java 如何以编程方式添加地图片段
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How to add map fragment programmatically
提问by user3910670
I would like add this xml fragment programmatically to other fragments. Is it possible?
我想以编程方式将此 xml 片段添加到其他片段。是否可以？
<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.SupportMapFragment" />
回答by Numan1617
In XML you can add a placeholder container:
在 XML 中，您可以添加占位符容器：
<FrameLayout
android:id="@+id/mapContainer"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
And then in code you can do:
然后在代码中你可以这样做：
FragmentManager fm = getChildFragmentManager();
SupportMapFragment supportMapFragment = SupportMapFragment.newInstance();
fm.beginTransaction().replace(R.id.mapContainer, supportMapFragment).commit();
回答by Pankaj
Make a layout like:
进行如下布局：
<FrameLayout
android:id="@+id/layout_mapContainer"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:layout_weight="0"
android:background="@android:color/transparent"
android:orientation="vertical" >
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/transparent" />
</FrameLayout>
In Activity declare :
在活动中声明：
FrameLayout mapLayout = (FrameLayout)findViewById(R.id.layout_mapContainer);
initialise map like this:
像这样初始化地图：
private void initialiseMap() {
FragmentTransaction mTransaction = getSupportFragmentManager().beginTransaction();
SupportMapFragment mFRaFragment = new MapFragmentActivity();
mTransaction.add(mapLayout.getId(), mFRaFragment);
mTransaction.commit();
try {
MapsInitializer.initialize(context);
} catch (Exception e) {
e.printStackTrace();
}
}
Here MapFragmentActivity is class extends SupportMapFragment
这里 MapFragmentActivity 是类扩展 SupportMapFragment
