android4.4 添加快捷开关(以截屏为例)
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A,frameworks\base\packages\SystemUI\res\values\config.xml
添加: <bool name="quick_settings_show_screenshot">true</bool>
B,frameworks\base\packages\SystemUI\res\values\strings.xml
添加:<string name="quick_settings_screen_shot_label">Screen shot</string>
C,frameworks\base\packages\SystemUI\res\values-zh-rCN\strings.xml
添加:<string name="quick_settings_screen_shot_label" msgid="f9870466a61654f367d">屏幕截图</string>
D,添加图标
①frameworks\base\packages\SystemUI\res\drawable-hdpi\ic_qs_screen_shot.png
②frameworks\base\packages\SystemUI\res\drawable-mdpi\ic_qs_screen_shot.png
③frameworks\base\packages\SystemUI\res\drawable-xhdpi\ic_qs_screen_shot.png
E,添加单布局文件:
frameworks\base\packages\SystemUI\res\layout\quick_settings_tile_screen_shot.xml
<?xml version="1.0" encoding="utf-8"?><!-- Copyright (C) 2012 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.--><TextView xmlns:android="http://schemas.android.com/apk/res/android" style="@style/TextAppearance.QuickSettings.TileView" android:id="@+id/screen_shot_textview" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:gravity="center" android:drawableTop="@drawable/ic_qs_screen_shot" android:text="@string/quick_settings_screen_shot_label" />
F,添加相应java代码:
frameworks\base\packages\SystemUI\src\com\android\systemui\statusbar\phone\QuickSettings.java
import android.content.ServiceConnection;import android.os.IBinder;import android.os.Message;import android.os.Messenger;
再在addTemporaryTiles() 方法里面的最后添加相应代码:
///////////////////////////////////////_1126///////////////////////////////////////////// // screen shot QuickSettingsTileView ScreenShotTile = (QuickSettingsTileView) inflater.inflate(R.layout.quick_settings_tile, parent, false); ScreenShotTile.setContent(R.layout.quick_settings_tile_screen_shot, inflater); ScreenShotTile.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Log.i(TAG, "---------------------------------screen shot is clicked."); //takeScreenshot(); mBar.collapseAllPanels(true); mHandler.removeCallbacks(mScreenshotClick); mHandler.postDelayed(mScreenshotClick, 500); } }); if (mContext.getResources().getBoolean(R.bool.quick_settings_show_screenshot)) { parent.addView(ScreenShotTile); }
随后在外部添加相应调用代码:
/*******************_1126*********************************/ // add by xxx, for screen shot in quick settings. private final Runnable mScreenshotClick = new Runnable() { public void run() { takeScreenshot(); } }; private final Object mScreenshotLock = new Object(); private ServiceConnection mScreenshotConnection = null; private final Runnable mScreenshotTimeout = new Runnable() { @Override public void run() { synchronized (mScreenshotLock) { if (mScreenshotConnection != null) { mContext.unbindService(mScreenshotConnection); mScreenshotConnection = null; } } } }; // Assume this is called from the Handler thread. private void takeScreenshot() { Log.i("bright", "start take screen shot."); synchronized (mScreenshotLock) { if (mScreenshotConnection != null) { return; } ComponentName cn = new ComponentName("com.android.systemui", "com.android.systemui.screenshot.TakeScreenshotService"); Intent intent = new Intent(); intent.setComponent(cn); ServiceConnection conn = new ServiceConnection() { @Override public void onServiceConnected(ComponentName name, IBinder service) { synchronized (mScreenshotLock) { if (mScreenshotConnection != this) { return; } Messenger messenger = new Messenger(service); Message msg = Message.obtain(null, 1); final ServiceConnection myConn = this; Handler h = new Handler(mHandler.getLooper()) { @Override public void handleMessage(Message msg) { synchronized (mScreenshotLock) { if (mScreenshotConnection == myConn) { mContext.unbindService(mScreenshotConnection); mScreenshotConnection = null; mHandler.removeCallbacks(mScreenshotTimeout); } } } }; msg.replyTo = new Messenger(h); msg.arg1 = msg.arg2 = 1; try { messenger.send(msg); } catch (RemoteException e) { } } } @Override public void onServiceDisconnected(ComponentName name) {} }; if (mContext.bindService( intent, conn, Context.BIND_AUTO_CREATE)) { mScreenshotConnection = conn; mHandler.postDelayed(mScreenshotTimeout, 10000); } } } /**************************************************/
系统编译后的最终效果如下图(找了个关于SIM的图标代替):
------------------------------------------------------------------------------------- -------------------------------------- -------------------------
参考:http://blog.csdn.net/yicao821/article/details/17416649
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