Android set text of TextInputLayout in listener-CodePudding

I have a form in a dialog fragment. One of the fields open a custom date picker dialog, which returns the selected date via setFragmentResult(). I want to set this date as the value of the given text field.

When I create the dialog fragment, which contains the form, I can change the value of the given field using getEditText().setText(), but the same thing does not work in the FragmentResultListener.

I have tried to use both view binding and findViewById().

DateDialog

@NonNull
@Override
public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
    binding = DialogDateBinding.inflate(getLayoutInflater());

    MaterialAlertDialogBuilder dialogBuilder = new MaterialAlertDialogBuilder(getContext());
    dialogBuilder.setView(binding.getRoot());
    dialogBuilder.setPositiveButton("Select", new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialogInterface, int i) {
            Bundle result = new Bundle();
            result.putString("bundleKey", "DATE_STRING"); // it's just temporary
            getParentFragmentManager().setFragmentResult("request_key", result);
        }
    });

    return dialogBuilder.create();
}

DialogFragment

@NonNull
@Override
public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
    binding = DialogPatientBinding.inflate(getLayoutInflater());

    binding.date.getEditText().setText("SOMETHING"); // it works!

    MaterialAlertDialogBuilder dialogBuilder = new MaterialAlertDialogBuilder(getContext());
    dialogBuilder.setView(binding.getRoot());

    binding.date.getEditText().setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            DateDialog dateDialog = new DateDialog();
            dateDialog.show(getParentFragmentManager(), "date_dialog");
        }
    });

    getParentFragmentManager().setFragmentResultListener("request_key", getActivity(), new FragmentResultListener() {
        @Override
        public void onFragmentResult(@NonNull String requestKey, @NonNull Bundle result) {
            String value = result.getString("bundle_key");

            Log.d("TEST", result.getString(value)); //logs "DATE_STRING"
            binding.date.getEditText().setText(value); // does not work
            ((TextInputLayout)getView().findViewById(R.id.date)).getEditText().setText(value); // does not work
        }
    });

    return dialogBuilder.create();
}

CodePudding user response：

You can add an EditText inside the TextInputLayout and give it an id like the below:

//Your XML layout file:

<com.google.android.material.textfield.TextInputLayout
       style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
       android:id="@ id/date"
       android:layout_width="270dp"
       android:layout_height="48dp">
    
       <androidx.appcompat.widget.AppCompatEditText
       android:id="@ id/editTextId"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       app:backgroundTint="@android:color/white" />
</com.google.android.material.textfield.TextInputLayout>

and in your listener:

 binding.editTextId.setText(value);

CodePudding user response：

The problem was that I used view binding in both onCrateView and onCreateDialog.

private DialogBinding binding;

@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
    // instead of this
    binding = DialogBinding.inflate(inflater, container, false);
    View view = binding.getRoot();
    return view;

    // do this
    View view = inflater.inflate(R.layout.dialog_layout, container, false);
    return view;
}

@Override
public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
    binding = DialogBinding.inflate(getLayoutInflater());  // do it here
    MaterialAlertDialogBuilder dialogBuilder = new MaterialAlertDialogBuilder(getContext());
    dialogBuilder.setView(binding.getRoot());
    return dialogBuilder.create();
}

In the fragment lifecycle onCreateDialog runs first, then onCreateView. I guess the binding in onCreateView created a new object, and I lost the reference to the original one.

Possibly an amateur mistake. But if anyone faces the same problem, just don't do it in both methods! Just use inflater.inflate() in onCreateView!