package com.njupt.bmap_helloworld;
import java.util.ArrayList;
import java.util.List;
import com.baidu.mapapi.BMapManager;
import com.baidu.mapapi.GeoPoint;
import com.baidu.mapapi.ItemizedOverlay;
import com.baidu.mapapi.MKGeneralListener;
import com.baidu.mapapi.MapActivity;
import com.baidu.mapapi.MapController;
import com.baidu.mapapi.MapView;
import com.baidu.mapapi.OverlayItem;
import android.os.Bundle;
import android.app.Activity;
import android.graphics.drawable.Drawable;
import android.view.Menu;
import android.widget.Toast;
public class MainActivity extends MapActivity {
private MapView mapView;//百度地圖的相關控件
private BMapManager bMapManager;//加載地圖的引擎
private String keyString = "04763B1D8C925195965E838C6E59DB767DAE4BA7";//百度地圖的key
private MapController mapController;//在百度地圖上添加一些控件,比如放大或縮小控件
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mapView = (MapView) findViewById(R.id.bmapView);
bMapManager = new BMapManager(MainActivity.this);
//必須要加載key
bMapManager.init(keyString, new MKGeneralListener() {
@Override
public void onGetPermissionState(int arg0) {
if(arg0 == 300){
Toast.makeText(MainActivity.this, "輸入的key有誤,請核實...", 1).show();
}
}
@Override
public void onGetNetworkState(int arg0) {
// TODO Auto-generated method stub
}
});
initMapActivity(bMapManager);
mapView.setBuiltInZoomControls(true);//表示可以設定縮放功能
mapController = mapView.getController();
mapController.setZoom(12);//設定縮放級别
// mapView.setTraffic(true);顯示交通地圖
// mapView.setSatellite(true);顯示衛星地圖
Drawable drawable = getResources().getDrawable(R.drawable.iconmarka);
mapView.getOverlays().add(new MyOverLayItem(drawable));
}
public class MyOverLayItem extends ItemizedOverlay<OverlayItem>{
private List<OverlayItem> list = new ArrayList<OverlayItem>();
//定義一組坐标,每一個都是double類型
private double mLat1 = 39.90923;//緯度
private double mLon1 = 116.397428;//經度
private double mLat2 = 39.9022;
private double mLon2 = 116.3922;
private double mLat3 = 39.917723;
private double mLon3 = 116.37222;
//用于在地圖上标志坐标,用一個圖檔标志
public MyOverLayItem(Drawable drawable) {
super(drawable);
//第一組資料在地圖上的标注點
GeoPoint geoPoint1 = new GeoPoint((int)(mLat1*1E6), (int)(mLon1*1E6));
GeoPoint geoPoint2 = new GeoPoint((int)(mLat2*1E6), (int)(mLon2*1E6));
GeoPoint geoPoint3 = new GeoPoint((int)(mLat3*1E6), (int)(mLon3*1E6));
list.add(new OverlayItem(geoPoint1, "Point1", "Point1"));
list.add(new OverlayItem(geoPoint2, "Point2", "Point2"));
list.add(new OverlayItem(geoPoint3, "Point3", "Point3"));
populate();//重新整理地圖,不加的話會報NullPointException
}
//傳回list集合中的每一個坐标
@Override
protected OverlayItem createItem(int arg0) {
return list.get(arg0);
}
@Override
public int size() {
return list.size();
}
@Override
protected boolean onTap(int i) {//設定點選事件
Toast.makeText(MainActivity.this, list.get(i).getSnippet(), 1).show();
return true;
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if(bMapManager != null){
bMapManager.destroy();
bMapManager = null;
}
}
@Override
protected void onResume() {
super.onResume();
if(bMapManager != null){
bMapManager.start();
}
}
@Override
protected void onPause() {
super.onPause();
if(bMapManager != null){
bMapManager.stop();
}
}
@Override
protected boolean isRouteDisplayed() {
// TODO Auto-generated method stub
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.main, menu);
return true;
}
}