oplogy/app/src/main/java/com/example/oplogy/Maps.java
oKikuti bc3c802e03 菊池
複数の日を入れれるように書き直しました。
大きさは今後直せますが、取り敢えず今い作ったコードでちゃんと動くのか試してください。
大きさは変わり次第報告します
2024-07-08 15:32:50 +09:00

342 lines
13 KiB
Java

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