Disconnect and exit app on Back Pressed

Author: GrazianoCapelli

app/build.gradle

@@ -7,7 +7,7 @@ android {
         minSdkVersion 14
         targetSdkVersion 25
         versionCode 1
-        versionName "0.5b_20180325"
+        versionName "1.0.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {

app/src/main/java/eu/basicairdata/airdatabridge/AirDataBridgeActivity.java

@@ -96,6 +96,8 @@ public void onPageSelected(int position) {
         tabLayout.setTabMode(TabLayout.MODE_FIXED);
         tabLayout.setupWithViewPager(mViewPager);
 
+        EventBus.getDefault().post(EventBusMSG.START_APP);
+
         /*
         FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
         fab.setOnClickListener(new View.OnClickListener() {
@@ -139,6 +141,13 @@ public void onPause() {
     }
 
 
+    @Override
+    public void onBackPressed() {
+        //moveTaskToBack(true);
+        EventBus.getDefault().post(EventBusMSG.EXIT_APP);
+        finish();
+    }
+
 
     @Override
     protected void onDestroy(){

app/src/main/java/eu/basicairdata/airdatabridge/AirDataBridgeApplication.java

@@ -71,6 +71,7 @@ public class AirDataBridgeApplication extends Application {
 
     boolean StoragePermissionChecked = false;
     boolean StoragePermissionGranted = false;
+    boolean BluetoothAutoReconnect = true;                                  // Auto reconnect if disconnected
 
     boolean StatusViewEnabled = false;                                      // If true, the status updates are enabled
     boolean ForceRemoteLST = true;                                          // If true, ask $FMQ,LST also if recording
@@ -120,6 +121,14 @@ public void setStoragePermissionGranted(boolean storagePermissionGranted) {
         StoragePermissionGranted = storagePermissionGranted;
     }
 
+    public boolean isBluetoothAutoReconnect() {
+        return BluetoothAutoReconnect;
+    }
+
+    public void setBluetoothAutoReconnect(boolean bluetoothAutoReconnect) {
+        BluetoothAutoReconnect = bluetoothAutoReconnect;
+    }
+
     public boolean isStatusViewEnabled() {
         return StatusViewEnabled;
     }
@@ -601,8 +610,8 @@ public void onBluetoothHelperConnectionStateChanged(BluetoothHelper bluetoothhel
                     if (isConnected) {
                         BluetoothConnectionStatus = EventBusMSG.BLUETOOTH_CONNECTED;
                         EventBus.getDefault().post(EventBusMSG.BLUETOOTH_CONNECTED);
-                        mBluetooth.SendMessage("$HBQ,AirDataBridge,0.4");
-                        mBluetooth.SendMessage("$HBQ,AirDataBridge,0.4");
+                        mBluetooth.SendMessage("$HBQ,AirDataBridge," + BuildConfig.VERSION_NAME);
+                        mBluetooth.SendMessage("$HBQ,AirDataBridge," + BuildConfig.VERSION_NAME);
                         startCommTimeout();
                         Log.w("myApp", "[#] AirDataBridgeApplication.java - BLUETOOTH_CONNECTED");
                         // Do something
@@ -613,7 +622,7 @@ public void onBluetoothHelperConnectionStateChanged(BluetoothHelper bluetoothhel
                         //}
                         //Log.w("myApp", "[#] AirDataBridgeApplication.java - EventBusMSG.REMOTE_UPDATE_LOGLIST");
                         // Auto reconnect
-                        if (BluetoothConnectionStatus != EventBusMSG.BLUETOOTH_OFF) {
+                        if ((BluetoothConnectionStatus != EventBusMSG.BLUETOOTH_OFF) && (BluetoothAutoReconnect)) {
                             BluetoothConnectionStatus = EventBusMSG.BLUETOOTH_CONNECTING;
                             EventBus.getDefault().post(EventBusMSG.BLUETOOTH_CONNECTING);
                             mBluetooth.Connect(BluetoothDeviceName);
@@ -655,6 +664,23 @@ public void onTerminate() {
     @Subscribe
     public void onEvent(Short msg) {
         switch (msg) {
+            case EventBusMSG.START_APP:
+                if (!BluetoothAutoReconnect) {
+                    BluetoothAutoReconnect = true;
+                    if (mBluetoothAdapter.isEnabled()) {
+                        BluetoothConnectionStatus = EventBusMSG.BLUETOOTH_CONNECTING;
+                        EventBus.getDefault().post(EventBusMSG.BLUETOOTH_CONNECTING);
+                        mBluetooth.Connect(BluetoothDeviceName);
+                    } else {
+                        BluetoothConnectionStatus = EventBusMSG.BLUETOOTH_OFF;
+                        EventBus.getDefault().post(EventBusMSG.BLUETOOTH_OFF);
+                    }
+                }
+                break;
+            case EventBusMSG.EXIT_APP:
+                BluetoothAutoReconnect = false;
+                mBluetooth.Disconnect();
+                break;
             case EventBusMSG.STORAGE_PERMISSION_GRANTED:
                 StoragePermissionGranted = true;
                 // Create folder if not exists

app/src/main/java/eu/basicairdata/airdatabridge/EventBusMSG.java

@@ -66,4 +66,7 @@ public class EventBusMSG {
     static final short UPDATE_SETTINGS                  =  201;  // Signal to update (read) preferences
 
     static final short ERROR_FILE_ALREADY_EXISTS        =  210;  // You are trying to create a file that already exists
+
+    static final short START_APP                        =  254;  // Start the app
+    static final short EXIT_APP                         =  255;  // Close the app
 }