我正在尝试使用片段在我的Android应用中实施Google Maps V2。
代码显示没有错误,但是当我尝试查看地图时,它会崩溃。
我一直坚持这个问题已经有一段时间了,所以任何有关正确方向的帮助或指示都会受到高度赞赏。
Map frag class:
public class mapFrag extends Fragment {
MapView mMapView;
GoogleMap googleMap;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// inflate and return the layout
View v = inflater.inflate(R.layout.fragment_map, container, false);
mMapView = (MapView) v.findViewById(R.id.mapView);
mMapView.onCreate(savedInstanceState);
mMapView.onResume();//needed to get the map to display immediately
try {
MapsInitializer.initialize(getActivity());
} catch (GooglePlayServicesNotAvailableException e) {
e.printStackTrace();
}
googleMap = mMapView.getMap();
//Perform any camera updates here
return v;
}
}
layout xml
<?xml version="1.0" encoding="utf-8"?>
<com.google.android.gms.maps.mapview
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/mapView">
</com.google.android.gms.maps.mapview>
logcat的
01-07 16:08:25.380: W/ImageView(1756): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
01-07 16:08:25.380: W/ImageView(1756): at dalvik.system.NativeStart.main(Native Method)
01-07 16:08:25.400: D/AndroidRuntime(1756): Shutting down VM
01-07 16:08:25.400: W/dalvikvm(1756): threadid=1: thread exiting with uncaught exception (group=0x40a5a1f8)
01-07 16:08:25.400: E/AndroidRuntime(1756): FATAL EXCEPTION: main
01-07 16:08:25.400: E/AndroidRuntime(1756): android.view.InflateException: Binary XML file line #3: Error inflating class com.google.android.gms.maps.mapview
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:691)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.view.LayoutInflater.inflate(LayoutInflater.java:466)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
01-07 16:08:25.400: E/AndroidRuntime(1756): at info.androidhive.slidingmenu.mapFrag.onCreateView(mapFrag.java:24)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:828)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1032)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.app.BackStackRecord.run(BackStackRecord.java:622)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1382)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.app.FragmentManagerImpl$1.run(FragmentManager.java:426)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.os.Handler.handleCallback(Handler.java:605)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.os.Handler.dispatchMessage(Handler.java:92)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.os.Looper.loop(Looper.java:137)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.app.ActivityThread.main(ActivityThread.java:4446)
01-07 16:08:25.400: E/AndroidRuntime(1756): at java.lang.reflect.Method.invokeNative(Native Method)
01-07 16:08:25.400: E/AndroidRuntime(1756): at java.lang.reflect.Method.invoke(Method.java:511)
01-07 16:08:25.400: E/AndroidRuntime(1756): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
01-07 16:08:25.400: E/AndroidRuntime(1756): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
01-07 16:08:25.400: E/AndroidRuntime(1756): at dalvik.system.NativeStart.main(Native Method)
01-07 16:08:25.400: E/AndroidRuntime(1756): Caused by: java.lang.ClassNotFoundException: com.google.android.gms.maps.mapview
01-07 16:08:25.400: E/AndroidRuntime(1756): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
01-07 16:08:25.400: E/AndroidRuntime(1756): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
01-07 16:08:25.400: E/AndroidRuntime(1756): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.view.LayoutInflater.createView(LayoutInflater.java:552)
01-07 16:08:25.400: E/AndroidRuntime(1756): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:680)
01-07 16:08:25.400: E/AndroidRuntime(1756): ... 17 more
答案 0 :(得分:1)
Caused by: java.lang.ClassNotFoundException: com.google.android.gms.maps.mapview
应该是
<com.google.android.gms.maps.MapView
不
<com.google.android.gms.maps.mapview
你也应该阅读
http://developer.android.com/reference/com/google/android/gms/maps/MapView.html
此类的用户必须将包含此视图的Activity或Fragment中的所有生命周期方法转发到此类中的相应方法。特别是,您必须转发以下方法:
onCreate(Bundle)
onResume()
onPause()
onDestroy()
onSaveInstanceState()
onLowMemory()
你可以参考这个
Android - android.view.InflateException: Binary XML file line #8: Error inflating class fragment
答案 1 :(得分:0)
我没有看到你使用任何碎片。它应该是:
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.MapFragment"/>