Fragment中的MapFragment,替代方案？

Question

我需要你的帮助......我一直工作到3天.我的应用正在使用片段.其中一个片段必须显示Android版Google Maps V2 api中的地图.

目前,我正在使用MapFragment,但毫不奇怪,片段中的片段不是一个好主意,但它有效,地图正在显示,我可以编辑它但是当我切换主片段并返回它时.

引起:java.lang.IllegalArgumentException:二进制XML文件行#59:复制id 0x7f070041,标记为null或父ID为0x7f070040,另一个片段为com.google.android.gms.maps.MapFragment

在android.app.Activity.onCreateView(Activity.java:4252)

在android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:673)

当我继续另一个片段并返回到包含地图的片段时,这就是原因.我正在寻找3天来解决这个问题,但没有很好的结果.

为了继续,我有一个Activity调用一个片段,该片段在布局文件中包含一个MapFragment.如果您需要更多,请问:)

谢谢

编辑:这是在主Activity中更改Fragment的代码

private void swtichFragment(Fragment fragment, Bundle bundle)
{
fragment.setBundle(this, bundle);
FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.rightFragmentPlaceHolder, fragment);
fragmentTransaction.commit();
mRightFragment = fragment;
}

Answer 1

使用SupportMapFragment克服此错误:

在片段布局中

<fragment
android:id="@+id/googleMap"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent" />

在你的碎片onCreateView中

SupportMapFragment mapFragment = (SupportMapFragment) getChildFragmentManager().findFragmentById(R.id.googleMap);

        if (mapFragment != null) {
            mapFragment.getMapAsync(this);
        }

由于布局在Fragment's布局中,因此SupportMapFragment片段的子布局.因此使用getChildFragmentManager()它Fragment's FragmentManager

Answer 2

在Fragment的布局中使用MapView而不是MapFragment.记得调用MapView的生命周期方法:

• 的onCreate(捆绑)
• 的onResume()
• 的onPause()
• 的onDestroy()
• 的onSaveInstanceState(捆绑)
• onLowMemory()

作为描述在这里.

顺便说一句.你不应该使用MapFragment,只能使用SupportMapFragment和支持库.

编辑:

如果您切换到支持库,则可以使用评论#1中的代码:http://code.google.com/p/gmaps-api-issues/issues/detail？id = 5064# c1

Answer 3

如此处所述

在片段(NestedFragment)中显示MapFragment:此时我相信你有

1. 在清单上添加了必要的许可
2. 将谷歌播放服务添加为lib项目
3. 清单文件中的api密钥.4.

where.xml

 <LinearLayout
            xmlns:android="http://schemas.android.com/apk/res/android"
            xmlns:map="http://schemas.android.com/apk/res-auto"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center"
            android:orientation="vertical" >
         <FrameLayout
           android:layout_width="match_parent"
           android:layout_height="0dp"
           android:layout_weight="1.03"
           android:name="com.google.android.gms.maps.SupportMapFragment"
           android:id="@+id/mapwhere" />


          <TextView
           android:layout_width="match_parent"
           android:layout_height="wrap_content"/>

        </LinearLayout>

类:

 public class WhereFragment extends SupportMapFragment {

    @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
     {
      super.onCreateView(inflater, container, savedInstanceState);
      View root = inflater.inflate(R.layout.where, null, false); 
      initilizeMap();
      return root;
     }

    private void initilizeMap()
     {
      mSupportMapFragment = (SupportMapFragment) getFragmentManager().findFragmentById(R.id.mapwhere);
      if (mSupportMapFragment == null) {
       FragmentManager fragmentManager = getFragmentManager();
       FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
       mSupportMapFragment = SupportMapFragment.newInstance();
       fragmentTransaction.replace(R.id.mapwhere, mSupportMapFragment).commit();
         }
      if (mSupportMapFragment != null)
      {
       googleMap = mSupportMapFragment.getMap();
       if (googleMap != null)
        googleMap.setOnMapClickListener(new OnMapClickListener()
        {
         @Override
         public void onMapClick(LatLng point)
         {
          //TODO: your onclick stuffs
         }
        });
      }
     }
    }

文件:

嵌套片段您现在可以将片段嵌入片段中.这对于您希望将动态和可重用UI组件放入自身动态且可重用的UI组件的各种情况都很有用.例如,如果使用ViewPager创建向左和向右滑动并占用大部分屏幕空间的片段,则现在可以将片段插入到每个片段页面中.

要嵌套片段,只需在要添加片段的片段上调用getChildFragmentManager().这将返回一个FragmentManager,您可以像通常从顶级活动那样使用它来创建片段事务.例如,这里有一些代码可以在现有的Fragment类中添加一个片段:

片段videoFragment = new VideoPlayerFragment(); FragmentTransaction事务= getChildFragmentManager().beginTransaction(); transaction.add(R.id.video_fragment,videoFragment).commit(); 在嵌套片段中,您可以通过调用getParentFragment()来获取对父片段的引用.

Android支持库现在还支持嵌套片段,因此您可以在Android 1.6及更高版本上实现嵌套片段设计.

注意:当布局包含a时,您无法将布局扩展为片段.仅在动态添加到片段时才支持嵌套片段.

来源:http://developer.android.com/about/versions/android-4.2.html#NestedFragments

这也将修复:

 11-06 11:36:01.509: E/AndroidRuntime(6309): FATAL EXCEPTION: main
    11-06 11:36:01.509: E/AndroidRuntime(6309): android.view.InflateException: Binary XML file line #9: Error inflating class fragment
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:710)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.view.LayoutInflater.rInflate(LayoutInflater.java:752)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.view.LayoutInflater.rInflate(LayoutInflater.java:760)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.view.LayoutInflater.rInflate(LayoutInflater.java:760)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.view.LayoutInflater.rInflate(LayoutInflater.java:760)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.view.LayoutInflater.rInflate(LayoutInflater.java:760)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.view.LayoutInflater.inflate(LayoutInflater.java:495)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at com.abc.android.ui.WhereFragment.onCreateView(WhereFragment.java:60)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.support.v4.app.Fragment.performCreateView(Fragment.java:1500)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:927)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
    11-06 11:36:01.509: E/AndroidRuntime(6309):  at a ...

Answer 4

在你的班上

      SupportMapFragment mSupportMapFragment;
      private GoogleMap googleMap;
      int ZOOM_LEVEL=15;

      @Override
      public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
       View mTrackView = inflater
            .inflate(R.layout.mylayout, container, false);
        mSupportMapFragment = SupportMapFragment.newInstance();
        FragmentTransaction fragmentTransaction = getChildFragmentManager().beginTransaction();
        fragmentTransaction.add(R.id.mapwhere, mSupportMapFragment);
        fragmentTransaction.commit();

        return mTrackView;
    }

      @Override
      public void onStart() {
        // TODO Auto-generated method stub
          super.onStart();

        if(mSupportMapFragment!=null){

            googleMap = mSupportMapFragment.getMap();
            if(googleMap!=null){
            googleMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);
            googleMap.getUiSettings().setMyLocationButtonEnabled(false);
            googleMap.setMyLocationEnabled(false);


            CameraUpdate cameraUpdate = CameraUpdateFactory.newLatLngZoom(
                    new LatLng(12.12122,
                        17.22323), ZOOM_LEVEL);
            googleMap.animateCamera(cameraUpdate);
              }
            }
      }

mylayout.xml

    <LinearLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:map="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="vertical" >
     <FrameLayout
       android:layout_width="match_parent"
       android:layout_height="0dp"
       android:layout_weight="1.03"

       android:id="@+id/mapwhere" />


      <TextView
       android:layout_width="match_parent"
       android:layout_height="wrap_content"/>

    </LinearLayout>