Add functionality to the Settings 'Automatically close BiTSy after 3 minutes of inactivity', the user selection is saved into the SharedPreferences and if it happens to be true then the app will close when that time amount of inactivity happens.

app/src/main/java/cy/agorise/bitsybitshareswallet/activities/MainActivity.kt

@@ -1,7 +1,7 @@
 package cy.agorise.bitsybitshareswallet.activities
 
-import android.content.res.Resources
 import android.os.Bundle
+import android.os.Handler
 import android.preference.PreferenceManager
 import android.view.MenuItem
 import androidx.navigation.findNavController
@@ -21,6 +21,10 @@ class MainActivity : ConnectedActivity() {
 
     private lateinit var appBarConfiguration : AppBarConfiguration
 
+    // Handler and Runnable used to add a timer for user inaction and close the app if enough time has passed
+    private lateinit var mHandler: Handler
+    private lateinit var mRunnable: Runnable
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         // Sets the theme to night mode if it has been selected by the user
@@ -42,13 +46,33 @@ class MainActivity : ConnectedActivity() {
 
         setupActionBarWithNavController(navController, appBarConfiguration)
 
-        navController.addOnDestinationChangedListener { _, destination, _ ->
-            val dest: String = try {
-                resources.getResourceName(destination.id)
-            } catch (e: Resources.NotFoundException) {
-                Integer.toString(destination.id)
+        mHandler = Handler()
+        mRunnable = Runnable {
+            if (PreferenceManager.getDefaultSharedPreferences(this)
+                    .getBoolean(Constants.KEY_AUTO_CLOSE_ACTIVATED, false))
+                finish()
+            else
+                restartHandler()
         }
+        startHandler()
     }
+
+    override fun onUserInteraction() {
+        super.onUserInteraction()
+        restartHandler()
+    }
+
+    private fun restartHandler() {
+        stopHandler()
+        startHandler()
+    }
+
+    private fun stopHandler() {
+        mHandler.removeCallbacks(mRunnable)
+    }
+
+    private fun startHandler() {
+        mHandler.postDelayed(mRunnable, 3 * 60 * 1000) //for 3 minutes
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {

app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/SettingsFragment.kt

@@ -25,9 +25,23 @@ class SettingsFragment : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
+        initAutoCloseSwitch()
+
         initNightModeSwitch()
     }
 
+    private fun initAutoCloseSwitch() {
+        val autoCloseOn = PreferenceManager.getDefaultSharedPreferences(context)
+            .getBoolean(Constants.KEY_AUTO_CLOSE_ACTIVATED, false)
+
+        switchAutoClose.isChecked = autoCloseOn
+
+        switchAutoClose.setOnCheckedChangeListener { buttonView, isChecked ->
+            PreferenceManager.getDefaultSharedPreferences(buttonView.context).edit()
+                .putBoolean(Constants.KEY_AUTO_CLOSE_ACTIVATED, isChecked).apply()
+        }
+    }
+
     private fun initNightModeSwitch() {
         val nightModeOn = PreferenceManager.getDefaultSharedPreferences(context)
             .getBoolean(Constants.KEY_NIGHT_MODE_ACTIVATED, false)

app/src/main/java/cy/agorise/bitsybitshareswallet/utils/Constants.kt

@@ -44,16 +44,15 @@ object Constants {
      */
     const val MISSING_PAYMENT_CHECK_PERIOD: Long = 5000
 
-    /**
-     * Time period to wait to send a request to the NetworkService, and retry in case it is still not connected
-     */
+    /** Time period to wait to send a request to the NetworkService, and retry in case it is still not connected */
     const val NETWORK_SERVICE_RETRY_PERIOD: Long = 5000
 
-    /**
-     * Key used to store the number of operations that the currently selected account had last time we checked
-     */
+    /**  Key used to store the number of operations that the currently selected account had last time we checked */
     const val KEY_ACCOUNT_OPERATION_COUNT = "key_account_operation_count"
 
+    /** Key used to store the auto close app if no user activity setting into the shared preferences */
+    const val KEY_AUTO_CLOSE_ACTIVATED = "key_auto_close_activated"
+
     /** Key used to store the night mode setting into the shared preferences */
     const val KEY_NIGHT_MODE_ACTIVATED = "key_night_mode_activated"
 }

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

@@ -19,7 +19,7 @@
         android:textStyle="bold"/>
 
     <Switch
-        android:id="@+id/switchCloseTimer"
+        android:id="@+id/switchAutoClose"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="@dimen/spacing_different_topic"