10
Google Mapで自由に描画できるカスタムモジュールを実装したいと思います。それが実装になると、私はGoogleマップonDrag()コールバックと私のカスタムonDrag()関数を常に上書きすることがわかりました。 FrameLayoutonDrag()を使用して、マップのクリックとドラッグの動作を無効にする方法がわかりません。ここでGoogle Mapで指で自由に描く
は私の作業です：
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:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity" >
<TextView
android:id="@+id/locinfo"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.example.androidmapsv2.CustomMapFragment" >
</fragment>
<FrameLayout
android:id="@+id/fram_map"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</FrameLayout>
</LinearLayout>
CustomMapFragment.java
package com.example.androidmapsv2;
import com.google.android.gms.maps.MapFragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
public class CustomMapFragment extends MapFragment {
public View mOriginalContentView;
public MapWrapperLayout mMapWrapperLayout;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup parent, Bundle savedInstanceState) {
mOriginalContentView = super.onCreateView(inflater, parent, savedInstanceState);
mMapWrapperLayout = new MapWrapperLayout(getActivity());
mMapWrapperLayout.addView(mOriginalContentView);
return mMapWrapperLayout;
}
@Override
public View getView() {
return mOriginalContentView;
}
public void setOnDragListener(MapWrapperLayout.OnDragListener onDragListener) {
mMapWrapperLayout.setOnDragListener(onDragListener);
}
}
MapWrapperLayout.java
public class MapWrapperLayout extends FrameLayout {
private OnDragListener mOnDragListener;
public MapWrapperLayout(Context context) {
super(context);
}
public interface OnDragListener {
public void onDrag(MotionEvent motionEvent);
}
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
if (mOnDragListener != null) {
mOnDragListener.onDrag(ev);
}
return super.dispatchTouchEvent(ev);
}
public void setOnDragListener(OnDragListener mOnDragListener) {
this.mOnDragListener = mOnDragListener;
}
}
MainActivity.java
package com.example.androidmapsv2;
import java.util.ArrayList;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.GoogleMap.OnMapClickListener;
import com.google.android.gms.maps.GoogleMap.OnMapLongClickListener;
import com.google.android.gms.maps.GoogleMap.OnMarkerClickListener;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.Projection;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.android.gms.maps.model.Polygon;
import com.google.android.gms.maps.model.PolygonOptions;
import com.google.android.gms.maps.model.PolylineOptions;
import android.app.Activity;
import android.app.FragmentManager;
import android.graphics.Color;
import android.graphics.Point;
import android.location.Location;
import android.os.Bundle;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity
implements OnMapClickListener {
final int RQS_GooglePlayServices = 1;
private GoogleMap myMap;
Location myLocation;
TextView tvLocInfo;
ArrayList<LatLng> val = new ArrayList<LatLng>();
boolean markerClicked;
PolygonOptions polygonOptions;
Polygon polygon;
FrameLayout fram_map;
CustomMapFragment myMapFragment ;
boolean Is_MAP_Moveable;
Projection projection;
public double latitude;
public double longitude;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tvLocInfo = (TextView)findViewById(R.id.locinfo);
FragmentManager myFragmentManager = getFragmentManager();
myMapFragment
= (CustomMapFragment)myFragmentManager.findFragmentById(R.id.map);
if (myMapFragment != null) {
myMapFragment.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(GoogleMap map) {
loadMap(map);
}
});
fram_map = (FrameLayout) findViewById(R.id.fram_map);
Is_MAP_Moveable = false; // to detect map is movable
} else {
Toast.makeText(this, "Error - Map Fragment was null!!", Toast.LENGTH_SHORT).show();
}
}
public void Draw_Map() {
myMap.addPolyline(new PolylineOptions()
.addAll(val)
.color(Color.parseColor("#0971b2")).width(10f));
}
protected void loadMap(GoogleMap map) {
// TODO Auto-generated method stub
myMap = map;
myMap.setMyLocationEnabled(true);
myMap.setMapType(GoogleMap.MAP_TYPE_HYBRID);
myMap.setOnMapClickListener(this);
//myMap.setOnMapLongClickListener(this);
//myMap.setOnMarkerClickListener(this);
markerClicked = false;
fram_map.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
float x = event.getX();
float y = event.getY();
int x_co = Math.round(x);
int y_co = Math.round(y);
projection = myMap.getProjection();
Point x_y_points = new Point(x_co, y_co);
LatLng latLng = myMap.getProjection().fromScreenLocation(x_y_points);
latitude = latLng.latitude;
longitude = latLng.longitude;
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
// finger touches the screen
val.add(new LatLng(latitude, longitude));
case MotionEvent.ACTION_MOVE:
// finger moves on the screen
val.add(new LatLng(latitude, longitude));
case MotionEvent.ACTION_UP:
v.performClick();
// finger leaves the screen
Draw_Map();
break;
}
if (Is_MAP_Moveable == true) {
return true;
} else {
return false;
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
@Override
protected void onResume() {
super.onResume();
int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(getApplicationContext());
if (resultCode == ConnectionResult.SUCCESS){
Toast.makeText(getApplicationContext(),
"isGooglePlayServicesAvailable SUCCESS",
Toast.LENGTH_LONG).show();
}else{
GooglePlayServicesUtil.getErrorDialog(resultCode, this, RQS_GooglePlayServices);
}
}
@Override
public void onMapClick(LatLng point) {
Is_MAP_Moveable = !Is_MAP_Moveable;
Toast.makeText(getApplicationContext(),
Is_MAP_Moveable ? "drawing activated" : "drawing disabled",
Toast.LENGTH_SHORT).show();
// tvLocInfo.setText(point.toString());
// myMap.animateCamera(CameraUpdateFactory.newLatLng(point));
//
// markerClicked = false;
}
// @Override
// public void onMapLongClick(LatLng point) {
// tvLocInfo.setText("New marker [email protected]" + point.toString());
// myMap.addMarker(new MarkerOptions().position(point).title(point.toString()));
//
// markerClicked = false;
// }
//
// @Override
// public boolean onMarkerClick(Marker marker) {
//
// if(markerClicked){
//
// if(polygon != null){
// polygon.remove();
// polygon = null;
// }
//
// polygonOptions.add(marker.getPosition());
// polygonOptions.strokeColor(Color.RED);
// polygonOptions.fillColor(Color.BLUE);
// polygon = myMap.addPolygon(polygonOptions);
// }else{
// if(polygon != null){
// polygon.remove();
// polygon = null;
// }
//
// polygonOptions = new PolygonOptions().add(marker.getPosition());
// markerClicked = true;
// }
//
// return true;
// }
}