Camera.java revision 07c90568c7b0568e6cb75559bd13e5d000ac040f
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.content.BroadcastReceiver; 28import android.content.ContentResolver; 29import android.content.Context; 30import android.content.Intent; 31import android.content.IntentFilter; 32import android.content.SharedPreferences; 33import android.content.pm.ActivityInfo; 34import android.content.res.AssetFileDescriptor; 35import android.graphics.Bitmap; 36import android.graphics.BitmapFactory; 37import android.graphics.Matrix; 38import android.graphics.drawable.Drawable; 39import android.hardware.Camera.PictureCallback; 40import android.hardware.Camera.Size; 41import android.location.Location; 42import android.location.LocationManager; 43import android.location.LocationProvider; 44import android.media.AudioManager; 45import android.media.MediaPlayer; 46import android.media.ToneGenerator; 47import android.net.Uri; 48import android.os.Bundle; 49import android.os.Debug; 50import android.os.Environment; 51import android.os.Handler; 52import android.os.Message; 53import android.os.SystemClock; 54import android.preference.PreferenceManager; 55import android.provider.MediaStore; 56import android.text.format.DateFormat; 57import android.util.Config; 58import android.util.Log; 59import android.view.KeyEvent; 60import android.view.Menu; 61import android.view.MenuItem; 62import android.view.MenuItem.OnMenuItemClickListener; 63import android.view.OrientationEventListener; 64import android.view.SurfaceHolder; 65import android.view.View; 66import android.view.ViewGroup; 67import android.view.Window; 68import android.view.WindowManager; 69import android.view.animation.AlphaAnimation; 70import android.view.animation.Animation; 71import android.view.animation.AnimationUtils; 72import android.widget.ImageView; 73import android.widget.Toast; 74 75public class Camera extends Activity implements View.OnClickListener, 76 ShutterButton.OnShutterButtonListener, SurfaceHolder.Callback { 77 78 private static final String TAG = "camera"; 79 80 private static final boolean DEBUG = false; 81 private static final boolean DEBUG_TIME_OPERATIONS = DEBUG && false; 82 83 private static final int CROP_MSG = 1; 84 private static final int RESTART_PREVIEW = 3; 85 private static final int CLEAR_SCREEN_DELAY = 4; 86 87 private static final int SCREEN_DELAY = 2 * 60 * 1000; 88 private static final int FOCUS_BEEP_VOLUME = 100; 89 90 public static final int MENU_SWITCH_TO_VIDEO = 0; 91 public static final int MENU_SWITCH_TO_CAMERA = 1; 92 public static final int MENU_FLASH_SETTING = 2; 93 public static final int MENU_FLASH_AUTO = 3; 94 public static final int MENU_FLASH_ON = 4; 95 public static final int MENU_FLASH_OFF = 5; 96 public static final int MENU_SETTINGS = 6; 97 public static final int MENU_GALLERY_PHOTOS = 7; 98 public static final int MENU_GALLERY_VIDEOS = 8; 99 public static final int MENU_SAVE_SELECT_PHOTOS = 30; 100 public static final int MENU_SAVE_NEW_PHOTO = 31; 101 public static final int MENU_SAVE_GALLERY_PHOTO = 34; 102 public static final int MENU_SAVE_GALLERY_VIDEO_PHOTO = 35; 103 public static final int MENU_SAVE_CAMERA_DONE = 36; 104 public static final int MENU_SAVE_CAMERA_VIDEO_DONE = 37; 105 106 private OrientationEventListener mOrientationListener; 107 private int mLastOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; 108 private SharedPreferences mPreferences; 109 110 private static final int IDLE = 1; 111 private static final int SNAPSHOT_IN_PROGRESS = 2; 112 private static final int SNAPSHOT_COMPLETED = 3; 113 114 private int mStatus = IDLE; 115 private static final String sTempCropFilename = "crop-temp"; 116 117 private android.hardware.Camera mCameraDevice; 118 private android.hardware.Camera.Parameters mParameters; 119 private VideoPreview mSurfaceView; 120 private SurfaceHolder mSurfaceHolder = null; 121 122 private int mOriginalViewFinderWidth, mOriginalViewFinderHeight; 123 private int mViewFinderWidth, mViewFinderHeight; 124 private boolean mPreviewing = false; 125 126 private MediaPlayer mClickSound; 127 128 private Capturer mCaptureObject; 129 private ImageCapture mImageCapture = null; 130 131 private boolean mPausing = false; 132 133 private static final int FOCUS_NOT_STARTED = 0; 134 private static final int FOCUSING = 1; 135 private static final int FOCUSING_SNAP_ON_FINISH = 2; 136 private static final int FOCUS_SUCCESS = 3; 137 private static final int FOCUS_FAIL = 4; 138 private int mFocusState = FOCUS_NOT_STARTED; 139 140 private static ContentResolver mContentResolver; 141 private boolean mDidRegister = false; 142 143 private ArrayList<MenuItem> mGalleryItems = new ArrayList<MenuItem>(); 144 145 private LocationManager mLocationManager = null; 146 147 private ShutterButton mShutterButton; 148 149 private Animation mFocusBlinkAnimation; 150 private View mFocusIndicator; 151 private ImageView mGpsIndicator; 152 private ToneGenerator mFocusToneGenerator; 153 154 155 private ShutterCallback mShutterCallback = new ShutterCallback(); 156 private RawPictureCallback mRawPictureCallback = new RawPictureCallback(); 157 private AutoFocusCallback mAutoFocusCallback = new AutoFocusCallback(); 158 private long mFocusStartTime; 159 private long mFocusCallbackTime; 160 private long mCaptureStartTime; 161 private long mShutterCallbackTime; 162 private long mRawPictureCallbackTime; 163 private int mPicturesRemaining; 164 private boolean mRecordLocation; 165 166 private boolean mKeepAndRestartPreview; 167 168 private boolean mIsImageCaptureIntent; 169 // mPostCaptureAlert, mLastPictureButton, mThumbController 170 // are non-null only if isImageCaptureIntent() is true. 171 private View mPostCaptureAlert; 172 private ImageView mLastPictureButton; 173 private ThumbnailController mThumbController; 174 175 private Handler mHandler = new MainHandler(); 176 177 private interface Capturer { 178 Uri getLastCaptureUri(); 179 void onSnap(); 180 void dismissFreezeFrame(); 181 } 182 183 /** This Handler is used to post message back onto the main thread of the application */ 184 private class MainHandler extends Handler { 185 @Override 186 public void handleMessage(Message msg) { 187 switch (msg.what) { 188 case RESTART_PREVIEW: { 189 if (mStatus == SNAPSHOT_IN_PROGRESS) { 190 // We are still in the processing of taking the picture, wait. 191 // This is strange. Why are we polling? 192 // TODO remove polling 193 mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, 100); 194 } else if (mStatus == SNAPSHOT_COMPLETED){ 195 mCaptureObject.dismissFreezeFrame(); 196 hidePostCaptureAlert(); 197 } 198 break; 199 } 200 201 case CLEAR_SCREEN_DELAY: { 202 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 203 break; 204 } 205 } 206 } 207 }; 208 209 LocationListener [] mLocationListeners = new LocationListener[] { 210 new LocationListener(LocationManager.GPS_PROVIDER), 211 new LocationListener(LocationManager.NETWORK_PROVIDER) 212 }; 213 214 215 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 216 @Override 217 public void onReceive(Context context, Intent intent) { 218 String action = intent.getAction(); 219 if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) { 220 // SD card available 221 updateStorageHint(calculatePicturesRemaining()); 222 } else if (action.equals(Intent.ACTION_MEDIA_UNMOUNTED) || 223 action.equals(Intent.ACTION_MEDIA_CHECKING)) { 224 // SD card unavailable 225 mPicturesRemaining = MenuHelper.NO_STORAGE_ERROR; 226 updateStorageHint(mPicturesRemaining); 227 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) { 228 Toast.makeText(Camera.this, getResources().getString(R.string.wait), 5000); 229 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) { 230 updateStorageHint(); 231 } 232 } 233 }; 234 235 private class LocationListener implements android.location.LocationListener { 236 Location mLastLocation; 237 boolean mValid = false; 238 String mProvider; 239 240 public LocationListener(String provider) { 241 mProvider = provider; 242 mLastLocation = new Location(mProvider); 243 } 244 245 public void onLocationChanged(Location newLocation) { 246 if (newLocation.getLatitude() == 0.0 && newLocation.getLongitude() == 0.0) { 247 // Hack to filter out 0.0,0.0 locations 248 return; 249 } 250 // If GPS is available before start camera, we won't get status 251 // update so update GPS indicator when we receive data. 252 if (mRecordLocation 253 && LocationManager.GPS_PROVIDER.equals(mProvider)) { 254 mGpsIndicator.setVisibility(View.VISIBLE); 255 } 256 mLastLocation.set(newLocation); 257 mValid = true; 258 } 259 260 public void onProviderEnabled(String provider) { 261 } 262 263 public void onProviderDisabled(String provider) { 264 mValid = false; 265 } 266 267 public void onStatusChanged(String provider, int status, Bundle extras) { 268 switch(status) { 269 case LocationProvider.OUT_OF_SERVICE: 270 case LocationProvider.TEMPORARILY_UNAVAILABLE: { 271 mValid = false; 272 if (mRecordLocation && 273 LocationManager.GPS_PROVIDER.equals(provider)) { 274 mGpsIndicator.setVisibility(View.INVISIBLE); 275 } 276 break; 277 } 278 } 279 } 280 281 public Location current() { 282 return mValid ? mLastLocation : null; 283 } 284 }; 285 286 private boolean mImageSavingItem = false; 287 288 private final class ShutterCallback implements android.hardware.Camera.ShutterCallback { 289 public void onShutter() { 290 if (DEBUG_TIME_OPERATIONS) { 291 mShutterCallbackTime = System.currentTimeMillis(); 292 Log.v(TAG, "Shutter lag was " + (mShutterCallbackTime - mCaptureStartTime) + " ms."); 293 } 294 295 // We are going to change the size of surface view and show captured 296 // image. Set it to invisible now and set it back to visible in 297 // surfaceChanged() so that users won't see the image is resized on 298 // the screen. 299 mSurfaceView.setVisibility(View.INVISIBLE); 300 // Resize the SurfaceView to the aspect-ratio of the still image 301 // and so that we can see the full image that was taken. 302 Size pictureSize = mParameters.getPictureSize(); 303 mSurfaceView.setAspectRatio(pictureSize.width, pictureSize.height); 304 305 if (mClickSound != null) { 306 mClickSound.start(); 307 } 308 } 309 }; 310 311 private final class RawPictureCallback implements PictureCallback { 312 public void onPictureTaken(byte [] rawData, android.hardware.Camera camera) { 313 if (Config.LOGV) 314 Log.v(TAG, "got RawPictureCallback..."); 315 mRawPictureCallbackTime = System.currentTimeMillis(); 316 if (DEBUG_TIME_OPERATIONS) { 317 Log.v(TAG, (mRawPictureCallbackTime - mShutterCallbackTime) + "ms elapsed between" + 318 " ShutterCallback and RawPictureCallback."); 319 } 320 } 321 }; 322 323 private final class JpegPictureCallback implements PictureCallback { 324 Location mLocation; 325 326 public JpegPictureCallback(Location loc) { 327 mLocation = loc; 328 } 329 330 public void onPictureTaken(byte [] jpegData, android.hardware.Camera camera) { 331 if (mPausing) { 332 return; 333 } 334 if (Config.LOGV) 335 Log.v(TAG, "got JpegPictureCallback..."); 336 337 if (DEBUG_TIME_OPERATIONS) { 338 long mJpegPictureCallback = System.currentTimeMillis(); 339 Log.v(TAG, (mJpegPictureCallback - mRawPictureCallbackTime) + "ms elapsed between" + 340 " RawPictureCallback and JpegPictureCallback."); 341 } 342 343 if (jpegData != null) { 344 mImageCapture.storeImage(jpegData, camera, mLocation); 345 } 346 347 mStatus = SNAPSHOT_COMPLETED; 348 349 if (mKeepAndRestartPreview) { 350 long delay = 1500 - (System.currentTimeMillis() - mRawPictureCallbackTime); 351 mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, Math.max(delay, 0)); 352 } 353 } 354 }; 355 356 private final class AutoFocusCallback implements android.hardware.Camera.AutoFocusCallback { 357 public void onAutoFocus(boolean focused, android.hardware.Camera camera) { 358 if (DEBUG_TIME_OPERATIONS) { 359 mFocusCallbackTime = System.currentTimeMillis(); 360 Log.v(TAG, "Auto focus took " + (mFocusCallbackTime - mFocusStartTime) + " ms."); 361 } 362 363 if (mFocusState == FOCUSING_SNAP_ON_FINISH && mCaptureObject != null) { 364 // Take the picture no matter focus succeeds or fails. 365 // No need to play the AF sound if we're about to play the shutter sound. 366 mCaptureObject.onSnap(); 367 clearFocusState(); 368 } else if (mFocusState == FOCUSING) { 369 // User is half-pressing the focus key. Play the focus tone. 370 // Do not take the picture now. 371 ToneGenerator tg = mFocusToneGenerator; 372 if (tg != null) 373 tg.startTone(ToneGenerator.TONE_PROP_BEEP2); 374 if (focused) { 375 mFocusState = FOCUS_SUCCESS; 376 } 377 else { 378 mFocusState = FOCUS_FAIL; 379 } 380 } else if (mFocusState == FOCUS_NOT_STARTED) { 381 // User has released the focus key before focus completes. 382 // Do nothing. 383 } 384 updateFocusIndicator(); 385 } 386 }; 387 388 private class ImageCapture implements Capturer { 389 390 private boolean mCancel = false; 391 private boolean mCapturing = false; 392 393 private Uri mLastContentUri; 394 private ImageManager.IAddImage_cancelable mAddImageCancelable; 395 396 Bitmap mCaptureOnlyBitmap; 397 398 /** These member variables are used for various debug timings */ 399 private long mThreadTimeStart; 400 private long mThreadTimeEnd; 401 private long mWallTimeStart; 402 private long mWallTimeEnd; 403 404 405 public ImageCapture() { 406 } 407 408 /** 409 * This method sets whether or not we are capturing a picture. This method must be called 410 * with the ImageCapture.this lock held. 411 */ 412 public void setCapturingLocked(boolean capturing) { 413 mCapturing = capturing; 414 } 415 416 public void dismissFreezeFrame() { 417 if (mStatus == SNAPSHOT_IN_PROGRESS) { 418 // If we are still in the process of taking a picture, then just post a message. 419 mHandler.sendEmptyMessage(RESTART_PREVIEW); 420 } else { 421 restartPreview(); 422 } 423 } 424 425 private void startTiming() { 426 mWallTimeStart = SystemClock.elapsedRealtime(); 427 mThreadTimeStart = Debug.threadCpuTimeNanos(); 428 } 429 430 private void stopTiming() { 431 mThreadTimeEnd = Debug.threadCpuTimeNanos(); 432 mWallTimeEnd = SystemClock.elapsedRealtime(); 433 } 434 435 private void storeImage(byte[] data, Location loc) { 436 try { 437 if (DEBUG_TIME_OPERATIONS) { 438 startTiming(); 439 } 440 long dateTaken = System.currentTimeMillis(); 441 String name = createName(dateTaken) + ".jpg"; 442 mLastContentUri = ImageManager.instance().addImage( 443 Camera.this, 444 mContentResolver, 445 name, 446 "", 447 dateTaken, 448 // location for the database goes here 449 loc, 450 0, // the dsp will use the right orientation so don't "double set it" 451 ImageManager.CAMERA_IMAGE_BUCKET_NAME, 452 name); 453 454 if (mLastContentUri == null) { 455 // this means we got an error 456 mCancel = true; 457 } 458 if (!mCancel) { 459 mAddImageCancelable = ImageManager.instance().storeImage(mLastContentUri, 460 Camera.this, mContentResolver, 0, null, data); 461 mAddImageCancelable.get(); 462 mAddImageCancelable = null; 463 } 464 465 if (DEBUG_TIME_OPERATIONS) { 466 stopTiming(); 467 Log.d(TAG, "Storing image took " + (mWallTimeEnd - mWallTimeStart) + " ms. " + 468 "Thread time was " + ((mThreadTimeEnd - mThreadTimeStart) / 1000000) + 469 " ms."); 470 } 471 } catch (Exception ex) { 472 Log.e(TAG, "Exception while compressing image.", ex); 473 } 474 } 475 476 public void storeImage(byte[] data, android.hardware.Camera camera, Location loc) { 477 boolean captureOnly = mIsImageCaptureIntent; 478 479 if (!captureOnly) { 480 storeImage(data, loc); 481 sendBroadcast(new Intent("com.android.camera.NEW_PICTURE", mLastContentUri)); 482 setLastPictureThumb(data, mCaptureObject.getLastCaptureUri()); 483 dismissFreezeFrame(); 484 } else { 485 BitmapFactory.Options options = new BitmapFactory.Options(); 486 options.inSampleSize = 4; 487 488 if (DEBUG_TIME_OPERATIONS) { 489 startTiming(); 490 } 491 492 mCaptureOnlyBitmap = BitmapFactory.decodeByteArray(data, 0, data.length, options); 493 494 if (DEBUG_TIME_OPERATIONS) { 495 stopTiming(); 496 Log.d(TAG, "Decoded mCaptureOnly bitmap (" + mCaptureOnlyBitmap.getWidth() + 497 "x" + mCaptureOnlyBitmap.getHeight() + " ) in " + 498 (mWallTimeEnd - mWallTimeStart) + " ms. Thread time was " + 499 ((mThreadTimeEnd - mThreadTimeStart) / 1000000) + " ms."); 500 } 501 502 showPostCaptureAlert(); 503 cancelAutomaticPreviewRestart(); 504 } 505 506 mCapturing = false; 507 if (mPausing) { 508 closeCamera(); 509 } 510 } 511 512 /* 513 * Initiate the capture of an image. 514 */ 515 public void initiate(boolean captureOnly) { 516 if (mCameraDevice == null) { 517 return; 518 } 519 520 mCancel = false; 521 mCapturing = true; 522 523 capture(captureOnly); 524 } 525 526 public Uri getLastCaptureUri() { 527 return mLastContentUri; 528 } 529 530 public Bitmap getLastBitmap() { 531 return mCaptureOnlyBitmap; 532 } 533 534 private void capture(boolean captureOnly) { 535 mPreviewing = false; 536 mCaptureOnlyBitmap = null; 537 538 final int latchedOrientation = ImageManager.roundOrientation(mLastOrientation + 90); 539 540 Location loc = mRecordLocation ? getCurrentLocation() : null; 541 // Quality 75 has visible artifacts, and quality 90 looks great but the files begin to 542 // get large. 85 is a good compromise between the two. 543 mParameters.set("jpeg-quality", 85); 544 mParameters.set("rotation", latchedOrientation); 545 546 mParameters.remove("gps-latitude"); 547 mParameters.remove("gps-longitude"); 548 mParameters.remove("gps-altitude"); 549 mParameters.remove("gps-timestamp"); 550 551 if (loc != null) { 552 double lat = loc.getLatitude(); 553 double lon = loc.getLongitude(); 554 boolean hasLatLon = (lat != 0.0d) || (lon != 0.0d); 555 556 if (hasLatLon) { 557 String latString = String.valueOf(lat); 558 String lonString = String.valueOf(lon); 559 mParameters.set("gps-latitude", latString); 560 mParameters.set("gps-longitude", lonString); 561 if (loc.hasAltitude()) { 562 mParameters.set("gps-altitude", String.valueOf(loc.getAltitude())); 563 } else { 564 // for NETWORK_PROVIDER location provider, we may have 565 // no altitude information, but the driver needs it, so 566 // we fake one. 567 mParameters.set("gps-altitude", "0"); 568 } 569 if (loc.getTime() != 0) { 570 // Location.getTime() is UTC in milliseconds. 571 // gps-timestamp is UTC in seconds. 572 long utcTimeSeconds = loc.getTime() / 1000; 573 mParameters.set("gps-timestamp", String.valueOf(utcTimeSeconds)); 574 } 575 } else { 576 loc = null; 577 } 578 } 579 580 mCameraDevice.setParameters(mParameters); 581 582 mCameraDevice.takePicture(mShutterCallback, mRawPictureCallback, new JpegPictureCallback(loc)); 583 // Prepare the sound to play in shutter callback. 584 if (mClickSound != null) { 585 mClickSound.seekTo(0); 586 } 587 } 588 589 public void onSnap() { 590 if (mPausing) { 591 return; 592 } 593 if (DEBUG_TIME_OPERATIONS) mCaptureStartTime = System.currentTimeMillis(); 594 595 // If we are already in the middle of taking a snapshot then we should just save 596 // the image after we have returned from the camera service. 597 if (mStatus == SNAPSHOT_IN_PROGRESS || mStatus == SNAPSHOT_COMPLETED) { 598 mKeepAndRestartPreview = true; 599 mHandler.sendEmptyMessage(RESTART_PREVIEW); 600 return; 601 } 602 603 // Don't check the filesystem here, we can't afford the latency. Instead, check the 604 // cached value which was calculated when the preview was restarted. 605 if (mPicturesRemaining < 1) { 606 updateStorageHint(mPicturesRemaining); 607 return; 608 } 609 610 mStatus = SNAPSHOT_IN_PROGRESS; 611 612 mKeepAndRestartPreview = true; 613 614 boolean getContentAction = mIsImageCaptureIntent; 615 if (getContentAction) { 616 mImageCapture.initiate(true); 617 } else { 618 mImageCapture.initiate(false); 619 } 620 } 621 622 private void clearLastBitmap() { 623 if (mCaptureOnlyBitmap != null) { 624 mCaptureOnlyBitmap.recycle(); 625 mCaptureOnlyBitmap = null; 626 } 627 } 628 } 629 630 private void setLastPictureThumb(byte[] data, Uri uri) { 631 BitmapFactory.Options options = new BitmapFactory.Options(); 632 options.inSampleSize = 16; 633 Bitmap lastPictureThumb = BitmapFactory.decodeByteArray(data, 0, data.length, options); 634 mThumbController.setData(uri, lastPictureThumb); 635 } 636 637 static private String createName(long dateTaken) { 638 return DateFormat.format("yyyy-MM-dd kk.mm.ss", dateTaken).toString(); 639 } 640 641 static public Matrix GetDisplayMatrix(Bitmap b, ImageView v) { 642 Matrix m = new Matrix(); 643 float bw = (float)b.getWidth(); 644 float bh = (float)b.getHeight(); 645 float vw = (float)v.getWidth(); 646 float vh = (float)v.getHeight(); 647 float scale, x, y; 648 if (bw*vh > vw*bh) { 649 scale = vh / bh; 650 x = (vw - scale*bw)*0.5F; 651 y = 0; 652 } else { 653 scale = vw / bw; 654 x = 0; 655 y = (vh - scale*bh)*0.5F; 656 } 657 m.setScale(scale, scale, 0.5F, 0.5F); 658 m.postTranslate(x, y); 659 return m; 660 } 661 662 /** Called with the activity is first created. */ 663 @Override 664 public void onCreate(Bundle icicle) { 665 super.onCreate(icicle); 666 667 // To reduce startup time, we open camera device in another thread. 668 // We make sure the camera is opened at the end of onCreate. 669 Thread openCameraThread = new Thread(new Runnable() { 670 public void run() { 671 mCameraDevice = android.hardware.Camera.open(); 672 } 673 }); 674 openCameraThread.start(); 675 676 // To reduce startup time, we run some service creation code in another thread. 677 // We make sure the services are loaded at the end of onCreate(). 678 Thread loadServiceThread = new Thread(new Runnable() { 679 public void run() { 680 mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); 681 mOrientationListener = new OrientationEventListener(Camera.this) { 682 public void onOrientationChanged(int orientation) { 683 // We keep the last known orientation. So if the user 684 // first orient the camera then point the camera to 685 // floor/sky, we still have the correct orientation. 686 if (orientation != ORIENTATION_UNKNOWN) 687 mLastOrientation = orientation; 688 } 689 }; 690 } 691 }); 692 loadServiceThread.start(); 693 694 mPreferences = PreferenceManager.getDefaultSharedPreferences(this); 695 mContentResolver = getContentResolver(); 696 697 Window win = getWindow(); 698 win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 699 setContentView(R.layout.camera); 700 701 mSurfaceView = (VideoPreview) findViewById(R.id.camera_preview); 702 mGpsIndicator = (ImageView) findViewById(R.id.gps_indicator); 703 704 // don't set mSurfaceHolder here. We have it set ONLY within 705 // surfaceCreated / surfaceDestroyed, other parts of the code 706 // assume that when it is set, the surface is also set. 707 SurfaceHolder holder = mSurfaceView.getHolder(); 708 holder.addCallback(this); 709 holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); 710 711 mIsImageCaptureIntent = isImageCaptureIntent(); 712 713 if (!mIsImageCaptureIntent) { 714 mLastPictureButton = (ImageView) findViewById(R.id.last_picture_button); 715 mLastPictureButton.setOnClickListener(this); 716 Drawable frame = getResources().getDrawable(R.drawable.frame_thumbnail); 717 mThumbController = new ThumbnailController(mLastPictureButton, 718 frame, mContentResolver); 719 mThumbController.loadData(ImageManager.getLastImageThumbPath()); 720 } 721 722 mShutterButton = (ShutterButton) findViewById(R.id.shutter_button); 723 mShutterButton.setOnShutterButtonListener(this); 724 725 try { 726 mClickSound = new MediaPlayer(); 727 AssetFileDescriptor afd = getResources().openRawResourceFd(R.raw.camera_click); 728 729 mClickSound.setDataSource(afd.getFileDescriptor(), 730 afd.getStartOffset(), 731 afd.getLength()); 732 733 if (mClickSound != null) { 734 mClickSound.setAudioStreamType(AudioManager.STREAM_ALARM); 735 mClickSound.prepare(); 736 } 737 } catch (Exception ex) { 738 Log.w(TAG, "Couldn't create click sound", ex); 739 } 740 741 mFocusIndicator = findViewById(R.id.focus_indicator); 742 mFocusBlinkAnimation = AnimationUtils.loadAnimation(this, R.anim.auto_focus_blink); 743 mFocusBlinkAnimation.setRepeatCount(Animation.INFINITE); 744 mFocusBlinkAnimation.setRepeatMode(Animation.REVERSE); 745 746 // We load the post_picture_panel layout only if it is needed. 747 if (mIsImageCaptureIntent) { 748 ViewGroup cameraView = (ViewGroup)findViewById(R.id.camera); 749 getLayoutInflater().inflate(R.layout.post_picture_panel, 750 cameraView); 751 mPostCaptureAlert = findViewById(R.id.post_picture_panel); 752 } 753 754 // Make sure the services are loaded. 755 try { 756 openCameraThread.join(); 757 loadServiceThread.join(); 758 } catch (InterruptedException ex) { 759 } 760 761 ImageManager.ensureOSXCompatibleFolder(); 762 } 763 764 @Override 765 public void onStart() { 766 super.onStart(); 767 768 Thread t = new Thread(new Runnable() { 769 public void run() { 770 final boolean storageOK = calculatePicturesRemaining() > 0; 771 772 if (!storageOK) { 773 mHandler.post(new Runnable() { 774 public void run() { 775 updateStorageHint(mPicturesRemaining); 776 } 777 }); 778 } 779 } 780 }); 781 t.start(); 782 } 783 784 public void onClick(View v) { 785 switch (v.getId()) { 786 case R.id.last_picture_button: 787 viewLastImage(); 788 break; 789 case R.id.attach: 790 doAttach(); 791 break; 792 case R.id.cancel: 793 doCancel(); 794 } 795 } 796 797 private void doAttach() { 798 if (mPausing) { 799 return; 800 } 801 Bitmap bitmap = mImageCapture.getLastBitmap(); 802 803 String cropValue = null; 804 Uri saveUri = null; 805 806 Bundle myExtras = getIntent().getExtras(); 807 if (myExtras != null) { 808 saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 809 cropValue = myExtras.getString("crop"); 810 } 811 812 813 if (cropValue == null) { 814 /* 815 * First handle the no crop case -- just return the value. If the caller 816 * specifies a "save uri" then write the data to it's stream. Otherwise, 817 * pass back a scaled down version of the bitmap directly in the extras. 818 */ 819 if (saveUri != null) { 820 OutputStream outputStream = null; 821 try { 822 outputStream = mContentResolver.openOutputStream(saveUri); 823 bitmap.compress(Bitmap.CompressFormat.JPEG, 75, outputStream); 824 outputStream.close(); 825 826 setResult(RESULT_OK); 827 finish(); 828 } catch (IOException ex) { 829 // 830 } finally { 831 if (outputStream != null) { 832 try { 833 outputStream.close(); 834 } catch (IOException ex) { 835 836 } 837 } 838 } 839 } else { 840 float scale = .5F; 841 Matrix m = new Matrix(); 842 m.setScale(scale, scale); 843 844 bitmap = Bitmap.createBitmap(bitmap, 0, 0, 845 bitmap.getWidth(), 846 bitmap.getHeight(), 847 m, true); 848 849 setResult(RESULT_OK, new Intent("inline-data").putExtra("data", bitmap)); 850 finish(); 851 } 852 } 853 else { 854 /* 855 * Save the image to a temp file and invoke the cropper 856 */ 857 Uri tempUri = null; 858 FileOutputStream tempStream = null; 859 try { 860 File path = getFileStreamPath(sTempCropFilename); 861 path.delete(); 862 tempStream = openFileOutput(sTempCropFilename, 0); 863 bitmap.compress(Bitmap.CompressFormat.JPEG, 75, tempStream); 864 tempStream.close(); 865 tempUri = Uri.fromFile(path); 866 } catch (FileNotFoundException ex) { 867 setResult(Activity.RESULT_CANCELED); 868 finish(); 869 return; 870 } catch (IOException ex) { 871 setResult(Activity.RESULT_CANCELED); 872 finish(); 873 return; 874 } finally { 875 if (tempStream != null) { 876 try { 877 tempStream.close(); 878 } catch (IOException ex) { 879 880 } 881 } 882 } 883 884 Bundle newExtras = new Bundle(); 885 if (cropValue.equals("circle")) 886 newExtras.putString("circleCrop", "true"); 887 if (saveUri != null) 888 newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, saveUri); 889 else 890 newExtras.putBoolean("return-data", true); 891 892 Intent cropIntent = new Intent(); 893 cropIntent.setClass(Camera.this, CropImage.class); 894 cropIntent.setData(tempUri); 895 cropIntent.putExtras(newExtras); 896 897 startActivityForResult(cropIntent, CROP_MSG); 898 } 899 } 900 901 private void doCancel() { 902 setResult(RESULT_CANCELED, new Intent()); 903 finish(); 904 } 905 906 public void onShutterButtonFocus(ShutterButton button, boolean pressed) { 907 if (mPausing) { 908 return; 909 } 910 switch (button.getId()) { 911 case R.id.shutter_button: 912 doFocus(pressed); 913 break; 914 } 915 } 916 917 public void onShutterButtonClick(ShutterButton button) { 918 if (mPausing) { 919 return; 920 } 921 switch (button.getId()) { 922 case R.id.shutter_button: 923 doSnap(); 924 break; 925 } 926 } 927 928 private void updateStorageHint() { 929 updateStorageHint(MenuHelper.calculatePicturesRemaining()); 930 } 931 932 private OnScreenHint mStorageHint; 933 934 private void updateStorageHint(int remaining) { 935 String noStorageText = null; 936 937 if (remaining == MenuHelper.NO_STORAGE_ERROR) { 938 String state = Environment.getExternalStorageState(); 939 if (state == Environment.MEDIA_CHECKING) { 940 noStorageText = getString(R.string.preparing_sd); 941 } else { 942 noStorageText = getString(R.string.no_storage); 943 } 944 } else if (remaining < 1) { 945 noStorageText = getString(R.string.not_enough_space); 946 } 947 948 if (noStorageText != null) { 949 if (mStorageHint == null) { 950 mStorageHint = OnScreenHint.makeText(this, noStorageText); 951 } else { 952 mStorageHint.setText(noStorageText); 953 } 954 mStorageHint.show(); 955 } else if (mStorageHint != null) { 956 mStorageHint.cancel(); 957 mStorageHint = null; 958 } 959 } 960 961 @Override 962 public void onResume() { 963 super.onResume(); 964 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 965 966 mPausing = false; 967 mOrientationListener.enable(); 968 mRecordLocation = mPreferences.getBoolean( 969 "pref_camera_recordlocation_key", false); 970 mGpsIndicator.setVisibility(View.INVISIBLE); 971 972 // install an intent filter to receive SD card related events. 973 IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_MOUNTED); 974 intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED); 975 intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED); 976 intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); 977 intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING); 978 intentFilter.addDataScheme("file"); 979 registerReceiver(mReceiver, intentFilter); 980 mDidRegister = true; 981 982 mImageCapture = new ImageCapture(); 983 984 restartPreview(); 985 986 if (mRecordLocation) startReceivingLocationUpdates(); 987 988 updateFocusIndicator(); 989 990 try { 991 mFocusToneGenerator = new ToneGenerator(AudioManager.STREAM_SYSTEM, FOCUS_BEEP_VOLUME); 992 } catch (RuntimeException e) { 993 Log.w(TAG, "Exception caught while creating local tone generator: " + e); 994 mFocusToneGenerator = null; 995 } 996 } 997 998 private static ImageManager.DataLocation dataLocation() { 999 return ImageManager.DataLocation.EXTERNAL; 1000 } 1001 1002 @Override 1003 public void onStop() { 1004 keep(); 1005 stopPreview(); 1006 closeCamera(); 1007 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 1008 super.onStop(); 1009 } 1010 1011 @Override 1012 protected void onPause() { 1013 keep(); 1014 1015 mPausing = true; 1016 mOrientationListener.disable(); 1017 1018 stopPreview(); 1019 1020 if (!mImageCapture.mCapturing) { 1021 closeCamera(); 1022 } 1023 if (mDidRegister) { 1024 unregisterReceiver(mReceiver); 1025 mDidRegister = false; 1026 } 1027 stopReceivingLocationUpdates(); 1028 1029 if (mFocusToneGenerator != null) { 1030 mFocusToneGenerator.release(); 1031 mFocusToneGenerator = null; 1032 } 1033 1034 if (!mIsImageCaptureIntent) { 1035 mThumbController.storeData(ImageManager.getLastImageThumbPath()); 1036 } 1037 1038 if (mStorageHint != null) { 1039 mStorageHint.cancel(); 1040 mStorageHint = null; 1041 } 1042 1043 // If we are in an image capture intent and has taken 1044 // a picture, we just clear it in onPause. 1045 mImageCapture.clearLastBitmap(); 1046 mImageCapture = null; 1047 hidePostCaptureAlert(); 1048 1049 super.onPause(); 1050 } 1051 1052 @Override 1053 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 1054 switch (requestCode) { 1055 case CROP_MSG: { 1056 Intent intent = new Intent(); 1057 if (data != null) { 1058 Bundle extras = data.getExtras(); 1059 if (extras != null) { 1060 intent.putExtras(extras); 1061 } 1062 } 1063 setResult(resultCode, intent); 1064 finish(); 1065 1066 File path = getFileStreamPath(sTempCropFilename); 1067 path.delete(); 1068 1069 break; 1070 } 1071 } 1072 } 1073 1074 private void autoFocus() { 1075 updateFocusIndicator(); 1076 if (mFocusState != FOCUSING && mFocusState != FOCUSING_SNAP_ON_FINISH) { 1077 if (mCameraDevice != null) { 1078 if (DEBUG_TIME_OPERATIONS) { 1079 mFocusStartTime = System.currentTimeMillis(); 1080 } 1081 mFocusState = FOCUSING; 1082 mCameraDevice.autoFocus(mAutoFocusCallback); 1083 } 1084 } 1085 } 1086 1087 private void clearFocusState() { 1088 mFocusState = FOCUS_NOT_STARTED; 1089 } 1090 1091 private void updateFocusIndicator() { 1092 mHandler.post(new Runnable() { 1093 public void run() { 1094 if (mFocusState == FOCUS_SUCCESS) { 1095 mFocusIndicator.setVisibility(View.VISIBLE); 1096 mFocusIndicator.clearAnimation(); 1097 } else if (mFocusState == FOCUS_FAIL) { 1098 mFocusIndicator.setVisibility(View.VISIBLE); 1099 mFocusIndicator.startAnimation(mFocusBlinkAnimation); 1100 } else { 1101 mFocusIndicator.setVisibility(View.GONE); 1102 mFocusIndicator.clearAnimation(); 1103 } 1104 } 1105 }); 1106 } 1107 1108 1109 @Override 1110 public boolean onKeyDown(int keyCode, KeyEvent event) { 1111 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 1112 getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 1113 1114 switch (keyCode) { 1115 case KeyEvent.KEYCODE_BACK: 1116 if (mStatus == SNAPSHOT_IN_PROGRESS) { 1117 // ignore backs while we're taking a picture 1118 return true; 1119 } 1120 break; 1121 case KeyEvent.KEYCODE_FOCUS: 1122 if (event.getRepeatCount() == 0) { 1123 doFocus(true); 1124 } 1125 return true; 1126 case KeyEvent.KEYCODE_CAMERA: 1127 if (event.getRepeatCount() == 0) { 1128 doSnap(); 1129 } 1130 return true; 1131 case KeyEvent.KEYCODE_DPAD_CENTER: 1132 // If we get a dpad center event without any focused view, move the 1133 // focus to the shutter button and press it. 1134 if (event.getRepeatCount() == 0) { 1135 // Start auto-focus immediately to reduce shutter lag. After the shutter button 1136 // gets the focus, doFocus() will be called again but it is fine. 1137 doFocus(true); 1138 if (mShutterButton.isInTouchMode()) { 1139 mShutterButton.requestFocusFromTouch(); 1140 } else { 1141 mShutterButton.requestFocus(); 1142 } 1143 mShutterButton.setPressed(true); 1144 } 1145 return true; 1146 } 1147 1148 return super.onKeyDown(keyCode, event); 1149 } 1150 1151 @Override 1152 public boolean onKeyUp(int keyCode, KeyEvent event) { 1153 switch (keyCode) { 1154 case KeyEvent.KEYCODE_FOCUS: 1155 doFocus(false); 1156 return true; 1157 } 1158 return super.onKeyUp(keyCode, event); 1159 } 1160 1161 private void doSnap() { 1162 // If the user has half-pressed the shutter and focus is completed, we 1163 // can take the photo right away. 1164 if ((mFocusState == FOCUS_SUCCESS || mFocusState == FOCUS_FAIL) 1165 || !mPreviewing) { 1166 // doesn't get set until the idler runs 1167 if (mCaptureObject != null) { 1168 mCaptureObject.onSnap(); 1169 } 1170 clearFocusState(); 1171 updateFocusIndicator(); 1172 } else if (mFocusState == FOCUSING) { 1173 // Half pressing the shutter (i.e. the focus button event) will 1174 // already have requested AF for us, so just request capture on 1175 // focus here. 1176 mFocusState = FOCUSING_SNAP_ON_FINISH; 1177 } else if (mFocusState == FOCUS_NOT_STARTED) { 1178 // Focus key down event is dropped for some reasons. Just ignore. 1179 } 1180 } 1181 1182 private void doFocus(boolean pressed) { 1183 if (pressed) { // Focus key down. 1184 if (mPreviewing) { 1185 autoFocus(); 1186 } else if (mCaptureObject != null) { 1187 // Save and restart preview 1188 mCaptureObject.onSnap(); 1189 } 1190 } else { // Focus key up. 1191 if (mFocusState != FOCUSING_SNAP_ON_FINISH) { 1192 // User releases half-pressed focus key. 1193 clearFocusState(); 1194 updateFocusIndicator(); 1195 } 1196 } 1197 } 1198 1199 public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { 1200 mSurfaceView.setVisibility(View.VISIBLE); 1201 // if we're creating the surface, start the preview as well. 1202 boolean preview = holder.isCreating(); 1203 setViewFinder(w, h, preview); 1204 mCaptureObject = mImageCapture; 1205 } 1206 1207 public void surfaceCreated(SurfaceHolder holder) { 1208 mSurfaceHolder = holder; 1209 } 1210 1211 public void surfaceDestroyed(SurfaceHolder holder) { 1212 stopPreview(); 1213 mSurfaceHolder = null; 1214 } 1215 1216 private void closeCamera() { 1217 if (mCameraDevice != null) { 1218 mCameraDevice.release(); 1219 mCameraDevice = null; 1220 mPreviewing = false; 1221 } 1222 } 1223 1224 private boolean ensureCameraDevice() { 1225 if (mCameraDevice == null) { 1226 mCameraDevice = android.hardware.Camera.open(); 1227 } 1228 return mCameraDevice != null; 1229 } 1230 1231 private void updateLastImage() { 1232 ImageManager.IImageList list = ImageManager.instance().allImages( 1233 this, 1234 mContentResolver, 1235 dataLocation(), 1236 ImageManager.INCLUDE_IMAGES, 1237 ImageManager.SORT_ASCENDING, 1238 ImageManager.CAMERA_IMAGE_BUCKET_ID); 1239 int count = list.getCount(); 1240 if (count > 0) { 1241 ImageManager.IImage image = list.getImageAt(count-1); 1242 Uri uri = image.fullSizeImageUri(); 1243 mThumbController.setData(uri, image.miniThumbBitmap()); 1244 } else { 1245 mThumbController.setData(null, null); 1246 } 1247 list.deactivate(); 1248 } 1249 1250 private void restartPreview() { 1251 VideoPreview surfaceView = mSurfaceView; 1252 1253 // make sure the surfaceview fills the whole screen when previewing 1254 surfaceView.setAspectRatio(VideoPreview.DONT_CARE); 1255 setViewFinder(mOriginalViewFinderWidth, mOriginalViewFinderHeight, true); 1256 mStatus = IDLE; 1257 1258 // Calculate this in advance of each shot so we don't add to shutter latency. It's true that 1259 // someone else could write to the SD card in the mean time and fill it, but that could have 1260 // happened between the shutter press and saving the JPEG too. 1261 // TODO: The best longterm solution is to write a reserve file of maximum JPEG size, always 1262 // let the user take a picture, and delete that file if needed to save the new photo. 1263 calculatePicturesRemaining(); 1264 1265 if (!mIsImageCaptureIntent && !mThumbController.isUriValid()) { 1266 updateLastImage(); 1267 } 1268 1269 if (!mIsImageCaptureIntent) { 1270 mThumbController.updateDisplayIfNeeded(); 1271 } 1272 } 1273 1274 private void setViewFinder(int w, int h, boolean startPreview) { 1275 if (mPausing) 1276 return; 1277 1278 if (mPreviewing && 1279 w == mViewFinderWidth && 1280 h == mViewFinderHeight) { 1281 return; 1282 } 1283 1284 if (!ensureCameraDevice()) 1285 return; 1286 1287 if (mSurfaceHolder == null) 1288 return; 1289 1290 if (isFinishing()) 1291 return; 1292 1293 if (mPausing) 1294 return; 1295 1296 // remember view finder size 1297 mViewFinderWidth = w; 1298 mViewFinderHeight = h; 1299 if (mOriginalViewFinderHeight == 0) { 1300 mOriginalViewFinderWidth = w; 1301 mOriginalViewFinderHeight = h; 1302 } 1303 1304 if (startPreview == false) 1305 return; 1306 1307 /* 1308 * start the preview if we're asked to... 1309 */ 1310 1311 // we want to start the preview and we're previewing already, 1312 // stop the preview first (this will blank the screen). 1313 if (mPreviewing) 1314 stopPreview(); 1315 1316 // this blanks the screen if the surface changed, no-op otherwise 1317 try { 1318 mCameraDevice.setPreviewDisplay(mSurfaceHolder); 1319 } catch (IOException exception) { 1320 mCameraDevice.release(); 1321 mCameraDevice = null; 1322 // TODO: add more exception handling logic here 1323 return; 1324 } 1325 1326 // request the preview size, the hardware may not honor it, 1327 // if we depended on it we would have to query the size again 1328 mParameters = mCameraDevice.getParameters(); 1329 mParameters.setPreviewSize(w, h); 1330 try { 1331 mCameraDevice.setParameters(mParameters); 1332 } catch (IllegalArgumentException e) { 1333 // Ignore this error, it happens in the simulator. 1334 } 1335 1336 1337 final long wallTimeStart = SystemClock.elapsedRealtime(); 1338 final long threadTimeStart = Debug.threadCpuTimeNanos(); 1339 1340 final Object watchDogSync = new Object(); 1341 Thread watchDog = new Thread(new Runnable() { 1342 public void run() { 1343 int next_warning = 1; 1344 while (true) { 1345 try { 1346 synchronized (watchDogSync) { 1347 watchDogSync.wait(1000); 1348 } 1349 } catch (InterruptedException ex) { 1350 // 1351 } 1352 if (mPreviewing) break; 1353 1354 int delay = (int) (SystemClock.elapsedRealtime() - wallTimeStart) / 1000; 1355 if (delay >= next_warning) { 1356 if (delay < 120) { 1357 Log.e(TAG, "preview hasn't started yet in " + delay + " seconds"); 1358 } else { 1359 Log.e(TAG, "preview hasn't started yet in " + (delay / 60) + " minutes"); 1360 } 1361 if (next_warning < 60) { 1362 next_warning <<= 1; 1363 if (next_warning == 16) { 1364 next_warning = 15; 1365 } 1366 } else { 1367 next_warning += 60; 1368 } 1369 } 1370 } 1371 } 1372 }); 1373 1374 watchDog.start(); 1375 1376 if (Config.LOGV) 1377 Log.v(TAG, "calling mCameraDevice.startPreview"); 1378 try { 1379 mCameraDevice.startPreview(); 1380 } catch (Throwable e) { 1381 // TODO: change Throwable to IOException once android.hardware.Camera.startPreview 1382 // properly declares that it throws IOException. 1383 } 1384 mPreviewing = true; 1385 1386 synchronized (watchDogSync) { 1387 watchDogSync.notify(); 1388 } 1389 1390 long threadTimeEnd = Debug.threadCpuTimeNanos(); 1391 long wallTimeEnd = SystemClock.elapsedRealtime(); 1392 if ((wallTimeEnd - wallTimeStart) > 3000) { 1393 Log.w(TAG, "startPreview() to " + (wallTimeEnd - wallTimeStart) + " ms. Thread time was" 1394 + (threadTimeEnd - threadTimeStart) / 1000000 + " ms."); 1395 } 1396 } 1397 1398 private void stopPreview() { 1399 if (mCameraDevice != null && mPreviewing) { 1400 mCameraDevice.stopPreview(); 1401 } 1402 mPreviewing = false; 1403 // If auto focus was in progress, it would have been canceled. 1404 clearFocusState(); 1405 } 1406 1407 void gotoGallery() { 1408 MenuHelper.gotoCameraImageGallery(this); 1409 } 1410 1411 private void viewLastImage() { 1412 if (mThumbController.isUriValid()) { 1413 Uri targetUri = mThumbController.getUri(); 1414 targetUri = targetUri.buildUpon(). 1415 appendQueryParameter("bucketId", ImageManager.CAMERA_IMAGE_BUCKET_ID).build(); 1416 Intent intent = new Intent(Intent.ACTION_VIEW, targetUri); 1417 intent.putExtra(MediaStore.EXTRA_SCREEN_ORIENTATION, 1418 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); 1419 intent.putExtra(MediaStore.EXTRA_FULL_SCREEN, true); 1420 intent.putExtra(MediaStore.EXTRA_SHOW_ACTION_ICONS, true); 1421 intent.putExtra("com.android.camera.ReviewMode", true); 1422 1423 try { 1424 startActivity(intent); 1425 } catch (android.content.ActivityNotFoundException ex) { 1426 // ignore. 1427 } 1428 } else { 1429 Log.e(TAG, "Can't view last image."); 1430 } 1431 } 1432 1433 void keep() { 1434 if (mCaptureObject != null) { 1435 mCaptureObject.dismissFreezeFrame(); 1436 } 1437 }; 1438 1439 private ImageManager.IImage getImageForURI(Uri uri) { 1440 ImageManager.IImageList list = ImageManager.instance().allImages( 1441 this, 1442 mContentResolver, 1443 dataLocation(), 1444 ImageManager.INCLUDE_IMAGES, 1445 ImageManager.SORT_ASCENDING); 1446 ImageManager.IImage image = list.getImageForUri(uri); 1447 list.deactivate(); 1448 return image; 1449 } 1450 1451 1452 private void startReceivingLocationUpdates() { 1453 if (mLocationManager != null) { 1454 try { 1455 mLocationManager.requestLocationUpdates( 1456 LocationManager.NETWORK_PROVIDER, 1457 1000, 1458 0F, 1459 mLocationListeners[1]); 1460 } catch (java.lang.SecurityException ex) { 1461 // ok 1462 } catch (IllegalArgumentException ex) { 1463 if (Config.LOGD) { 1464 Log.d(TAG, "provider does not exist " + ex.getMessage()); 1465 } 1466 } 1467 try { 1468 mLocationManager.requestLocationUpdates( 1469 LocationManager.GPS_PROVIDER, 1470 1000, 1471 0F, 1472 mLocationListeners[0]); 1473 } catch (java.lang.SecurityException ex) { 1474 // ok 1475 } catch (IllegalArgumentException ex) { 1476 if (Config.LOGD) { 1477 Log.d(TAG, "provider does not exist " + ex.getMessage()); 1478 } 1479 } 1480 } 1481 } 1482 1483 private void stopReceivingLocationUpdates() { 1484 if (mLocationManager != null) { 1485 for (int i = 0; i < mLocationListeners.length; i++) { 1486 try { 1487 mLocationManager.removeUpdates(mLocationListeners[i]); 1488 } catch (Exception ex) { 1489 // ok 1490 } 1491 } 1492 } 1493 } 1494 1495 private Location getCurrentLocation() { 1496 // go in best to worst order 1497 for (int i = 0; i < mLocationListeners.length; i++) { 1498 Location l = mLocationListeners[i].current(); 1499 if (l != null) return l; 1500 } 1501 return null; 1502 } 1503 1504 @Override 1505 public void onOptionsMenuClosed(Menu menu) { 1506 super.onOptionsMenuClosed(menu); 1507 if (mImageSavingItem) { 1508 // save the image if we presented the "advanced" menu 1509 // which happens if "menu" is pressed while in 1510 // SNAPSHOT_IN_PROGRESS or SNAPSHOT_COMPLETED modes 1511 keep(); 1512 mHandler.sendEmptyMessage(RESTART_PREVIEW); 1513 } 1514 } 1515 1516 @Override 1517 public boolean onMenuOpened(int featureId, Menu menu) { 1518 if (featureId == Window.FEATURE_OPTIONS_PANEL) { 1519 if (mStatus == SNAPSHOT_IN_PROGRESS) { 1520 cancelAutomaticPreviewRestart(); 1521 } 1522 } 1523 return super.onMenuOpened(featureId, menu); 1524 } 1525 1526 @Override 1527 public boolean onPrepareOptionsMenu(Menu menu) { 1528 super.onPrepareOptionsMenu(menu); 1529 1530 for (int i = 1; i <= MenuHelper.MENU_ITEM_MAX; i++) { 1531 if (i != MenuHelper.GENERIC_ITEM) { 1532 menu.setGroupVisible(i, false); 1533 } 1534 } 1535 1536 if (mStatus == SNAPSHOT_IN_PROGRESS || mStatus == SNAPSHOT_COMPLETED) { 1537 menu.setGroupVisible(MenuHelper.IMAGE_SAVING_ITEM, true); 1538 mImageSavingItem = true; 1539 } else { 1540 menu.setGroupVisible(MenuHelper.IMAGE_MODE_ITEM, true); 1541 mImageSavingItem = false; 1542 } 1543 1544 return true; 1545 } 1546 1547 private void cancelAutomaticPreviewRestart() { 1548 mKeepAndRestartPreview = false; 1549 mHandler.removeMessages(RESTART_PREVIEW); 1550 } 1551 1552 private boolean isImageCaptureIntent() { 1553 String action = getIntent().getAction(); 1554 return (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)); 1555 } 1556 1557 private void showPostCaptureAlert() { 1558 if (mIsImageCaptureIntent) { 1559 mPostCaptureAlert.setVisibility(View.VISIBLE); 1560 int[] pickIds = {R.id.attach, R.id.cancel}; 1561 for(int id : pickIds) { 1562 View view = mPostCaptureAlert.findViewById(id); 1563 view.setOnClickListener(this); 1564 Animation animation = new AlphaAnimation(0F, 1F); 1565 animation.setDuration(500); 1566 view.setAnimation(animation); 1567 } 1568 } 1569 } 1570 1571 private void hidePostCaptureAlert() { 1572 if (mIsImageCaptureIntent) { 1573 mPostCaptureAlert.setVisibility(View.INVISIBLE); 1574 } 1575 } 1576 1577 @Override 1578 public boolean onCreateOptionsMenu(Menu menu) { 1579 super.onCreateOptionsMenu(menu); 1580 1581 if (mIsImageCaptureIntent) { 1582 // No options menu for attach mode. 1583 return false; 1584 } else { 1585 addBaseMenuItems(menu); 1586 } 1587 return true; 1588 } 1589 1590 SelectedImageGetter mSelectedImageGetter = 1591 new SelectedImageGetter() { 1592 public ImageManager.IImage getCurrentImage() { 1593 return getImageForURI(getCurrentImageUri()); 1594 } 1595 public Uri getCurrentImageUri() { 1596 keep(); 1597 return mCaptureObject.getLastCaptureUri(); 1598 } 1599 }; 1600 1601 private int calculatePicturesRemaining() { 1602 mPicturesRemaining = MenuHelper.calculatePicturesRemaining(); 1603 return mPicturesRemaining; 1604 } 1605 1606 private void addBaseMenuItems(Menu menu) { 1607 MenuHelper.addSwitchModeMenuItem(menu, this, true); 1608 { 1609 MenuItem gallery = menu.add(MenuHelper.IMAGE_MODE_ITEM, MENU_GALLERY_PHOTOS, 0, R.string.camera_gallery_photos_text).setOnMenuItemClickListener(new OnMenuItemClickListener() { 1610 public boolean onMenuItemClick(MenuItem item) { 1611 gotoGallery(); 1612 return true; 1613 } 1614 }); 1615 gallery.setIcon(android.R.drawable.ic_menu_gallery); 1616 mGalleryItems.add(gallery); 1617 } 1618 { 1619 MenuItem gallery = menu.add(MenuHelper.VIDEO_MODE_ITEM, MENU_GALLERY_VIDEOS, 0, R.string.camera_gallery_photos_text).setOnMenuItemClickListener(new OnMenuItemClickListener() { 1620 public boolean onMenuItemClick(MenuItem item) { 1621 gotoGallery(); 1622 return true; 1623 } 1624 }); 1625 gallery.setIcon(android.R.drawable.ic_menu_gallery); 1626 mGalleryItems.add(gallery); 1627 } 1628 1629 MenuItem item = menu.add(MenuHelper.GENERIC_ITEM, MENU_SETTINGS, 0, R.string.settings).setOnMenuItemClickListener(new OnMenuItemClickListener() { 1630 public boolean onMenuItemClick(MenuItem item) { 1631 Intent intent = new Intent(); 1632 intent.setClass(Camera.this, CameraSettings.class); 1633 startActivity(intent); 1634 return true; 1635 } 1636 }); 1637 item.setIcon(android.R.drawable.ic_menu_preferences); 1638 } 1639} 1640 1641