btn8.setOnClickListener(new View.OnClickListener() {      @Override      public void onClick(View view) {/*在Activity Action里面有一個“ACTION_GET_CONTENT”字符串常量，// 該常量讓用戶選擇特定類型的數據，并返回該數據的URI.我們利用該常量，//然后設置類型為“image/*”，就可獲得Android手機內的所有image。*/        Intent intent = new Intent();        /* 開啟Pictures畫面Type設定為image */        intent.setType("image/*");        /* 使用Intent.ACTION_GET_CONTENT這個Action */        intent.setAction(Intent.ACTION_GET_CONTENT);        /* 取得相片后返回本畫面 */        startActivityForResult(intent, 1);//Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);// startActivityForResult(intent, RESULT);      }    }); @Override  protected void onActivityResult(int requestCode, int resultCode, Intent data) {    if (resultCode == RESULT_OK) {      Uri uri = data.getData();      Log.e("uri", uri.toString());      ContentResolver cr = this.getContentResolver();      try {        Bitmap bitmap = BitmapFactory.decodeStream(cr.openInputStream(uri));        /* 將Bitmap設定到ImageView */        iv8.setImageBitmap(bitmap);      } catch (FileNotFoundException e) {        Log.e("Exception", e.getMessage(), e);      }    }    super.onActivityResult(requestCode, resultCode, data);  }