342 lines
13 KiB
Java
342 lines
13 KiB
Java
package com.example.oplogy;
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import androidx.fragment.app.FragmentActivity;
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import android.graphics.Color;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.Spinner;
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import android.widget.TextView;
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import com.google.android.gms.maps.CameraUpdateFactory;
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import com.google.android.gms.maps.GoogleMap;
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import com.google.android.gms.maps.OnMapReadyCallback;
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import com.google.android.gms.maps.SupportMapFragment;
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import com.google.android.gms.maps.model.BitmapDescriptorFactory;
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import com.google.android.gms.maps.model.LatLng;
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import com.google.android.gms.maps.model.Marker;
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import com.google.android.gms.maps.model.MarkerOptions;
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import com.example.oplogy.databinding.MapsBinding;
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import com.google.android.gms.maps.model.PolylineOptions;
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import com.google.gson.Gson;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonPrimitive;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class Maps extends FragmentActivity implements OnMapReadyCallback, View.OnClickListener, GoogleMap.OnMarkerClickListener {
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ImageView backMain;
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private GoogleMap mMap;
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private MapsBinding binding;
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private LinearLayout locationsName;
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private Spinner dateSpinner;
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private static final int[] COLORS = new int[]{
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Color.BLUE, Color.RED, Color.GREEN, Color.MAGENTA, Color.CYAN, Color.YELLOW
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};
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private int colorIndex = 0;
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private List<LatLng> latLngList = new ArrayList<>();
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private List<String> nameList = new ArrayList<>();
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private List<Integer> colorList = new ArrayList<>();
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private Map<String, Runnable> dateMap = new HashMap<>();
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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binding = MapsBinding.inflate(getLayoutInflater());
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setContentView(binding.getRoot());
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SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
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.findFragmentById(R.id.map);
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mapFragment.getMapAsync(this);
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backMain = findViewById(R.id.BackMain);
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backMain.setOnClickListener(this);
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locationsName = findViewById(R.id.locationsName);
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// 日付を入れる処理
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String dateData = "6月3日/6月4日/6月5日/6月6日/6月7日";
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ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item);
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adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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String[] dates = dateData.split("/");
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for (String date : dates) {
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adapter.add(date);
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}
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// 各日付に対応するRunnableを設定する
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dateMap.put("6月3日", this::firstMapAndNames);
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dateMap.put("6月4日", this::secondMapAndNames);
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dateMap.put("6月5日", this::thirdMapAndNames);
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// 必要に応じて追加の日付に対応するメソッドをここに追加
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dateMap.put("6月6日", this::additionalMapAndNames);
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dateMap.put("6月7日", this::additionalMapAndNames2);
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dateSpinner = findViewById(R.id.date);
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dateSpinner.setAdapter(adapter);
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dateSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
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@Override
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public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
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String selectedItem = (String) parent.getItemAtPosition(position);
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Runnable mapLoader = dateMap.get(selectedItem);
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if (mapLoader != null) {
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mapLoader.run();
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}
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}
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@Override
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public void onNothingSelected(AdapterView<?> parent) {
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// Do nothing
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}
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});
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}
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@Override
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public void onMapReady(GoogleMap googleMap) {
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mMap = googleMap;
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mMap.setOnMarkerClickListener(this);
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firstMapAndNames(); // 最初に表示するデータセットをロード
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}
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private void firstMapAndNames() {
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String locationData = "35.09050879999539,136.87845379325216/35.091950716938875,136.8826598363985/35.09273643623442,136.88154941341296/35.09473643623442,136.88154941341296/35.09673643623442,136.88154941341296";
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String nameData = "名古屋港水族館/2番目/3番目/4番目/5番目";
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loadMapAndNames(locationData, nameData);
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}
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private void secondMapAndNames() {
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String locationData2 = "35.09050879999539,136.87845379325216/35.091950716938875,136.8826598363985/35.09273643623442,136.88154941341296";
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String nameData2 = "名古屋港水族館/2番目/3番目";
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loadMapAndNames(locationData2, nameData2);
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}
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private void thirdMapAndNames() {
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String locationData3 = "35.09050879999539,136.87845379325216/35.091950716938875,136.8826598363985";
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String nameData3 = "名古屋港水族館/2番目";
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loadMapAndNames(locationData3, nameData3);
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}
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// 追加の日付に対応するメソッド
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private void additionalMapAndNames() {
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String locationData4 = "35.09050879999539,136.87845379325216/35.091950716938875,136.8826598363985/35.09300000000000,136.88300000000000";
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String nameData4 = "名古屋港水族館/2番目/3番目";
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loadMapAndNames(locationData4, nameData4);
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}
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private void additionalMapAndNames2() {
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String locationData5 = "35.09050879999539,136.87845379325216/35.091950716938875,136.8826598363985/35.09400000000000,136.88400000000000";
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String nameData5 = "名古屋港水族館/2番目/3番目";
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loadMapAndNames(locationData5, nameData5);
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}
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private void loadMapAndNames(String locationData, String nameData) {
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try {
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latLngList.clear();
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nameList.clear();
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colorList.clear();
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locationsName.removeAllViews();
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mMap.clear();
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String[] locArray = locationData.split("/");
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String[] nameArray = nameData.split("/");
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for (int i = 0; i < locArray.length; i++) {
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String[] latLng = locArray[i].split(",");
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if (latLng.length == 2) {
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double latitude = Double.parseDouble(latLng[0]);
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double longitude = Double.parseDouble(latLng[1]);
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LatLng position = new LatLng(latitude, longitude);
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latLngList.add(position);
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String name = nameArray.length > i ? nameArray[i] : "Unknown";
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nameList.add(name);
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int color = getNextColor();
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colorList.add(color);
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addPinToMap(name, position, color);
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addLocationToScrollView(name, color);
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}
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}
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if (!latLngList.isEmpty()) {
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mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latLngList.get(0), 17));
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drawRoute();
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}
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} catch (Exception e) {
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Log.e("Maps", "Error loading maps and names", e);
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}
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}
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private void drawRoute() {
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new Thread(() -> {
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try {
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StringBuilder urlBuilder = new StringBuilder("https://maps.googleapis.com/maps/api/directions/json?");
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urlBuilder.append("origin=").append(latLngList.get(0).latitude).append(",").append(latLngList.get(0).longitude);
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urlBuilder.append("&destination=").append(latLngList.get(latLngList.size() - 1).latitude).append(",").append(latLngList.get(latLngList.size() - 1).longitude);
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if (latLngList.size() > 2) {
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urlBuilder.append("&waypoints=");
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for (int i = 1; i < latLngList.size() - 1; i++) {
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urlBuilder.append("via:").append(latLngList.get(i).latitude).append(",").append(latLngList.get(i).longitude);
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if (i < latLngList.size() - 2) {
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urlBuilder.append("|");
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}
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}
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}
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urlBuilder.append("&mode=driving");
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urlBuilder.append("&key=").append(getString(R.string.maps_api_key));
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URL url = new URL(urlBuilder.toString());
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HttpURLConnection conn = (HttpURLConnection) url.openConnection();
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conn.setRequestMethod("GET");
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InputStreamReader isr = new InputStreamReader(conn.getInputStream());
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BufferedReader br = new BufferedReader(isr);
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StringBuilder jsonResults = new StringBuilder();
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String line;
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while ((line = br.readLine()) != null) {
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jsonResults.append(line);
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}
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br.close();
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Log.d("Maps", "API response: " + jsonResults.toString());
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JsonObject jsonObject = new Gson().fromJson(jsonResults.toString(), JsonObject.class);
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JsonArray routes = jsonObject.getAsJsonArray("routes");
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if (routes.size() > 0) {
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JsonObject route = routes.get(0).getAsJsonObject();
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JsonObject polyline = route.getAsJsonObject("overview_polyline");
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String encodedString = polyline.get("points").getAsString();
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List<LatLng> points = decodePoly(encodedString);
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Log.d("Maps", "Polyline points: " + points);
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runOnUiThread(() -> mMap.addPolyline(new PolylineOptions().addAll(points).width(5).color(Color.BLUE)));
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} else {
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JsonPrimitive errorMessage = jsonObject.getAsJsonPrimitive("error_message");
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if (errorMessage != null) {
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Log.e("Maps", "Error: " + errorMessage.getAsString());
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} else {
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Log.e("Maps", "No routes found and no error message provided");
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}
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}
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} catch (Exception e) {
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Log.e("Maps", "Error drawing route", e);
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}
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}).start();
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}
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private List<LatLng> decodePoly(String encoded) {
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List<LatLng> poly = new ArrayList<>();
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int index = 0, len = encoded.length();
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int lat = 0, lng = 0;
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while (index < len) {
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int b, shift = 0, result = 0;
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do {
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b = encoded.charAt(index++) - 63;
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result |= (b & 0x1f) << shift;
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shift += 5;
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} while (b >= 0x20);
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int dlat = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));
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lat += dlat;
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shift = 0;
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result = 0;
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do {
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b = encoded.charAt(index++) - 63;
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result |= (b & 0x1f) << shift;
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shift += 5;
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} while (b >= 0x20);
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int dlng = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));
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lng += dlng;
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LatLng p = new LatLng((((double) lat / 1E5)), (((double) lng / 1E5)));
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poly.add(p);
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}
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return poly;
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}
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private float getHueFromColor(int color) {
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float[] hsv = new float[3];
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Color.colorToHSV(color, hsv);
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return hsv[0];
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}
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private void addPinToMap(String locationName, LatLng position, int color) {
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Marker marker = mMap.addMarker(new MarkerOptions()
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.position(position)
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.title(locationName)
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.icon(BitmapDescriptorFactory.defaultMarker(getHueFromColor(color)))
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);
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if (marker != null) {
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marker.setTag(locationName);
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}
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}
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private void addLocationToScrollView(String locationName, int color) {
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runOnUiThread(() -> {
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try {
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TextView textView = new TextView(this);
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textView.setText(locationName);
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textView.setTextSize(20);
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textView.setPadding(16, 16, 16, 16);
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textView.setBackgroundColor(color);
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View underline = new View(this);
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LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
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LinearLayout.LayoutParams.MATCH_PARENT,
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3
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);
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params.setMargins(0, 0, 0, 16);
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underline.setLayoutParams(params);
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underline.setBackgroundColor(Color.BLACK);
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locationsName.addView(textView);
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locationsName.addView(underline);
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} catch (Exception e) {
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Log.e("Maps", "Error adding location to scroll view", e);
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}
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});
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}
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private int getNextColor() {
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int color = COLORS[colorIndex];
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colorIndex = (colorIndex + 1) % COLORS.length;
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return color;
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}
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@Override
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public void onClick(View view) {
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if (view.getId() == R.id.BackMain) {
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finish();
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}
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}
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@Override
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public boolean onMarkerClick(Marker marker) {
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String locationName = (String) marker.getTag();
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if (locationName != null) {
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marker.setTitle(locationName);
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marker.showInfoWindow();
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}
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return false;
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}
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}
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