相机意图返回null onActivityResult

Question

我正试着拍一张照片并把它保存到一个自定义的位置-

public void SavePhoto(View view){

    Intent imageIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());

    File imagesFolder = new File(Environment.getExternalStorageDirectory(), "WorkingWithPhotosApp");
    imagesFolder.mkdirs();

    File image = new File(imagesFolder, "QR_" + timeStamp + ".png");
    Uri uriSavedImage = Uri.fromFile(image);

    imageIntent.putExtra(MediaStore.EXTRA_OUTPUT, uriSavedImage);
    startActivityForResult(imageIntent, REQUEST_IMAGE_CAPTURE);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if(data==null){
        Toast.makeText(MainActivity.this, "Data is null", Toast.LENGTH_SHORT).show();
    }
    else{
        if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == RESULT_OK) {
            Bundle extras = data.getExtras();
            Bitmap imageBitmap = (Bitmap) extras.get("data");
            ImageView mImageView=(ImageView)findViewById(R.id.imageView);
            mImageView.setImageBitmap(imageBitmap);
        }
    }
}

onActivityResult（）中的数据为空。我错过了什么？

Answer 1

在此处预插入uri：

 imageIntent.putExtra(MediaStore.EXTRA_OUTPUT, uriSavedImage);

因此，当您获得activity.result_ok时，只需通过已知的URL加载所拍摄的照片。然后，可以像下面这样设置路径onActivityResult，但是需要转换为位图。

if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == RESULT_OK) {
           // Convert here your uri to bitmap then set it.//
            mImageView.setImageBitmap(YOUR_BITMAP);
 }