[英]Picking image from gallery in lollipop
I am picking image from gallery,my code works well with kitkat but it's crashing in lollipop. 我正在从画廊中挑选图像,我的代码在kitkat上效果很好,但是在棒棒糖中崩溃了。
My code: 我的代码:
public static int LOAD_IMAGE_RESULTS = 1;
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(requestCode == LOAD_IMAGE_RESULTS && data != null && data.getData() != null) {
Uri _uri = data.getData();
//User had pick an image.
Cursor cursor = getActivity().getContentResolver().query(_uri, new String[] { android.provider.MediaStore.Images.ImageColumns.DATA }, null, null, null);
cursor.moveToFirst();
//Link to the image
final String imageFilePath = cursor.getString(0);
Log.w("ImageFile",imageFilePath);
cursor.close();
}
}
My code is crashing because imageFilePath
is returning null.How can I resolve it ? 我的代码崩溃是因为imageFilePath
返回null。如何解决呢?
This code block worked for me. 该代码块为我工作。
Intent i = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(i, RESULT_LOAD_IMAGE);
where RESULT_LOAD_IMAGE = 1. 其中RESULT_LOAD_IMAGE = 1。
Then it's the simple addition of the onActivityResult method: 然后是onActivityResult方法的简单添加:
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK
&& null != data) {
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = 2;
getSystemService(WINDOW_SERVICE);
Uri selectedImage = data.getData();
String[] filePathColumn = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(selectedImage,
filePathColumn, null, null, null);
cursor.moveToFirst();
final int width = options.outWidth;
final int height = options.outHeight;
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String picturePath = cursor.getString(columnIndex);
cursor.close();
final Bitmap scaledBitmap = Bitmap.createScaledBitmap(
BitmapFactory.decodeFile(picturePath, options), width,
height, true);
imageView.setImageBitmap(scaledBitmap);
}
}
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