src/com/android/settings/development/RebootWithMteDialog.java

/*
 * Copyright (C) 2022 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.settings.development;

import android.app.Dialog;
import android.app.settings.SettingsEnums;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.PowerManager;
import android.os.SystemProperties;

import androidx.appcompat.app.AlertDialog;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;

import com.android.settings.R;
import com.android.settings.core.instrumentation.InstrumentedDialogFragment;

public class RebootWithMteDialog extends InstrumentedDialogFragment
        implements DialogInterface.OnClickListener {

    public static final String TAG = "RebootWithMteDlg";
    private Context mContext;

    public RebootWithMteDialog(Context context) {
        mContext = context;
    }

    public static void show(Context context, Fragment host) {
        FragmentManager manager = host.getActivity().getSupportFragmentManager();
        if (manager.findFragmentByTag(TAG) == null) {
            RebootWithMteDialog dialog = new RebootWithMteDialog(context);
            dialog.setTargetFragment(host, 0 /* requestCode */);
            dialog.show(manager, TAG);
        }
    }

    @Override
    public int getMetricsCategory() {
        return SettingsEnums.REBOOT_WITH_MTE_DIALOG;
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        return new AlertDialog.Builder(getActivity())
                .setTitle(R.string.reboot_with_mte_title)
                .setMessage(R.string.reboot_with_mte_message)
                .setPositiveButton(android.R.string.ok, this /* onClickListener */)
                .setNegativeButton(android.R.string.cancel, null /* onClickListener */)
                .setIcon(android.R.drawable.ic_dialog_alert)
                .create();
    }

    @Override
    public void onClick(DialogInterface dialog, int which) {
        PowerManager pm = mContext.getSystemService(PowerManager.class);
        SystemProperties.set("arm64.memtag.bootctl", "memtag-once");
        pm.reboot(null);
    }
}