2013-09-27 85 views
0

我正在加载地图。见下面地图V2无法正常工作

@Override 
    public void onStart() { 
     super.onStart(); 
     setUpMapIfNeeded(); 
    } 

    private void setUpMapIfNeeded() { 
     // Do a null check to confirm that we have not already instantiated the 
     // map. 
     if (mMap == null) { 
      // Try to obtain the map from the SupportMapFragment. 
      mMap = ((SupportMapFragment) getChildFragmentManager() 
        .findFragmentById(R.id.map_frag)).getMap(); 
      // Check if we were successful in obtaining the map. 
      if (mMap != null) { 
       setUpMap(); 
      } 
     } 
    } 

    private void setUpMap() { 
     mMap.addMarker(new MarkerOptions().position(new LatLng(0, 0)).title(
       "Marker")); 
    } 

记录错误

09-27 15:42:23.039: E/AndroidRuntime(15965): FATAL EXCEPTION: main 
09-27 15:42:23.039: E/AndroidRuntime(15965): java.lang.NullPointerException 
09-27 15:42:23.039: E/AndroidRuntime(15965): at com.chupamobile.android.nightclub.ContactUsFragment.setUpMapIfNeeded(ContactUsFragment.java:68) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at com.chupamobile.android.nightclub.ContactUsFragment.onStart(ContactUsFragment.java:59) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.support.v4.app.Fragment.performStart(Fragment.java:1502) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:957) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.support.v4.app.FragmentManagerImpl.performPendingDeferredStart(FragmentManager.java:823) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.support.v4.app.FragmentManagerImpl.startPendingDeferredFragments(FragmentManager.java:1128) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1477) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:472) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.support.v4.app.FragmentPagerAdapter.finishUpdate(FragmentPagerAdapter.java:141) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.support.v4.view.ViewPager.populate(ViewPager.java:1068) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.support.v4.view.ViewPager.populate(ViewPager.java:914) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.support.v4.view.ViewPager$3.run(ViewPager.java:244) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.os.Handler.handleCallback(Handler.java:605) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.os.Handler.dispatchMessage(Handler.java:92) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.os.Looper.loop(Looper.java:137) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at android.app.ActivityThread.main(ActivityThread.java:4517) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at java.lang.reflect.Method.invokeNative(Native Method) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at java.lang.reflect.Method.invoke(Method.java:511) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:985) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:752) 
09-27 15:42:23.039: E/AndroidRuntime(15965): at dalvik.system.NativeStart.main(Native Method) 
09-27 15:42:25.299: E/Google Maps Android API(15965): Authorization failure. Please see https://developers.google.com/maps/documentation/android/start for how to correctly set up the map. 
09-27 15:42:25.299: E/Google Maps Android API(15965): Ensure that the following correspond to what is in the API Console: Package Name: com.chupamobile.android.nightclub, API Key: AIzaSyCuRYM06KNkqt5rNp5XIc0a27Ns3lhsHjw, Certificate Fingerprint: 0B2737AF8A0C3550F32CCC21EA1ACE8770 
+0

什么为u面临的地图在屏幕上不显示或强制关闭?请说明问题。 –

+0

没有它的力量关闭。地图未加载。 – Ankit

+0

请验证您的密钥从控制台生成并检查清单权限。 –

回答

1

我的代码试试这个我的朋友,

  • 请与其它键试试。
  • 检查所有的权限是否给,说:

    ACCESS_COARSE_LOCATION

    ACCESS_FINE_LOCATION

    INTERNET

  • 最后,刚刚与setUpMap()方法还要检查。可能会工作

+0

是的,我做了....但同样的错误.....错误来了setUpMapIfNeeded();那就是打电话onStart() – Ankit

+0

你可以指定错误?你确定吗,如果(mMap!= null){setUpMap(); }也?? –

+0

是的,请去我的错误日志....我已经删除它。 – Ankit