Android Development: Use WiFi as USB cable to test apps

Nowadays, we often use USB to connect to our device to test our programs. But how about wireless test? It may be more convenient. The default debug mode in Android is USB debug. We can do some small changes so that we can debug wirelessly. Let’s do it step by step.  Your should root your … Read moreAndroid Development: Use WiFi as USB cable to test apps

Java Problem: java.lang.NoSuchMethodError

I was doing a project to implement TCP over UDP. I used makefile to compile these java files easily. After editing and compiling several times, the Server became unavailable in terminal. It shows just like below.

However, it works well in Eclipse. I tried it in ubuntu and it also works. I have no … Read moreJava Problem: java.lang.NoSuchMethodError