Snackbar is not working within fragment class
59,522
Solution 1
You can also use:
getActivity().findViewById(android.R.id.content)
like this:
Snackbar snackBar = Snackbar.make(getActivity().findViewById(android.R.id.content),
"Look at me, I'm a fancy snackbar", Snackbar.LENGTH_LONG);
snackBar.show();
See this
Solution 2
SnackBar make
method takes a view and from that view it trails up the heirarchy until it finds a suitable layout to show, if you had an exception this means that you didn't add CoordinatedLayout to your project
private static ViewGroup findSuitableParent(View view) {
ViewGroup fallback = null;
do {
if(view instanceof CoordinatorLayout) {
return (ViewGroup)view;
}
if(view instanceof FrameLayout) {
// android.R.id.content
if(view.getId() == 16908290) {
return (ViewGroup)view;
}
fallback = (ViewGroup)view;
}
if(view != null) {
ViewParent parent = view.getParent();
view = parent instanceof View?(View)parent:null;
}
} while(view != null);
return fallback;
}
Author by
Admin
Updated on July 08, 2022Comments
-
Admin almost 2 years
I am trying to show snackbar view when I click on button but it shows force close error when I click on button
I have define fragment class below and also error log.
I have fragment class:
public class HomeFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_home, container, false); context = getActivity(); initUI(rootView); return rootView; } private void initUI(View view) { btn= (Button) view.findViewById(R.id.btnpress); btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Snackbar.make(getView(),"SnackBAr Test" , Snackbar.LENGTH_LONG).show(); } }); }
fragment_home.xml:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:id="@+id/mainrl" android:layout_height="match_parent"> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_centerHorizontal="true" android:orientation="horizontal" android:paddingBottom="40dp" > <Button android:id="@+id/btn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:Text="PLEASE PRESS" /> </LinearLayout> </RelativeLayout>
When I press on button it is not showing
snackbar
. it gives below error log:java.lang.NoClassDefFoundError: android.support.design.widget.CoordinatorLayout at android.support.design.widget.Snackbar.findSuitableParent(Snackbar.java:237) at android.support.design.widget.Snackbar.make(Snackbar.java:206) at com.example.test.fragment.HomeFragment$3.onLeftCardExit(HomeFragment.java:168) at android.view.ViewPropertyAnimator$AnimatorEventListener.onAnimationEnd(ViewPropertyAnimator.java:1030) at android.animation.ValueAnimator.endAnimation(ValueAnimator.java:1056) at android.animation.ValueAnimator.access$400(ValueAnimator.java:50) at android.animation.ValueAnimator$AnimationHandler.doAnimationFrame(ValueAnimator.java:644) at android.animation.ValueAnimator$AnimationHandler.run(ValueAnimator.java:660) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:788) at android.view.Choreographer.doCallbacks(Choreographer.java:591) at android.view.Choreographer.doFrame(Choreographer.java:559) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:774) at android.os.Handler.handleCallback(Handler.java:808) at android.os.Handler.dispatchMessage(Handler.java:103) at android.os.Looper.loop(Looper.java:193) at android.app.ActivityThread.main(ActivityThread.java:5333) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:824) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:640) at dalvik.system.NativeStart.main(Native Method)
How can I solved this error?