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java.lang.IllegalStateException : Activity has been destroyed -- Android fragment 错误

转载 作者:太空宇宙 更新时间:2023-11-03 11:14:14 26 4
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我有这个 fragment 是为了展示一张 map 。当我第二次尝试进入 fragment 时,我得到了这个错误:

10-09 19:40:34.050: E/AndroidRuntime(21859): FATAL EXCEPTION: main
10-09 19:40:34.050: E/AndroidRuntime(21859): java.lang.IllegalStateException: Activity has been destroyed
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.support.v4.app.FragmentManagerImpl.enqueueAction(FragmentManager.java:1358)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.support.v4.app.BackStackRecord.commitInternal(BackStackRecord.java:595)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.support.v4.app.BackStackRecord.commit(BackStackRecord.java:574)
10-09 19:40:34.050: E/AndroidRuntime(21859): at com.example.cultmacedonia_fragment.map.myMapFragment2.onCreateView(myMapFragment2.java:92)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.support.v4.app.Fragment.performCreateView(Fragment.java:1478)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:927)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1460)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:440)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.os.Handler.handleCallback(Handler.java:615)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.os.Handler.dispatchMessage(Handler.java:92)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.os.Looper.loop(Looper.java:137)
10-09 19:40:34.050: E/AndroidRuntime(21859): at android.app.ActivityThread.main(ActivityThread.java:4898)
10-09 19:40:34.050: E/AndroidRuntime(21859): at java.lang.reflect.Method.invokeNative(Native Method)
10-09 19:40:34.050: E/AndroidRuntime(21859): at java.lang.reflect.Method.invoke(Method.java:511)
10-09 19:40:34.050: E/AndroidRuntime(21859): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006)
10-09 19:40:34.050: E/AndroidRuntime(21859): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773)
10-09 19:40:34.050: E/AndroidRuntime(21859): at dalvik.system.NativeStart.main(Native Method)

第92行在哪里

getChildFragmentManager().beginTransaction()
.add(R.id.map, mMapFragment).commit();

这是我的 fragment 代码:

public class myMapFragment2 extends SherlockFragment {

private MapView mMapView;
private static GoogleMap mMap;
private Bundle mBundle;
private LocationManager locationManager;
private String provider;
static boolean isSinglePane;
private SupportMapFragment mMapFragment;
double latitude = 17.385044;
double longitude = 78.486671;

public static SherlockFragment newInstance() {
myMapFragment2 mFrgment = new myMapFragment2();
return mFrgment;
}

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

GoogleMapOptions mapOptions = new GoogleMapOptions();

Bundle bundle = getArguments();
if (bundle != null) {

isSinglePane = bundle.containsKey("KEY_DETAIL");

} else {
isSinglePane = false;
}
mapOptions.compassEnabled(true)
.camera(new CameraPosition(new LatLng(latitude, longitude), 13,
0f, 0f));

mMapFragment = SupportMapFragment.newInstance(mapOptions);

Toast.makeText(getActivity().getApplicationContext(),
String.valueOf(isSinglePane), 1000).show();

}

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View inflatedView = inflater.inflate(R.layout.maps3, container, false);
setHasOptionsMenu(true);

try {
MapsInitializer.initialize(getActivity());
} catch (GooglePlayServicesNotAvailableException e) {
// TODO handle this situation
Log.i("***GooglePlayServicesNotAvailableException", e.toString());
}

getChildFragmentManager().beginTransaction()
.add(R.id.map, mMapFragment).commit();
setUpMapIfNeeded(inflatedView);
return inflatedView;
}

private void setUpMapIfNeeded(View inflatedView) {
if (mMap == null) {
mMap = ((MapView) inflatedView.findViewById(R.id.map)).getMap();
if (mMap != null) {
setUpMap();
}
}
}

private void setUpMap() {

Marker marker = mMap.addMarker(new MarkerOptions()
.position(new LatLng(latitude, longitude))
.title("You are here")
.snippet("your point")
.icon(BitmapDescriptorFactory
.defaultMarker(BitmapDescriptorFactory.HUE_AZURE)));
// create marker

marker.showInfoWindow();
// color icon

// marker.icon(BitmapDescriptorFactory.fromResource(R.drawable.my_marker_icon)));
// adding marker
mMap.setMyLocationEnabled(true);
mMap.getUiSettings().setCompassEnabled(true);
locationManager = (LocationManager) getActivity()
.getApplicationContext().getSystemService(
Context.LOCATION_SERVICE);
Criteria criteria = new Criteria();
provider = locationManager.getBestProvider(criteria, false);

}

@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {

inflater.inflate(R.menu.map_menu, menu);
super.onCreateOptionsMenu(menu, inflater);
}

public static void satelliteMap() {
mMap.setMapType(GoogleMap.MAP_TYPE_SATELLITE);
}

public static void normalMap() {
mMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);
}

public static void menuAll() {
}

public static void menuNearMe() {
}

@Override
public void onResume() {
super.onResume();

if (mMap == null) {
mMap = mMapFragment.getMap();
if (mMap != null) {
setUpMap();
}
}

}

@Override
public void onPause() {
super.onPause();
getChildFragmentManager().beginTransaction().remove(mMapFragment)
.commit();
}

public void onDestroyView() {
super.onDestroyView();

FragmentTransaction ft = getActivity().getSupportFragmentManager()
.beginTransaction();
ft.remove(this);
ft.commit();
}
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<com.google.android.gms.maps.MapView
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</RelativeLayout>

第一次一切正常,但第二次应用程序崩溃。

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