安卓 – 使用GoogleMaps时,应用程序崩溃与FragmentManager替换
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我正在使用以下代码来加载片段,具体取决于在NavigationDrawer上选择了哪个项目,但是MapFragment包含其内部的Google Maps片段,并且在尝试第二次打开它后它崩溃了.
这是我正在使用的代码：
@Override
public void onNavigationDrawerItemSelected(int position) {
// update the main content by replacing fragments
FragmentManager fragmentManager = getSupportFragmentManager();
if (position == 0) {
fragmentManager.beginTransaction()
.replace(R.id.container, MapFragment.newInstance("a", "b"))
.commit();
}
else {
fragmentManager.beginTransaction()
.replace(R.id.container, PlaceholderFragment.newInstance(position + 1))
.commit();
}
}
这是日志：
03-01 14:18:25.870 27175-27175/com.br.appname E/﹕ Device driver API match
Device driver API version: 23
User space API version: 23
03-01 14:18:25.870 27175-27175/com.br.appname E/﹕ mali: REVISION=Linux-r3p2-01rel3 BUILD_DATE=Wed Oct 30 09:36:10 KST 2013
03-01 14:19:12.655 27175-27175/com.br.appname E/AndroidRuntime﹕ FATAL EXCEPTION: main
android.view.InflateException: Binary XML file line #13: Error inflating class fragment
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:719)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:761)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:769)
at android.view.LayoutInflater.inflate(LayoutInflater.java:498)
at android.view.LayoutInflater.inflate(LayoutInflater.java:398)
at com.br.appname.fragments.MapFragment.onCreateView(MapFragment.java:74)
at android.support.v4.app.Fragment.performCreateView(Fragment.java:1500)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:927)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104)
at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1467)
at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:440)
at android.os.Handler.handleCallback(Handler.java:730)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5419)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1209)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1025)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalArgumentException: Binary XML file line #13: Duplicate id 0x7f070055, tag null, or parent id 0x7f070054 with another fragment for com.google.android.gms.maps.MapFragment
at android.app.Activity.onCreateView(Activity.java:4971)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:695)
????????????at android.view.LayoutInflater.rInflate(LayoutInflater.java:761)
????????????at android.view.LayoutInflater.rInflate(LayoutInflater.java:769)
????????????at android.view.LayoutInflater.inflate(LayoutInflater.java:498)
????????????at android.view.LayoutInflater.inflate(LayoutInflater.java:398)
????????????at com.br.appname.fragments.MapFragment.onCreateView(MapFragment.java:74)
????????????at android.support.v4.app.Fragment.performCreateView(Fragment.java:1500)
????????????at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:927)
????????????at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104)
????????????at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
????????????at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1467)
????????????at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:440)
????????????at android.os.Handler.handleCallback(Handler.java:730)
????????????at android.os.Handler.dispatchMessage(Handler.java:92)
????????????at android.os.Looper.loop(Looper.java:137)
????????????at android.app.ActivityThread.main(ActivityThread.java:5419)
????????????at java.lang.reflect.Method.invokeNative(Native Method)
????????????at java.lang.reflect.Method.invoke(Method.java:525)
????????????at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1209)
????????????at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1025)
????????????at dalvik.system.NativeStart.main(Native Method)
这只发生在MapFragment中. PlaceholderFragment工作得很好.
UPDATE
fragment_map.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.br.remotepark.fragments.MapFragment">
<com.sothree.slidinguppanel.SlidingUpPanelLayout
android:id="@+id/sliding_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="bottom">
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:name="com.google.android.gms.maps.MapFragment" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#eee"
android:orientation="vertical"
android:clickable="true"
android:focusable="false">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="68dp"
android:orientation="horizontal">
<TextView
android:id="@+id/name"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="14sp"
android:gravity="center_vertical"
android:paddingLeft="10dp" />
<Button
android:id="@+id/follow"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:textSize="14sp"
android:gravity="center_vertical|right"
android:paddingRight="10dp"
android:paddingLeft="10dp" />
</LinearLayout>
</LinearLayout>
</com.sothree.slidinguppanel.SlidingUpPanelLayout>
</RelativeLayout>
解决方法:
重复ID问题与使用嵌套片段的错误方式有关.
来自：http://developer.android.com/about/versions/android-4.2.html#NestedFragments
Note: You cannot inflate a layout into a fragment when that layout includes a
<fragment>. Nested fragments are only supported when added to a fragment dynamically.
因此,您的fragment_map.xml不能直接包含com.google.android.gms.maps.MapFragment.用ID map_container替换为FrameLayout,并尝试这样的事情：
public class MyFragmentWithMap extends Fragment {
private MapFragment fragment;
private GoogleMap map;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_map, container, false);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
FragmentManager fm = getChildFragmentManager();
fragment = (MapFragment) fm.findFragmentById(R.id.map_container);
if (fragment == null) {
fragment = MapFragment.newInstance();
fm.beginTransaction().replace(R.id.map_container, fragment).commit();
}
}
@Override
public void onResume() {
super.onResume();
setUpMapIfNeeded();
}
// ...
}
注意使用getChildFragmentManager.
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