Android 未在片段中调用onActivityResult
这是我从图库中拍照的代码Android 未在片段中调用onActivityResult,android,fragment,Android,Fragment,这是我从图库中拍照的代码 public class FragmentLayout1 extends Fragment implements OnClickListener { View root; Context c; Button add_image; DialogAddImage image; RelativeLayout layout_image; String path; RunAnimations anima; pu
public class FragmentLayout1 extends Fragment implements OnClickListener {
View root;
Context c;
Button add_image;
DialogAddImage image;
RelativeLayout layout_image;
String path;
RunAnimations anima;
public void setContext(Context c){
this.c = c;
Constants con = new Constants(c);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
anima = new RunAnimations();
image = new DialogAddImage((Activity) c);
Bundle bun = new Bundle();
path = bun.getString("path");
root = inflater.inflate(R.layout.layout_1, container, false);
add_image = (Button)root.findViewById(R.id.button2);
add_image.setOnClickListener(this);
layout_image = (RelativeLayout)root.findViewById(R.id.layout_image);
if(!TextUtils.isEmpty(path)){
Log.e("path", path);
Drawable d = Drawable.createFromPath(path);
layout_image.setBackground(d);
}
return root;
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
anima.loadAnimationView(c, R.anim.alpha_button, v);
if(v == add_image){
image.showDialog();
}
}
//============= fungsi untuk menerima hasil pilihan user dalam kotak dialog ambil gambar=============
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Log.e("result", "Result");
new ImageResult((Activity) c).resultOfImage(requestCode, resultCode, data, image.getUri(), false);
}
在“单击方法”中,我已单击“添加图像”按钮。“添加图像”将显示一个对话框,供用户从照相机或多媒体资料中拍照
这是我的对话代码
public class DialogAddImage{
private Activity c;
private Uri mImageCaptureUri;
private Dialog dialog;
AnimasiActivity aa;
Button camera, galeri;
public DialogAddImage(Activity c){
this.c = c;
aa = new AnimasiActivity(c);
setDialog();
}
//untuk mendapatkan uri yang menyimpan informasi path file image
public Uri getUri(){
return mImageCaptureUri;
}
@SuppressWarnings("deprecation")
private void setDialog(){
dialog = new Dialog(c);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setContentView(R.layout.dialog_add_image);
dialog.getWindow().setLayout(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
dialog.getWindow().setBackgroundDrawable(new ColorDrawable(0));
camera = (Button) dialog.findViewById(R.id.button1);
galeri = (Button)dialog.findViewById(R.id.button2);
//kalo user pilih dari kamera
camera.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
hideDialog();
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
String file_name = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date());
File file = new File(Constants.path_image +file_name + ".jpg");
mImageCaptureUri = Uri.fromFile(file);
intent.putExtra(MediaStore.EXTRA_OUTPUT, mImageCaptureUri);
try {
intent.putExtra("return-data", true);
intent.putExtra("mImageCaptureUri", mImageCaptureUri);
aa.startForwardForResult(intent, Constants.PICK_FROM_CAMERA);
} catch (Exception e) {
e.printStackTrace();
}
}
});
//kalo user pilih dari galery
galeri.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View arg0) {
hideDialog();
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
aa.startForwardForResult(intent, Constants.PICK_FROM_FILE);
}
});
}
public void showDialog(){
dialog.show();
}
public void hideDialog(){
dialog.dismiss();
}
}
但当我从图库中选择图像时,该图像不会显示在我的片段中。而activityResult方法从未调用,但为什么???任何解决方案,请覆盖父活动中的onActivityResult,即所有片段的父级确保从片段调用startActivityForResult()而不是getActivity().startActivityForResult()。参考如果从片段中调用
startActivityForResult()
,则将在片段中调用onActivityResult()
。如果您从活动中调用startActivityForResult()
,则将在活动中调用onActivityResult()
。基本上,调用startActivityForResult()
的地方就是将调用onActivityResult()
的地方
还有一件事,在Android中,创建对话框的首选方法是扩展类。如果您在
活动中覆盖onActivityResult
,那么请确保您也在那里调用super.onActivityResult
,以便将结果传播到您的片段。这个问题非常敏感,观察起来也不太棘手(fix)我为这个做了如下准备
当您从活动A调用活动B时,源活动(A)实例应位于堆栈(内存)中,以调用“onActivityResult”回调
下面解释问题的原因
观察:从材料设计背面和NavUtils.navigateUpFromSameTask-navigateUpFromSameTask的描述如下
与调用navigateUpTo(sourceActivity,getParentActivityIntent(sourceActivity))等效的便利方法。sourceActivity将通过此调用完成
记住当使用此方法时,sourceActivity(A)将从堆栈(内存)中删除。
当没有sourceActivity(A)时,就没有基础实例(A)可以调用“onActivityResult”回调
您只需在fragmentBaseActivity.startActivityForResult
上重写BaseActivityonActivityResult
关于BaseActivity添加接口
private OnBaseActivityResult baseActivityResult;
On Fragment implementsOnBaseActivityResult
我有一个自定义的DialogFragment,我面临同样的问题。不需要从父方法触发它。您必须调用startActivityForResult()而不是getActivity()。startActivityForResult()就像上面回答的@umesh一样。当您从片段调用startActivityForResult
时,结果将被发送回活动的onActivityResult
。而不是在活动的onActivityResult
中使用super.onActivityResult
,结果将被发送回片段的onActivityResult
。您可以在此处编写代码。不要在片段的onactivityResult
中使用getActivity.onactivityResult
,因为它将引用活动的onactivityResult
,签出重复问题有相同的问题您能告诉我吗?有这么多代码片段覆盖了我的一天在没有呼叫super的情况下运行结果。我认为它没有任何作用。。。