应用程序无故崩溃

时间:2013-01-04 23:36:00

标签: java android

我刚刚在Play商店更新了我的应用程序,我开始接收人们的崩溃报告,其中一个是我认识的人,所以他开始帮我解决这个问题,我发现这个问题是由我做的事情引起的甚至修改。

代码看起来像这样 导致问题的部分是bulb.onClickListener

    public class Bulb extends Activity {

    public boolean isAwake = false;
    boolean timerActivated = false;
    static ImageView glow;
    public static boolean bulbActIsRunning = false;

      public void startWake() {
        Intent wS=new Intent(getBaseContext(), WakeService.class);
        startService(wS);
      }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ImageButton bulb = (ImageButton) findViewById(R.id.bulb);
        ImageButton ghl = (ImageButton) findViewById(R.id.ghl);
        glow = (ImageView) findViewById(R.id.glow);

        if (WakeService.isAwake) {
            glow.setVisibility(View.VISIBLE);
        }
        else {
            glow.setVisibility(View.INVISIBLE);
        }

        bulb.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                startWake();

                if (WakeService.isAwake) {
                    glow.setVisibility(View.INVISIBLE);
                }
                else {
                    glow.setVisibility(View.VISIBLE);
                }        
           }
        });

        ghl.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.geekshavelanded.com/"));
                startActivity(browserIntent);
           }
        });
    }

    @Override
    protected void onResume() {
        // TODO Auto-generated method stub
        super.onResume();

        glow = (ImageView) findViewById(R.id.glow);

        if (WakeService.isAwake) {
            glow.setVisibility(View.VISIBLE);
        }
        else {
            glow.setVisibility(View.INVISIBLE);
        }
    }

    @Override
    public void onStart() {
       super.onStart();
       bulbActIsRunning = true;
    } 

    @Override
    public void onStop() {
       super.onStop();
       bulbActIsRunning = false;
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
}

在我的朋友点击灯泡按钮后,应用程序无故崩溃,我在onClickListener的开头放了一些toast通知,看它是否在崩溃之前出现,但它没有

崩溃报告看起来像这样

    java.lang.RuntimeException: Unable to start service com.doublep.wakey.WakeService@41740bb8 with Intent { cmp=com.doublep.wakey/.WakeService }: java.lang.NullPointerException
at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2933)
at android.app.ActivityThread.access$1900(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1438)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5454)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1029)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:796)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException
at android.os.Parcel.readException(Parcel.java:1436)
at android.os.Parcel.readException(Parcel.java:1384)
at com.android.internal.appwidget.IAppWidgetService$Stub$Proxy.updateAppWidgetIds(IAppWidgetService.java:513)
at android.appwidget.AppWidgetManager.updateAppWidget(AppWidgetManager.java:333)
at android.appwidget.AppWidgetManager.updateAppWidget(AppWidgetManager.java:400)
at com.doublep.wakey.WakeService.keepAwake(WakeService.java:86)
at com.doublep.wakey.WakeService.onStartCommand(WakeService.java:48)
at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2912)
... 10 more

有人能看到可疑的东西吗? 当我更新我的应用程序时,我甚至没有触摸此活动的代码,其他一切正常,因为我可以从小部件调用服务。 所以问题必须在这里

我还将min SDK从8修改为7(但要查看它是否有效,我已将其恢复为8) 我压缩了一些图形以节省空间

编辑哦,我忘了说,这只发生在少数设备上,大多数情况下看起来工作正常

更新2 这是导致这些问题的代码

    AppWidgetManager mgr=AppWidgetManager.getInstance(this);
 mgr.updateAppWidget(ToggleWidget.appWidgetId, ToggleWidget.remoteViews);

1 个答案:

答案 0 :(得分:0)

请检查updateAppWidget()的参数。以太网远程视图为空或您正在设置空位图。