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我正在为我的项目使用从 github 获得的选项卡主机，它最近坏了。这只发生在我加载包含我的谷歌地图的选项卡并且适用于所有其他选项卡时。我收到错误 IllegalArgumentException：调用时连接为空

// Bind the location service
Intent testIntent = new Intent(this, wd_locationService.class);
bindService(testIntent, myConnection, Context.BIND_AUTO_CREATE);

这是堆栈跟踪：

08-21 17:25:48.524: E/AndroidRuntime(20354): FATAL EXCEPTION: main
08-21 17:25:48.524: E/AndroidRuntime(20354): java.lang.RuntimeException: Unable to start activity    ComponentInfo{com.backtrailtech.hunterelite/com.backtrailtech.hunterelite.wd_mapView}: java.lang.IllegalArgumentException: connection is null
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.app.ActivityThread.startActivityNow(ActivityThread.java:2023)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:135)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:347)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at com.backtrailtech.hunterelite.ScrollableTabActivity.startGroupActivity(ScrollableTabActivity.java:288)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at com.backtrailtech.hunterelite.ScrollableTabActivity.onCheckedChanged(ScrollableTabActivity.java:272)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.widget.RadioGroup.setCheckedId(RadioGroup.java:174)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.widget.RadioGroup.access$600(RadioGroup.java:54)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.widget.RadioGroup$CheckedStateTracker.onCheckedChanged(RadioGroup.java:358)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.widget.CompoundButton.setChecked(CompoundButton.java:129)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.widget.CompoundButton.toggle(CompoundButton.java:87)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.widget.RadioButton.toggle(RadioButton.java:76)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.widget.CompoundButton.performClick(CompoundButton.java:99)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.view.View$PerformClick.run(View.java:17355)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.os.Handler.handleCallback(Handler.java:725)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.os.Handler.dispatchMessage(Handler.java:92)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.os.Looper.loop(Looper.java:137)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.app.ActivityThread.main(ActivityThread.java:5041)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at java.lang.reflect.Method.invokeNative(Native Method)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at java.lang.reflect.Method.invoke(Method.java:511)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at dalvik.system.NativeStart.main(Native Method)
08-21 17:25:48.524: E/AndroidRuntime(20354): Caused by: java.lang.IllegalArgumentException: connection is null
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.app.ContextImpl.bindService(ContextImpl.java:1415)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.app.ContextImpl.bindService(ContextImpl.java:1407)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.content.ContextWrapper.bindService(ContextWrapper.java:473)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at com.backtrailtech.hunterelite.wd_mapView.onCreate(wd_mapView.java:1007)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.app.Activity.performCreate(Activity.java:5104)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
08-21 17:25:48.524: E/AndroidRuntime(20354):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
08-21 17:25:48.524: E/AndroidRuntime(20354):    ... 22 more

另外，到目前为止，我只在我的 Galaxy Nexus 4.2.2 上看到了这个问题，而我没有在模拟器上看到这个问题。谢谢。

4

1 回答 1

4

所以事实证明这是由我传递给 bindService() 的空连接 (myConnection) 引起的。这不会在运行 android 2.1 的模拟器上引起问题，但在运行 android 4.2.2 的手机上却出现了问题。似乎较新版本的 android 中的某些更改会导致此问题。

它是通过创建一个新的 myConnection 实例而不是仅仅声明它来修复的。

myConnection = new ServiceConnection(){

    @Override
    public void onServiceConnected(ComponentName name, IBinder service) {
            // TODO Auto-generated method stub

    }

    @Override
    public void onServiceDisconnected(ComponentName name) {
        // TODO Auto-generated method stub

    }
};
于 2013-08-26T22:11:31.083 回答