Android 通过地名获得经纬度并标识在地图上

核心提示：Projection projection = mapView.getProjection();Point point = new Point();projection.toPixels(geoPoint, point);Bitmap bitmap = BitmapFactory.decodeResource(cont

Projection projection = mapView.getProjection();

Point point = new Point();

projection.toPixels(geoPoint, point);

Bitmap bitmap = BitmapFactory.decodeResource(context.getResources(),

drawable);

canvas.drawBitmap(bitmap, point.x-bitmap.getWidth()/2 , point.y-bitmap.getHeight(), null);

super.draw(canvas, mapView, shadow);

}

}

}

/**

*

*/

package com.decarta.demo;

import java.io.IOException;

import java.util.List;

import java.util.Locale;

import android.app.AlertDialog;

import android.app.Dialog;

import android.content.Context;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.Canvas;

import android.graphics.Point;

import android.location.Address;

import android.location.Geocoder;

import android.os.Bundle;

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 com.google.android.maps.Projection;

/**

* @author Tony Shen

*

*/

public class Main extends MapActivity {

// 地图显示控制相关变量定义

private MapView map = null;

private MapController mapCon;

private Geocoder geo;

private static final int ERROR_DIALOG = 1;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

geo = new Geocoder(this, Locale.CHINA);