Android--高德地图通过经纬度简单的实现轨迹回放
效果图：
1、首先去高德地图官网去申请key，然后下载相关jar包。
/**
* Created by Administrator on 2019/5/31
*
* desc:轨迹回放
*/
public class TraceReloadActivity extends FragmentActivity {
private AMap aMap;
private Marker marker = null;// 当前轨迹点图案
public Handler timer = new Handler();// 定时器
public Runnable runnable = null;
// 存放所有坐标的数组
private ArrayList latlngList = new ArrayList();
private ArrayList latlngList_path = new ArrayList();
// private ArrayList latlngList_path1 = new ArrayList();
private OptionsPickerView mworkPickerView;
private TimePickerView mstartPickerView,mendPickerView;
List names;
@BindView(R.id.process_bar)
SeekBar processbar;
@BindView(R.id.btn_replay)
Button replayButton;
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
if (msg.what == 1) {
int curpro = processbar.getProgress();
if (curpro != processbar.getMax()) {
processbar.setProgress(curpro + 1);
timer.postDelayed(runnable, 500);// 延迟0.5秒后继续执行
} else {
replayButton.setText(" 回放 ");// 已执行到最后一个坐标 停止任务
}
}
}
};
private static final LatLng marker1 = new LatLng(34.19756,108.86557);
private static final LatLng marker2 = new LatLng(34.197666,108.865034);
private static final LatLng marker3 = new LatLng(34.195987,108.866503);
private static final LatLng marker4 = new LatLng(34.19559,108.8643);
private static final LatLng marker5 = new LatLng(34.1966500000,108.8645600000);
private static final LatLng marker6 = new LatLng(34.1962500000,108.8650100000);
private static final LatLng marker7 = new LatLng(34.1958100000,108.8640800000);
private static final LatLng marker8 = new LatLng(34.1964910000,108.8641510000);
private static final LatLng marker9 = new LatLng(34.1944820000,108.8651110000);
private static final LatLng marker10 = new LatLng(34.1945400000,108.8683700000);
Context context;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_tracereload);
ButterKnife.bind(this);
context = this;
init();
}
/**
* 初始化AMap对象
*/
private void init() {
processbar.setSelected(false);
processbar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
}
});
// 进度条拖动时 执行相应事件
processbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
// 复写OnSeeBarChangeListener的三个方法
// 第一个时OnStartTrackingTouch,在进度开始改变时执行
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
// 第二个方法onProgressChanged是当进度发生改变时执行
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
latlngList_path.clear();
if (progress != 0) {
for (int i = 0; i < seekBar.getProgress(); i++) {
latlngList_path.add(latlngList.get(i));
}
drawLine(latlngList_path, progress);
}
try {
Thread.sleep(100);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// 第三个是onStopTrackingTouch,在停止拖动时执行
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
latlngList_path.clear();
int current = seekBar.getProgress();
if (current != 0) {
for (int i = 0; i < seekBar.getProgress(); i++) {
latlngList_path.add(latlngList.get(i));
}
drawLine(latlngList_path, current);
}
}
});
// 初始化runnable开始
runnable = new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
handler.sendMessage(Message.obtain(handler, 1));
}
};
// TODO Auto-generated method stub
if (aMap == null) {
aMap = ((SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map)).getMap();
if (aMap != null) {
setUpMap();
}
}
}
private void drawLine(ArrayList list, int current) {
// TODO Auto-generated method stub
aMap.clear();
LatLng replayGeoPoint = latlngList.get(current - 1);
if (marker != null) {
marker.destroy();
}
// 添加人位置
MarkerOptions markerOptions = new MarkerOptions();
markerOptions
.position(replayGeoPoint)
.title("起点")
.snippet(" ")
.icon(BitmapDescriptorFactory
.fromBitmap(BitmapFactory.decodeResource(
getResources(), R.drawable.man)))
.anchor(0.5f, 0.5f);
marker = aMap.addMarker(markerOptions);
// 增加起点开始
aMap.addMarker(new MarkerOptions()
.position(latlngList.get(0))
.title("起点")
.icon(BitmapDescriptorFactory.fromBitmap(BitmapFactory
.decodeResource(
getResources(),
R.drawable.nav_route_result_start_point))));
// // 增加起点结束
if (latlngList_path.size() > 1) {
PolylineOptions polylineOptions = (new PolylineOptions())
.addAll(latlngList_path)
.color(Color.rgb(9, 129, 240)).width(6.0f);
aMap.addPolyline(polylineOptions);
}
if (latlngList_path.size() == latlngList.size()) {
aMap.addMarker(new MarkerOptions()
.position(latlngList.get(latlngList.size() - 1))
.title("终点")
.icon(BitmapDescriptorFactory.fromBitmap(BitmapFactory
.decodeResource(
getResources(),
R.drawable.nav_route_result_end_point))));
}
}
private void setUpMap() {
// TODO Auto-generated method stub
// 加入坐标
latlngList.add(marker1);
latlngList.add(marker2);
latlngList.add(marker3);
latlngList.add(marker4);
latlngList.add(marker5);
latlngList.add(marker6);
latlngList.add(marker7);
latlngList.add(marker8);
latlngList.add(marker9);
latlngList.add(marker10);
// latlngList_path.add(marker1);
// 设置进度条最大长度为数组长度
processbar.setMax(latlngList.size());
aMap.setMapType(AMap.MAP_TYPE_NORMAL);
//设置地图的放缩级别
aMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latlngList.get(0), 15));
}
public void btn_replay_click(View v) {
// 根据按钮上的字判断当前是否在回放
if (replayButton.getText().toString().trim().equals("回放")) {
if (latlngList.size() > 0) {
// 假如当前已经回放到最后一点 置0
if (processbar.getProgress() == processbar.getMax()) {
processbar.setProgress(0);
}
// 将按钮上的字设为"停止" 开始调用定时器回放
replayButton.setText(" 停止 ");
timer.postDelayed(runnable, 10);
}
} else {
// 移除定时器的任务
timer.removeCallbacks(runnable);
replayButton.setText(" 回放 ");
}
}
}
图片资源在下载的高德地图demo里面可以找到。