Add discrete contrast UI slider in the setting
This slider is temporary and will be replaced by the final UI in the next couple weeks. In this first version, the slider is added in Settings -> Accessibility -> Color and motion. It is discrete with three values. The slider manipulates the setting currently named CONTRAST_LEVEL in Settings.Secure. This setting is ranging from [-1, 1] with a default value of 0. However, the three values of the slider correspond to the contrast values [0, 0.5, 1] respectively Test: Manual: put a log before Settings.System.putFloatForUser, move the slider manually and verify the logs Test: make RunSettingsRoboTests ROBOTEST_FILTER=ContrastLevelSeekBar Bug: 259091608 Change-Id: I2eaf751d6008ad20b3564dde2c0f4648cc6c8178
This commit is contained in:
Aurélien Pomini
104
res/layout/preference_contrast_level_slider.xml
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104
res/layout/preference_contrast_level_slider.xml
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@@ -0,0 +1,104 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (C) 2022 The Android Open Source Project
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<LinearLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:minHeight="?android:attr/listPreferredItemHeightSmall"
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android:gravity="center_vertical"
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android:paddingStart="?android:attr/listPreferredItemPaddingStart"
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android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
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android:clickable="false"
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android:orientation="horizontal">
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<include layout="@layout/settingslib_icon_frame"/>
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:orientation="vertical"
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android:paddingTop="16dp">
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content">
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<TextView
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android:id="@android:id/title"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:singleLine="true"
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android:textAppearance="?android:attr/textAppearanceListItem"
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android:textColor="?android:attr/textColorPrimary"
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android:ellipsize="marquee"
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android:hyphenationFrequency="normalFast"
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android:lineBreakWordStyle="phrase"
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android:fadingEdge="horizontal"/>
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<LinearLayout
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android:id="@android:id/widget_frame"
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android:layout_width="wrap_content"
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android:layout_height="match_parent"
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android:gravity="center_vertical"
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android:orientation="vertical"/>
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</LinearLayout>
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layoutDirection="ltr"
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android:orientation="vertical">
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<com.android.settings.accessibility.ContrastLevelSeekBar
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android:id="@*android:id/seekbar"
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android:minHeight="?android:attr/listPreferredItemHeightSmall"
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android:paddingStart="0dp"
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android:paddingEnd="0dp"
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android:layout_gravity="center_vertical"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"/>
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_gravity="center_vertical"
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android:orientation="horizontal">
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<TextView
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android:id="@+id/left_text"
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android:text="@string/accessibility_contrast_level_left_label"
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android:textAppearance="?android:attr/textAppearanceSmall"
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android:textColor="?android:attr/textColorSecondary"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:maxLines="1"
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android:textAlignment="viewStart" />
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<TextView
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android:id="@+id/right_text"
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android:text="@string/accessibility_contrast_level_right_label"
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android:textAppearance="?android:attr/textAppearanceSmall"
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android:textColor="?android:attr/textColorSecondary"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:maxLines="1"
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android:textAlignment="viewEnd" />
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</LinearLayout>
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</LinearLayout>
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</LinearLayout>
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</LinearLayout>
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@@ -220,6 +220,10 @@
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<dimen name="accessibility_qs_tooltip_margin">20dp</dimen>
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<dimen name="accessibility_qs_tooltip_margin_top">27dp</dimen>
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<!-- Contrast level slider -->
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<dimen name="contrast_level_seekbar_center_marker_height">14dp</dimen>
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<dimen name="contrast_level_seekbar_center_marker_width">1dp</dimen>
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<!-- Restricted icon in switch bar -->
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<dimen name="restricted_icon_margin_end">16dp</dimen>
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<!-- Restricted icon size in switch bar -->
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@@ -4213,6 +4213,12 @@
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<string name="accessibility_disable_animations">Remove animations</string>
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<!-- Summary for the accessibility preference for disabling animations. [CHAR LIMIT=60] -->
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<string name="accessibility_disable_animations_summary">Reduce movement on the screen</string>
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<!-- Title for the accessibility preference for the contrast level slider. [CHAR LIMIT=35] -->
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<string name="accessibility_contrast_level_title">Contrast Level</string>
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<!-- 'Low' text at the left of the contrast level slider. [CHAR LIMIT=20] -->
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<string name="accessibility_contrast_level_left_label">Standard</string>
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<!-- 'High' text at the right of the contrast level slider. [CHAR LIMIT=20] -->
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<string name="accessibility_contrast_level_right_label">High</string>
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<!-- Title for the accessibility preference for primary mono. [CHAR LIMIT=35] -->
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<string name="accessibility_toggle_primary_mono_title">Mono audio</string>
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<!-- Summary for the accessibility preference for primary mono. [CHAR LIMIT=60] -->
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@@ -64,6 +64,11 @@
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android:title="@string/accessibility_toggle_large_pointer_icon_title"
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settings:controller="com.android.settings.accessibility.LargePointerIconPreferenceController"/>
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<com.android.settings.accessibility.ContrastLevelSeekBarPreference
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android:key="seekbar_color_contrast"
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android:persistent="false"
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android:title="@string/accessibility_contrast_level_title"/>
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<PreferenceCategory
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android:key="experimental_category"
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android:persistent="false"
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118
src/com/android/settings/accessibility/ContrastLevelSeekBar.java
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118
src/com/android/settings/accessibility/ContrastLevelSeekBar.java
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@@ -0,0 +1,118 @@
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/*
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* Copyright (C) 2022 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.accessibility;
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import static android.view.HapticFeedbackConstants.CLOCK_TICK;
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import static com.android.settings.Utils.isNightMode;
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import static com.android.settings.accessibility.ContrastLevelSeekBarPreference.CONTRAST_SLIDER_TICKS;
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import android.content.Context;
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import android.content.res.ColorStateList;
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import android.content.res.Resources;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.os.UserHandle;
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import android.provider.Settings;
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import android.util.AttributeSet;
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import android.widget.SeekBar;
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import com.android.settings.R;
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/**
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* A custom seekbar for the contrast level setting.
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*
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* Adds a center line indicator between left and right, which snaps to if close.
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* Updates the Settings.Secure.CONTRAST_LEVEL setting on progress changed.
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*
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* TODO(b/266071578): remove this class and replace this with the final UI
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*/
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public class ContrastLevelSeekBar extends SeekBar {
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private final Context mContext;
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private int mLastProgress = -1;
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private final Paint mMarkerPaint;
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private final Rect mMarkerRect;
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private final OnSeekBarChangeListener mProxySeekBarListener = new OnSeekBarChangeListener() {
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@Override
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public void onStopTrackingTouch(SeekBar seekBar) { }
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@Override
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public void onStartTrackingTouch(SeekBar seekBar) { }
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@Override
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public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
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if (!fromUser || progress == mLastProgress) return;
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seekBar.performHapticFeedback(CLOCK_TICK);
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mLastProgress = progress;
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// rescale progress from [0, 1, 2] to [0, 0.5, 1]
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final float contrastLevel = (float) progress / CONTRAST_SLIDER_TICKS;
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Settings.Secure.putFloatForUser(mContext.getContentResolver(),
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Settings.Secure.CONTRAST_LEVEL, contrastLevel, UserHandle.USER_CURRENT);
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}
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};
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public ContrastLevelSeekBar(Context context, AttributeSet attrs) {
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this(context, attrs, com.android.internal.R.attr.seekBarStyle);
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}
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public ContrastLevelSeekBar(Context context, AttributeSet attrs, int defStyleAttr) {
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this(context, attrs, defStyleAttr, 0 /* defStyleRes */);
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}
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public ContrastLevelSeekBar(
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Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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mContext = context;
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Resources res = getResources();
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mMarkerRect = new Rect(0 /* left */, 0 /* top */,
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res.getDimensionPixelSize(R.dimen.contrast_level_seekbar_center_marker_width),
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res.getDimensionPixelSize(R.dimen.contrast_level_seekbar_center_marker_height));
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mMarkerPaint = new Paint();
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// the might be a better colour for the markers, but this slider is temporary anyway
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mMarkerPaint.setColor(isNightMode(context) ? Color.WHITE : Color.BLACK);
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mMarkerPaint.setStyle(Paint.Style.FILL);
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// Remove the progress colour
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setProgressTintList(ColorStateList.valueOf(Color.TRANSPARENT));
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super.setOnSeekBarChangeListener(mProxySeekBarListener);
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}
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@Override
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public void setOnSeekBarChangeListener(OnSeekBarChangeListener listener) { }
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// Note: the superclass AbsSeekBar.onDraw is synchronized.
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@Override
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protected synchronized void onDraw(Canvas canvas) {
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// Draw a marker at the center of the seekbar
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int seekBarCenter = (getHeight() - getPaddingBottom()) / 2;
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float sliderWidth = getWidth() - mMarkerRect.right - getPaddingEnd();
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canvas.save();
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canvas.translate(sliderWidth / 2f,
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seekBarCenter - (mMarkerRect.bottom / 2f));
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canvas.drawRect(mMarkerRect, mMarkerPaint);
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canvas.restore();
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super.onDraw(canvas);
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}
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}
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@@ -0,0 +1,73 @@
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/*
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* Copyright (C) 2022 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.accessibility;
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import android.content.Context;
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import android.os.UserHandle;
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import android.provider.Settings;
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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.PreferenceViewHolder;
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import com.android.settings.R;
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import com.android.settings.widget.SeekBarPreference;
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/** A slider preference that directly controls the contrast level **/
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public class ContrastLevelSeekBarPreference extends SeekBarPreference {
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/**
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* The number of ticks of the slider (the more ticks, the more continuous the slider feels).
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*/
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public static final int CONTRAST_SLIDER_TICKS = 2;
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private final Context mContext;
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private ContrastLevelSeekBar mSeekBar;
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public ContrastLevelSeekBarPreference(Context context, AttributeSet attrs) {
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super(context, attrs, TypedArrayUtils.getAttr(context,
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R.attr.preferenceStyle,
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android.R.attr.preferenceStyle));
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mContext = context;
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setLayoutResource(R.layout.preference_contrast_level_slider);
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}
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@Override
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public void onBindViewHolder(PreferenceViewHolder view) {
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super.onBindViewHolder(view);
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mSeekBar = (ContrastLevelSeekBar) view.findViewById(
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com.android.internal.R.id.seekbar);
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init();
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}
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private void init() {
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if (mSeekBar == null) {
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return;
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}
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final float contrastLevel = Settings.Secure.getFloatForUser(
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mContext.getContentResolver(), Settings.Secure.CONTRAST_LEVEL,
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0.f /* default */, UserHandle.USER_CURRENT);
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mSeekBar.setMax(CONTRAST_SLIDER_TICKS);
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// Rescale contrast from [0, 0.5, 1] to [0, 1, 2]
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int progress = Math.max(0, Math.round(contrastLevel * CONTRAST_SLIDER_TICKS));
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mSeekBar.setProgress(progress);
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mSeekBar.setEnabled(isEnabled());
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}
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}
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@@ -0,0 +1,69 @@
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/*
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* Copyright (C) 2022 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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* http://www.apache.org/licenses/LICENSE-2.0
|
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*
|
||||
* 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.
|
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*/
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package com.android.settings.accessibility;
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import static com.android.settings.accessibility.ContrastLevelSeekBarPreference.CONTRAST_SLIDER_TICKS;
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import static com.google.common.truth.Truth.assertThat;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.LinearLayout;
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import androidx.preference.PreferenceViewHolder;
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import com.android.settings.testutils.shadow.ShadowInteractionJankMonitor;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.robolectric.RobolectricTestRunner;
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import org.robolectric.RuntimeEnvironment;
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import org.robolectric.annotation.Config;
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@RunWith(RobolectricTestRunner.class)
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@Config(shadows = {ShadowInteractionJankMonitor.class})
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public class ContrastLevelSeekBarPreferenceTest {
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private Context mContext;
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private AttributeSet mAttrs;
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private PreferenceViewHolder mHolder;
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private ContrastLevelSeekBar mSeekBar;
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private ContrastLevelSeekBarPreference mSeekBarPreference;
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@Before
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public void setUp() {
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mContext = RuntimeEnvironment.application;
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mSeekBarPreference = new ContrastLevelSeekBarPreference(mContext, mAttrs);
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LayoutInflater inflater = LayoutInflater.from(mContext);
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final View view =
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inflater.inflate(mSeekBarPreference.getLayoutResource(),
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new LinearLayout(mContext), false);
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mHolder = PreferenceViewHolder.createInstanceForTests(view);
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mSeekBar = view.findViewById(com.android.internal.R.id.seekbar);
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}
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@Test
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public void seekBarPreferenceOnBindViewHolder_shouldInitSeekBarValue() {
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mSeekBarPreference.onBindViewHolder(mHolder);
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assertThat(mSeekBar.getMax()).isEqualTo(CONTRAST_SLIDER_TICKS);
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assertThat(mSeekBar.getProgress()).isEqualTo(0);
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}
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}
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@@ -0,0 +1,106 @@
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/*
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* 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.
|
||||
*/
|
||||
|
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package com.android.settings.accessibility;
|
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|
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import static android.view.HapticFeedbackConstants.CLOCK_TICK;
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import static android.view.HapticFeedbackConstants.CONTEXT_CLICK;
|
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|
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import static com.android.settings.accessibility.ContrastLevelSeekBarPreference.CONTRAST_SLIDER_TICKS;
|
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import static com.google.common.truth.Truth.assertThat;
|
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import static org.robolectric.Shadows.shadowOf;
|
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|
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import android.content.Context;
|
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import android.os.UserHandle;
|
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import android.provider.Settings;
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import android.widget.SeekBar;
|
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import org.junit.Before;
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import org.junit.Test;
|
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import org.junit.runner.RunWith;
|
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import org.robolectric.RobolectricTestRunner;
|
||||
import org.robolectric.RuntimeEnvironment;
|
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|
||||
@RunWith(RobolectricTestRunner.class)
|
||||
public class ContrastLevelSeekBarTest {
|
||||
|
||||
private Context mContext;
|
||||
private ContrastLevelSeekBar mSeekBar;
|
||||
private SeekBar.OnSeekBarChangeListener mProxySeekBarListener;
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
mContext = RuntimeEnvironment.application;
|
||||
mSeekBar = new ContrastLevelSeekBar(mContext, null);
|
||||
mProxySeekBarListener = shadowOf(mSeekBar).getOnSeekBarChangeListener();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void onProgressChanged_minimumValue_shouldModifyContrast() {
|
||||
// Assign the test value of SeekBar progress
|
||||
mProxySeekBarListener.onProgressChanged(mSeekBar, 0, true);
|
||||
|
||||
assertThat(Settings.Secure.getFloatForUser(
|
||||
mContext.getContentResolver(), Settings.Secure.CONTRAST_LEVEL,
|
||||
-10f, UserHandle.USER_CURRENT)).isEqualTo(0);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void onProgressChanged_centerValue_shouldModifyContrast() {
|
||||
// Assign the test value of SeekBar progress
|
||||
mProxySeekBarListener.onProgressChanged(mSeekBar, CONTRAST_SLIDER_TICKS / 2, true);
|
||||
|
||||
assertThat(Settings.Secure.getFloatForUser(
|
||||
mContext.getContentResolver(), Settings.Secure.CONTRAST_LEVEL,
|
||||
-10f, UserHandle.USER_CURRENT)).isWithin(1e-8f).of(0.5f);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void onProgressChanged_maximumValue_shouldModifyContrast() {
|
||||
// Assign the test value of SeekBar progress
|
||||
mProxySeekBarListener.onProgressChanged(mSeekBar, CONTRAST_SLIDER_TICKS, true);
|
||||
|
||||
assertThat(Settings.Secure.getFloatForUser(
|
||||
mContext.getContentResolver(), Settings.Secure.CONTRAST_LEVEL,
|
||||
-10f, UserHandle.USER_CURRENT)).isEqualTo(1);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void onProgressChanged_minimumValue_clockTickFeedbackPerformed() {
|
||||
mSeekBar.performHapticFeedback(CONTEXT_CLICK);
|
||||
mProxySeekBarListener.onProgressChanged(mSeekBar, 0, true);
|
||||
|
||||
assertThat(shadowOf(mSeekBar).lastHapticFeedbackPerformed()).isEqualTo(CLOCK_TICK);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void onProgressChanged_centerValue_clockTickFeedbackPerformed() {
|
||||
mSeekBar.performHapticFeedback(CONTEXT_CLICK);
|
||||
mProxySeekBarListener.onProgressChanged(mSeekBar, CONTRAST_SLIDER_TICKS / 2, true);
|
||||
|
||||
assertThat(shadowOf(mSeekBar).lastHapticFeedbackPerformed()).isEqualTo(CLOCK_TICK);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void onProgressChanged_maximumValue_clockTickFeedbackPerformed() {
|
||||
mSeekBar.performHapticFeedback(CONTEXT_CLICK);
|
||||
mProxySeekBarListener.onProgressChanged(mSeekBar, CONTRAST_SLIDER_TICKS, true);
|
||||
|
||||
assertThat(shadowOf(mSeekBar).lastHapticFeedbackPerformed()).isEqualTo(CLOCK_TICK);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user