1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.accessibility; 18 19 import android.provider.Settings; 20 21 import com.android.internal.logging.MetricsLogger; 22 import com.android.settings.widget.ToggleSwitch; 23 import com.android.settings.widget.ToggleSwitch.OnBeforeCheckedChangeListener; 24 25 public class ToggleScreenMagnificationPreferenceFragment 26 extends ToggleFeaturePreferenceFragment { 27 @Override 28 protected void onPreferenceToggled(String preferenceKey, boolean enabled) { 29 Settings.Secure.putInt(getContentResolver(), 30 Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED, enabled ? 1 : 0); 31 } 32 33 @Override 34 protected void onInstallSwitchBarToggleSwitch() { 35 super.onInstallSwitchBarToggleSwitch(); 36 mToggleSwitch.setOnBeforeCheckedChangeListener(new OnBeforeCheckedChangeListener() { 37 @Override 38 public boolean onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked) { 39 mSwitchBar.setCheckedInternal(checked); 40 getArguments().putBoolean(AccessibilitySettings.EXTRA_CHECKED, checked); 41 onPreferenceToggled(mPreferenceKey, checked); 42 return false; 43 } 44 }); 45 } 46 47 @Override 48 protected int getMetricsCategory() { 49 return MetricsLogger.ACCESSIBILITY_TOGGLE_SCREEN_MAGNIFICATION; 50 } 51 } 52