android鎖屏（三）

鎖屏服務類。1，啟動後首先註冊接受螢幕的關閉和開啟的廣播：廣播中處理開屏鎖屏任務；2，擷取電話管理服務，註冊通話狀態監聽：監聽手機響鈴狀態、掛起狀態、空閑狀態。以Handler方式執行不同的任務。同樣這裡也是處理鬧鐘啊一些可以你認為可以在鎖屏時候啟動並執行東西。這裡我沒寫，Dome而已，還是湊合看看吧

import android.app.KeyguardManager;import android.app.Service;import android.app.KeyguardManager.KeyguardLock;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.content.IntentFilter;import android.os.Handler;import android.os.IBinder;import android.os.Message;import android.os.PowerManager;import android.telephony.PhoneStateListener;import android.telephony.TelephonyManager;import android.util.Log;public class LockService extends Service {protected static final String TAG = "SAFLockService";KeyguardManager mKeyguardManager;private KeyguardLock mKeyguardLock = null;private TelephonyManager tm;private Context mContext;@Overridepublic void onCreate() {super.onCreate();mContext = this.getApplicationContext();Log.v(TAG, "=============onCreate:================");IntentFilter filter = new IntentFilter();filter.addAction(Intent.ACTION_SCREEN_OFF);filter.addAction(Intent.ACTION_SCREEN_ON);registerReceiver(mScreenReceiver, filter);mKeyguardManager = (KeyguardManager) this.getSystemService(Context.KEYGUARD_SERVICE);mKeyguardLock = mKeyguardManager.newKeyguardLock("");mKeyguardLock.disableKeyguard();tm = (TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE);SAFLockPhoneCallListener myPhoneCallListener = new SAFLockPhoneCallListener();tm.listen(myPhoneCallListener, PhoneStateListener.LISTEN_CALL_STATE);SAFLockConstants.loadInitParam(this);this.setForeground(true);}@Overridepublic IBinder onBind(Intent intent) {return null;}@Overridepublic void onDestroy() {super.onDestroy();mKeyguardLock.reenableKeyguard();mHandler.removeMessages(SAFLockConstants.EVENT_LOCK_SCREEN);unregisterReceiver(mScreenReceiver);}/** * set a listener to listen the phonestate,that we can do somthing by one * of phonestates. *  * @author liao  */public class SAFLockPhoneCallListener extends PhoneStateListener {public void onCallStateChanged(int state, String incomingNumber) {switch (state) {// Phone in idlecase TelephonyManager.CALL_STATE_IDLE:Log.v(TAG, "=============CALL_STATE_IDLE:================");SAFLockConstants.PHONE_STATE = TelephonyManager.CALL_STATE_IDLE;if (SAFLockConstants.isLockecd) {mHandler.removeMessages(SAFLockConstants.EVENT_LOCK_SCREEN);mHandler.sendEmptyMessage(SAFLockConstants.EVENT_LOCK_SCREEN);}break;// Phone is hung upcase TelephonyManager.CALL_STATE_OFFHOOK:Log.v(TAG, "=============CALL_STATE_OFFHOOK:================");SAFLockConstants.PHONE_STATE = TelephonyManager.CALL_STATE_OFFHOOK;break;// Cell phone ringcase TelephonyManager.CALL_STATE_RINGING:Log.v(TAG, "=============CALL_STATE_RINGING:================");SAFLockConstants.PHONE_STATE = TelephonyManager.CALL_STATE_RINGING;break;default:Log.v(TAG, "=============default:================");break;}}}private Handler mHandler = new Handler() {@Overridepublic void handleMessage(Message msg) {switch (msg.what) {case SAFLockConstants.EVENT_LOCK_SCREEN:// ====read user customizationSAFLockConstants.updateLockIntent("saf.cmcc.lock.THEME_DEFAULT", mContext);// keep the task running 2s in sleeping mode.PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);// Keep the CPU running, and the screen and keyboard light may// be closed.PowerManager.WakeLock mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "SAFLock");mWakeLock.acquire(2000L);Intent mLockScreenIntent = new Intent(mContext,SAFFullScreenActivity.class);mLockScreenIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);mLockScreenIntent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);mContext.startActivity(mLockScreenIntent);break;default:break;}}};private BroadcastReceiver mScreenReceiver = new BroadcastReceiver() {@Overridepublic void onReceive(Context context, Intent intent) {String action = intent.getAction();if (Intent.ACTION_SCREEN_OFF.equalsIgnoreCase(action)) {// load intentif (SAFLockConstants.LOCK_ENABLE&& SAFLockConstants.PHONE_STATE == TelephonyManager.CALL_STATE_IDLE) {// =====send message after a short delayif (!SAFLockConstants.isLockecd) {mHandler.removeMessages(SAFLockConstants.EVENT_LOCK_SCREEN);mHandler.sendEmptyMessageDelayed(SAFLockConstants.EVENT_LOCK_SCREEN, 100);}}} else if (Intent.ACTION_SCREEN_ON.equalsIgnoreCase(action)) {// ====remove unprocessed event.mHandler.removeMessages(SAFLockConstants.EVENT_LOCK_SCREEN);}}};}

注釋是英文的，上頭要求，沒辦法