cdff5c6ceb
Revert submission 13422386-seekbar-sc-dev Reason for revert: build broken in SettingsGoogle Reverted Changes: I0c2d0d5fb:Apply SettingsLib SeekBarPreference to SettingsGoo... I1844bb3b0:Apply SettingsLib SeekBarPreference to a11y vibrat... Ia3e4adec8:Apply SettingsLib SeekBarPreference to a11y vibrat... Iadee57e9d:Apply SettingsLib SeekBarPreference to a11y vibrat... I219878716:Apply SettingsLib SeekBarPreference to Settings I959f5672c:Create SettingsLibSeekBarPreference I92545a69c:Apply SettingsLib SeekBarPreference to a11y vibrat... Change-Id: Ie6c3b0dc072e044796abdb33fca305f9f9d47c4d Bug: 176818438
73 lines
2.6 KiB
Java
73 lines
2.6 KiB
Java
/*
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* Copyright (C) 2019 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.media.AudioSystem;
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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.view.View;
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import android.widget.ImageView;
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import android.widget.SeekBar;
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import androidx.core.content.res.TypedArrayUtils;
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import androidx.preference.Preference;
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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 audio balance **/
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public class BalanceSeekBarPreference extends SeekBarPreference {
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private static final int BALANCE_CENTER_VALUE = 100;
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private static final int BALANCE_MAX_VALUE = 200;
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private final Context mContext;
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private BalanceSeekBar mSeekBar;
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private ImageView mIconView;
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public BalanceSeekBarPreference(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_balance_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 = (BalanceSeekBar) view.findViewById(com.android.internal.R.id.seekbar);
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mIconView = (ImageView) view.findViewById(com.android.internal.R.id.icon);
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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 balance = Settings.System.getFloatForUser(
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mContext.getContentResolver(), Settings.System.MASTER_BALANCE,
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0.f /* default */, UserHandle.USER_CURRENT);
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// Rescale balance to range 0-BALANCE_MAX_VALUE centered at BALANCE_MAX_VALUE / 2.
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mSeekBar.setMax(BALANCE_MAX_VALUE);
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mSeekBar.setProgress((int) (balance * 100.f) + BALANCE_CENTER_VALUE);
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mSeekBar.setEnabled(isEnabled());
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}
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}
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