Android上的手电筒软件，开启相机闪光灯作为照明手电筒，而不是LED屏幕。-A flashlight software on Android, turn on the camera flash as a torch lighting, not the LED screen.

You should lock(screen) the phone before run this project(via android IDE) , because notification LED will be highlighted only when screen is o-You should lock(screen) the phone before run this project(via android IDE) , because notification LED will

三列瀑布流源码是一个瀑布流的例子源码，因为本例子的图片都是高清无码的大图如果是用流量会很费，建议wifi测试，瀑布流的实现是定义三个linearlayout，然后向里面addView(),如果多了会出现oom异常，所以做了一些处理。1.lrucache缓存2.只显示当前屏的图片3.滑动过程中不加载图片4.大图缩放成小图，项目编码UTF-8默认编译版本4.4.2注释丰富。-The source codes of three columns of waterfall flow is a waterf