Android编程中黑名单的实现方法

/*** 挂断电话*/public void endCall() {    try {      Method method = Class.forName("android.os.ServiceManager").getMethod("getService", String.class);      IBinder binder = (IBinder) method.invoke(null, new Object[]{TELEPHONY_SERVICE});      ITelephony telephony = ITelephony.Stub.asInterface(binder);      telephony.endCall();    } catch (Exception e) {      e.printStackTrace();    }}

/*** 删除呼叫记录*/public void deleteCallLog(String incomingNumber) {    ContentResolver resolver = getContentResolver();    Cursor cursor = resolver.query(CallLog.Calls.CONTENT_URI, null,"number=?", new String[]{incomingNumber}, null);    if(cursor.moveToNext()){      String id = cursor.getString(cursor.getColumnIndex("_id"));      resolver.delete(CallLog.Calls.CONTENT_URI, "_id=?", new String[]{id});    }}

private class MyObserver extends ContentObserver{    private String incomingNumber;    public MyObserver(Handler handler,String incomingNumber) {      super(handler);      this.incomingNumber = incomingNumber;    }    @Override    public void onChange(boolean selfChange) {      super.onChange(selfChange);      deleteCallLog(incomingNumber);      getContentResolver().unregisterContentObserver(this);    }}

public class AddressService extends Service{  private static final String TAG = "AddressService";  private TelephonyManager manager;  private MyPhoneListener listener;  private WindowManager wManager;  private View view;  private SharedPreferences sp;  long startTime = 0;  long endTime = 0;  private BlackNumberDao dao;  @Override  public IBinder onBind(Intent arg0) {    return null;  }  /**   * 服务第一次被创建的时候调用的方法   * 服务被初始化时调用的方法   */  @Override  public void onCreate() {    super.onCreate();    listener = new MyPhoneListener();    manager = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);    wManager = (WindowManager) this.getSystemService(WINDOW_SERVICE);    manager.listen(listener, PhoneStateListener.LISTEN_CALL_STATE);    sp = getSharedPreferences("config", MODE_PRIVATE);    dao = new BlackNumberDao(this);//   if(3000>(endTime - startTime)){//     String ns = Context.NOTIFICATION_SERVICE;//     NotificationManager mNotificationManager = (NotificationManager) getSystemService(ns);//     //定义通知栏展现的内容信息//     int icon = R.drawable.icon5;//     CharSequence tickerText = "我的通知栏标题";//     long when = System.currentTimeMillis();//     Notification notification = new Notification(icon, tickerText, when);//     //定义下拉通知栏时要展现的内容信息//     Context context = getApplicationContext();//     CharSequence contentTitle = "我的通知栏标展开标题";//     CharSequence contentText = "我的通知栏展开详细内容";//     Intent notificationIntent = new Intent(AddressService.this,BootStartDemo.class);//     PendingIntent contentIntent = PendingIntent.getActivity(AddressService.this, 0,notificationIntent, 0);//     notification.setLatestEventInfo(context, contentTitle, contentText,contentIntent);//     //用mNotificationManager的notify方法通知用户生成标题栏消息通知//     mNotificationManager.notify(1, notification);//   }  }  /**   * 服务停止的时候调用   */  @Override  public void onDestroy() {    super.onDestroy();    manager.listen(listener, PhoneStateListener.LISTEN_NONE);    listener = null;  }  private class MyPhoneListener extends PhoneStateListener{    /**     * 电话状态发生改变的时候调用的方法     */    @Override    public void onCallStateChanged(int state, String incomingNumber) {      super.onCallStateChanged(state, incomingNumber);      switch (state) {      case TelephonyManager.CALL_STATE_IDLE:        if(null != view){          wManager.removeView(view);          view = null;        }        endTime = System.currentTimeMillis();        break;      case TelephonyManager.CALL_STATE_RINGING: // 零响状态        //判断number是否在黑名单中        if(dao.find(incomingNumber)){          //挂断电话          endCall();          //删除呼叫记录//         deleteCallLog(incomingNumber);          ContentResolver resolver = getContentResolver();          resolver.registerContentObserver(CallLog.Calls.CONTENT_URI, true, new MyObserver(new Handler(),incomingNumber));        }        Log.i(TAG,"来电号码为"+ incomingNumber);        String address = NumberAddressService.getAddress(incomingNumber);        Log.i(TAG,"归属地为"+ address);        showLocation(address);        //获取当前系统的时间        startTime = System.currentTimeMillis();        break;      case TelephonyManager.CALL_STATE_OFFHOOK: //接通电话状态        break;      }    }  }  /**   * 在窗体上显示出来位置信息   * @param address   */  public void showLocation(String address) {    WindowManager.LayoutParams params = new WindowManager.LayoutParams();    params.height = WindowManager.LayoutParams.WRAP_CONTENT;    params.width = WindowManager.LayoutParams.WRAP_CONTENT;    params.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE        | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;    params.format = PixelFormat.TRANSLUCENT;    params.type = WindowManager.LayoutParams.TYPE_TOAST;    params.setTitle("Toast");    params.gravity = Gravity.LEFT | Gravity.TOP;    int x = sp.getInt("lastx", 0);    int y = sp.getInt("lasty", 0);    params.x = x;    params.y = y;    view = View.inflate(getApplicationContext(), R.layout.show_location, null);    LinearLayout ll_location = (LinearLayout) view.findViewById(R.id.ll_location);    TextView tv_location = (TextView) view.findViewById(R.id.tv_location);    int background = sp.getInt("background", 0);    if(0 == background){      ll_location.setBackgroundResource(R.drawable.call_locate_gray);    }else if(1 == background){      ll_location.setBackgroundResource(R.drawable.call_locate_orange);    }else {      ll_location.setBackgroundResource(R.drawable.call_locate_green);    }    tv_location.setText(address);    tv_location.setTextSize(24);    wManager.addView(view, params);  }  /**   * 删除呼叫记录   */  public void deleteCallLog(String incomingNumber) {    ContentResolver resolver = getContentResolver();    Cursor cursor = resolver.query(CallLog.Calls.CONTENT_URI, null,"number=?", new String[]{incomingNumber}, null);    if(cursor.moveToNext()){      String id = cursor.getString(cursor.getColumnIndex("_id"));      resolver.delete(CallLog.Calls.CONTENT_URI, "_id=?", new String[]{id});    }  }  /**   * 挂断电话   */  public void endCall() {    try {      Method method = Class.forName("android.os.ServiceManager").getMethod("getService", String.class);      IBinder binder = (IBinder) method.invoke(null, new Object[]{TELEPHONY_SERVICE});      ITelephony telephony = ITelephony.Stub.asInterface(binder);      telephony.endCall();    } catch (Exception e) {      e.printStackTrace();    }  }  private class MyObserver extends ContentObserver{    private String incomingNumber;    public MyObserver(Handler handler,String incomingNumber) {      super(handler);      this.incomingNumber = incomingNumber;    }    @Override    public void onChange(boolean selfChange) {      super.onChange(selfChange);      deleteCallLog(incomingNumber);      getContentResolver().unregisterContentObserver(this);    }  }}