解决方案 »
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不能启动空指针错误
这够明确了吧。有变量没有初始化。具体你看看25行。
01-17 16:16:29.192: D/AndroidRuntime(227): Shutting down VM
01-17 16:16:29.192: W/dalvikvm(227): threadid=3: thread exiting with uncaught exception (group=0x4001b188)
01-17 16:16:29.192: E/AndroidRuntime(227): Uncaught handler: thread main exiting due to uncaught exception
01-17 16:16:29.222: E/AndroidRuntime(227): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.new0116/com.example.new0116.MainActivity}: java.lang.NullPointerException
01-17 16:16:29.222: E/AndroidRuntime(227): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2496)
01-17 16:16:29.222: E/AndroidRuntime(227): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)
01-17 16:16:29.222: E/AndroidRuntime(227): at android.app.ActivityThread.access$2200(ActivityThread.java:119)
01-17 16:16:29.222: E/AndroidRuntime(227): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863)
01-17 16:16:29.222: E/AndroidRuntime(227): at android.os.Handler.dispatchMessage(Handler.java:99)
01-17 16:16:29.222: E/AndroidRuntime(227): at android.os.Looper.loop(Looper.java:123)
01-17 16:16:29.222: E/AndroidRuntime(227): at android.app.ActivityThread.main(ActivityThread.java:4363)
01-17 16:16:29.222: E/AndroidRuntime(227): at java.lang.reflect.Method.invokeNative(Native Method)
01-17 16:16:29.222: E/AndroidRuntime(227): at java.lang.reflect.Method.invoke(Method.java:521)
01-17 16:16:29.222: E/AndroidRuntime(227): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
01-17 16:16:29.222: E/AndroidRuntime(227): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
01-17 16:16:29.222: E/AndroidRuntime(227): at dalvik.system.NativeStart.main(Native Method)
01-17 16:16:29.222: E/AndroidRuntime(227): Caused by: java.lang.NullPointerException
01-17 16:16:29.222: E/AndroidRuntime(227): at com.example.new0116.MainActivity$SppServer.<init>(MainActivity.java:188)
01-17 16:16:29.222: E/AndroidRuntime(227): at com.example.new0116.MainActivity.onCreate(MainActivity.java:108)
01-17 16:16:29.222: E/AndroidRuntime(227): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
01-17 16:16:29.222: E/AndroidRuntime(227): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2459)
01-17 16:16:29.222: E/AndroidRuntime(227): ... 11 more
01-17 16:16:29.242: I/dalvikvm(227): threadid=7: reacting to signal 3
01-17 16:16:29.242: I/dalvikvm(227): Wrote stack trace to '/data/anr/traces.txt'
這是我的log,能幫幫我嗎