解决方法
这适用于Kitkat
public class BrowsePictureActivity extends Activity{
private static final int SELECT_PICTURE = 1;
private String selectedImagePath;
private ImageView imageView;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.browsepicture);
imageView = (ImageView)findViewById(R.id.imageView1);
((Button) findViewById(R.id.button1))
.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent,"Select Picture"),SELECT_PICTURE);
}
});
}
public void onActivityResult(int requestCode,int resultCode,Intent data) {
if (resultCode == RESULT_OK) {
if (requestCode == SELECT_PICTURE) {
Uri selectedImageUri = data.getData();
if (Build.VERSION.SDK_INT < 19) {
selectedImagePath = getPath(selectedImageUri);
Bitmap bitmap = BitmapFactory.decodeFile(selectedImagePath);
imageView.setImageBitmap(bitmap);
}
else {
ParcelFileDescriptor parcelFileDescriptor;
try {
parcelFileDescriptor = getContentResolver().openFileDescriptor(selectedImageUri,"r");
FileDescriptor fileDescriptor = parcelFileDescriptor.getFileDescriptor();
Bitmap image = BitmapFactory.decodeFileDescriptor(fileDescriptor);
parcelFileDescriptor.close();
imageView.setImageBitmap(image);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
/**
* helper to retrieve the path of an image URI
*/
public String getPath(Uri uri) {
if( uri == null ) {
return null;
}
String[] projection = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(uri,projection,null,null);
if( cursor != null ){
int column_index = cursor
.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
}
return uri.getPath();
}
}
您需要添加权限
< uses-permission android：name =“android.permission.READ_EXTERNAL_STORAGE”/>
