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)
android studio错误日志这样的 不知道哪里错误 郁闷哭了
- 写回答
- 好问题 0 提建议
- 追加酬金
- 关注问题
- 邀请回答
-
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
解决 无用评论 打赏 举报
悬赏问题
- ¥15 fpga自动售货机数码管(相关搜索:数字时钟)
- ¥20 Python安装cvxpy库出问题
- ¥15 用前端向数据库插入数据,通过debug发现数据能走到后端,但是放行之后就会提示错误
- ¥15 python天天向上类似问题,但没有清零
- ¥30 3天&7天&&15天&销量如何统计同一行
- ¥30 帮我写一段可以读取LD2450数据并计算距离的Arduino代码
- ¥15 C#调用python代码(python带有库)
- ¥15 活动选择题。最多可以参加几个项目?
- ¥15 飞机曲面部件如机翼,壁板等具体的孔位模型
- ¥15 vs2019中数据导出问题