car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/preferences/PreferenceActivity.java

/*
 * Copyright (C) 2019 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.car.ui.paintbooth.preferences;

import android.os.Bundle;

import androidx.appcompat.app.AppCompatActivity;
import androidx.preference.PreferenceFragmentCompat;

import com.android.car.ui.paintbooth.R;

/** Displays samples of all types of Preferences to help with verifying style changes. */
public class PreferenceActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // Display the fragment as the main content.
        if (savedInstanceState == null) {
            getSupportFragmentManager()
                    .beginTransaction()
                    .replace(android.R.id.content, new DemoFragment())
                    .commit();
        }
    }

    @Override
    public boolean onSupportNavigateUp() {
        onBackPressed();
        return true;
    }

    /** PreferenceFragmentCompat that sets the preference hierarchy from XML */
    public static class DemoFragment extends PreferenceFragmentCompat {

        @Override
        public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
            // Load the preferences from an XML resource
            setPreferencesFromResource(R.xml.preference_samples, rootKey);
        }
    }
}