拍攝的照片在我的應用程序後,當我把相機意圖通過:安卓:無法調用onActivityResult()方法,通過相機
Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(cameraIntent, CAMERA_REQUEST);
它不叫onActivityResult()
方法。
在我的應用程序中的問題是,有一段時間它調用此方法,但捕獲照片後的一段時間它再次來到照片捕獲屏幕。
在拍攝照片之前,我在onSaveInstanceState()
之後保存了很多數據,之後我通過onRestoreInstanceState()
收集了這些數據。
這裏我不知道爲什麼有時候會調用onActivityResult()
方法,但是有一段時間這個方法在進入拍照模式後不會調用。
onActivityResult()代碼:
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
String fileName = null;
try {
if (requestCode == CAMERA_REQUEST) {
roughBitmap = (Bitmap) data.getExtras().get("data");
final ContentResolver cr = getContentResolver();
final String[] p1 = new String[] {
MediaStore.Images.ImageColumns._ID,
MediaStore.Images.ImageColumns.DATE_TAKEN };
Cursor c1 = cr.query(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI, p1, null,
null, p1[1] + " DESC");
if (c1.moveToFirst()) {
String uristringpic = "content://media/external/images/media/"
+ c1.getInt(0);
newuri = Uri.parse(uristringpic);
// Log.i("TAG", "newuri "+newuri);
snapName = getRealPathFromURI(newuri);
Uri u = Uri.parse(snapName);
File f = new File("" + u);
fileName = f.getName();
}
c1.close();
setImageParameter();
}
} catch (NullPointerException e) {
}
System.out.println("*** End of onActivityResult() ***");
}
public void setImageParameter() {
// decode full image
roughBitmap = BitmapFactory.decodeFile(snapName);
// calc exact destination size
Matrix matrix = new Matrix();
RectF inRect = new RectF(0, 0, roughBitmap.getWidth(),
roughBitmap.getHeight());
// RectF outRect = new RectF(0, 0, dstWidth, dstHeight);
RectF outRect = new RectF(0, 0, 640, 480);
matrix.setRectToRect(inRect, outRect, Matrix.ScaleToFit.CENTER);
float[] values = new float[9];
matrix.getValues(values);
// resize bitmap
resizedBitmap = Bitmap.createScaledBitmap(roughBitmap,
(int) (roughBitmap.getWidth() * values[0]),
(int) (roughBitmap.getHeight() * values[4]), true);
paint = new Paint();
paint.setColor(Color.GREEN);
paint.setTextSize(16);
paint.setTextAlign(Paint.Align.LEFT);
Canvas canvas = new Canvas(resizedBitmap);
canvas.drawText(String.valueOf(lat), resizedBitmap.getWidth() - 290, resizedBitmap.getHeight() - 50, paint);
canvas.drawText(String.valueOf(lng), resizedBitmap.getWidth() - 140, resizedBitmap.getHeight() - 50, paint);
if (!editTextRoadName.getText().toString().equalsIgnoreCase("")) {
canvas.drawText(editTextRoadName.getText().toString(), resizedBitmap.getWidth() - 290, resizedBitmap.getHeight() - 30, paint);
}
canvas.drawText(new DateClass().getSysDateTimeForPhoto(), resizedBitmap.getWidth() - 290, resizedBitmap.getHeight() - 10, paint);
if (nFinalOrientation == 1) {
matrix.postRotate(90);
} else {
matrix.postRotate(0);
}
rotatedBitmap = Bitmap.createScaledBitmap(resizedBitmap,
(int) (resizedBitmap.getWidth() * values[0]),
(int) (resizedBitmap.getHeight() * values[4]), true);
if (booleanPhotoFlag) {
booleanPhotoFlag = false;
photoBitmap = rotatedBitmap.copy(Bitmap.Config.ARGB_8888, true);
imageViewPhoto.setImageBitmap(photoBitmap);
} else {
landmarkBitmap = rotatedBitmap.copy(rotatedBitmap.getConfig(), rotatedBitmap.isMutable() ? true : false);
imageViewLocationPhoto.setImageBitmap(landmarkBitmap);
}
}
我在 之前回答了這個問題 看一看: http:// stackoverflow。com/a/30266776/1531683 –