Move AppCompatPreferenceActivity to ContactsCommon

/*

 * Copyright (C) 2015 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.dialer.settings;

import android.content.res.Configuration;

import android.os.Bundle;

import android.preference.PreferenceActivity;

import android.support.v7.app.ActionBar;

import android.support.v7.app.AppCompatDelegate;

import android.support.v7.widget.Toolbar;

import android.view.MenuInflater;

import android.view.View;

import android.view.ViewGroup;

/**

 * A {@link android.preference.PreferenceActivity} which implements and proxies the necessary calls

 * to be used with AppCompat.

 */

public class AppCompatPreferenceActivity extends PreferenceActivity {

    private AppCompatDelegate mDelegate;

    private boolean mIsSafeToCommitTransactions;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        getDelegate().installViewFactory();

        getDelegate().onCreate(savedInstanceState);

        super.onCreate(savedInstanceState);

        mIsSafeToCommitTransactions = true;

    }

    @Override

    protected void onPostCreate(Bundle savedInstanceState) {

        super.onPostCreate(savedInstanceState);

        getDelegate().onPostCreate(savedInstanceState);

    }

    public ActionBar getSupportActionBar() {

        return getDelegate().getSupportActionBar();

    }

    public void setSupportActionBar(Toolbar toolbar) {

        getDelegate().setSupportActionBar(toolbar);

    }

    @Override

    public MenuInflater getMenuInflater() {

        return getDelegate().getMenuInflater();

    }

    @Override

    public void setContentView(int layoutResID) {

        getDelegate().setContentView(layoutResID);

    }

    @Override

    public void setContentView(View view) {

        getDelegate().setContentView(view);

    }

    @Override

    public void setContentView(View view, ViewGroup.LayoutParams params) {

        getDelegate().setContentView(view, params);

    }

    @Override

    public void addContentView(View view, ViewGroup.LayoutParams params) {

        getDelegate().addContentView(view, params);

    }

    @Override

    protected void onPostResume() {

        super.onPostResume();

        getDelegate().onPostResume();

    }

    @Override

    protected void onTitleChanged(CharSequence title, int color) {

        super.onTitleChanged(title, color);

        getDelegate().setTitle(title);

    }

    @Override

    public void onConfigurationChanged(Configuration newConfig) {

        super.onConfigurationChanged(newConfig);

        getDelegate().onConfigurationChanged(newConfig);

    }

    @Override

    protected void onStop() {

        super.onStop();

        getDelegate().onStop();

    }

    @Override

    protected void onDestroy() {

        super.onDestroy();

        getDelegate().onDestroy();

    }

    @Override

    public void invalidateOptionsMenu() {

        getDelegate().invalidateOptionsMenu();

    }

    private AppCompatDelegate getDelegate() {

        if (mDelegate == null) {

            mDelegate = AppCompatDelegate.create(this, null);

        }

        return mDelegate;

    }

    @Override

    protected void onStart() {

        super.onStart();

        mIsSafeToCommitTransactions = true;

    }

    @Override

    protected void onResume() {

        super.onResume();

        mIsSafeToCommitTransactions = true;

    }

    @Override

    protected void onSaveInstanceState(Bundle outState) {

        super.onSaveInstanceState(outState);

        mIsSafeToCommitTransactions = false;

    }

    /**

     * Returns true if it is safe to commit {@link FragmentTransaction}s at this time, based on

     * whether {@link Activity#onSaveInstanceState} has been called or not.

     *

     * Make sure that the current activity calls into

     * {@link super.onSaveInstanceState(Bundle outState)} (if that method is overridden),

     * so the flag is properly set.

     */

    public boolean isSafeToCommitTransactions() {

        return mIsSafeToCommitTransactions;

    }

}

import android.view.MenuItem;

import android.widget.Toast;

import com.android.contacts.common.activity.AppCompatPreferenceActivity;

import com.android.contacts.common.compat.CompatUtils;

import com.android.contacts.common.compat.SdkVersionOverride;

import com.android.contacts.common.compat.TelephonyManagerCompat;