直接就崩掉 烦死了,以前出现过这问题,后来解决了,然后就忘记了。现在又出现这问题越是着急赶项目越是出乱子。巨烦。
今天记录下来 免得以后又翻半天度娘。
爆出的异常是这样的:
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.sm.zhongketui2, PID: 27884
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.sm.zhongketui2/com.sm.zhongketui2.activity.CenterActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2404)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2466)
at android.app.ActivityThread.access$900(ActivityThread.java:175)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1369)
at android.os.Handler.dispatchMessage(Handler.java:102)