IllegalStateException异常地图尺寸不应0 [英] IllegalStateException map size should not be 0

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问题描述

我有一个 MapFragment 显示地图

如果用户从活动消失(或设备进入睡眠状态)与地图再回来 onResume 被调用,我移动地图回标记

然而,当我移动相机,我得到一个异常

  07-23 16:28:42.725:E / AndroidRuntime(19095):java.lang.RuntimeException的:无法恢复活动{ecm2.android/ecm2.android.EMGNoteMapActivity}: java.lang.IllegalStateException:地图的大小不应该是0。最有可能的,布局尚未发生的地图视图。
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.app.ActivityThread.performResumeActivity(ActivityThread.java:2742)
 07-23 16:28:42.725:E / AndroidRuntime(19095):在android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2771)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2235)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.app.ActivityThread.access $ 600(ActivityThread.java:141)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1234)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.os.Handler.dispatchMessage(Handler.java:99)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.os.Looper.loop(Looper.java:137)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.app.ActivityThread.main(ActivityThread.java:5041)
07-23 16:28:42.725:E / AndroidRuntime(19095):在java.lang.reflect.Method.invokeNative(本机方法)
07-23 16:28:42.725:E / AndroidRuntime(19095):在java.lang.reflect.Method.invoke(Method.java:511)
07-23 16:28:42.725:E / AndroidRuntime(19095):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:793)
07-23 16:28:42.725:E / AndroidRuntime(19095):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
07-23 16:28:42.725:E / AndroidRuntime(19095):在dalvik.system.NativeStart.main(本机方法)
07-23 16:28:42.725:E / AndroidRuntime(19095):java.lang.IllegalStateException:产生的原因地图的大小不应该是0。最有可能的,布局尚未发生的地图视图。
07-23 16:28:42.725:E / AndroidRuntime(19095):在maps.as.ib(来源不明)
07-23 16:28:42.725:E / AndroidRuntime(19095):在maps.ah.wa(来源不明)
07-23 16:28:42.725:E / AndroidRuntime(19095):在maps.ah.sa(来源不明)
07-23 16:28:42.725:E / AndroidRuntime(19095):在maps.ah.an.b(来源不明)
07-23 16:28:42.725:E / AndroidRuntime(19095):在bgc.onTransact(的SourceFile:92)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.os.Binder.transact(Binder.java:310)
07-23 16:28:42.725:E / AndroidRuntime(19095):在com.google.android.gms.maps.internal.IGoogleMapDelegate $ A $ a.animateCamera(来源不明)
07-23 16:28:42.725:E / AndroidRuntime(19095):在com.google.android.gms.maps.GoogleMap.animateCamera(来源不明)
07-23 16:28:42.725:E / AndroidRuntime(19095):在ecm2.android.Fragments.EMGMap.centerOnNote(EMGMap.java:340)
07-23 16:28:42.725:E / AndroidRuntime(19095):在ecm2.android.Fragments.EMGMap.fetchMapSettings(EMGMap.java:283)
07-23 16:28:42.725:E / AndroidRuntime(19095):在ecm2.android.Fragments.EMGMap.onResume(EMGMap.java:289)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:917)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1080)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1062)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.support.v4.app.FragmentManagerImpl.dispatchResume(FragmentManager.java:1820)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.support.v4.app.FragmentActivity.onPostResume(FragmentActivity.java:412)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.app.Activity.performResume(Activity.java:5195)
07-23 16:28:42.725:E / AndroidRuntime(19095):在android.app.ActivityThread.performResumeActivity(ActivityThread.java:2732)
07-23 16:28:42.725:E / AndroidRuntime(19095):12 ...更多
 

这是对我的相机移动我的 onResume

 如果(地图= NULL和放大器;!&安培;东北= NULL和放大器;!&安培;!西南= NULL){
        map.animateCamera(CameraUpdateFactory.newLatLngBounds(新的LatLngBounds(西南,东北),10));
    }否则,如果(地图= NULL和放大器;!&安培;!中心点= NULL){
        CameraPosition位置=新CameraPosition.Builder()
         .TARGET(中心点).zoom(17).build();
        map.animateCamera(CameraUpdateFactory.newCameraPosition(位置));
    }
 

如果我拿出相机运动,它不会崩溃,但不会再回到点,他们搬离,或什么的。

我检查,以确保该地图不为空,所以我不知道是什么原因造成的错误?

解决方案

 致:java.lang.IllegalStateException:地图的大小不应该为0。最有可能的,布局尚未发生在地图视图。
 

这应该是足够清晰。你可以不叫

  map.animateCamera(CameraUpdateFactory.newLatLngBounds(新的LatLngBounds(西南,东北),10));
 

在布局完成。您需要使用3参数版本代替。

在这里看到的文档:<一href="https://developers.google.com/maps/documentation/android/reference/com/google/android/gms/maps/CameraUpdateFactory#newLatLngBounds%28com.google.android.gms.maps.model.LatLngBounds,%20int%29"><$c$c>newLatLngBounds

Aternatively你可能听的布局完成调用 onResume 这code来代替。

I have a MapFragment that displays a map

if the user goes away from the activity (or the device goes to sleep) with the map then comes back onResume gets called and I move the map back to a marker.

however when I move the camera I get an exception

07-23 16:28:42.725: E/AndroidRuntime(19095): java.lang.RuntimeException: Unable to resume activity {ecm2.android/ecm2.android.EMGNoteMapActivity}: java.lang.IllegalStateException: Map size should not be 0. Most likely, layout has not yet occured for the map view.
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2742)
 07-23 16:28:42.725: E/AndroidRuntime(19095):   at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2771)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2235)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.app.ActivityThread.access$600(ActivityThread.java:141)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.os.Handler.dispatchMessage(Handler.java:99)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.os.Looper.loop(Looper.java:137)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.app.ActivityThread.main(ActivityThread.java:5041)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at java.lang.reflect.Method.invokeNative(Native Method)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at java.lang.reflect.Method.invoke(Method.java:511)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at dalvik.system.NativeStart.main(Native Method)
07-23 16:28:42.725: E/AndroidRuntime(19095): Caused by: java.lang.IllegalStateException: Map size should not be 0. Most likely, layout has not yet occured for the map view.
07-23 16:28:42.725: E/AndroidRuntime(19095):    at maps.as.i.b(Unknown Source)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at maps.ah.w.a(Unknown Source)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at maps.ah.s.a(Unknown Source)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at maps.ah.an.b(Unknown Source)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at bgc.onTransact(SourceFile:92)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.os.Binder.transact(Binder.java:310)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at com.google.android.gms.maps.internal.IGoogleMapDelegate$a$a.animateCamera(Unknown Source)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at com.google.android.gms.maps.GoogleMap.animateCamera(Unknown Source)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at ecm2.android.Fragments.EMGMap.centerOnNote(EMGMap.java:340)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at ecm2.android.Fragments.EMGMap.fetchMapSettings(EMGMap.java:283)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at ecm2.android.Fragments.EMGMap.onResume(EMGMap.java:289)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:917)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1080)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1062)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.support.v4.app.FragmentManagerImpl.dispatchResume(FragmentManager.java:1820)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.support.v4.app.FragmentActivity.onPostResume(FragmentActivity.java:412)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at android.app.Activity.performResume(Activity.java:5195)
07-23 16:28:42.725: E/AndroidRuntime(19095):    at     android.app.ActivityThread.performResumeActivity(ActivityThread.java:2732)
07-23 16:28:42.725: E/AndroidRuntime(19095):    ... 12 more

This is my camera movement on my onResume

if(map != null && northEast != null && southWest != null){
        map.animateCamera(CameraUpdateFactory.newLatLngBounds(new LatLngBounds(southWest,northEast),10));
    }else if(map != null && centerPoint != null){
        CameraPosition position = new CameraPosition.Builder()
         .target(centerPoint).zoom(17).build();
        map.animateCamera(CameraUpdateFactory.newCameraPosition(position));
    }

If I take out the camera movement it does not crash but does not go back to the point of they moved away from it or something.

I check to make sure the map is not null so I do not know what is causing the error?

解决方案

Caused by: java.lang.IllegalStateException: Map size should not be 0. Most likely, layout has not yet occured for the map view.

This should be clear enough. You cannot call

map.animateCamera(CameraUpdateFactory.newLatLngBounds(new LatLngBounds(southWest,northEast),10));

before the layout is complete. You need to use 3 param version instead.

See the documentation here: newLatLngBounds

Aternatively you may listen for the layout to complete instead of calling this code in onResume.

这篇关于IllegalStateException异常地图尺寸不应0的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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