/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.camera; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.util.ArrayList; import android.app.Activity; import android.content.BroadcastReceiver; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.SharedPreferences; import android.content.pm.ActivityInfo; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Matrix; import android.graphics.drawable.Drawable; import android.hardware.Camera.PictureCallback; import android.hardware.Camera.Size; import android.location.Location; import android.location.LocationManager; import android.location.LocationProvider; import android.media.AudioManager; import android.media.ToneGenerator; import android.net.Uri; import android.os.Bundle; import android.os.Debug; import android.os.Environment; import android.os.Handler; import android.os.Message; import android.os.SystemClock; import android.preference.PreferenceManager; import android.provider.MediaStore; import android.text.format.DateFormat; import android.util.Config; import android.util.Log; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; import android.view.MenuItem.OnMenuItemClickListener; import android.view.OrientationEventListener; import android.view.SurfaceHolder; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.widget.ImageView; import android.widget.Toast; public class Camera extends Activity implements View.OnClickListener, ShutterButton.OnShutterButtonListener, SurfaceHolder.Callback { private static final String TAG = "camera"; private static final boolean DEBUG = false; private static final boolean DEBUG_TIME_OPERATIONS = DEBUG && false; private static final int CROP_MSG = 1; private static final int RESTART_PREVIEW = 3; private static final int CLEAR_SCREEN_DELAY = 4; private static final int SCREEN_DELAY = 2 * 60 * 1000; private static final int FOCUS_BEEP_VOLUME = 100; public static final int MENU_SWITCH_TO_VIDEO = 0; public static final int MENU_SWITCH_TO_CAMERA = 1; public static final int MENU_FLASH_SETTING = 2; public static final int MENU_FLASH_AUTO = 3; public static final int MENU_FLASH_ON = 4; public static final int MENU_FLASH_OFF = 5; public static final int MENU_SETTINGS = 6; public static final int MENU_GALLERY_PHOTOS = 7; public static final int MENU_GALLERY_VIDEOS = 8; public static final int MENU_SAVE_SELECT_PHOTOS = 30; public static final int MENU_SAVE_NEW_PHOTO = 31; public static final int MENU_SAVE_GALLERY_PHOTO = 34; public static final int MENU_SAVE_GALLERY_VIDEO_PHOTO = 35; public static final int MENU_SAVE_CAMERA_DONE = 36; public static final int MENU_SAVE_CAMERA_VIDEO_DONE = 37; private OrientationEventListener mOrientationListener; private int mLastOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; private SharedPreferences mPreferences; private static final int IDLE = 1; private static final int SNAPSHOT_IN_PROGRESS = 2; private static final int SNAPSHOT_COMPLETED = 3; private int mStatus = IDLE; private static final String sTempCropFilename = "crop-temp"; private android.hardware.Camera mCameraDevice; private android.hardware.Camera.Parameters mParameters; private VideoPreview mSurfaceView; private SurfaceHolder mSurfaceHolder = null; private int mOriginalViewFinderWidth, mOriginalViewFinderHeight; private int mViewFinderWidth, mViewFinderHeight; private boolean mPreviewing = false; private Capturer mCaptureObject; private ImageCapture mImageCapture = null; private boolean mPausing = false; private static final int FOCUS_NOT_STARTED = 0; private static final int FOCUSING = 1; private static final int FOCUSING_SNAP_ON_FINISH = 2; private static final int FOCUS_SUCCESS = 3; private static final int FOCUS_FAIL = 4; private int mFocusState = FOCUS_NOT_STARTED; private static ContentResolver mContentResolver; private boolean mDidRegister = false; private ArrayList mGalleryItems = new ArrayList(); private LocationManager mLocationManager = null; private ShutterButton mShutterButton; private Animation mFocusBlinkAnimation; private View mFocusIndicator; private ImageView mGpsIndicator; private ToneGenerator mFocusToneGenerator; private ShutterCallback mShutterCallback = new ShutterCallback(); private RawPictureCallback mRawPictureCallback = new RawPictureCallback(); private AutoFocusCallback mAutoFocusCallback = new AutoFocusCallback(); private long mFocusStartTime; private long mFocusCallbackTime; private long mCaptureStartTime; private long mShutterCallbackTime; private long mRawPictureCallbackTime; private int mPicturesRemaining; private boolean mRecordLocation; private boolean mKeepAndRestartPreview; private boolean mIsImageCaptureIntent; // mPostCaptureAlert, mLastPictureButton, mThumbController // are non-null only if isImageCaptureIntent() is true. private View mPostCaptureAlert; private ImageView mLastPictureButton; private ThumbnailController mThumbController; private Handler mHandler = new MainHandler(); private interface Capturer { Uri getLastCaptureUri(); void onSnap(); void dismissFreezeFrame(); } /** This Handler is used to post message back onto the main thread of the application */ private class MainHandler extends Handler { @Override public void handleMessage(Message msg) { switch (msg.what) { case RESTART_PREVIEW: { if (mStatus == SNAPSHOT_IN_PROGRESS) { // We are still in the processing of taking the picture, wait. // This is strange. Why are we polling? // TODO remove polling mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, 100); } else if (mStatus == SNAPSHOT_COMPLETED){ mCaptureObject.dismissFreezeFrame(); hidePostCaptureAlert(); } break; } case CLEAR_SCREEN_DELAY: { getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); break; } } } }; LocationListener [] mLocationListeners = new LocationListener[] { new LocationListener(LocationManager.GPS_PROVIDER), new LocationListener(LocationManager.NETWORK_PROVIDER) }; private final BroadcastReceiver mReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) { // SD card available updateStorageHint(calculatePicturesRemaining()); } else if (action.equals(Intent.ACTION_MEDIA_UNMOUNTED) || action.equals(Intent.ACTION_MEDIA_CHECKING)) { // SD card unavailable mPicturesRemaining = MenuHelper.NO_STORAGE_ERROR; updateStorageHint(mPicturesRemaining); } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) { Toast.makeText(Camera.this, getResources().getString(R.string.wait), 5000); } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) { updateStorageHint(); } } }; private class LocationListener implements android.location.LocationListener { Location mLastLocation; boolean mValid = false; String mProvider; public LocationListener(String provider) { mProvider = provider; mLastLocation = new Location(mProvider); } public void onLocationChanged(Location newLocation) { if (newLocation.getLatitude() == 0.0 && newLocation.getLongitude() == 0.0) { // Hack to filter out 0.0,0.0 locations return; } // If GPS is available before start camera, we won't get status // update so update GPS indicator when we receive data. if (mRecordLocation && LocationManager.GPS_PROVIDER.equals(mProvider)) { mGpsIndicator.setVisibility(View.VISIBLE); } mLastLocation.set(newLocation); mValid = true; } public void onProviderEnabled(String provider) { } public void onProviderDisabled(String provider) { mValid = false; } public void onStatusChanged(String provider, int status, Bundle extras) { switch(status) { case LocationProvider.OUT_OF_SERVICE: case LocationProvider.TEMPORARILY_UNAVAILABLE: { mValid = false; if (mRecordLocation && LocationManager.GPS_PROVIDER.equals(provider)) { mGpsIndicator.setVisibility(View.INVISIBLE); } break; } } } public Location current() { return mValid ? mLastLocation : null; } }; private boolean mImageSavingItem = false; private final class ShutterCallback implements android.hardware.Camera.ShutterCallback { public void onShutter() { if (DEBUG_TIME_OPERATIONS) { mShutterCallbackTime = System.currentTimeMillis(); Log.v(TAG, "Shutter lag was " + (mShutterCallbackTime - mCaptureStartTime) + " ms."); } // We are going to change the size of surface view and show captured // image. Set it to invisible now and set it back to visible in // surfaceChanged() so that users won't see the image is resized on // the screen. mSurfaceView.setVisibility(View.INVISIBLE); // Resize the SurfaceView to the aspect-ratio of the still image // and so that we can see the full image that was taken. Size pictureSize = mParameters.getPictureSize(); mSurfaceView.setAspectRatio(pictureSize.width, pictureSize.height); } }; private final class RawPictureCallback implements PictureCallback { public void onPictureTaken(byte [] rawData, android.hardware.Camera camera) { if (Config.LOGV) Log.v(TAG, "got RawPictureCallback..."); mRawPictureCallbackTime = System.currentTimeMillis(); if (DEBUG_TIME_OPERATIONS) { Log.v(TAG, (mRawPictureCallbackTime - mShutterCallbackTime) + "ms elapsed between" + " ShutterCallback and RawPictureCallback."); } } }; private final class JpegPictureCallback implements PictureCallback { Location mLocation; public JpegPictureCallback(Location loc) { mLocation = loc; } public void onPictureTaken(byte [] jpegData, android.hardware.Camera camera) { if (mPausing) { return; } if (Config.LOGV) Log.v(TAG, "got JpegPictureCallback..."); if (DEBUG_TIME_OPERATIONS) { long mJpegPictureCallback = System.currentTimeMillis(); Log.v(TAG, (mJpegPictureCallback - mRawPictureCallbackTime) + "ms elapsed between" + " RawPictureCallback and JpegPictureCallback."); } if (jpegData != null) { mImageCapture.storeImage(jpegData, camera, mLocation); } mStatus = SNAPSHOT_COMPLETED; if (mKeepAndRestartPreview) { long delay = 1500 - (System.currentTimeMillis() - mRawPictureCallbackTime); mHandler.sendEmptyMessageDelayed(RESTART_PREVIEW, Math.max(delay, 0)); } } }; private final class AutoFocusCallback implements android.hardware.Camera.AutoFocusCallback { public void onAutoFocus(boolean focused, android.hardware.Camera camera) { if (DEBUG_TIME_OPERATIONS) { mFocusCallbackTime = System.currentTimeMillis(); Log.v(TAG, "Auto focus took " + (mFocusCallbackTime - mFocusStartTime) + " ms."); } if (mFocusState == FOCUSING_SNAP_ON_FINISH && mCaptureObject != null) { // Take the picture no matter focus succeeds or fails. // No need to play the AF sound if we're about to play the shutter sound. mCaptureObject.onSnap(); clearFocusState(); } else if (mFocusState == FOCUSING) { // User is half-pressing the focus key. Play the focus tone. // Do not take the picture now. ToneGenerator tg = mFocusToneGenerator; if (tg != null) tg.startTone(ToneGenerator.TONE_PROP_BEEP2); if (focused) { mFocusState = FOCUS_SUCCESS; } else { mFocusState = FOCUS_FAIL; } } else if (mFocusState == FOCUS_NOT_STARTED) { // User has released the focus key before focus completes. // Do nothing. } updateFocusIndicator(); } }; private class ImageCapture implements Capturer { private boolean mCancel = false; private boolean mCapturing = false; private Uri mLastContentUri; private ImageManager.IAddImage_cancelable mAddImageCancelable; Bitmap mCaptureOnlyBitmap; /** These member variables are used for various debug timings */ private long mThreadTimeStart; private long mThreadTimeEnd; private long mWallTimeStart; private long mWallTimeEnd; public ImageCapture() { } /** * This method sets whether or not we are capturing a picture. This method must be called * with the ImageCapture.this lock held. */ public void setCapturingLocked(boolean capturing) { mCapturing = capturing; } public void dismissFreezeFrame() { if (mStatus == SNAPSHOT_IN_PROGRESS) { // If we are still in the process of taking a picture, then just post a message. mHandler.sendEmptyMessage(RESTART_PREVIEW); } else { restartPreview(); } } private void startTiming() { mWallTimeStart = SystemClock.elapsedRealtime(); mThreadTimeStart = Debug.threadCpuTimeNanos(); } private void stopTiming() { mThreadTimeEnd = Debug.threadCpuTimeNanos(); mWallTimeEnd = SystemClock.elapsedRealtime(); } private void storeImage(byte[] data, Location loc) { try { if (DEBUG_TIME_OPERATIONS) { startTiming(); } long dateTaken = System.currentTimeMillis(); String name = createName(dateTaken) + ".jpg"; mLastContentUri = ImageManager.instance().addImage( Camera.this, mContentResolver, name, "", dateTaken, // location for the database goes here loc, 0, // the dsp will use the right orientation so don't "double set it" ImageManager.CAMERA_IMAGE_BUCKET_NAME, name); if (mLastContentUri == null) { // this means we got an error mCancel = true; } if (!mCancel) { mAddImageCancelable = ImageManager.instance().storeImage(mLastContentUri, Camera.this, mContentResolver, 0, null, data); mAddImageCancelable.get(); mAddImageCancelable = null; } if (DEBUG_TIME_OPERATIONS) { stopTiming(); Log.d(TAG, "Storing image took " + (mWallTimeEnd - mWallTimeStart) + " ms. " + "Thread time was " + ((mThreadTimeEnd - mThreadTimeStart) / 1000000) + " ms."); } } catch (Exception ex) { Log.e(TAG, "Exception while compressing image.", ex); } } public void storeImage(byte[] data, android.hardware.Camera camera, Location loc) { boolean captureOnly = mIsImageCaptureIntent; if (!captureOnly) { storeImage(data, loc); sendBroadcast(new Intent("com.android.camera.NEW_PICTURE", mLastContentUri)); setLastPictureThumb(data, mCaptureObject.getLastCaptureUri()); dismissFreezeFrame(); } else { BitmapFactory.Options options = new BitmapFactory.Options(); options.inSampleSize = 4; if (DEBUG_TIME_OPERATIONS) { startTiming(); } mCaptureOnlyBitmap = BitmapFactory.decodeByteArray(data, 0, data.length, options); if (DEBUG_TIME_OPERATIONS) { stopTiming(); Log.d(TAG, "Decoded mCaptureOnly bitmap (" + mCaptureOnlyBitmap.getWidth() + "x" + mCaptureOnlyBitmap.getHeight() + " ) in " + (mWallTimeEnd - mWallTimeStart) + " ms. Thread time was " + ((mThreadTimeEnd - mThreadTimeStart) / 1000000) + " ms."); } showPostCaptureAlert(); cancelAutomaticPreviewRestart(); } mCapturing = false; if (mPausing) { closeCamera(); } } /* * Initiate the capture of an image. */ public void initiate(boolean captureOnly) { if (mCameraDevice == null) { return; } mCancel = false; mCapturing = true; capture(captureOnly); } public Uri getLastCaptureUri() { return mLastContentUri; } public Bitmap getLastBitmap() { return mCaptureOnlyBitmap; } private void capture(boolean captureOnly) { mPreviewing = false; mCaptureOnlyBitmap = null; final int latchedOrientation = ImageManager.roundOrientation(mLastOrientation + 90); Location loc = mRecordLocation ? getCurrentLocation() : null; // Quality 75 has visible artifacts, and quality 90 looks great but the files begin to // get large. 85 is a good compromise between the two. mParameters.set("jpeg-quality", 85); mParameters.set("rotation", latchedOrientation); mParameters.remove("gps-latitude"); mParameters.remove("gps-longitude"); mParameters.remove("gps-altitude"); mParameters.remove("gps-timestamp"); if (loc != null) { double lat = loc.getLatitude(); double lon = loc.getLongitude(); boolean hasLatLon = (lat != 0.0d) || (lon != 0.0d); if (hasLatLon) { String latString = String.valueOf(lat); String lonString = String.valueOf(lon); mParameters.set("gps-latitude", latString); mParameters.set("gps-longitude", lonString); if (loc.hasAltitude()) { mParameters.set("gps-altitude", String.valueOf(loc.getAltitude())); } else { // for NETWORK_PROVIDER location provider, we may have // no altitude information, but the driver needs it, so // we fake one. mParameters.set("gps-altitude", "0"); } if (loc.getTime() != 0) { // Location.getTime() is UTC in milliseconds. // gps-timestamp is UTC in seconds. long utcTimeSeconds = loc.getTime() / 1000; mParameters.set("gps-timestamp", String.valueOf(utcTimeSeconds)); } } else { loc = null; } } mCameraDevice.setParameters(mParameters); mCameraDevice.takePicture(mShutterCallback, mRawPictureCallback, new JpegPictureCallback(loc)); } public void onSnap() { if (mPausing) { return; } if (DEBUG_TIME_OPERATIONS) mCaptureStartTime = System.currentTimeMillis(); // If we are already in the middle of taking a snapshot then we should just save // the image after we have returned from the camera service. if (mStatus == SNAPSHOT_IN_PROGRESS || mStatus == SNAPSHOT_COMPLETED) { mKeepAndRestartPreview = true; mHandler.sendEmptyMessage(RESTART_PREVIEW); return; } // Don't check the filesystem here, we can't afford the latency. Instead, check the // cached value which was calculated when the preview was restarted. if (mPicturesRemaining < 1) { updateStorageHint(mPicturesRemaining); return; } mStatus = SNAPSHOT_IN_PROGRESS; mKeepAndRestartPreview = true; boolean getContentAction = mIsImageCaptureIntent; if (getContentAction) { mImageCapture.initiate(true); } else { mImageCapture.initiate(false); } } private void clearLastBitmap() { if (mCaptureOnlyBitmap != null) { mCaptureOnlyBitmap.recycle(); mCaptureOnlyBitmap = null; } } } private void setLastPictureThumb(byte[] data, Uri uri) { BitmapFactory.Options options = new BitmapFactory.Options(); options.inSampleSize = 16; Bitmap lastPictureThumb = BitmapFactory.decodeByteArray(data, 0, data.length, options); mThumbController.setData(uri, lastPictureThumb); } static private String createName(long dateTaken) { return DateFormat.format("yyyy-MM-dd kk.mm.ss", dateTaken).toString(); } static public Matrix GetDisplayMatrix(Bitmap b, ImageView v) { Matrix m = new Matrix(); float bw = (float)b.getWidth(); float bh = (float)b.getHeight(); float vw = (float)v.getWidth(); float vh = (float)v.getHeight(); float scale, x, y; if (bw*vh > vw*bh) { scale = vh / bh; x = (vw - scale*bw)*0.5F; y = 0; } else { scale = vw / bw; x = 0; y = (vh - scale*bh)*0.5F; } m.setScale(scale, scale, 0.5F, 0.5F); m.postTranslate(x, y); return m; } /** Called with the activity is first created. */ @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); // To reduce startup time, we open camera device in another thread. // We make sure the camera is opened at the end of onCreate. Thread openCameraThread = new Thread(new Runnable() { public void run() { mCameraDevice = android.hardware.Camera.open(); } }); openCameraThread.start(); // To reduce startup time, we run some service creation code in another thread. // We make sure the services are loaded at the end of onCreate(). Thread loadServiceThread = new Thread(new Runnable() { public void run() { mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); mOrientationListener = new OrientationEventListener(Camera.this) { public void onOrientationChanged(int orientation) { // We keep the last known orientation. So if the user // first orient the camera then point the camera to // floor/sky, we still have the correct orientation. if (orientation != ORIENTATION_UNKNOWN) mLastOrientation = orientation; } }; } }); loadServiceThread.start(); mPreferences = PreferenceManager.getDefaultSharedPreferences(this); mContentResolver = getContentResolver(); Window win = getWindow(); win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); setContentView(R.layout.camera); mSurfaceView = (VideoPreview) findViewById(R.id.camera_preview); mGpsIndicator = (ImageView) findViewById(R.id.gps_indicator); // don't set mSurfaceHolder here. We have it set ONLY within // surfaceCreated / surfaceDestroyed, other parts of the code // assume that when it is set, the surface is also set. SurfaceHolder holder = mSurfaceView.getHolder(); holder.addCallback(this); holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); mIsImageCaptureIntent = isImageCaptureIntent(); if (!mIsImageCaptureIntent) { mLastPictureButton = (ImageView) findViewById(R.id.last_picture_button); mLastPictureButton.setOnClickListener(this); Drawable frame = getResources().getDrawable(R.drawable.frame_thumbnail); mThumbController = new ThumbnailController(mLastPictureButton, frame, mContentResolver); mThumbController.loadData(ImageManager.getLastImageThumbPath()); } mShutterButton = (ShutterButton) findViewById(R.id.shutter_button); mShutterButton.setOnShutterButtonListener(this); mFocusIndicator = findViewById(R.id.focus_indicator); mFocusBlinkAnimation = AnimationUtils.loadAnimation(this, R.anim.auto_focus_blink); mFocusBlinkAnimation.setRepeatCount(Animation.INFINITE); mFocusBlinkAnimation.setRepeatMode(Animation.REVERSE); // We load the post_picture_panel layout only if it is needed. if (mIsImageCaptureIntent) { ViewGroup cameraView = (ViewGroup)findViewById(R.id.camera); getLayoutInflater().inflate(R.layout.post_picture_panel, cameraView); mPostCaptureAlert = findViewById(R.id.post_picture_panel); } // Make sure the services are loaded. try { openCameraThread.join(); loadServiceThread.join(); } catch (InterruptedException ex) { } ImageManager.ensureOSXCompatibleFolder(); } @Override public void onStart() { super.onStart(); Thread t = new Thread(new Runnable() { public void run() { final boolean storageOK = calculatePicturesRemaining() > 0; if (!storageOK) { mHandler.post(new Runnable() { public void run() { updateStorageHint(mPicturesRemaining); } }); } } }); t.start(); } public void onClick(View v) { switch (v.getId()) { case R.id.last_picture_button: if (mStatus == IDLE && mFocusState == FOCUS_NOT_STARTED) { viewLastImage(); } break; case R.id.attach: doAttach(); break; case R.id.cancel: doCancel(); } } private void doAttach() { if (mPausing) { return; } Bitmap bitmap = mImageCapture.getLastBitmap(); String cropValue = null; Uri saveUri = null; Bundle myExtras = getIntent().getExtras(); if (myExtras != null) { saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); cropValue = myExtras.getString("crop"); } if (cropValue == null) { /* * First handle the no crop case -- just return the value. If the caller * specifies a "save uri" then write the data to it's stream. Otherwise, * pass back a scaled down version of the bitmap directly in the extras. */ if (saveUri != null) { OutputStream outputStream = null; try { outputStream = mContentResolver.openOutputStream(saveUri); bitmap.compress(Bitmap.CompressFormat.JPEG, 75, outputStream); outputStream.close(); setResult(RESULT_OK); finish(); } catch (IOException ex) { // } finally { if (outputStream != null) { try { outputStream.close(); } catch (IOException ex) { } } } } else { float scale = .5F; Matrix m = new Matrix(); m.setScale(scale, scale); bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true); setResult(RESULT_OK, new Intent("inline-data").putExtra("data", bitmap)); finish(); } } else { /* * Save the image to a temp file and invoke the cropper */ Uri tempUri = null; FileOutputStream tempStream = null; try { File path = getFileStreamPath(sTempCropFilename); path.delete(); tempStream = openFileOutput(sTempCropFilename, 0); bitmap.compress(Bitmap.CompressFormat.JPEG, 75, tempStream); tempStream.close(); tempUri = Uri.fromFile(path); } catch (FileNotFoundException ex) { setResult(Activity.RESULT_CANCELED); finish(); return; } catch (IOException ex) { setResult(Activity.RESULT_CANCELED); finish(); return; } finally { if (tempStream != null) { try { tempStream.close(); } catch (IOException ex) { } } } Bundle newExtras = new Bundle(); if (cropValue.equals("circle")) newExtras.putString("circleCrop", "true"); if (saveUri != null) newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, saveUri); else newExtras.putBoolean("return-data", true); Intent cropIntent = new Intent(); cropIntent.setClass(Camera.this, CropImage.class); cropIntent.setData(tempUri); cropIntent.putExtras(newExtras); startActivityForResult(cropIntent, CROP_MSG); } } private void doCancel() { setResult(RESULT_CANCELED, new Intent()); finish(); } public void onShutterButtonFocus(ShutterButton button, boolean pressed) { if (mPausing) { return; } switch (button.getId()) { case R.id.shutter_button: doFocus(pressed); break; } } public void onShutterButtonClick(ShutterButton button) { if (mPausing) { return; } switch (button.getId()) { case R.id.shutter_button: doSnap(); break; } } private void updateStorageHint() { updateStorageHint(MenuHelper.calculatePicturesRemaining()); } private OnScreenHint mStorageHint; private void updateStorageHint(int remaining) { String noStorageText = null; if (remaining == MenuHelper.NO_STORAGE_ERROR) { String state = Environment.getExternalStorageState(); if (state == Environment.MEDIA_CHECKING) { noStorageText = getString(R.string.preparing_sd); } else { noStorageText = getString(R.string.no_storage); } } else if (remaining < 1) { noStorageText = getString(R.string.not_enough_space); } if (noStorageText != null) { if (mStorageHint == null) { mStorageHint = OnScreenHint.makeText(this, noStorageText); } else { mStorageHint.setText(noStorageText); } mStorageHint.show(); } else if (mStorageHint != null) { mStorageHint.cancel(); mStorageHint = null; } } @Override public void onResume() { super.onResume(); mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); mPausing = false; mOrientationListener.enable(); mRecordLocation = mPreferences.getBoolean( "pref_camera_recordlocation_key", false); mGpsIndicator.setVisibility(View.INVISIBLE); // install an intent filter to receive SD card related events. IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_MOUNTED); intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED); intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED); intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING); intentFilter.addDataScheme("file"); registerReceiver(mReceiver, intentFilter); mDidRegister = true; mImageCapture = new ImageCapture(); restartPreview(); if (mRecordLocation) startReceivingLocationUpdates(); updateFocusIndicator(); try { mFocusToneGenerator = new ToneGenerator(AudioManager.STREAM_SYSTEM, FOCUS_BEEP_VOLUME); } catch (RuntimeException e) { Log.w(TAG, "Exception caught while creating local tone generator: " + e); mFocusToneGenerator = null; } } private static ImageManager.DataLocation dataLocation() { return ImageManager.DataLocation.EXTERNAL; } @Override public void onStop() { keep(); stopPreview(); closeCamera(); mHandler.removeMessages(CLEAR_SCREEN_DELAY); super.onStop(); } @Override protected void onPause() { keep(); mPausing = true; mOrientationListener.disable(); stopPreview(); if (!mImageCapture.mCapturing) { closeCamera(); } if (mDidRegister) { unregisterReceiver(mReceiver); mDidRegister = false; } stopReceivingLocationUpdates(); if (mFocusToneGenerator != null) { mFocusToneGenerator.release(); mFocusToneGenerator = null; } if (!mIsImageCaptureIntent) { mThumbController.storeData(ImageManager.getLastImageThumbPath()); } if (mStorageHint != null) { mStorageHint.cancel(); mStorageHint = null; } // If we are in an image capture intent and has taken // a picture, we just clear it in onPause. mImageCapture.clearLastBitmap(); mImageCapture = null; hidePostCaptureAlert(); super.onPause(); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { switch (requestCode) { case CROP_MSG: { Intent intent = new Intent(); if (data != null) { Bundle extras = data.getExtras(); if (extras != null) { intent.putExtras(extras); } } setResult(resultCode, intent); finish(); File path = getFileStreamPath(sTempCropFilename); path.delete(); break; } } } private void autoFocus() { updateFocusIndicator(); if (mFocusState != FOCUSING && mFocusState != FOCUSING_SNAP_ON_FINISH) { if (mCameraDevice != null) { if (DEBUG_TIME_OPERATIONS) { mFocusStartTime = System.currentTimeMillis(); } mFocusState = FOCUSING; mCameraDevice.autoFocus(mAutoFocusCallback); } } } private void clearFocusState() { mFocusState = FOCUS_NOT_STARTED; } private void updateFocusIndicator() { mHandler.post(new Runnable() { public void run() { if (mFocusState == FOCUS_SUCCESS) { mFocusIndicator.setVisibility(View.VISIBLE); mFocusIndicator.clearAnimation(); } else if (mFocusState == FOCUS_FAIL) { mFocusIndicator.setVisibility(View.VISIBLE); mFocusIndicator.startAnimation(mFocusBlinkAnimation); } else { mFocusIndicator.setVisibility(View.GONE); mFocusIndicator.clearAnimation(); } } }); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); switch (keyCode) { case KeyEvent.KEYCODE_BACK: if (mStatus == SNAPSHOT_IN_PROGRESS) { // ignore backs while we're taking a picture return true; } break; case KeyEvent.KEYCODE_FOCUS: if (event.getRepeatCount() == 0) { doFocus(true); } return true; case KeyEvent.KEYCODE_CAMERA: if (event.getRepeatCount() == 0) { doSnap(); } return true; case KeyEvent.KEYCODE_DPAD_CENTER: // If we get a dpad center event without any focused view, move the // focus to the shutter button and press it. if (event.getRepeatCount() == 0) { // Start auto-focus immediately to reduce shutter lag. After the shutter button // gets the focus, doFocus() will be called again but it is fine. doFocus(true); if (mShutterButton.isInTouchMode()) { mShutterButton.requestFocusFromTouch(); } else { mShutterButton.requestFocus(); } mShutterButton.setPressed(true); } return true; } return super.onKeyDown(keyCode, event); } @Override public boolean onKeyUp(int keyCode, KeyEvent event) { switch (keyCode) { case KeyEvent.KEYCODE_FOCUS: doFocus(false); return true; } return super.onKeyUp(keyCode, event); } private void doSnap() { // If the user has half-pressed the shutter and focus is completed, we // can take the photo right away. if ((mFocusState == FOCUS_SUCCESS || mFocusState == FOCUS_FAIL) || !mPreviewing) { // doesn't get set until the idler runs if (mCaptureObject != null) { mCaptureObject.onSnap(); } clearFocusState(); updateFocusIndicator(); } else if (mFocusState == FOCUSING) { // Half pressing the shutter (i.e. the focus button event) will // already have requested AF for us, so just request capture on // focus here. mFocusState = FOCUSING_SNAP_ON_FINISH; } else if (mFocusState == FOCUS_NOT_STARTED) { // Focus key down event is dropped for some reasons. Just ignore. } } private void doFocus(boolean pressed) { if (pressed) { // Focus key down. if (mPreviewing) { autoFocus(); } else if (mCaptureObject != null) { // Save and restart preview mCaptureObject.onSnap(); } } else { // Focus key up. if (mFocusState != FOCUSING_SNAP_ON_FINISH) { // User releases half-pressed focus key. clearFocusState(); updateFocusIndicator(); } } } public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { mSurfaceView.setVisibility(View.VISIBLE); // if we're creating the surface, start the preview as well. boolean preview = holder.isCreating(); setViewFinder(w, h, preview); mCaptureObject = mImageCapture; } public void surfaceCreated(SurfaceHolder holder) { mSurfaceHolder = holder; } public void surfaceDestroyed(SurfaceHolder holder) { stopPreview(); mSurfaceHolder = null; } private void closeCamera() { if (mCameraDevice != null) { mCameraDevice.release(); mCameraDevice = null; mPreviewing = false; } } private boolean ensureCameraDevice() { if (mCameraDevice == null) { mCameraDevice = android.hardware.Camera.open(); } return mCameraDevice != null; } private void updateLastImage() { ImageManager.IImageList list = ImageManager.instance().allImages( this, mContentResolver, dataLocation(), ImageManager.INCLUDE_IMAGES, ImageManager.SORT_ASCENDING, ImageManager.CAMERA_IMAGE_BUCKET_ID); int count = list.getCount(); if (count > 0) { ImageManager.IImage image = list.getImageAt(count-1); Uri uri = image.fullSizeImageUri(); mThumbController.setData(uri, image.miniThumbBitmap()); } else { mThumbController.setData(null, null); } list.deactivate(); } private void restartPreview() { VideoPreview surfaceView = mSurfaceView; // make sure the surfaceview fills the whole screen when previewing surfaceView.setAspectRatio(VideoPreview.DONT_CARE); setViewFinder(mOriginalViewFinderWidth, mOriginalViewFinderHeight, true); mStatus = IDLE; // Calculate this in advance of each shot so we don't add to shutter latency. It's true that // someone else could write to the SD card in the mean time and fill it, but that could have // happened between the shutter press and saving the JPEG too. // TODO: The best longterm solution is to write a reserve file of maximum JPEG size, always // let the user take a picture, and delete that file if needed to save the new photo. calculatePicturesRemaining(); if (!mIsImageCaptureIntent && !mThumbController.isUriValid()) { updateLastImage(); } if (!mIsImageCaptureIntent) { mThumbController.updateDisplayIfNeeded(); } } private void setViewFinder(int w, int h, boolean startPreview) { if (mPausing) return; if (mPreviewing && w == mViewFinderWidth && h == mViewFinderHeight) { return; } if (!ensureCameraDevice()) return; if (mSurfaceHolder == null) return; if (isFinishing()) return; if (mPausing) return; // remember view finder size mViewFinderWidth = w; mViewFinderHeight = h; if (mOriginalViewFinderHeight == 0) { mOriginalViewFinderWidth = w; mOriginalViewFinderHeight = h; } if (startPreview == false) return; /* * start the preview if we're asked to... */ // we want to start the preview and we're previewing already, // stop the preview first (this will blank the screen). if (mPreviewing) stopPreview(); // this blanks the screen if the surface changed, no-op otherwise try { mCameraDevice.setPreviewDisplay(mSurfaceHolder); } catch (IOException exception) { mCameraDevice.release(); mCameraDevice = null; // TODO: add more exception handling logic here return; } // request the preview size, the hardware may not honor it, // if we depended on it we would have to query the size again mParameters = mCameraDevice.getParameters(); mParameters.setPreviewSize(w, h); try { mCameraDevice.setParameters(mParameters); } catch (IllegalArgumentException e) { // Ignore this error, it happens in the simulator. } final long wallTimeStart = SystemClock.elapsedRealtime(); final long threadTimeStart = Debug.threadCpuTimeNanos(); final Object watchDogSync = new Object(); Thread watchDog = new Thread(new Runnable() { public void run() { int next_warning = 1; while (true) { try { synchronized (watchDogSync) { watchDogSync.wait(1000); } } catch (InterruptedException ex) { // } if (mPreviewing) break; int delay = (int) (SystemClock.elapsedRealtime() - wallTimeStart) / 1000; if (delay >= next_warning) { if (delay < 120) { Log.e(TAG, "preview hasn't started yet in " + delay + " seconds"); } else { Log.e(TAG, "preview hasn't started yet in " + (delay / 60) + " minutes"); } if (next_warning < 60) { next_warning <<= 1; if (next_warning == 16) { next_warning = 15; } } else { next_warning += 60; } } } } }); watchDog.start(); if (Config.LOGV) Log.v(TAG, "calling mCameraDevice.startPreview"); try { mCameraDevice.startPreview(); } catch (Throwable e) { // TODO: change Throwable to IOException once android.hardware.Camera.startPreview // properly declares that it throws IOException. } mPreviewing = true; synchronized (watchDogSync) { watchDogSync.notify(); } long threadTimeEnd = Debug.threadCpuTimeNanos(); long wallTimeEnd = SystemClock.elapsedRealtime(); if ((wallTimeEnd - wallTimeStart) > 3000) { Log.w(TAG, "startPreview() to " + (wallTimeEnd - wallTimeStart) + " ms. Thread time was" + (threadTimeEnd - threadTimeStart) / 1000000 + " ms."); } } private void stopPreview() { if (mCameraDevice != null && mPreviewing) { mCameraDevice.stopPreview(); } mPreviewing = false; // If auto focus was in progress, it would have been canceled. clearFocusState(); } void gotoGallery() { MenuHelper.gotoCameraImageGallery(this); } private void viewLastImage() { if (mThumbController.isUriValid()) { Uri targetUri = mThumbController.getUri(); targetUri = targetUri.buildUpon(). appendQueryParameter("bucketId", ImageManager.CAMERA_IMAGE_BUCKET_ID).build(); Intent intent = new Intent(Intent.ACTION_VIEW, targetUri); intent.putExtra(MediaStore.EXTRA_SCREEN_ORIENTATION, ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); intent.putExtra(MediaStore.EXTRA_FULL_SCREEN, true); intent.putExtra(MediaStore.EXTRA_SHOW_ACTION_ICONS, true); intent.putExtra("com.android.camera.ReviewMode", true); try { startActivity(intent); } catch (android.content.ActivityNotFoundException ex) { // ignore. } } else { Log.e(TAG, "Can't view last image."); } } void keep() { if (mCaptureObject != null) { mCaptureObject.dismissFreezeFrame(); } }; private ImageManager.IImage getImageForURI(Uri uri) { ImageManager.IImageList list = ImageManager.instance().allImages( this, mContentResolver, dataLocation(), ImageManager.INCLUDE_IMAGES, ImageManager.SORT_ASCENDING); ImageManager.IImage image = list.getImageForUri(uri); list.deactivate(); return image; } private void startReceivingLocationUpdates() { if (mLocationManager != null) { try { mLocationManager.requestLocationUpdates( LocationManager.NETWORK_PROVIDER, 1000, 0F, mLocationListeners[1]); } catch (java.lang.SecurityException ex) { // ok } catch (IllegalArgumentException ex) { if (Config.LOGD) { Log.d(TAG, "provider does not exist " + ex.getMessage()); } } try { mLocationManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 1000, 0F, mLocationListeners[0]); } catch (java.lang.SecurityException ex) { // ok } catch (IllegalArgumentException ex) { if (Config.LOGD) { Log.d(TAG, "provider does not exist " + ex.getMessage()); } } } } private void stopReceivingLocationUpdates() { if (mLocationManager != null) { for (int i = 0; i < mLocationListeners.length; i++) { try { mLocationManager.removeUpdates(mLocationListeners[i]); } catch (Exception ex) { // ok } } } } private Location getCurrentLocation() { // go in best to worst order for (int i = 0; i < mLocationListeners.length; i++) { Location l = mLocationListeners[i].current(); if (l != null) return l; } return null; } @Override public void onOptionsMenuClosed(Menu menu) { super.onOptionsMenuClosed(menu); if (mImageSavingItem) { // save the image if we presented the "advanced" menu // which happens if "menu" is pressed while in // SNAPSHOT_IN_PROGRESS or SNAPSHOT_COMPLETED modes keep(); mHandler.sendEmptyMessage(RESTART_PREVIEW); } } @Override public boolean onMenuOpened(int featureId, Menu menu) { if (featureId == Window.FEATURE_OPTIONS_PANEL) { if (mStatus == SNAPSHOT_IN_PROGRESS) { cancelAutomaticPreviewRestart(); } } return super.onMenuOpened(featureId, menu); } @Override public boolean onPrepareOptionsMenu(Menu menu) { super.onPrepareOptionsMenu(menu); for (int i = 1; i <= MenuHelper.MENU_ITEM_MAX; i++) { if (i != MenuHelper.GENERIC_ITEM) { menu.setGroupVisible(i, false); } } if (mStatus == SNAPSHOT_IN_PROGRESS || mStatus == SNAPSHOT_COMPLETED) { menu.setGroupVisible(MenuHelper.IMAGE_SAVING_ITEM, true); mImageSavingItem = true; } else { menu.setGroupVisible(MenuHelper.IMAGE_MODE_ITEM, true); mImageSavingItem = false; } return true; } private void cancelAutomaticPreviewRestart() { mKeepAndRestartPreview = false; mHandler.removeMessages(RESTART_PREVIEW); } private boolean isImageCaptureIntent() { String action = getIntent().getAction(); return (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)); } private void showPostCaptureAlert() { if (mIsImageCaptureIntent) { mPostCaptureAlert.setVisibility(View.VISIBLE); int[] pickIds = {R.id.attach, R.id.cancel}; for(int id : pickIds) { View view = mPostCaptureAlert.findViewById(id); view.setOnClickListener(this); Animation animation = new AlphaAnimation(0F, 1F); animation.setDuration(500); view.setAnimation(animation); } } } private void hidePostCaptureAlert() { if (mIsImageCaptureIntent) { mPostCaptureAlert.setVisibility(View.INVISIBLE); } } @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); if (mIsImageCaptureIntent) { // No options menu for attach mode. return false; } else { addBaseMenuItems(menu); } return true; } SelectedImageGetter mSelectedImageGetter = new SelectedImageGetter() { public ImageManager.IImage getCurrentImage() { return getImageForURI(getCurrentImageUri()); } public Uri getCurrentImageUri() { keep(); return mCaptureObject.getLastCaptureUri(); } }; private int calculatePicturesRemaining() { mPicturesRemaining = MenuHelper.calculatePicturesRemaining(); return mPicturesRemaining; } private void addBaseMenuItems(Menu menu) { MenuHelper.addSwitchModeMenuItem(menu, this, true); { MenuItem gallery = menu.add(MenuHelper.IMAGE_MODE_ITEM, MENU_GALLERY_PHOTOS, 0, R.string.camera_gallery_photos_text).setOnMenuItemClickListener(new OnMenuItemClickListener() { public boolean onMenuItemClick(MenuItem item) { gotoGallery(); return true; } }); gallery.setIcon(android.R.drawable.ic_menu_gallery); mGalleryItems.add(gallery); } { MenuItem gallery = menu.add(MenuHelper.VIDEO_MODE_ITEM, MENU_GALLERY_VIDEOS, 0, R.string.camera_gallery_photos_text).setOnMenuItemClickListener(new OnMenuItemClickListener() { public boolean onMenuItemClick(MenuItem item) { gotoGallery(); return true; } }); gallery.setIcon(android.R.drawable.ic_menu_gallery); mGalleryItems.add(gallery); } MenuItem item = menu.add(MenuHelper.GENERIC_ITEM, MENU_SETTINGS, 0, R.string.settings).setOnMenuItemClickListener(new OnMenuItemClickListener() { public boolean onMenuItemClick(MenuItem item) { Intent intent = new Intent(); intent.setClass(Camera.this, CameraSettings.class); startActivity(intent); return true; } }); item.setIcon(android.R.drawable.ic_menu_preferences); } }