Question

我已经实现了图像捕获和裁剪功能的代码。同样适用于联想A536和Huwaii Honor Holly，但不适用于Huwaii Ascend P7-L10。甚至所有这些都有Android 4.4.2与Loilipop更新。

第一个问题是，当我已经提供写入权限时，被捕获的图像没有存储在SD卡上。

其次是我无法以方形形式实现裁剪视图。只有上述手机从图库中选择图像时，最终用户才能调整。我的代码是：

 public void selectGiniPicture(View view) {

    isGiniImageSelected = true;
    final CharSequence[] options = { "Take Picture", "Choose from Gallery","Cancel" };
    AlertDialog.Builder builder = new AlertDialog.Builder(WorkerRegActivity.this);
    builder.setTitle("Select Your Picture!");
    builder.setItems(options, new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int item) {
            if (options[item].equals("Take Picture"))
            {
                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                startActivityForResult(intent, 1);
            }
            else if (options[item].equals("Choose from Gallery"))
            {
                Intent intent = new Intent();
                //Intent intent = new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
                intent.setType("image/*");
                intent.setAction(Intent.ACTION_GET_CONTENT);
                intent.putExtra("crop", "true");
                //intent.putExtra("aspectX", 0);
                //intent.putExtra("aspectY", 0);
                intent.putExtra("outputX", 225);
                intent.putExtra("outputY", 225);
                intent.putExtra("scale", true);
                intent.putExtra("scaleUpIfNeeded", true);
                intent.putExtra("return-data", true);
                startActivityForResult(Intent.createChooser(intent,
                    "Complete action using"), 2);
            }
            else if (options[item].equals("Cancel")) {
                dialog.dismiss();
            }
        }
    });
    builder.show();
}

执行相机的裁剪功能

    private void performCrop() {
    // take care of exceptions
            try {
                // call the standard crop action intent (the user device may not
                // support it)
                Intent cropIntent = new Intent("com.android.camera.action.CROP");
                // indicate image type and Uri
                cropIntent.setDataAndType(picUri, "image/*");
                // set crop properties
                cropIntent.putExtra("crop", "true");
                // indicate aspect of desired crop
                //cropIntent.putExtra("aspectX", 0);
                //cropIntent.putExtra("aspectY", 0);
                // indicate output X and Y
                cropIntent.putExtra("outputX", 225);
                cropIntent.putExtra("outputY", 225);
                // retrieve data on return
                cropIntent.putExtra("return-data", true);
                // start the activity - we handle returning in onActivityResult
                startActivityForResult(cropIntent, 6);
            }
            // respond to users whose devices do not support the crop action
            catch (ActivityNotFoundException anfe) {
                Toast toast = Toast
                        .makeText(this, "This device doesn't support the crop action!", Toast.LENGTH_SHORT);
                toast.show();
            }
        }

OnActivityResult功能如下：

    if (resultCode == RESULT_OK)
            {
                if (requestCode == 1)
                {
                    picUri = data.getData();
                    performCrop();
                }
                else if (requestCode == 2) {

                    Bundle extras = data.getExtras();
                    if (extras != null) {
                        Bitmap photo = extras.getParcelable("data");
                        capturedImage.setImageBitmap(photo);
                    } 
                }
    }

Android Huwaii Ascend P7-L10 P7-L10图像裁剪并保存拍摄的图像问题

0 个答案: