Android 在棒棒糖中从图库中拾取图像
我从图库中挑选图像,我的代码与kitkat配合得很好,但它在棒棒糖中崩溃了 我的代码:Android 在棒棒糖中从图库中拾取图像,android,Android,我从图库中挑选图像,我的代码与kitkat配合得很好,但它在棒棒糖中崩溃了 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);
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();
}
}
我的代码正在崩溃,因为
imageFilePath
返回null。我如何解决它?此代码块对我有效
Intent i = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(i, RESULT_LOAD_IMAGE);
其中RESULT_LOAD_IMAGE=1
然后是对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);
}
}
您的意思是“cursor.getString()”返回null?如果先检查imageFilePath是否为null,则代码不必崩溃。我的意思是cursor.getString总是返回null,_uri.getPath()说明了什么?它返回的是:/document/image:26您找到解决方案了吗。如果是,请在这里发布!!