Question

android 高德地图tile 怎么得byte

Answer 1

在Swift基础 - - 高德地图实践（一）中使用swift来使用高德地图，这里使用Android实践高德地图包含定位，移动地图动画，获取网络数据，marker标记以及点击，Infowindow自定义界面以及点击，以及点击无marker地图上面隐藏infowindow等功能。直接看代码

package com.carmap.ui;

import android.graphics.Color;
import android.location.Location;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;

import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationListener;
import com.amap.api.location.LocationManagerProxy;
import com.amap.api.location.LocationProviderProxy;
import com.amap.api.maps.AMap;
import com.amap.api.maps.AMap.InfoWindowAdapter;
import com.amap.api.maps.AMap.OnCameraChangeListener;
import com.amap.api.maps.AMap.OnInfoWindowClickListener;
import com.amap.api.maps.AMap.OnMapClickListener;
import com.amap.api.maps.AMap.OnMapLoadedListener;
import com.amap.api.maps.AMap.OnMarkerClickListener;
import com.amap.api.maps.CameraUpdateFactory;
import com.amap.api.maps.LocationSource;
import com.amap.api.maps.MapView;
import com.amap.api.maps.UiSettings;
import com.amap.api.maps.model.BitmapDescriptorFactory;
import com.amap.api.maps.model.CameraPosition;
import com.amap.api.maps.model.LatLng;
import com.amap.api.maps.model.Marker;
import com.amap.api.maps.model.MarkerOptions;
import com.amap.api.maps.model.MyLocationStyle;
import com.carmap.R;
import com.carmap.ui.base.BaseActivity;

/**
*
* @author jwzhangjie
*
*/
public class MapActivity extends BaseActivity implements AMapLocationListener,
LocationSource, OnMarkerClickListener, OnInfoWindowClickListener,
InfoWindowAdapter, OnMapLoadedListener, OnCameraChangeListener,
AnimationListener, OnClickListener, OnMapClickListener {

private MapView mapView;
private AMap aMap;
private LocationManagerProxy aMapManager;
private OnLocationChangedListener mListener;
private UiSettings mUiSettings;
private AMapLocation aLocation;

private Animation centerMarker;
private ImageView centerImageView;
private Marker currentMarker;

private boolean isFirst = true;

private ImageView locate;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
mapView = (MapView) findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);// 此方法必须重写
centerMarker = AnimationUtils.loadAnimation(this,
R.anim.center_map_bounds);
centerImageView = (ImageView) findViewById(R.id.centerMarkerImg);
locate = (ImageView) findViewById(R.id.locate);
initMap();
}

/**
* 初始化AMap对象
*/
private void initMap() {
if (aMap == null) {
aMap = mapView.getMap();
mUiSettings = aMap.getUiSettings();
}
// 自定义系统定位小蓝点
MyLocationStyle myLocationStyle = new MyLocationStyle();
myLocationStyle.myLocationIcon(BitmapDescriptorFactory
.fromResource(R.drawable.transdrawable));// 设置小蓝点的图标
myLocationStyle.strokeColor(Color.argb(0, 0, 0, 0));// 设置圆形的边框颜色
myLocationStyle.radiusFillColor(Color.argb(0, 0, 0, 0));// 设置圆形的填充颜色
myLocationStyle.strokeWidth(0f);// 设置圆形的边框粗细
aMap.setMyLocationStyle(myLocationStyle);
aMap.setMyLocationRotateAngle(180);
aMap.setLocationSource(this);// 设置定位监听
mUiSettings.setMyLocationButtonEnabled(false); // 是否显示默认的定位按钮
aMap.setMyLocationEnabled(true);// 是否可触发定位并显示定位层
aMap.setMyLocationType(AMap.LOCATION_TYPE_LOCATE);
mUiSettings.setTiltGesturesEnabled(false);// 设置地图是否可以倾斜
mUiSettings.setScaleControlsEnabled(true);// 设置地图默认的比例尺是否显示
mUiSettings.setZoomControlsEnabled(false);
initMapListener();
}

private void initMapListener() {
aMap.setOnMapLoadedListener(this);
aMap.setOnCameraChangeListener(this);
aMap.setOnMarkerClickListener(this);
aMap.setOnInfoWindowClickListener(this);
aMap.setInfoWindowAdapter(this);// 设置自定义InfoWindow样式
aMap.setOnMapClickListener(this);
centerMarker.setAnimationListener(this);
locate.setOnClickListener(this);
}

/**
* 方法必须重写
*/
@Override
protected void onResume() {
super.onResume();
mapView.onResume();
}

/**
* 方法必须重写
*/
@Override
protected void onPause() {
super.onPause();
mapView.onPause();
}

/**
* 方法必须重写
*/
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}

/**
* 方法必须重写
*/
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}

@Override
public void onLocationChanged(Location location) {

}

@Override
public void onStatusChanged(String provider, int status, Bundle extras) {

}

@Override
public void onProviderEnabled(String provider) {

}

@Override
public void onProviderDisabled(String provider) {

}

@Override
public void onLocationChanged(AMapLocation aLocation) {
if (aLocation != null) {
this.aLocation = aLocation;
if (mListener != null)
mListener.onLocationChanged(aLocation);// 显示系统小蓝点
if (isFirst) {
isFirst = false;
aMap.moveCamera(CameraUpdateFactory.changeLatLng(new LatLng(
aLocation.getLatitude(), aLocation.getLongitude())));
CameraUpdateFactory.zoomTo(16);
MarkerOptions markerOption = new MarkerOptions();
markerOption.position(new LatLng(aLocation.getLatitude(),
aLocation.getLongitude()));
markerOption.title("上海市").snippet("上海：34.341568, 108.940174");
markerOption.draggable(true);
Marker marker = aMap.addMarker(markerOption);
marker.setObject("11");//这里可以存储用户数据
}
}
}

@SuppressWarnings("deprecation")
@Override
public void activate(OnLocationChangedListener listener) {
mListener = listener;
if (aMapManager == null) {
aMapManager = LocationManagerProxy.getInstance(this);
/*
* 1.0.2版本新增方法，设置true表示混合定位中包含gps定位，false表示纯网络定位，默认是true
*/
// Location API定位采用GPS和网络混合定位方式，时间最短是2000毫秒
aMapManager.requestLocationUpdates(
LocationProviderProxy.AMapNetwork, 2000, 10, this);
}
}

/**
* 停止定位
*/
@Override
public void deactivate() {
mListener = null;
if (aMapManager != null) {
aMapManager.removeUpdates(this);
aMapManager.destory();
}
aMapManager = null;
}

@Override
public boolean onMarkerClick(Marker marker) {
currentMarker = marker;
Log.e("marker", marker.getObject() + "marker: " + marker.getPosition().latitude+" ： "+marker);
return false;
}

附上出处链接：http://blog.csdn.net/jwzhangjie/article/details/43151045