package baidumapsdk.demo.map;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.SeekBar;
import android.widget.Toast;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BaiduMap.OnMarkerClickListener;
import com.baidu.mapapi.map.BaiduMap.OnMarkerDragListener;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.BitmapDescriptorFactory;
import com.baidu.mapapi.map.GroundOverlayOptions;
import com.baidu.mapapi.map.InfoWindow;
import com.baidu.mapapi.map.InfoWindow.OnInfoWindowClickListener;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.Marker;
import com.baidu.mapapi.map.MarkerOptions;
import com.baidu.mapapi.map.MarkerOptions.MarkerAnimateType;
import com.baidu.mapapi.map.OverlayOptions;
import com.baidu.mapapi.model.LatLng;
import com.baidu.mapapi.model.LatLngBounds;
import java.util.ArrayList;
import baidumapsdk.demo.R;
/**
* 演示覆盖物的用法
*/
public class OverlayDemo extends Activity {
/**
* MapView 是地图主控件
*/
private MapView mMapView;
private BaiduMap mBaiduMap;
private Marker mMarkerA;
private Marker mMarkerB;
private Marker mMarkerC;
private Marker mMarkerD;
private InfoWindow mInfoWindow;
private SeekBar alphaSeekBar = null;
private CheckBox animationBox = null;
// 初始化全局 bitmap 信息，不用时及时 recycle
BitmapDescriptor bdA = BitmapDescriptorFactory
.fromResource(R.drawable.icon_marka);
BitmapDescriptor bdB = BitmapDescriptorFactory
.fromResource(R.drawable.icon_markb);
BitmapDescriptor bdC = BitmapDescriptorFactory
.fromResource(R.drawable.icon_markc);
BitmapDescriptor bdD = BitmapDescriptorFactory
.fromResource(R.drawable.icon_markd);
BitmapDescriptor bd = BitmapDescriptorFactory
.fromResource(R.drawable.icon_gcoding);
BitmapDescriptor bdGround = BitmapDescriptorFactory
.fromResource(R.drawable.ground_overlay);
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_overlay);
alphaSeekBar = (SeekBar) findViewById(R.id.alphaBar);
alphaSeekBar.setOnSeekBarChangeListener(new SeekBarListener());
animationBox = (CheckBox) findViewById(R.id.animation);
mMapView = (MapView) findViewById(R.id.bmapView);
mBaiduMap = mMapView.getMap();
MapStatusUpdate msu = MapStatusUpdateFactory.zoomTo(14.0f);
mBaiduMap.setMapStatus(msu);
initOverlay();
mBaiduMap.setOnMarkerClickListener(new OnMarkerClickListener() {
public boolean onMarkerClick(final Marker marker) {
Button button = new Button(getApplicationContext());
button.setBackgroundResource(R.drawable.popup);
OnInfoWindowClickListener listener = null;
if (marker == mMarkerA || marker == mMarkerD) {
button.setText("更改位置");
button.setBackgroundColor( 0x0000f );
button.setWidth( 300 );
listener = new OnInfoWindowClickListener() {
public void onInfoWindowClick() {
LatLng ll = marker.getPosition();
LatLng llNew = new LatLng(ll.latitude + 0.005,
ll.longitude + 0.005);
marker.setPosition(llNew);
mBaiduMap.hideInfoWindow();
}
};
LatLng ll = marker.getPosition();
mInfoWindow = new InfoWindow(BitmapDescriptorFactory.fromView(button), ll, -47, listener);
mBaiduMap.showInfoWindow(mInfoWindow);
} else if (marker == mMarkerB) {
button.setText("更改图标");
button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
marker.setIcon(bd);
mBaiduMap.hideInfoWindow();
}
});
LatLng ll = marker.getPosition();
mInfoWindow = new InfoWindow(button, ll, -47);
mBaiduMap.showInfoWindow(mInfoWindow);
} else if (marker == mMarkerC) {
button.setText("删除");
button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
marker.remove();
mBaiduMap.hideInfoWindow();
}
});
LatLng ll = marker.getPosition();
mInfoWindow = new InfoWindow(button, ll, -47);
mBaiduMap.showInfoWindow(mInfoWindow);
}
return true;
}
});
}
public void initOverlay() {
// add marker overlay
LatLng llA = new LatLng(39.963175, 116.400244);
LatLng llB = new LatLng(39.942821, 116.369199);
LatLng llC = new LatLng(39.939723, 116.425541);
LatLng llD = new LatLng(39.906965, 116.401394);
MarkerOptions ooA = new MarkerOptions().position(llA).icon(bdA)
.zIndex(9).draggable(true);
if (animationBox.isChecked()) {
// 掉下动画
ooA.animateType(MarkerAnimateType.drop);
}
mMarkerA = (Marker) (mBaiduMap.addOverlay(ooA));
MarkerOptions ooB = new MarkerOptions().position(llB).icon(bdB)
.zIndex(5);
if (animationBox.isChecked()) {
// 掉下动画
ooB.animateType(MarkerAnimateType.drop);
}
mMarkerB = (Marker) (mBaiduMap.addOverlay(ooB));
MarkerOptions ooC = new MarkerOptions().position(llC).icon(bdC)
.perspective(false).anchor(0.5f, 0.5f).rotate(30).zIndex(7);
if (animationBox.isChecked()) {
// 生长动画
ooC.animateType(MarkerAnimateType.grow);
}
mMarkerC = (Marker) (mBaiduMap.addOverlay(ooC));
ArrayList<BitmapDescriptor> giflist = new ArrayList<BitmapDescriptor>();
giflist.add(bdA);
giflist.add(bdB);
giflist.add(bdC);
MarkerOptions ooD = new MarkerOptions().position(llD).icons(giflist)
.zIndex(0).period(10);
if (animationBox.isChecked()) {
// 生长动画
ooD.animateType(MarkerAnimateType.grow);
}
mMarkerD = (Marker) (mBaiduMap.addOverlay(ooD));
// add ground overlay
LatLng southwest = new LatLng(39.92235, 116.380338);
LatLng northeast = new LatLng(39.947246, 116.414977);
LatLngBounds bounds = new LatLngBounds.Builder().include(northeast)
.include(southwest).build();
OverlayOptions ooGround = new GroundOverlayOptions()
.positionFromBounds(bounds).image(bdGround).transparency(0.8f);
mBaiduMap.addOverlay(ooGround);
MapStatusUpdate u = MapStatusUpdateFactory
.newLatLng(bounds.getCenter());
mBaiduMap.setMapStatus(u);
mBaiduMap.setOnMarkerDragListener(new OnMarkerDragListener() {
public void onMarkerDrag(Marker marker) {
}
public void onMarkerDragEnd(Marker marker) {
Toast.makeText(
OverlayDemo.this,
"拖拽结束，新位置：" + marker.getPosition().latitude + ", "
+ marker.getPosition().longitude,
Toast.LENGTH_LONG).show();
}
public void onMarkerDragStart(Marker marker) {
}
});
}
/**
* 清除所有Overlay
*
* @param view
*/
public void clearOverlay(View view) {
mBaiduMap.clear();
mMarkerA = null;
mMarkerB = null;
mMarkerC = null;
mMarkerD = null;
}
/**
* 重新添加Overlay
*
* @param view
*/
public void resetOverlay(View view) {
clearOverlay(null);
initOverlay();
}
private class SeekBarListener implements SeekBar.OnSeekBarChangeListener {
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
float alpha = ((float) seekBar.getProgress()) / 10;
if (mMarkerA != null) {
mMarkerA.setAlpha(alpha);
}
if (mMarkerB != null) {
mMarkerB.setAlpha(alpha);
}
if (mMarkerC != null) {
mMarkerC.setAlpha(alpha);
}
if (mMarkerD != null) {
mMarkerD.setAlpha(alpha);
}
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
}
@Override
protected void onPause() {
// MapView的生命周期与Activity同步，当activity挂起时需调用MapView.onPause()
mMapView.onPause();
super.onPause();
}
@Override
protected void onResume() {
// MapView的生命周期与Activity同步，当activity恢复时需调用MapView.onResume()
mMapView.onResume();
super.onResume();
}
@Override
protected void onDestroy() {
// MapView的生命周期与Activity同步，当activity销毁时需调用MapView.destroy()
mMapView.onDestroy();
super.onDestroy();
// 回收 bitmap 资源
bdA.recycle();
bdB.recycle();
bdC.recycle();
bdD.recycle();
bd.recycle();
bdGround.recycle();
}
}