Dy的专栏

https://blog.youkuaiyun.com/happy_bug/article/details/7895244android中手势操作图片的平移、缩放、旋转 以及旋转后图片的顶点坐标计算

//心形 https://www.jianshu.com/p/69819295a0ef?nomobile=yesint i, j;double x, y, r;for (i = 0; i <= 90; i++) { for (j = 0; j <= 90; j++) { r = Math.PI / 45 * i * (1 - Math.sin(Math....

1.传统方式camera.setPreviewCallback(this);camera.setPreviewDisplay(holder);@Overridepublic void onPreviewFrame(byte[] data, Camera camera) { Log.i("jack", "onPreviewFrame " );}2.另外一种ca...

1.Android View未显示时获取其高度（https://blog.youkuaiyun.com/u010886975/article/details/53007490）public int[] unDisplayViewSize(View view) { int size[] = new int[2]; int width = View.MeasureSpec.ma...

1、onMeasure(....)//循环计算child view measureChild(getChildViewAt(i),x,x); h = getChildViewAt(i).getMeasuredHeight();//计算子view的w h 设置本身setMeasureDimension （w,h）2、onLayout（） 布局view 位置 child.layou...

http://blog.youkuaiyun.com/xietansheng/article/details/54599454Handler handler =new Handler(Looper.getMainLooper()){ // 区别在这！！！！@OverridepublicvoidhandleMessage(Message msg) { Toast.makeText

1.往android 板子发送键值public static void sendKeyEvent(final int KeyCode) {             new Thread() {     //不可在主线程中调用                  public void run() {                      try {

1.参考 http://www.oschina.net/question/861681_116008 这里可以去拿到源码 在tomcat上2.导入Client 时候运行报错，需要把lib 改成libs3.向服务器发送message并由服务器转发给好友XmppManager.java假如这两个方法，用于接收Messageprivate PacketFilter packetF

1.问题在执行听写业务逻辑时候，执行了回到播放声音，但是clearTask 又置回原始状态，声音播放被打断runBusiness(){......onResultSpeechCallBackListener(mContent);//回调clearTask();//}clearTask(){mHandler2.obtainMessage(2).sendToTarg

转自:http://www.cnblogs.com/uvsjoh/archive/2013/01/17/2864630.html

dimens.xml        16dp    16dp    60dp    10dp    15dp    1colors.xml    #FFFFFF    #000000    #D3D3D3    #FF0000    #8A8A8A    #CD8162    #8A8A8A    #B8860B