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);
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。