12.2 You are given the source to an application which crashes when it is run. After running it ten times in a debugger, you find it never crashes in the same place. The application is single threaded, and uses only the C standard library. What progra
最近在做一个项目,使用了第三方的开源项目,主要是想实现android5.0之后推出的MaterialDesign的风格,但是代码已经写好了,发现一运行就闪退,所以就开始debug,发现问题出现在 Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); 很显然应该是在第二行出错了,再根据logcat上的日志: This Activity already has an action b
Timeline: Activity_launch_request time:6562004-14 15:31:25.347: I/dalvikvm(3483): Total arena pages for JIT: 1104-14 15:31:25.621: D/dalvikvm(3483): JIT unchain all for threadid=1304-14 15:31:26.371: W/dalvikvm(3483): threadid=1: spin on suspend #1 t