weixin_36607316 2017-01-21 17:27 采纳率: 0%
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android studio错误日志这样的 不知道哪里错误 郁闷哭了

01-22 01:23:35.234 25771-25771/com.example.dell_user.wechat E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.dell_user.wechat, PID: 25771
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.dell_user.wechat/com.example.dell_user.wechat.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewGroup$LayoutParams android.widget.ImageView.getLayoutParams()' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2703)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2774)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1588)
at android.os.Handler.dispatchMessage(Handler.java:111)
at android.os.Looper.loop(Looper.java:207)
at android.app.ActivityThread.main(ActivityThread.java:5955)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:930)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:791)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewGroup$LayoutParams android.widget.ImageView.getLayoutParams()' on a null object reference
at com.example.dell_user.wechat.MainActivity.initLineImage(MainActivity.java:93)
at com.example.dell_user.wechat.MainActivity.onCreate(MainActivity.java:40)
at android.app.Activity.performCreate(Activity.java:6378)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1124)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2656)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2774) 
at android.app.ActivityThread.-wrap11(ActivityThread.java) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1588) 
at android.os.Handler.dispatchMessage(Handler.java:111) 
at android.os.Looper.loop(Looper.java:207) 
at android.app.ActivityThread.main(ActivityThread.java:5955) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:930) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:791) 

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6条回答 默认 最新

  • oyljerry 2017-01-22 03:25
    关注

    at com.example.dell_user.wechat.MainActivity.initLineImage(MainActivity.java:93)

    使用了null空对象。导致异常了。看看这行代码

    评论

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