1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the 10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 11 * KIND, either express or implied. See the License for the specific language governing 12 * permissions and limitations under the License. 13 */ 14 package com.android.settings.display; 15 16 import android.app.ActivityManager; 17 import android.content.Context; 18 import android.content.pm.PackageManager; 19 import android.provider.Settings; 20 21 import androidx.preference.Preference; 22 23 import com.android.settings.R; 24 import com.android.settings.core.PreferenceControllerMixin; 25 import com.android.settingslib.core.AbstractPreferenceController; 26 27 public class VrDisplayPreferenceController extends AbstractPreferenceController implements 28 PreferenceControllerMixin { 29 30 private static final String KEY_VR_DISPLAY_PREF = "vr_display_pref"; 31 VrDisplayPreferenceController(Context context)32 public VrDisplayPreferenceController(Context context) { 33 super(context); 34 } 35 36 @Override isAvailable()37 public boolean isAvailable() { 38 final PackageManager pm = mContext.getPackageManager(); 39 return pm.hasSystemFeature(PackageManager.FEATURE_VR_MODE_HIGH_PERFORMANCE); 40 } 41 42 @Override getPreferenceKey()43 public String getPreferenceKey() { 44 return KEY_VR_DISPLAY_PREF; 45 } 46 47 @Override updateState(Preference preference)48 public void updateState(Preference preference) { 49 int currentUser = ActivityManager.getCurrentUser(); 50 int current = Settings.Secure.getIntForUser(mContext.getContentResolver(), 51 Settings.Secure.VR_DISPLAY_MODE, Settings.Secure.VR_DISPLAY_MODE_LOW_PERSISTENCE, 52 currentUser); 53 if (current == 0) { 54 preference.setSummary(R.string.display_vr_pref_low_persistence); 55 } else { 56 preference.setSummary(R.string.display_vr_pref_off); 57 } 58 } 59 } 60