一:如何添加快捷开关

源码路径:frameworks/base/packages/SystemUI/res/values/config.xml

添加headset快捷开关,参考如下修改。

Index: res/values/config.xml
===================================================================
--- res/values/config.xml (版本 6870)
+++ res/values/config.xml (工作副本)
@@ -101,7 +101,7 @@
<!-- The default tiles to display in QuickSettings -->
<!-- M: add hotknot tile -->
<string name="quick_settings_tiles_default" translatable="false">
- wifi,cell,battery,autobringht,custom(com.bullitt_group.night/nightsight.bullitt_group.com.night.quicksettings.QuickSettingsService),flashlight,dnd,rotation,bt,airplane,hotknot,nfc,location
+ wifi,cell,battery,autobringht,custom(com.bullitt_group.night/nightsight.bullitt_group.com.night.quicksettings.QuickSettingsService),flashlight,dnd,rotation,bt,airplane,hotknot,nfc,location,headset
</string> <!-- Tiles native to System UI. Order should match "quick_settings_tiles_default" -->

Android版本7.1修改方式

源码路径:frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java

创建HeadsetTile 对象,实现快捷开关主要功能。

Index: src/com/android/systemui/statusbar/phone/QSTileHost.java
===================================================================
--- src/com/android/systemui/statusbar/phone/QSTileHost.java (版本 6870)
+++ src/com/android/systemui/statusbar/phone/QSTileHost.java (工作副本)
@@ -41,6 +41,7 @@
import com.android.systemui.qs.external.TileLifecycleManager;
import com.android.systemui.qs.external.TileServices;
import com.android.systemui.qs.tiles.AirplaneModeTile;
+import com.android.systemui.qs.tiles.HeadsetTile;
import com.android.systemui.qs.tiles.BatteryTile;
import com.android.systemui.qs.tiles.BluetoothTile;
import com.android.systemui.qs.tiles.CastTile;
@@ -501,6 +502,7 @@
else if (tileSpec.equals("battery")) return new BatteryTile(this);
else if (tileSpec.equals("saver")) return new DataSaverTile(this);
else if (tileSpec.equals("night")) return new NightDisplayTile(this);
+ else if (tileSpec.equals("headset")) return new HeadsetTile(this); /// M: Add extra tiles in quicksetting @{
else if (tileSpec.equals("hotknot") && SIMHelper.isMtkHotKnotSupport())

Android8.0修改方式,原理一样,只是代码路径不同,这里不做过多介绍。

源码路径:frameworks/base/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java

public class QSFactoryImpl implements QSFactory {

    private static final String TAG = "QSFactory";
private final QSTileHost mHost; public QSFactoryImpl(QSTileHost host) {
mHost = host;
} public QSTile createTile(String tileSpec) {
if (tileSpec.equals("wifi")) return new WifiTile(mHost);
else if (tileSpec.equals("bt")) return new BluetoothTile(mHost);
else if (tileSpec.equals("cell")) return new CellularTile(mHost);
else if (tileSpec.equals("dnd")) return new DndTile(mHost);
else if (tileSpec.equals("inversion")) return new ColorInversionTile(mHost);
else if (tileSpec.equals("airplane")) return new AirplaneModeTile(mHost);
else if (tileSpec.equals("work")) return new WorkModeTile(mHost);
else if (tileSpec.equals("rotation")) return new RotationLockTile(mHost);
else if (tileSpec.equals("flashlight")) return new FlashlightTile(mHost);
else if (tileSpec.equals("location")) return new LocationTile(mHost);
else if (tileSpec.equals("cast")) return new CastTile(mHost);
else if (tileSpec.equals("hotspot")) return new HotspotTile(mHost);
else if (tileSpec.equals("user")) return new UserTile(mHost);
else if (tileSpec.equals("battery")) return new BatterySaverTile(mHost);
else if (tileSpec.equals("saver")) return new DataSaverTile(mHost);
else if (tileSpec.equals("night")) return new NightDisplayTile(mHost);
else if (tileSpec.equals("nfc")) return new NfcTile(mHost);
// Intent tiles.
else if (tileSpec.startsWith(IntentTile.PREFIX)) return IntentTile.create(mHost, tileSpec);
else if (tileSpec.startsWith(CustomTile.PREFIX)) return CustomTile.create(mHost, tileSpec);
else {
Log.w(TAG, "Bad tile spec: " + tileSpec);
return null;
}
}
二:快捷开关功能实现

这里主要实现,打开开关弹出Notification(不可删除通知),关闭开关才能关闭通知。

源码路径:frameworks/base/packages/SystemUI/src/com/android/systemui/qs/tiles/HeadsetTile.java

  1. 继承 QSTile<QSTile.BooleanState>
  2. newTileState方法中return new BooleanState()
  3. handleClick方法处理点击事件
  4. handleUpdateState方法更新状态信息
/*
* Copyright (c) 2016, 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.systemui.qs.tiles; import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.provider.Settings;
import android.util.Log;
import android.widget.Switch; import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.MetricsProto.MetricsEvent;
import com.android.systemui.R;
import com.android.systemui.SystemUI;
import com.android.systemui.qs.QSTile; public class HeadsetTile extends QSTile<QSTile.BooleanState> { private Notification notification = new Notification();
private NotificationManager mNotificationManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
private boolean headsetState; public boolean isHeadsetState() {
return headsetState;
} public void setHeadsetState(boolean headsetState) {
this.headsetState = headsetState;
} public HeadsetTile(Host host) {
super(host);
} @Override
public BooleanState newTileState() {
return new BooleanState();
} @Override
protected void handleClick() {
//default mState.value is false
final boolean activated = !mState.value;
Log.d("jasun", "========activated========" + activated);
MetricsLogger.action(mContext, getMetricsCategory(), activated);
if (activated == true) {
SendNotification("Disable the headphone jack.");
setHeadsetState(activated);
} else {
mNotificationManager.cancel(1);
setHeadsetState(activated);
}
refreshState();
} @Override
protected void handleUpdateState(BooleanState state, Object arg) {
final boolean isActivated = isHeadsetState();
state.value = isActivated;
state.label = mContext.getString(R.string.quick_settings_headset_label);
state.icon = ResourceIcon.get(isActivated ? R.drawable.ic_qs_headset_on
: R.drawable.ic_qs_headset_off);
state.contentDescription = mContext.getString(isActivated
? R.string.quick_settings_headset_summary_on
: R.string.quick_settings_headset_summary_off);
state.minimalAccessibilityClassName = state.expandedAccessibilityClassName
= Switch.class.getName();
} @Override
public int getMetricsCategory() {
return MetricsEvent.QS_headset;
} @Override
public Intent getLongClickIntent() {
return new Intent(Settings.ACTION_headset_SETTINGS);
} @Override
protected void setListening(boolean listening) { } private void sendNotification(String message) {
Intent intent = new Intent(mContext, SystemUI.class);
PendingIntent pendingIntent = PendingIntent.getActivity(mContext, 0,
intent, 0);
notification.icon = R.drawable.ic_qs_headset_on;
notification.tickerText = "HeadSet can not used";
notification.when = System.currentTimeMillis();
notification.defaults = Notification.DEFAULT_SOUND
| Notification.DEFAULT_VIBRATE;// set default sound
// notification.flags = Notification.FLAG_AUTO_CANCEL;// click auto disappeared
notification.flags = Notification.FLAG_NO_CLEAR;
notification.setLatestEventInfo(mContext, "Headset can not used", message, pendingIntent); mNotificationManager.notify(1, notification); } @Override
public CharSequence getTileLabel() {
return mContext.getString(R.string.quick_settings_headset_label);
}
}

喜欢源码分析系列可参考其他文章:

Android源码分析(一)-----如何快速掌握Android编译文件

Android源码分析(二)-----如何编译修改后的framework资源文件

Android源码分析(三)-----系统框架设计思想

Android源码分析(四)-----Android源码编译及刷机步骤

Android源码分析(五)-----如何从架构师的角度去设计Framework框架

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