我有一个托管片段的活动,问题是,在每次方向更改时,只有当开关处于选中状态时,OnCheckedChangeListener
才会调用。我该如何解决这个问题?谢谢!
MainActivity.java:
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main_activity);
if (savedInstanceState == null) {
getSupportFragmentManager()
.beginTransaction()
.replace(R.id.container, new MainFragment())
.commit();
}
}
}
MainFragment.java
public class MainFragment extends Fragment {
private SwitchMaterial switchMaterial;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
return inflater.inflate(R.layout.main_fragment, container, false);
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
switchMaterial = view.findViewById(R.id.switch_material);
switchMaterial.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
Toast.makeText(getContext(), "Switch is checked.", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(getContext(), "Switch is NOT checked.", Toast.LENGTH_SHORT).show();
}
}
});
}
}