我称之为此功能:
private void TakePhoto() {
LogService.log(TAG, "inTakePicture");
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
file = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/BlueSkyBio/media/", "test.jpg");
outputFileUri = Uri.fromFile(file);
intent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
startActivityForResult(intent, TAKE_PICTURE);
}
接下来的onActivityResult:
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == TAKE_PICTURE) {
if(outputFileUri != null){
LogService.log("MainFragment", outputFileUri.toString());
String path = outputFileUri.toString();
selectedVideoPath = path.substring(7);
LogService.log("in take pic", "selectedImagePath: " + selectedVideoPath);
Intent paintActivity = new Intent(getActivity(), PaintActivity.class);
paintActivity.putExtra("selectedImagePath", selectedVideoPath);
paintActivity.putExtra("isVideo", false);
startActivity(paintActivity);
((FragmentActivity) getActivity()).finish();
} else{
// Toast.makeText(getActivity(), "No picture taken", Toast.LENGTH_SHORT).show();
Intent main = new Intent(getActivity(), FragmentActivity.class);
startActivity(main);
((FragmentActivity) getActivity()).finish();
}
}
}
这样可行,但是如果我打算拍照,然后按后退按钮,如果我之前已经拍过照片,它会加载那张照片,如果没有,它会崩溃,因为按回来,它不会拍照。我能做些什么来逃避这种情况?
我试过测试:
if(data != null) // instead of: if(outputFileUri != null){
但是这永远不会进入代码的“else”部分。
答案 0 :(得分:1)
使用这些条件:
private static final int CAMERA_PIC_REQUEST = 1337;
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(requestCode==CAMERA_PIC_REQUEST && resultCode == RESULT_OK){
log.d("something","something");
}
else if (resultCode == Activity.RESULT_CANCELED)
{
log.d("something","something");
}
}