工程结构图:
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效果图:
[img]
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main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<com.google.android.maps.MapView
android:id="@+id/MapView01"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:apiKey="0axCo4Wu7FStW2yuF-kfg0X8Rr50919GvKpiCrA"/>
</RelativeLayout>
AndroidManifest.xml:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.magus.map"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="8" />
<application android:icon="@drawable/icon" android:label="@string/app_name">
<uses-library android:name="com.google.android.maps" />
<activity android:name="Activity01"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
</manifest>
Activity01:
package com.magus.map;
import java.util.List;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Point;
import android.os.Bundle;
public class Activity01 extends MapActivity {
private MapView mMapView;
private MapController mMapController;
private GeoPoint mGeoPoint;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mMapView = (MapView) findViewById(R.id.MapView01);
// 设置为交通模式
mMapView.setTraffic(true);
// 设置为卫星模式
//mMapView.setSatellite(true);
// 设置为街景模式
// mMapView.setStreetView(false);
// 取得MapController对象(控制MapView)
mMapController = mMapView.getController();
mMapView.setEnabled(true);
mMapView.setClickable(true);
// 设置地图支持缩放
mMapView.setBuiltInZoomControls(true);
// 设置起点为成都
mGeoPoint = new GeoPoint((int) (30.659259 * 1000000),
(int) (104.065762 * 1000000));
// 定位到成都
mMapController.animateTo(mGeoPoint);
// 设置倍数(1-21)
mMapController.setZoom(12);
// 添加Overlay,用于显示标注信息
MyLocationOverlay myLocationOverlay = new MyLocationOverlay();
List<Overlay> list = mMapView.getOverlays();
list.add(myLocationOverlay);
}
protected boolean isRouteDisplayed() {
return false;
}
class MyLocationOverlay extends Overlay {
public boolean draw(Canvas canvas, MapView mapView, boolean shadow,
long when) {
super.draw(canvas, mapView, shadow);
Paint paint = new Paint();
Point myScreenCoords = new Point();
// 将经纬度转换成实际屏幕坐标
mapView.getProjection().toPixels(mGeoPoint, myScreenCoords);
paint.setStrokeWidth(1);
paint.setARGB(255, 255, 0, 0);
paint.setStyle(Paint.Style.STROKE);
Bitmap bmp = BitmapFactory.decodeResource(getResources(),
R.drawable.home);
canvas.drawBitmap(bmp, myScreenCoords.x, myScreenCoords.y, paint);
canvas.drawText("天府广场", myScreenCoords.x, myScreenCoords.y, paint);
return true;
}
}
}