Android 集成百度地图实现设备定位

Posted 2021-01-16

Android 集成百度地图实现设备定位
步骤1：
申请android 端SDK :
http://lbsyun.baidu.com/
步骤2：
下载基础版SDK
步骤3：
下载示例程序
步骤4：
开始集成：
ak加入
libs加入
SDKInitializer.setCoordType(CoordType.BD09LL);
图标
类

/**
 * 演示覆盖物的用法
 */
public class OverlayDemo extends BaseActivity {

    /**
     * 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;
    Double  loc=0.00050;

    // 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 BaiduMap.OnMarkerClickListener() {
            public boolean onMarkerClick(final Marker marker) {
                Button button = new Button(getApplicationContext());
                button.setBackgroundResource(R.drawable.popup);
                InfoWindow.OnInfoWindowClickListener listener = null;
                if (marker == mMarkerA || marker == mMarkerD) {
                    button.setText("更改位置");
                    button.setTextColor(Color.BLACK);
                    button.setWidth(300);

                    listener = new InfoWindow.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.setTextColor(Color.BLACK);
                    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.setTextColor(Color.BLACK);
                    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() {

        loc=loc+0.0005;
        // add marker overlay
        LatLng llA = new LatLng(35.963175+loc, 110.400244+loc);
        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(MarkerOptions.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(MarkerOptions.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(MarkerOptions.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(MarkerOptions.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);

        LatLng southwest = new LatLng(35.963175, 110.400244);
        LatLng northeast = new LatLng(35.963170, 110.400240);

        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 BaiduMap.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();
    }

}