我正在开发一个项目,用户可以将其定向到默认摄像头拍照并在imageview中进行设置。代码如下:
点击按钮:
btncamera.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
captureImage();
}
});
captureimage方法:
private void captureImage() {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
fileUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE);
intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);
// start the image capture Intent
startActivityForResult(intent, CAMERA_CAPTURE_IMAGE_REQUEST_CODE);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
// if the result is capturing Image
if (requestCode == CAMERA_CAPTURE_IMAGE_REQUEST_CODE) {
if (resultCode ==getActivity().RESULT_OK) {
// successfully captured the image
// display it in image view
previewCapturedImage();
} else if (resultCode == getActivity().RESULT_CANCELED) {
// user cancelled Image capture
Toast.makeText(getActivity(),
"User cancelled image capture", Toast.LENGTH_SHORT)
.show();
} else {
// failed to capture image
Toast.makeText(getActivity(),
"Sorry! Failed to capture image", Toast.LENGTH_SHORT)
.show();
}
}
}
private void previewCapturedImage() {
try {
// bimatp factory
BitmapFactory.Options options = new BitmapFactory.Options();
// downsizing image as it throws OutOfMemory Exception for larger
// images
options.inSampleSize = 1;
final Bitmap bitmap = BitmapFactory.decodeFile(fileUri.getPath(),options);
iv_preview.setImageBitmap(bitmap);
} catch (NullPointerException e) {
e.printStackTrace();
}
}
问题是在imageview中设置的imagepreview适用于android 2.6设备,但不适用于较新的android kitkat版本。
我已将imageview设置为wrap_content的宽度和高度。
我该如何解决这个问题?