Files
app_Settings/src/com/android/settings/accessibility/DisplaySizeData.java
Piotr Wilczyński 2858620d25 Set display size to all displays
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
2023-01-17 17:30:12 +00:00

66 lines
2.4 KiB
Java

/*
* Copyright (C) 2022 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.accessibility;
import android.content.Context;
import android.content.res.Resources;
import com.android.settingslib.display.DisplayDensityUtils;
import java.util.Arrays;
import java.util.Collections;
import java.util.stream.Collectors;
/**
* Data class for storing the configurations related to the display size.
*/
class DisplaySizeData extends PreviewSizeData<Integer> {
private final DisplayDensityUtils mDensity;
DisplaySizeData(Context context) {
super(context);
mDensity = new DisplayDensityUtils(getContext());
final int initialIndex = mDensity.getCurrentIndexForDefaultDisplay();
if (initialIndex < 0) {
// Failed to obtain default density, which means we failed to
// connect to the window manager service. Just use the current
// density and don't let the user change anything.
final Resources resources = getContext().getResources();
final int densityDpi = resources.getDisplayMetrics().densityDpi;
setDefaultValue(densityDpi);
setInitialIndex(0);
setValues(Collections.singletonList(densityDpi));
} else {
setDefaultValue(mDensity.getDefaultDensityForDefaultDisplay());
setInitialIndex(initialIndex);
setValues(Arrays.stream(mDensity.getDefaultDisplayDensityValues()).boxed()
.collect(Collectors.toList()));
}
}
@Override
void commit(int currentProgress) {
final int densityDpi = getValues().get(currentProgress);
if (densityDpi == getDefaultValue()) {
mDensity.clearForcedDisplayDensity();
} else {
mDensity.setForcedDisplayDensity(currentProgress);
}
}
}