates(mLocationListeners[i]); 1529 } catch (Exception ex) { 1530 // ok 1531 } 1532 } 1533 } 1534 } 1535 1536 private Location getCurrentLocation() { 1537 Location l = null; 1538 1539 // go in best to worst order 1540 for (int i = 0; i < mLocationListeners.length; i++) { 1541 l = mLocationListeners[i].current(); 1542 if (l != null) 1543 break; 1544 } 1545 1546 return l; 1547 } 1548 1549 @Override 1550 public void onOptionsMenuClosed(Menu menu) { 1551 super.onOptionsMenuClosed(menu); 1552 if (mImageSavingItem && !mMenuSelectionMade) { 1553 // save the image if we presented the "advanced" menu 1554 // which happens if "menu" is pressed while in 1555 // SNAPSHOT_IN_PROGRESS or SNAPSHOT_COMPLETED modes 1556 keep(); 1557 mHandler.sendEmptyMessage(RESTART_PREVIEW); 1558 } 1559 } 1560 1561 @Override 1562 public boolean onMenuOpened(int featureId, Menu menu) { 1563 if (featureId == Window.FEATURE_OPTIONS_PANEL) { 1564 if (mStatus == SNAPSHOT_IN_PROGRESS) { 1565 cancelAutomaticPreviewRestart(); 1566 mMenuSelectionMade = false; 1567 } 1568 } 1569 return super.onMenuOpened(featureId, menu); 1570 } 1571 1572 @Override 1573 public boolean onPrepareOptionsMenu(Menu menu) { 1574 super.onPrepareOptionsMenu(menu); 1575 1576 mMenuSelectionMade = false; 1577 1578 for (int i = 1; i <= MenuHelper.MENU_ITEM_MAX; i++) { 1579 if (i != MenuHelper.GENERIC_ITEM) { 1580 menu.setGroupVisible(i, false); 1581 } 1582 } 1583 1584 if (mStatus == SNAPSHOT_IN_PROGRESS || mStatus == SNAPSHOT_COMPLETED) { 1585 menu.setGroupVisible(MenuHelper.IMAGE_SAVING_ITEM, true); 1586 mImageSavingItem = true; 1587 } else { 1588 menu.setGroupVisible(MenuHelper.IMAGE_MODE_ITEM, true); 1589 mImageSavingItem = false; 1590 } 1591 1592 if (mCaptureObject != null) 1593 mCaptureObject.cancelAutoDismiss(); 1594 1595 return true; 1596 } 1597 1598 private void cancelAutomaticPreviewRestart() { 1599 mKeepAndRestartPreview = false; 1600 mHandler.removeMessages(RESTART_PREVIEW); 1601 } 1602 1603 private boolean isImageCaptureIntent() { 1604 String action = getIntent().getAction(); 1605 return (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)); 1606 } 1607 1608 private void showPostCaptureAlert() { 1609 boolean isPick = isImageCaptureIntent(); 1610 int pickVisible = isPick ? View.VISIBLE : View.GONE; 1611 mPostCaptureAlert.setVisibility(pickVisible); 1612 if (isPick) { 1613 int[] pickIds = {R.id.attach, R.id.cancel}; 1614 for(int id : pickIds) { 1615 View view = mPostCaptureAlert.findViewById(id); 1616 view.setOnClickListener(this); 1617 Animation animation = new AlphaAnimation(0F, 1F); 1618 animation.setDuration(500); 1619 view.setAnimation(animation); 1620 } 1621 } 1622 } 1623 1624 private void hidePostCaptureAlert() { 1625 mPostCaptureAlert.setVisibility(View.GONE); 1626 } 1627 1628 @Override 1629 public boolean onCreateOptionsMenu(Menu menu) { 1630 super.onCreateOptionsMenu(menu); 1631 1632 if (isImageCaptureIntent()) { 1633 // No options menu for attach mode. 1634 return false; 1635 } else { 1636 addBaseMenuItems(menu); 1637 MenuHelper.addImageMenuItems( 1638 menu, 1639 MenuHelper.INCLUDE_ALL & ~MenuHelper.INCLUDE_ROTATE_MENU, 1640 true, 1641 Camera.this, 1642 mHandler, 1643 1644 // Handler for deletion 1645 new Runnable() { 1646 public void run() { 1647 if (mCaptureObject != null) { 1648 mCaptureObject.cancelSave(); 1649 Uri uri = mCaptureObject.getLastCaptureUri(); 1650 if (uri != null) { 1651 mContentResolver.delete(uri, null, null); 1652 } 1653 } 1654 } 1655 }, 1656 new MenuHelper.MenuInvoker() { 1657 public void run(final MenuHelper.MenuCallback cb) { 1658 mMenuSelectionMade = true; 1659 postAfterKeep(new Runnable() { 1660 public void run() { 1661 cb.run(mSelectedImageGetter.getCurrentImageUri(), mSelectedImageGetter.getCurrentImage()); 1662 if (mCaptureObject != null) 1663 mCaptureObject.dismissFreezeFrame(true); 1664 } 1665 }); 1666 } 1667 }); 1668 1669 MenuItem gallery = menu.add(MenuHelper.IMAGE_SAVING_ITEM, MENU_SAVE_GALLERY_PHOTO, 0, R.string.camera_gallery_photos_text).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { 1670 public boolean onMenuItemClick(MenuItem item) { 1671 postAfterKeep(new Runnable() { 1672 public void run() { 1673 gotoGallery(); 1674 } 1675 }); 1676 return true; 1677 } 1678 }); 1679 gallery.setIcon(android.R.drawable.ic_menu_gallery); 1680 } 1681 return true; 1682 } 1683 1684 SelectedImageGetter mSelectedImageGetter = 1685 new SelectedImageGetter() { 1686 public ImageManager.IImage getCurrentImage() { 1687 return getImageForURI(getCurrentImageUri()); 1688 } 1689 public Uri getCurrentImageUri() { 1690 keep(); 1691 return mCaptureObject.getLastCaptureUri(); 1692 } 1693 }; 1694 1695 private int calculatePicturesRemaining() { 1696 mPicturesRemaining = MenuHelper.calculatePicturesRemaining(); 1697 return mPicturesRemaining; 1698 } 1699 1700 private void addBaseMenuItems(Menu menu) { 1701 MenuHelper.addSwitchModeMenuItem(menu, this, true); 1702 { 1703 MenuItem gallery = menu.add(MenuHelper.IMAGE_MODE_ITEM, MENU_GALLERY_PHOTOS, 0, R.string.camera_gallery_photos_text).setOnMenuItemClickListener(new OnMenuItemClickListener() { 1704 public boolean onMenuItemClick(MenuItem item) { 1705 gotoGallery(); 1706 return true; 1707 } 1708 }); 1709 gallery.setIcon(android.R.drawable.ic_menu_gallery); 1710 mGalleryItems.add(gallery); 1711 } 1712 { 1713 MenuItem gallery = menu.add(MenuHelper.VIDEO_MODE_ITEM, MENU_GALLERY_VIDEOS, 0, R.string.camera_gallery_photos_text).setOnMenuItemClickListener(new OnMenuItemClickListener() { 1714 public boolean onMenuItemClick(MenuItem item) { 1715 gotoGallery(); 1716 return true; 1717 } 1718 }); 1719 gallery.setIcon(android.R.drawable.ic_menu_gallery); 1720 mGalleryItems.add(gallery); 1721 } 1722 1723 MenuItem item = menu.add(MenuHelper.GENERIC_ITEM, MENU_SETTINGS, 0, R.string.settings).setOnMenuItemClickListener(new OnMenuItemClickListener() { 1724 public boolean onMenuItemClick(MenuItem item) { 1725 Intent intent = new Intent(); 1726 intent.setClass(Camera.this, CameraSettings.class); 1727 startActivity(intent); 1728 return true; 1729 } 1730 }); 1731 item.setIcon(android.R.drawable.ic_menu_preferences); 1732 } 1733} 1734 1735