package cn.flightfeather.thirdapp.task;
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import android.graphics.Color;
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import android.os.Handler;
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import android.os.Message;
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import com.amap.api.maps.model.LatLng;
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import com.amap.api.maps.model.PolylineOptions;
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import com.amap.api.services.district.DistrictItem;
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/**
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* Created by linli on 2018/3/1.
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* 获取区域边界点位信息的runnable
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*/
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public class ObtainBoundaryRunnable implements Runnable {
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private DistrictItem districtItem;
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private Handler handler;
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private boolean isCancel = false;
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/**
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* districtBoundary()
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* 以字符串数组形式返回行政区划边界值。
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* 字符串拆分规则： 经纬度，经度和纬度之间用","分隔，坐标点之间用";"分隔。
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* 例如：116.076498,40.115153;116.076603,40.115071;116.076333,40.115257;116.076498,40.115153。
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* 字符串数组由来： 如果行政区包括的是群岛，则坐标点是各个岛屿的边界，各个岛屿之间的经纬度使用"|"分隔。
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* 一个字符串数组可包含多个封闭区域，一个字符串表示一个封闭区域
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*/
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public ObtainBoundaryRunnable(DistrictItem districtItem, Handler handler) {
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this.districtItem = districtItem;
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this.handler = handler;
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}
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// public void cancel() {
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// isCancel = true;
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// }
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/**
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* Starts executing the active part of the class' code. This method is
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* called when a thread is started that has been created with a class which
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* implements {@code Runnable}.
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*/
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@Override
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public void run() {
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if (!isCancel) {
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try {
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String[] boundary = districtItem.districtBoundary();
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if (boundary != null && boundary.length > 0) {
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for (String b : boundary) {
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if (!b.contains("|")) {
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String[] split = b.split(";");
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PolylineOptions polylineOptions = new PolylineOptions();
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boolean isFirst = true;
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LatLng firstLatLng = null;
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for (String s : split) {
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String[] ll = s.split(",");
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if (isFirst) {
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isFirst = false;
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firstLatLng = new LatLng(Double.parseDouble(ll[1]), Double.parseDouble(ll[0]));
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}
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polylineOptions.add(new LatLng(Double.parseDouble(ll[1]), Double.parseDouble(ll[0])));
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}
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if (firstLatLng != null) {
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polylineOptions.add(firstLatLng);
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}
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polylineOptions.width(10).color(Color.BLUE).setDottedLine(true);
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Message message = handler.obtainMessage();
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message.what = 18;
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message.obj = polylineOptions;
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handler.sendMessage(message);
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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}
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