| /* |
| * Copyright (C) 2016 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.display; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.provider.Settings; |
| import android.support.v7.preference.Preference; |
| |
| import com.android.settings.R; |
| import com.android.settings.accessibility.ToggleFontSizePreferenceFragment; |
| import com.android.settings.core.PreferenceControllerMixin; |
| import com.android.settingslib.core.AbstractPreferenceController; |
| |
| public class FontSizePreferenceController extends AbstractPreferenceController implements |
| PreferenceControllerMixin { |
| |
| private static final String KEY_FONT_SIZE = "font_size"; |
| |
| public FontSizePreferenceController(Context context) { |
| super(context); |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return true; |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY_FONT_SIZE; |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| final float currentScale = Settings.System.getFloat(mContext.getContentResolver(), |
| Settings.System.FONT_SCALE, 1.0f); |
| final Resources res = mContext.getResources(); |
| final String[] entries = res.getStringArray(R.array.entries_font_size); |
| final String[] strEntryValues = res.getStringArray(R.array.entryvalues_font_size); |
| final int index = ToggleFontSizePreferenceFragment.fontSizeValueToIndex(currentScale, |
| strEntryValues); |
| preference.setSummary(entries[index]); |
| } |
| } |