锁定触控按键

 

1 在KeyEvent文件 中自定义键值

 

KeyEvent.KEYCODE_KEYLOCK

 

2 PhoneWindowManager 在方法public int interceptKeyTq（）中加入

 

 if(event.keycode == KeyEvent.KEYCODE_KEYLOCK && event.value != 0 ){           
            long when = System.currentTimeMillis();
            if(!mTouchKeyLock){
                mTouchKeyLock = true;
                Context context = mContext;
                String ns = Context.NOTIFICATION_SERVICE;
                NotificationManager mNotificationManager =(NotificationManager)mContext.getSystemService(ns);

                IntentFilter filter = new IntentFilter();
                filter.addAction(LOCK_ACTION);
                mContext.registerReceiver(mBroadcastReceiver,filter);

                int icon = com.android.internal.R.drawable.stat_key_locked;
                CharSequence tickerText = mContext.getResources().getString(com.android.internal.R.string.label_key_locked);
                Notification notification = new Notification(icon, tickerText, when);
                notification.defaults |= Notification.DEFAULT_SOUND;
                notification.flags = Notification.FLAG_AUTO_CANCEL | Notification.FLAG_NO_CLEAR;

                CharSequence contentTitle = mContext.getResources().getString(com.android.internal.R.string.label_key_locked_name);
                CharSequence contentText = mContext.getResources().getString(com.android.internal.R.string.label_key_unlocked);
                Intent intent = new Intent();
                //intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
                intent.setAction(LOCK_ACTION);
                PendingIntent contentIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0);
                notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent);
                mNotificationManager.notify(KEY_LOCKED_ID, notification);

                result &= ~ACTION_PASS_TO_USER;
                return result;
            } else {
                mTouchKeyLock = false;
                String ns = Context.NOTIFICATION_SERVICE;
                NotificationManager mNotificationManager =(NotificationManager)mContext.getSystemService(ns);
                mNotificationManager.cancel(KEY_LOCKED_ID);

                result &= ~ACTION_PASS_TO_USER;
                return result;
            }
        }
        if(mTouchKeyLock){           
            if(event.keycode == KeyEvent.KEYCODE_MENU || event.keycode ==KeyEvent.KEYCODE_BACK
                || event.keycode ==KeyEvent.KEYCODE_SEARCH || event.keycode ==KeyEvent.KEYCODE_HOME){
           
                result &= ~ACTION_PASS_TO_USER;
                return result;
            }
        }