android 找错 logcat如何判断错误位置 如何看logcat 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 06-05 15:41:58.719: ERROR/AndroidRuntime(268): Uncaught handler: thread main exiting due to uncaught exception06-05 15:41:58.729: ERROR/AndroidRuntime(268): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.cola.ui/com.cola.ui.plan}: java.lang.NullPointerException06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2401)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread.access$2100(ActivityThread.java:116)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.os.Handler.dispatchMessage(Handler.java:99)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.os.Looper.loop(Looper.java:123)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread.main(ActivityThread.java:4203)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at java.lang.reflect.Method.invokeNative(Native Method)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at java.lang.reflect.Method.invoke(Method.java:521)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at dalvik.system.NativeStart.main(Native Method)06-05 15:41:58.729: ERROR/AndroidRuntime(268): Caused by: java.lang.NullPointerException06-05 15:41:58.729: ERROR/AndroidRuntime(268): at com.cola.ui.plan.onCreate(plan.java:47)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123)06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364)06-05 15:41:58.729: ERROR/AndroidRuntime(268): ... 11 moremessage中的信息 如何从中找 出错logcat就会出现红色字体在红色字体中找出有自己那个类名(应该是具体到方法和行号)的一行双击此行就跳到出错的位置 双击这一行06-05 15:41:58.729: ERROR/AndroidRuntime(268): at com.cola.ui.plan.onCreate(plan.java:47) 找错的话,一般看引起错误的哪一行:也就是说Caused by:java.lang.NullPointerException,根据这个可以找到你程序出错的原因,然后再找到你自己定义的包!通过这个可以找到因为哪一行而导致程序报错!然后你就可以在这里行设置断点debug等! 同问:有的日志显示的是底层的信息,都是二进制,只有个fault addr信息,那怎么定位问题呀~~~ 求解答,或者给个思路也行,关于手机端如何读取服务器数据库数据端数据库的问题 [ hashmap问题,大神帮我解决一下吧 android中的listview怎么实现分页 给个例子 xml带上谢谢了!!! Android上如何创建一个UI 可以在layout布局文件中使用assets下的图片吗? 求助,XML文件解悉时,不运行startElement android 源吗模拟器 服务端区分客户端的标识 求最新的zxing解析 有没有做过安卓电视上开发客户端的 Service的问题 android
06-05 15:41:58.729: ERROR/AndroidRuntime(268): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.cola.ui/com.cola.ui.plan}: java.lang.NullPointerException
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2401)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread.access$2100(ActivityThread.java:116)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.os.Handler.dispatchMessage(Handler.java:99)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.os.Looper.loop(Looper.java:123)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread.main(ActivityThread.java:4203)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at java.lang.reflect.Method.invokeNative(Native Method)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at java.lang.reflect.Method.invoke(Method.java:521)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at dalvik.system.NativeStart.main(Native Method)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): Caused by: java.lang.NullPointerException
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at com.cola.ui.plan.onCreate(plan.java:47)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364)
06-05 15:41:58.729: ERROR/AndroidRuntime(268): ... 11 more
message中的信息 如何从中找
在红色字体中找出有自己那个类名(应该是具体到方法和行号)的一行
双击此行就跳到出错的位置
06-05 15:41:58.729: ERROR/AndroidRuntime(268): at com.cola.ui.plan.onCreate(plan.java:47)
Caused by:java.lang.NullPointerException,根据这个可以找到你程序出错的原因,然后再找到你自己定义的包!通过这个可以找到因为哪一行而导致程序报错!然后你就可以在这里行设置断点debug等!