Files
app_Settings/src/com/android/settings/widget/MasterSwitchPreference.java
Doris Ling e2ad415fdb Add content description to the master switch toggle button.
Set the preference title as the toggle button's content description, so
that when user focus on the button, it will read the lable as well on
top of just "switch on" or "switch off".

Change-Id: Id1954fd54b7d38cb4e75d8b3e49d05ee694e0e41
Fix: 37618855
Test: make RunSettingsRoboTests
2017-04-27 15:09:21 -07:00

122 lines
3.7 KiB
Java

/*
* Copyright (C) 2017 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.widget;
import android.content.Context;
import android.support.v7.preference.PreferenceViewHolder;
import android.util.AttributeSet;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Switch;
import android.widget.TextView;
import com.android.settings.R;
import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
import com.android.settingslib.TwoTargetPreference;
/**
* A custom preference that provides inline switch toggle. It has a mandatory field for title, and
* optional fields for icon and sub-text.
*/
public class MasterSwitchPreference extends TwoTargetPreference {
private Switch mSwitch;
private boolean mChecked;
private boolean mEnableSwitch = true;
public MasterSwitchPreference(Context context, AttributeSet attrs,
int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
}
public MasterSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
public MasterSwitchPreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
public MasterSwitchPreference(Context context) {
super(context);
}
@Override
protected int getSecondTargetResId() {
return R.layout.preference_widget_master_switch;
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
super.onBindViewHolder(holder);
final View widgetView = holder.findViewById(android.R.id.widget_frame);
if (widgetView != null) {
widgetView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (mSwitch != null && !mSwitch.isEnabled()) {
return;
}
setChecked(!mChecked);
if (!callChangeListener(mChecked)) {
setChecked(!mChecked);
} else {
persistBoolean(mChecked);
}
}
});
}
mSwitch = (Switch) holder.findViewById(R.id.switchWidget);
if (mSwitch != null) {
mSwitch.setContentDescription(getTitle());
mSwitch.setChecked(mChecked);
mSwitch.setEnabled(mEnableSwitch);
}
}
public boolean isChecked() {
return mSwitch != null && mSwitch.isEnabled() && mChecked;
}
public void setChecked(boolean checked) {
mChecked = checked;
if (mSwitch != null) {
mSwitch.setChecked(checked);
}
}
public void setSwitchEnabled(boolean enabled) {
mEnableSwitch = enabled;
if (mSwitch != null) {
mSwitch.setEnabled(enabled);
}
}
/**
* If admin is not null, disables the switch.
* Otherwise, keep it enabled.
*/
public void setDisabledByAdmin(EnforcedAdmin admin) {
setSwitchEnabled(admin == null);
}
public Switch getSwitch() {
return mSwitch;
}
}