2858620d25
Bug: 197730930 Test: Open Settings, go to Display -> Display size and text -> Display size, change the value, fold/unfold the device, see that the value persists. Test: DisplaySizeDataTest Test: atest ScreenResolutionFragmentTest Test: ScreenZoomSettingsTest Change-Id: I3d6858a9b20798c2ad3b12a66db3484491682691 Merged-In: I3d6858a9b20798c2ad3b12a66db3484491682691
50 lines
1.8 KiB
Java
50 lines
1.8 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.settings.display;
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import android.content.Context;
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import android.text.TextUtils;
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import android.util.AttributeSet;
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import androidx.core.content.res.TypedArrayUtils;
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import androidx.preference.Preference;
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import com.android.settingslib.display.DisplayDensityUtils;
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/**
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* Preference for changing the density of the display on which the preference
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* is visible.
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*/
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public class ScreenZoomPreference extends Preference {
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public ScreenZoomPreference(Context context, AttributeSet attrs) {
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super(context, attrs, TypedArrayUtils.getAttr(context,
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androidx.preference.R.attr.preferenceStyle,
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android.R.attr.preferenceStyle));
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final DisplayDensityUtils density = new DisplayDensityUtils(context);
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final int defaultIndex = density.getCurrentIndexForDefaultDisplay();
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if (defaultIndex < 0) {
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setVisible(false);
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setEnabled(false);
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} else if (TextUtils.isEmpty(getSummary())) {
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final String[] entries = density.getDefaultDisplayDensityEntries();
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final int currentIndex = density.getCurrentIndexForDefaultDisplay();
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setSummary(entries[currentIndex]);
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}
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}
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}
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