このメソッドを使用すると、私にとっては問題なく動作します。実際、surfaceview は v1.setDrawingCacheEnabled(true) では動作しません 私はこのコードを使用してこれを行います。
jpegCallback = new PictureCallback() {
public void onPictureTaken(byte[] data, Camera camera) {
camera.startPreview();
Bitmap cameraBitmap = BitmapFactory.decodeByteArray
(data, 0, data.length);
Matrix matrix = new Matrix();
matrix.postRotate(90);
pd = new ProgressDialog(MainActivity.this);
pd.setProgressStyle(ProgressDialog.STYLE_SPINNER);
pd.setTitle("Wait!");
pd.setMessage("capturing image.........");
pd.setIndeterminate(false);
pd.show();
progressStatus = 0;
new Thread(new Runnable() {
@Override
public void run() {
while (progressStatus < 100) {
// Update the progress status
progressStatus += 1;
try {
Thread.sleep(20);
} catch (InterruptedException e) {
e.printStackTrace();
}
handler.post(new Runnable() {
@Override
public void run() {
// Update the progress status
pd.setProgress(progressStatus);
// If task execution completed
if (progressStatus == 100) {
// Dismiss/hide the progress dialog
pd.dismiss();
}
}
});
}
}
}).start();
Bitmap rotatedBitmap = Bitmap.createBitmap(cameraBitmap, 0, 0, cameraBitmap.getWidth(), cameraBitmap.getHeight(), matrix, true);
if (rotatedBitmap != null) {
rotatedBitmap = combinebitmap(rotatedBitmap, bitmapMap);
Random num = new Random();
int nu = num.nextInt(1000);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
rotatedBitmap.compress(Bitmap.CompressFormat.JPEG, 100, bos);
byte[] bitmapdata = bos.toByteArray();
ByteArrayInputStream fis = new ByteArrayInputStream(bitmapdata);
String picId = String.valueOf(nu);
String myfile = "Ghost" + picId + ".jpeg";
File dir_image = new File(Environment.getExternalStorageDirectory() +//<---
File.separator + "LiveCamera"); //<---
dir_image.mkdirs(); //<---
try {
File tmpFile = new File(dir_image, myfile);
FileOutputStream fos = new FileOutputStream(tmpFile);
byte[] buf = new byte[1024];
int len;
while ((len = fis.read(buf)) > 0) {
fos.write(buf, 0, len);
}
fis.close();
fos.close();
Toast.makeText(getApplicationContext(),
" Image saved at :LiveCamera", Toast.LENGTH_LONG).show();
camera.startPreview();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
MediaScannerConnection.scanFile(MainActivity.this,
new String[]{dir_image.toString()}, null,
new MediaScannerConnection.OnScanCompletedListener() {
public void onScanCompleted(String path, Uri uri) {
}
});
safeToTakePicture = true;
}
}
};