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我有這樣的代碼:如何從uri獲取圖像ID?
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Button play= (Button) findViewById(R.id.play);
play.setVisibility(1);
if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK
&& null != data) {
Uri selectedImage = data.getData();
String[] filePathColumn = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(selectedImage,
filePathColumn, null, null, null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String picturePath = cursor.getString(columnIndex);
cursor.close();
ImageView imageView = (ImageView) findViewById(R.id.imgView);
imageView.setImageBitmap(BitmapFactory.decodeFile(picturePath));
}
}
public void Play(View view){
int[] mImageIds = {R.id.imgView};
Intent intent = new Intent(this, PuzzleSelectActivity.class);
intent.putExtra("images", mImageIds);
this.startActivity(intent);
}
我想從保護無效onActivityResult獲得圖像ID,並通過它的mImageIds ...
你提供正確的權限? 這一個你需要<使用權限的android:name =「android.permission.INTERNET」/> – 2014-10-20 05:43:46
y ...我把正確的權限.. <使用權限android:name =「android.permission.WRITE_EXTERNAL_STORAGE 「/> – 2014-10-20 06:03:26