Oreo

app/src/main/AndroidManifest.xml

@@ -34,18 +34,21 @@
         </service>
 
 
-
-        <service
-            android:name=".RestartService"
-            android:enabled="true"
-            android:exported="true" />
-        <receiver android:name=".AlarmReceiver"/>
         <receiver android:name=".RebootReceiver">
             <intent-filter>
                 <action android:name="android.intent.action.BOOT_COMPLETED"/>
+                <action android:name="android.intent.action.QUICKBOOT_POWERON" />
+                <action android:name="android.intent.action.SCREEN_ON" />
             </intent-filter>
         </receiver>
 
+        <service
+            android:name=".NotificationListenerMusic"
+            android:permission="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE">
+            <intent-filter>
+                <action android:name="android.service.notification.NotificationListenerService" />
+            </intent-filter>
+        </service>
 
 
     </application>

app/src/main/java/com/flywithu/carnav/AlarmReceiver.java

@@ -1,21 +0,0 @@
-package com.flywithu.carnav;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.os.Build;
-
-public class AlarmReceiver extends BroadcastReceiver{
-
-    @Override
-    public void onReceive(Context context, Intent intent) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            Intent in = new Intent(context, RestartService.class);
-            context.startForegroundService(in);
-        } else {
-            Intent in = new Intent(context, RealService.class);
-            context.startService(in);
-        }
-    }
-
-}

app/src/main/java/com/flywithu/carnav/MainActivity.java

@@ -8,15 +8,18 @@ import android.content.IntentFilter;
 import android.hardware.usb.UsbDeviceConnection;
 import android.hardware.usb.UsbManager;
 import android.os.Bundle;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.NotificationManagerCompat;
 
 import com.hoho.android.usbserial.driver.UsbSerialDriver;
 import com.hoho.android.usbserial.driver.UsbSerialPort;
 import com.hoho.android.usbserial.driver.UsbSerialProber;
 
 import java.util.List;
+import java.util.Set;
 
 public class MainActivity extends AppCompatActivity {
 
@@ -41,12 +44,41 @@ public class MainActivity extends AppCompatActivity {
 
     }
 
+
+    private boolean isNotiPermissionAllowed() {
+        Set<String> notiListenerSet = NotificationManagerCompat.getEnabledListenerPackages(this);
+        String myPackageName = getPackageName();
+
+        for (String packageName : notiListenerSet) {
+            if (packageName == null) {
+                continue;
+            }
+            if (packageName.equals(myPackageName)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
 
+        boolean isPermissionAllowed = isNotiPermissionAllowed();
+
+        if (!isPermissionAllowed) {
+            Intent intent = new Intent("android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS");
+            startActivity(intent);
+        } else {
+            ((TextView) findViewById(R.id.textViewNotificationStatus)).setText((isNotiPermissionAllowed()) ? "OK" : "NO");
+        }
+
+
+
         UsbManager manager = (UsbManager) getSystemService(Context.USB_SERVICE);
         List<UsbSerialDriver> availableDrivers = UsbSerialProber.getDefaultProber().findAllDrivers(manager);
         if (!availableDrivers.isEmpty()) {
@@ -99,11 +131,9 @@ public class MainActivity extends AppCompatActivity {
                         UsbSerialPort sPort = null;
                         sPort = driver.getPorts().get(0);
                         sPort.open(connection);
-                        Toast.makeText(getApplicationContext(), "Serial Count:" + String.valueOf(driver.getPorts().size()), Toast.LENGTH_LONG).show();
+                        Toast.makeText(getApplicationContext(), "Serial Count:" + driver.getPorts().size(), Toast.LENGTH_LONG).show();
 
                         sPort.close();
-                        sPort = null;
-
 
                         goService();
                     }

app/src/main/java/com/flywithu/carnav/MusicTitle.java

@@ -43,7 +43,7 @@ public class MusicTitle {
     }
 
     public int getTotal() {
-        return 100;
+        return (total > 0) ? this.total : 100;
     }
 
     //public void setTotal(int total) {
@@ -54,11 +54,13 @@ public class MusicTitle {
         return position;
     }
 
-    public void setPosition(int position) {
+    public void setTotal(int total) {
-        this.position = position;
+        this.total = total;
     }
 
-
+    public void setPosition(long position) {
+        this.position = (int) position;
+    }
 
     public String getArtist() {
         if(artist == null)

app/src/main/java/com/flywithu/carnav/NotificationListenerMusic.java

@@ -0,0 +1,143 @@
+package com.flywithu.carnav;
+
+import android.annotation.TargetApi;
+import android.app.Notification;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.media.MediaMetadata;
+import android.media.session.MediaController;
+import android.media.session.MediaSession;
+import android.media.session.MediaSessionManager;
+import android.media.session.PlaybackState;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.service.notification.NotificationListenerService;
+import android.service.notification.StatusBarNotification;
+import android.util.Log;
+
+import androidx.annotation.Nullable;
+
+import java.util.Arrays;
+import java.util.List;
+
+@TargetApi(21)
+public class NotificationListenerMusic extends NotificationListenerService {
+    String[] musicAppFilter = {"com.iloen.melon", "skplanet.musicmate"};
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        ComponentName componentName = new ComponentName(this, getClass());
+        MediaSessionManager manager = (MediaSessionManager) this.getSystemService(Context.MEDIA_SESSION_SERVICE);
+
+        manager.addOnActiveSessionsChangedListener(new MediaSessionManager.OnActiveSessionsChangedListener() {
+            @Override
+            public void onActiveSessionsChanged(@Nullable List<MediaController> controllers) {
+                for (MediaController controller : controllers) {
+                    if (controllers != null) {
+                        try {
+
+                            controller.registerCallback(new MediaController.Callback() {
+                                MusicTitle currentSong = new MusicTitle();
+
+                                private Intent getMusicIntent() {
+                                    Intent music = new Intent("com.flywithu.carnav.metachanged");
+                                    music.putExtra("artist", currentSong.getArtist());
+                                    music.putExtra("album", currentSong.getAlbum());
+                                    music.putExtra("track", currentSong.getTrack());
+                                    music.putExtra("playstate", currentSong.isRunning());
+                                    music.putExtra("position", currentSong.getPosition());
+                                    music.putExtra("total", currentSong.getTotal());
+
+                                    return music;
+                                }
+
+                                @Override
+                                public void onQueueChanged(List<MediaSession.QueueItem> queue) {
+                                    currentSong.setTotal(queue.size());
+                                }
+
+                                @Override
+                                public void onPlaybackStateChanged(@Nullable PlaybackState state) {
+                                    super.onPlaybackStateChanged(state);
+                                    currentSong.setRunning(state.getState() == PlaybackState.STATE_PLAYING);
+                                    currentSong.setPosition(state.getActiveQueueItemId());
+                                    Log.d("NotificationMusic", "Playback");
+                                    if (currentSong.getAlbum() != null) {
+                                        sendBroadcast(getMusicIntent());
+                                    }
+                                }
+
+                                @Override
+                                public void onMetadataChanged(MediaMetadata metadata) {
+                                    super.onMetadataChanged(metadata);
+                                    currentSong.setArtist(metadata.getString(MediaMetadata.METADATA_KEY_ARTIST));
+                                    currentSong.setTrack(metadata.getString(MediaMetadata.METADATA_KEY_TITLE));
+                                    currentSong.setAlbum(metadata.getString(MediaMetadata.METADATA_KEY_ALBUM));
+
+
+                                    sendBroadcast(getMusicIntent());
+                                }
+                            });
+
+                        } catch (Exception e) {
+                            e.printStackTrace();
+                        }
+                    }
+                }
+            }
+        }, componentName);
+
+        return super.onBind(intent);
+    }
+
+
+    private void checkMusicStatus() {
+        StatusBarNotification[] activeNotifications = getActiveNotifications();
+        for (StatusBarNotification noti : activeNotifications) {
+            if (Arrays.asList(musicAppFilter).contains(noti.getPackageName())) {
+                Notification mytest = noti.getNotification();
+
+                Bundle extras = noti.getNotification().extras;
+
+
+                for (String a : extras.keySet()) {
+                    Object value = extras.get(a);
+                    if (value instanceof Boolean) {
+                        Log.d("NotificationListener", "KEY:" + extras.getBoolean(a));
+                    } else if (value instanceof Integer) {
+                        Log.d("NotificationListener", "KEY:" + extras.getInt(a));
+                    } else {
+                        Log.d("NotificationListener", "KEY:" + a + "/" + extras.getString(a));
+                    }
+
+                }
+//                CharSequence title = extras.getString(Notification.EXTRA_TITLE);
+//                CharSequence artist = extras.getCharSequence(Notification.EXTRA_TEXT);
+//                Log.d("NotificationListener","NAME:"+noti.getPackageName());
+//                Log.i("NotificationListener", "[snowdeer] title:" + title);
+//                Log.i("NotificationListener", "[snowdeer] artist:" + artist);
+
+            }
+
+
+            //   Log.d("TAG",noti.getNotification().getGroup());
+
+        }
+
+
+    }
+
+    @Override
+    public void onNotificationPosted(StatusBarNotification sbn) {
+        checkMusicStatus();
+
+    }
+
+    @Override
+    public void onNotificationRemoved(StatusBarNotification sbn) {
+        checkMusicStatus();
+    }
+
+
+}

app/src/main/java/com/flywithu/carnav/RealService.java

@@ -1,7 +1,9 @@
 package com.flywithu.carnav;
 
-import android.app.AlarmManager;
 import android.app.Application;
+import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.app.Service;
 import android.content.BroadcastReceiver;
@@ -10,12 +12,15 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.hardware.usb.UsbDeviceConnection;
 import android.hardware.usb.UsbManager;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.util.Log;
 import android.widget.Toast;
 
+import androidx.core.app.NotificationCompat;
+
 import com.hoho.android.usbserial.driver.UsbSerialDriver;
 import com.hoho.android.usbserial.driver.UsbSerialPort;
 import com.hoho.android.usbserial.driver.UsbSerialProber;
@@ -24,7 +29,6 @@ import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.nio.charset.Charset;
 import java.text.SimpleDateFormat;
-import java.util.Calendar;
 import java.util.Date;
 import java.util.List;
 
@@ -34,6 +38,7 @@ public class RealService extends Service {
 
     private static UsbSerialPort sPort = null;
     private MusicTitle currentSong = new MusicTitle();
+    Boolean oldmethod = true;
     private BroadcastReceiver mReceiver = new BroadcastReceiver() {
 
         @Override
@@ -50,6 +55,11 @@ public class RealService extends Service {
             }
 
             String action = intent.getAction();
+            if (action.startsWith("com.flywithu")) {
+                oldmethod = false;
+            }
+
+            if (oldmethod == true) {
                 String cmd = intent.getStringExtra("command");
                 Log.v("MUSIC ", action + " / " + cmd);
                 String artist = intent.getStringExtra("artist");
@@ -58,7 +68,6 @@ public class RealService extends Service {
                 Long myPosition = intent.getLongExtra("id", 1);
                 Log.v("MUSIC", artist + ":" + album + ":" + track);
                 boolean isRunning = intent.getBooleanExtra("playstate", false) | intent.getBooleanExtra("playing", false);
-
                 currentSong.setRunning(isRunning);
 
                 if (isRunning == true) {
@@ -67,10 +76,39 @@ public class RealService extends Service {
                     currentSong.setTrack(track);
                     currentSong.setPosition(myPosition.intValue());
                 }
+            } else {
+                currentSong.setAlbum(intent.getStringExtra("album"));
+                currentSong.setArtist(intent.getStringExtra("artist"));
+                currentSong.setTrack(intent.getStringExtra("track"));
+                currentSong.setPosition(0);
+
+
+            }
+
 
         }
     };
 
+    private void setNotification() {
+        NotificationCompat.Builder builder = new NotificationCompat.Builder(this, "default");
+        builder.setSmallIcon(R.mipmap.ic_launcher);
+        builder.setContentTitle(null);
+        builder.setContentText(null);
+        Intent notificationIntent = new Intent(this, MainActivity.class);
+        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);
+        builder.setContentIntent(pendingIntent);
+
+        NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            manager.createNotificationChannel(new NotificationChannel("default", "기본 채널", NotificationManager.IMPORTANCE_NONE));
+        }
+
+        Notification notification = builder.build();
+        startForeground(9, notification);
+
+
+    }
+
     public RealService() {
     }
 
@@ -195,6 +233,9 @@ public class RealService extends Service {
         iF.addAction("com.android.music.playstatechanged");
         iF.addAction("com.android.music.playbackcomplete");
         iF.addAction("com.android.music.queuechanged");
+        iF.addAction("com.flywithu.carnav.metachanged");
+
+
 
 
         registerReceiver(mReceiver, iF);
@@ -243,7 +284,7 @@ public class RealService extends Service {
         }).start();
 
 
-        return START_NOT_STICKY;
+        return START_STICKY;
     }
 
     @Override
@@ -256,7 +297,6 @@ public class RealService extends Service {
             showToast(getApplication(), "stop Error");
         }
         serviceIntent = null;
-        setAlarmTimer();
         Thread.currentThread().interrupt();
         unregisterReceiver(mReceiver);
         showToast(getApplication(), "stop Service");
@@ -266,6 +306,10 @@ public class RealService extends Service {
     @Override
     public void onCreate() {
         super.onCreate();
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            setNotification();
+
+        }
     }
 
     @Override
@@ -288,16 +332,7 @@ public class RealService extends Service {
         });
     }
 
-    protected void setAlarmTimer() {
-        final Calendar c = Calendar.getInstance();
-        c.setTimeInMillis(System.currentTimeMillis());
-        c.add(Calendar.SECOND, 1);
-        Intent intent = new Intent(this, AlarmReceiver.class);
-        PendingIntent sender = PendingIntent.getBroadcast(this, 0, intent, 0);
 
-        AlarmManager mAlarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
-        mAlarmManager.set(AlarmManager.RTC_WAKEUP, c.getTimeInMillis(), sender);
-    }
 
 
 }

app/src/main/java/com/flywithu/carnav/RebootReceiver.java

@@ -10,7 +10,7 @@ public class RebootReceiver extends BroadcastReceiver {
     public void onReceive(Context context, Intent intent) {
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            Intent in = new Intent(context, RestartService.class);
+            Intent in = new Intent(context, RealService.class);
             context.startForegroundService(in);
         } else {
             Intent in = new Intent(context, RealService.class);

app/src/main/java/com/flywithu/carnav/RestartService.java

@@ -1,67 +0,0 @@
-package com.flywithu.carnav;
-
-import android.app.Notification;
-import android.app.NotificationChannel;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
-import android.app.Service;
-import android.content.Intent;
-import android.os.Build;
-import android.os.IBinder;
-
-import androidx.core.app.NotificationCompat;
-
-public class RestartService extends Service {
-    public RestartService() {
-    }
-
-    @Override
-    public void onCreate() {
-        super.onCreate();
-    }
-
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-    }
-
-    @Override
-    public int onStartCommand(Intent intent, int flags, int startId) {
-        NotificationCompat.Builder builder = new NotificationCompat.Builder(this, "default");
-        builder.setSmallIcon(R.mipmap.ic_launcher);
-        builder.setContentTitle(null);
-        builder.setContentText(null);
-        Intent notificationIntent = new Intent(this, MainActivity.class);
-        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);
-        builder.setContentIntent(pendingIntent);
-
-        NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            manager.createNotificationChannel(new NotificationChannel("default", "기본 채널", NotificationManager.IMPORTANCE_NONE));
-        }
-
-        Notification notification = builder.build();
-        startForeground(9, notification);
-
-        /////////////////////////////////////////////////////////////////////
-        Intent in = new Intent(this, RealService.class);
-        startService(in);
-
-        stopForeground(true);
-        stopSelf();
-
-        return START_NOT_STICKY;
-    }
-
-
-    @Override
-    public IBinder onBind(Intent intent) {
-        return null;
-    }
-
-    @Override
-    public boolean onUnbind(Intent intent) {
-        return super.onUnbind(intent);
-    }
-
-}

app/src/main/res/layout/activity_main.xml

@@ -1,18 +1,40 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
         <TextView
+            android:id="@+id/textViewNotification"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-        android:text="Hello World!"
+            android:text="Permission Notification" />
-        app:layout_constraintBottom_toBottomOf="parent"
+
-        app:layout_constraintLeft_toLeftOf="parent"
+        <TextView
-        app:layout_constraintRight_toRightOf="parent"
+            android:id="@+id/textViewNotificationStatus"
-        app:layout_constraintTop_toTopOf="parent" />
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Permission Notification" />
+
+
+        <TextView
+            android:id="@+id/textViewUSB"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Permission USB" />
+
+        <TextView
+            android:id="@+id/textViewUSBStatus"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Permission USB" />
+
+    </LinearLayout>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

build.gradle

@@ -7,7 +7,7 @@ buildscript {
         
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.android.tools.build:gradle:3.5.2'
         
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files