小编Blu*_*rir的帖子

运行时我的项目出错了.

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.olympic/com.prima.olympic.ProductDetail}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference

这是完整的日志:

06-06 23:12:45.561: E/AndroidRuntime(17135): FATAL EXCEPTION: main
06-06 23:12:45.561: E/AndroidRuntime(17135): Process: com.example.olympic, PID: 17135
06-06 23:12:45.561: E/AndroidRuntime(17135): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.olympic/com.prima.olympic.ProductDetail}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
06-06 23:12:45.561: E/AndroidRuntime(17135):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2693)
06-06 23:12:45.561: E/AndroidRuntime(17135):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758)
06-06 23:12:45.561: E/AndroidRuntime(17135):    at android.app.ActivityThread.access$900(ActivityThread.java:177)
06-06 23:12:45.561: E/AndroidRuntime(17135):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448)
06-06 23:12:45.561: E/AndroidRuntime(17135):    at …