/
EventsDemoActivity.java
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/
EventsDemoActivity.java
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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.mapdemo;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.GoogleMap.OnCameraChangeListener;
import com.google.android.gms.maps.GoogleMap.OnMapClickListener;
import com.google.android.gms.maps.GoogleMap.OnMapLongClickListener;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.CameraPosition;
import com.google.android.gms.maps.model.LatLng;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.widget.TextView;
/**
* This shows how to listen to some {@link GoogleMap} events.
*/
public class EventsDemoActivity extends FragmentActivity
implements OnMapClickListener, OnMapLongClickListener, OnCameraChangeListener {
private GoogleMap mMap;
private TextView mTapTextView;
private TextView mCameraTextView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.events_demo);
mTapTextView = (TextView) findViewById(R.id.tap_text);
mCameraTextView = (TextView) findViewById(R.id.camera_text);
setUpMapIfNeeded();
}
@Override
protected void onResume() {
super.onResume();
setUpMapIfNeeded();
}
private void setUpMapIfNeeded() {
if (mMap == null) {
mMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map))
.getMap();
if (mMap != null) {
setUpMap();
}
}
}
private void setUpMap() {
mMap.setOnMapClickListener(this);
mMap.setOnMapLongClickListener(this);
mMap.setOnCameraChangeListener(this);
}
@Override
public void onMapClick(LatLng point) {
mTapTextView.setText("tapped, point=" + point);
}
@Override
public void onMapLongClick(LatLng point) {
mTapTextView.setText("long pressed, point=" + point);
}
@Override
public void onCameraChange(final CameraPosition position) {
mCameraTextView.setText(position.toString());
}
}