child_guard/app/src/main/java/com/example/childguard/TestService.java

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package com.example.childguard;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
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import android.app.Service;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
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import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
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import android.content.pm.PackageManager;
import android.os.Handler;
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import android.os.IBinder;
import android.os.VibrationEffect;
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import android.os.Vibrator;
import android.preference.PreferenceManager;
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import android.util.Log;
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import androidx.annotation.Nullable;
import androidx.core.app.ActivityCompat;
import androidx.core.app.NotificationCompat;
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import androidx.core.app.NotificationManagerCompat;
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import com.google.firebase.firestore.DocumentReference;
import com.google.firebase.firestore.FirebaseFirestore;
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public class TestService extends Service {
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private final Handler handler = new Handler();
private Runnable notificationRunnable;
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public static class NotificationContent {
private final String title;
private final String description;
public NotificationContent(String title, String description) {
this.title = title;
this.description = description;
}
public String getTitle() {
return title;
}
public String getDescription() {
return description;
}
}
FirebaseFirestore db;
DocumentReference mDocRef;
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public static final String TAG = "InspirationQuote";
private static final String CHANNEL_ID = "child_guard_emergency";
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private static final int REQUEST_CODE = 100;
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private static final NotificationContent REPORTED_NOTIFICATION =
new NotificationContent("子供の置き去りをしていませんか?", "第三者からの通報が行われました。");
private static final NotificationContent BLUETOOTH_NOTIFICATION =
new NotificationContent("子供の置き去りをしていませんか?", "Bluetoothと車の切断から5分が経過しました");
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private String userId = null;
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@Override
public int onStartCommand(Intent intent, int flags, int startId) {
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this.userId = getSharedPreferences("app_situation", MODE_PRIVATE).getString("ID", null);
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if (this.userId == null) {
Log.d("onResume", "ID not initialized.");
return flags; // IDが初期化されていない場合は何もしない
}
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setSnapshotListener(FirebaseFirestore.getInstance().document("status/" + this.userId));
if (isNotBluetoothGranted()) return flags;
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registerReceiver(receiver);
return flags;
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}
@Override
public void onCreate() {
super.onCreate();
if (!isNotificationChannelCreated()) {
createNotificationChannel();
}
}
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/**
* 通知チャネルが作成されているか確認
* @return 通知チャンネルの有無 true: 作成済み false: 未作成
*/
private boolean isNotificationChannelCreated() {
NotificationManager notificationManager = getSystemService(NotificationManager.class);
return notificationManager.getNotificationChannel(CHANNEL_ID) != null;
}
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/**
* 通知チャネルの作成
*/
private void createNotificationChannel() {
int importance = NotificationManager.IMPORTANCE_DEFAULT;
NotificationChannel channel = new NotificationChannel(CHANNEL_ID, "通知", importance);
channel.setDescription("第三者により置き去りの通報が行われたときに通知します。");
NotificationManager notificationManager = getSystemService(NotificationManager.class);
notificationManager.createNotificationChannel(channel);
}
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/**
* 通知が許可がされているかどうかを確認
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* @return 通知の許可の有無 true: 許可されていない false: 許可されている
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*/
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private boolean isNotNotificationEnabled() {
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NotificationManagerCompat notificationManagerCompat = NotificationManagerCompat.from(this);
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if (!notificationManagerCompat.areNotificationsEnabled()) {
Log.d(TAG, "通知が許可されていません");
return true;
} else {
Log.d(TAG, "通知が許可されています");
return false;
}
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}
/**
* Bluetoothの権限が許可されているかどうかを確認
* @return Bluetoothの権限の有無 true: 許可されていない false: 許可されている
*/
private boolean isNotBluetoothGranted() {
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
Log.d(TAG, "Bluetoothの権限が許可されていません");
return true;
} else {
Log.d(TAG, "Bluetoothの権限が許可されています");
return false;
}
}
/**
* ブロードキャストレシーバーを登録
* @param receiver ブロードキャストレシーバー
*/
public void registerReceiver(BroadcastReceiver receiver) {
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
intentFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
registerReceiver(receiver, intentFilter);
}
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private void setSnapshotListener(DocumentReference mDocRef) {
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// Initialize the PeriodicTaskManager
// (Assuming it's done elsewhere as it's not shown in the original code)
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// Prepare SharedPreferences
SharedPreferences sharedPreferences = getSharedPreferences("app_situation", MODE_PRIVATE);
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// Add a snapshot listener to the document reference
mDocRef.addSnapshotListener((documentSnapshot, e) -> {
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if (e != null) {
Log.w("nt", "Listen failed.", e);
return;
}
if (documentSnapshot != null && documentSnapshot.exists()) {
Log.d("nt", "イベント開始");
// Handle document snapshot
SharedPreferences.Editor editor = sharedPreferences.edit();
boolean isInCar = sharedPreferences.getBoolean("isInCarPref", false);
boolean newIsInCarState = Boolean.TRUE.equals(documentSnapshot.getBoolean("isInCar"));
editor.putBoolean("isInCarPref", newIsInCarState);
editor.apply();
Log.d("nt", "レスポンスを検知しました1");
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if (isInCar) {
if (Boolean.TRUE.equals(documentSnapshot.getBoolean("isReported"))) {
resetReported();
sendNotification(getApplicationContext(), REPORTED_NOTIFICATION);
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}
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} else {
resetReported();
}
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} else {
Log.d("nt", "Current data: null");
}
});
}
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/**
* 通報フラグをリセットする
*/
public void resetReported() {
db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
DocumentReference isReported = db.collection("status").document(this.userId);
//isReportedをfalseに更新
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isReported.update("isReported", false).addOnSuccessListener(unused ->
Log.d(TAG, "DocumentSnapshot successfully updated!")).addOnFailureListener(e -> Log.w(TAG, "Error updating document", e));
}
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/**
* 通知をタップしたときにアプリを起動するPendingIntentを取得
*
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* @param context コンテキスト
* @return PendingIntent
*/
private PendingIntent getPendingIntent(Context context) {
Intent intent = new Intent(context, MainActivity.class);
intent.setAction("OPEN_ACTIVITY");
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return PendingIntent.getActivity(context, TestService.REQUEST_CODE, intent, PendingIntent.FLAG_IMMUTABLE);
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}
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/**
* デバイスをバイブレーションさせる
*/
private void vibrateDevice() {
Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
if (vibrator.hasVibrator()) {
vibrator.vibrate(VibrationEffect.createOneShot(2000, VibrationEffect.DEFAULT_AMPLITUDE));
}
}
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/**
* 通知を送信する
* @param context コンテキスト
* @param content NotificationContent 通知内容
*/
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public void sendNotification(Context context, NotificationContent content) {//通知を行うメソッド
// 権限の保有を確認
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if (isNotNotificationEnabled()) return;
vibrateDevice();
NotificationCompat.Builder builder = new NotificationCompat.Builder(context, CHANNEL_ID)
.setSmallIcon(android.R.drawable.ic_menu_info_details)
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.setContentTitle(content.getTitle())//通知のタイトル
.setContentText(content.getDescription())//通知の内容
.setContentIntent(getPendingIntent(context))//通知をタップするとActivityへ移動する
.setAutoCancel(true)//通知をタップすると削除する
.setPriority(NotificationCompat.PRIORITY_HIGH) // プライオリティを高く設定
.setVisibility(NotificationCompat.VISIBILITY_PUBLIC); // ロック画面に表示する
NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
notificationManager.notify(R.string.app_name, builder.build());//通知の表示
}
private final BroadcastReceiver receiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// 処理対象か確認 ----------------------------------------
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (device == null) {
Log.d("BT", "No device found");
return;
}
String deviceHardwareAddress = device.getAddress(); // MAC address
if (deviceHardwareAddress == null) {
Log.d("BT", "No device address found");
return;
}
String registeredId = PreferenceManager.getDefaultSharedPreferences(getApplicationContext()).getString("bluetooth_device_id", null);
if (registeredId == null) {
Log.d("BT_Judge", "No registered device");
return;
}
if (!registeredId.equals(deviceHardwareAddress)) {
Log.d("BT_Judge", "Not registered device");
return;
}
// -----------------------------------------------------
String action = intent.getAction(); // may need to chain this to a recognizing function
boolean isInCar = getSharedPreferences("Bluetooth_situation", MODE_PRIVATE).getBoolean("isInCarPref", false);
if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action) && !isInCar) {
// bluetoothが切断されたときに乗車状態のとき
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notificationRunnable = () -> {
// 5分経過した時点でも車に乗っていない場合
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sendNotification(context, BLUETOOTH_NOTIFICATION);
};
handler.postDelayed(notificationRunnable, 5 * 60 * 1000); // 5分をミリ秒に変換
} else if (BluetoothDevice.ACTION_ACL_CONNECTED.equals(action)) {
// 再接続された場合、通知をキャンセルする
if (notificationRunnable != null) {
handler.removeCallbacks(notificationRunnable);
notificationRunnable = null;
Log.d("BT", "Notification canceled due to reconnection");
}
}
}
};
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@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
}