fix memory leaks at media scanning + some rename improvements

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         propMinSdkVersion = 16
         propTargetSdkVersion = propCompileSdkVersion
         propVersionCode = 1
-        propVersionName = '3.16.2'
+        propVersionName = '3.16.9'
         kotlin_version = '1.2.30'
         support_libs = '27.1.0'
     }

commons/src/main/kotlin/com/simplemobiletools/commons/dialogs/RenameItemDialog.kt

@@ -67,9 +67,7 @@ class RenameItemDialog(val activity: BaseSimpleActivity, val path: String, val c
                             updatedPaths.add(newPath)
                             activity.renameFile(path, newPath) {
                                 if (it) {
-                                    activity.scanPaths(updatedPaths) {
-                                        callback(newPath)
-                                    }
+                                    callback(newPath)
                                     dismiss()
                                 } else {
                                     activity.toast(R.string.unknown_error_occurred)

commons/src/main/kotlin/com/simplemobiletools/commons/extensions/Context-storage.kt

@@ -230,11 +230,27 @@ fun Context.scanPaths(paths: ArrayList<String>, callback: (() -> Unit)? = null)
 
 fun Context.rescanPaths(paths: ArrayList<String>, callback: (() -> Unit)? = null) {
     var cnt = paths.size
-    MediaScannerConnection.scanFile(applicationContext, paths.toTypedArray(), null, { s, uri ->
-        if (--cnt == 0) {
-            callback?.invoke()
+    var connection: MediaScannerConnection? = null
+
+    val connectionClient = object : MediaScannerConnection.MediaScannerConnectionClient {
+        override fun onMediaScannerConnected() {
+            paths.forEach {
+                if (connection?.isConnected == true) {
+                    connection?.scanFile(it, "")
+                }
+            }
         }
-    })
+
+        override fun onScanCompleted(path: String?, uri: Uri?) {
+            if (--cnt == 0) {
+                connection?.disconnect()
+                callback?.invoke()
+            }
+        }
+    }
+
+    connection = MediaScannerConnection(this, connectionClient)
+    connection.connect()
 }
 
 fun getPaths(file: File): ArrayList<String> {
@@ -289,7 +305,7 @@ fun Context.updateInMediaStore(oldPath: String, newPath: String) {
 
 fun Context.updateLastModified(path: String, lastModified: Long) {
     val values = ContentValues().apply {
-        put(MediaStore.MediaColumns.DATE_MODIFIED, lastModified)
+        put(MediaStore.MediaColumns.DATE_MODIFIED, lastModified / 1000)
     }
     File(path).setLastModified(lastModified)
     val uri = getFileUri(path)