FairEmail/app/src/main/java/eu/faircode/email/FragmentDialogAsk.java

package eu.faircode.email;

/*
    This file is part of FairEmail.

    FairEmail is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    FairEmail is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with FairEmail.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2018-2019 by Marcel Bokhorst (M66B)
*/

import android.app.Activity;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AlertDialog;
import androidx.preference.PreferenceManager;

public class FragmentDialogAsk extends FragmentDialogBase {
    @NonNull
    @Override
    public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
        String question = getArguments().getString("question");
        String notagain = getArguments().getString("notagain");

        View dview = LayoutInflater.from(getContext()).inflate(R.layout.dialog_ask_again, null);
        TextView tvMessage = dview.findViewById(R.id.tvMessage);
        CheckBox cbNotAgain = dview.findViewById(R.id.cbNotAgain);

        tvMessage.setText(question);
        cbNotAgain.setVisibility(notagain == null ? View.GONE : View.VISIBLE);

        if (notagain != null)
            cbNotAgain.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
                @Override
                public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
                    prefs.edit().putBoolean(notagain, isChecked).apply();
                }
            });

        return new AlertDialog.Builder(getContext())
                .setView(dview)
                .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        sendResult(Activity.RESULT_OK);
                    }
                })
                .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        sendResult(Activity.RESULT_CANCELED);
                    }
                })
                .create();
    }
}