android choose image from camera app or gallery

image_chooser

private Uri outputFileUri;
private final int FROM_CHOOSER = 0;
private final int FROM_CAMERA = 1;
private final int FROM_FILE = 2;

private void openImageIntent(int from) {

	// Determine Uri of camera image to save.
	final File root = new File(Environment.getExternalStorageDirectory()
			+ File.separator + getString(R.string.app_name)
			+ File.separator);
	root.mkdirs();
	final String fname = "img_" + UUID.randomUUID() + ".jpg";
	final File sdImageMainDirectory = new File(root, fname);
	outputFileUri = Uri.fromFile(sdImageMainDirectory);

	// Camera.
	final List<Intent> cameraIntents = new ArrayList<Intent>();
	final Intent captureIntent = new Intent(
			android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
	final PackageManager packageManager = getPackageManager();
	final List<ResolveInfo> listCam = packageManager.queryIntentActivities(
			captureIntent, 0);
	for (ResolveInfo res : listCam) {
		final String packageName = res.activityInfo.packageName;
		final Intent intent = new Intent(captureIntent);
		intent.setComponent(new ComponentName(res.activityInfo.packageName,
				res.activityInfo.name));
		intent.setPackage(packageName);
		intent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
		cameraIntents.add(intent);
	}

	// Filesystem.
	final Intent galleryIntent = new Intent();
	galleryIntent.setType("image/*");
	galleryIntent.setAction(Intent.ACTION_GET_CONTENT);

	if (from == FROM_CHOOSER) {
		// Chooser of filesystem options.
		final Intent chooserIntent = Intent.createChooser(galleryIntent,
				"Select Source");

		// Add the camera options.
		chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS,
				cameraIntents.toArray(new Parcelable[] {}));

		startActivityForResult(chooserIntent, 101);
	} else if (from == FROM_CAMERA) {
		final Intent cameraIntent = Intent.createChooser(
				cameraIntents.remove(0), "Select Source");
		cameraIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS,
				cameraIntents.toArray(new Parcelable[] {}));
		startActivityForResult(cameraIntent, 101);

	} else if (from == FROM_FILE) {
		startActivityForResult(galleryIntent, 101);
	}
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
	if (resultCode == RESULT_OK) {
		if (requestCode == 101) {
			final boolean isCamera;
			if (data == null) {
				isCamera = true;
			} else {
				isCamera = MediaStore.ACTION_IMAGE_CAPTURE.equals(data
						.getAction());
			}

			Uri selectedImageUri;
			if (isCamera) {
				selectedImageUri = outputFileUri;
			} else {
				selectedImageUri = data == null ? null : data.getData();
			}
		}
	}
}