我正在尝试使用堆栈溢出答案之一的交互式信息窗口。
链接如下:
但是我在代码中使用 getMap() 时遇到错误。虽然我尝试使用 getMapAsync 但无法解决问题。请尽快帮助我。如果有任何新代码可用于带按钮的交互式信息窗口,请分享代码。
public class MainActivity extends Activity {
private ViewGroup infoWindow;
private TextView infoTitle;
private TextView infoSnippet;
private Button infoButton;
private OnInfoWindowElemTouchListener infoButtonListener;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final MapFragment mapFragment = (MapFragment)getFragmentManager().findFragmentById(R.id.map);
final MapWrapperLayout mapWrapperLayout = (MapWrapperLayout)findViewById(R.id.map_relative_layout);
final GoogleMap map = mapFragment.getMap();
// MapWrapperLayout initialization
// 39 - default marker height
// 20 - offset between the default InfoWindow bottom edge and it's content bottom edge
mapWrapperLayout.init(map, getPixelsFromDp(this, 39 + 20));
// We want to reuse the info window for all the markers,
// so let's create only one class member instance
this.infoWindow = (ViewGroup)getLayoutInflater().inflate(R.layout.info_window, null);
this.infoTitle = (TextView)infoWindow.findViewById(R.id.title);
this.infoSnippet = (TextView)infoWindow.findViewById(R.id.snippet);
this.infoButton = (Button)infoWindow.findViewById(R.id.button);
// Setting custom OnTouchListener which deals with the pressed state
// so it shows up
this.infoButtonListener = new OnInfoWindowElemTouchListener(infoButton,
getResources().getDrawable(R.drawable.btn_default_normal_holo_light),
getResources().getDrawable(R.drawable.btn_default_pressed_holo_light))
{
@Override
protected void onClickConfirmed(View v, Marker marker) {
// Here we can perform some action triggered after clicking the button
Toast.makeText(MainActivity.this, marker.getTitle() + "'s button clicked!", Toast.LENGTH_SHORT).show();
}
};
this.infoButton.setOnTouchListener(infoButtonListener);
map.setInfoWindowAdapter(new InfoWindowAdapter() {
@Override
public View getInfoWindow(Marker marker) {
return null;
}
@Override
public View getInfoContents(Marker marker) {
// Setting up the infoWindow with current's marker info
infoTitle.setText(marker.getTitle());
infoSnippet.setText(marker.getSnippet());
infoButtonListener.setMarker(marker);
// We must call this to set the current marker and infoWindow references
// to the MapWrapperLayout
mapWrapperLayout.setMarkerWithInfoWindow(marker, infoWindow);
return infoWindow;
}
});
// Let's add a couple of markers
map.addMarker(new MarkerOptions()
.title("Prague")
.snippet("Czech Republic")
.position(new LatLng(50.08, 14.43)));
map.addMarker(new MarkerOptions()
.title("Paris")
.snippet("France")
.position(new LatLng(48.86,2.33)));
map.addMarker(new MarkerOptions()
.title("London")
.snippet("United Kingdom")
.position(new LatLng(51.51,-0.1)));
}
public static int getPixelsFromDp(Context context, float dp) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int)(dp * scale + 0.5f);
}
}
错误是因为谷歌已经删除了 getMap 但不知道替代解决方案。
Error:(149, 42) 错误:找不到符号方法 getMap()
最佳答案
您现有的代码是:
final MapFragment mapFragment = (MapFragment)getFragmentManager().findFragmentById(R.id.map);
final GoogleMap map = mapFragment.getMap();
试试这个而不是那个:
MapFragment mapFragment; // declare in global scope
GoogleMap googleMap; // declare in global scope
将此代码放在 OnCreate 方法中:
mapFragment = (MapFragment)getFragmentManager().findFragmentById(R.id.map);
mapFragment.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(GoogleMap map) {
googleMap = map;
googleMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);
googleMap.setMyLocationEnabled(false); // false to disable
googleMap.setOnMarkerClickListener(onMarkerClick);
googleMap.setOnInfoWindowClickListener(onInfoWindowClick);
googleMap.getUiSettings().setZoomControlsEnabled(true);// Display Zoom Controls
googleMap.setMyLocationEnabled(true);// Display My Location Control
}
});
}
要将像素转换为 DP,请使用:
public int getPixelsFromDp(int px){
DisplayMetrics displayMetrics = getContext().getResources().getDisplayMetrics();
return Math.round(px / (displayMetrics.xdpi / DisplayMetrics.DENSITY_DEFAULT));
}
关于java - getMap() 出错?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46180722/