Android 删除 未接来电 通知 _移动开发_编程开发_程序员俱乐部

    @Override
    public void onWindowFocusChanged(boolean hasFocus) {
        super.onWindowFocusChanged(hasFocus);

        // Clear notifications only when window gains focus.  This activity won't
        // immediately receive focus if the keyguard screen is above it.
        if (hasFocus) {
            try {
                ITelephony iTelephony =
                        ITelephony.Stub.asInterface(ServiceManager.getService("phone"));
                if (iTelephony != null) {
                    iTelephony.cancelMissedCallsNotification();//删除未接来电通知
                } else {
                    Log.w(TAG, "Telephony service is null, can't call " +
                            "cancelMissedCallsNotification");
                }
            } catch (RemoteException e) {
                Log.e(TAG, "Failed to clear missed calls notification due to remote exception");
            }
        }
    }

    private void resetNewCallsFlag() {//修改数据库字段，使改条通话记录不是最新通知  防止机器重新启动后又有未接电话通知
        // Mark all "new" missed calls as not new anymore
        StringBuilder where = new StringBuilder("type=");
        where.append(Calls.MISSED_TYPE);
        where.append(" AND new=1");

        ContentValues values = new ContentValues(1);
        values.put(Calls.NEW, "0");
        this.getContentResolver().update(Calls.CONTENT_URI, values, where.toString(), null); 
   }