Google Map:onMapReadyCallback不能应用于此活动 [英] Google Map:onMapReadyCallback can not be applied to this activity
本文介绍了Google Map:onMapReadyCallback不能应用于此活动的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我是尝试使用Google地图的初学者,并且已经按照此处给出的说明进行操作:
I am a beginner trying to use google maps, and I have followed the instructions given here: https://developers.google.com/maps/documentation/android-api/map?hl=zh-tw
但是我被困在 mapFragment.getMapAsync(this)
上,无法找到答案.
But I'm stuck at mapFragment.getMapAsync(this)
and have been unable to find an answer.
这是代码:
public class GoogleMapPage extends FragmentActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.googlemap);
MapFragment mapFragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map);
mapFragment.getMapAsync(this)<---it said "onMapReadyCallback can not be applied to this activity;
}
}
这是XML:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_horizontal">
<fragment
android:layout_width="300dp"
android:layout_height="300dp"
android:name="com.google.android.gms.maps.MapFragment"
android:id="@+id/map"
tools:layout="@layout/googlemap" />
推荐答案
您需要使Activity实现 OnMapReadyCallback
,并重写方法 void onMapReady(GoogleMap googleMap)
.
You need to make your Activity implement OnMapReadyCallback
and override the method void onMapReady(GoogleMap googleMap)
.
public class GoogleMapPage extends FragmentActivity implements OnMapReadyCallback {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.googlemap);
MapFragment mapFragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map);
mapFragment.getMapAsync(this) // <---it said "onMapReadyCallback can not be applied to this activity;
}
@Override
public void onMapReady(GoogleMap googleMap) {
// Do stuff with the map here!
}
}
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