菊池 #38
149
app/src/main/java/com/example/oplogy/MapsFragment.java
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149
app/src/main/java/com/example/oplogy/MapsFragment.java
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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.ImageView;
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import android.widget.LinearLayout;
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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.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 java.util.ArrayList;
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import java.util.List;
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import java.util.Random;
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public class MapsFragment extends FragmentActivity implements OnMapReadyCallback, View.OnClickListener {
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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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Random random = new Random();
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static 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 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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@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); // locationsNameの初期化
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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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String locationData = "35.09050879999539,136.87845379325216/35.091950716938875,136.8826598363985/35.09273643623442,136.88154941341296";
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String nameData = "名古屋港水族館/2番目/3番目";
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loadMapAndNames(locationData, nameData);
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}
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private void loadMapAndNames(String locationData, String nameData) {
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try {
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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 = colors[random.nextInt(colors.length)];
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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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mMap.addPolyline(new PolylineOptions().addAll(latLngList).width(5).color(Color.BLUE));
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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 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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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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}
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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 to ScrollView", e);
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}
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});
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}
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@Override
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public void onClick(View v) {
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if (v.getId() == R.id.BackMain) {
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finish();
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}
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}
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}
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54
app/src/main/res/layout/fragment_maps.xml
Normal file
54
app/src/main/res/layout/fragment_maps.xml
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@ -0,0 +1,54 @@
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:weightSum="10"
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android:orientation="vertical"
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tools:context=".MapsFragment">
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:gravity="center"
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android:orientation="horizontal"
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android:weightSum="10">
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<ImageView
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android:id="@+id/BackMain"
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android:layout_width="40dp"
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android:layout_height="90dp"
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android:src="@drawable/back_button"
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android:layout_weight="5" />
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<TextView
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android:id="@+id/date"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_weight="4"
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android:hint="今日の日付"
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android:textSize="40dp" />
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</LinearLayout>
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<fragment
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android:id="@+id/map"
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android:name="com.google.android.gms.maps.SupportMapFragment"
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android:layout_width="match_parent"
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android:layout_height="0dp"
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android:layout_weight="6"
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tools:context=".Maps" />
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<ScrollView
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android:id="@+id/scrollable"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_weight="3">
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<LinearLayout
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android:id="@+id/locationsName"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:orientation="vertical" />
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</ScrollView>
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</LinearLayout>
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