adding some crashfixes

app/build.gradle

@@ -47,7 +47,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:4.3.31'
+    implementation 'com.simplemobiletools:commons:4.4.1'
     implementation 'com.theartofdev.edmodo:android-image-cropper:2.7.0'
     implementation 'com.android.support:multidex:1.0.3'
     implementation 'it.sephiroth.android.exif:library:1.0.1'

app/src/main/kotlin/com/simplemobiletools/gallery/adapters/DirectoryAdapter.kt

@@ -72,6 +72,10 @@ class DirectoryAdapter(activity: BaseSimpleActivity, var dirs: ArrayList<Directo
     override fun getItemCount() = dirs.size
 
     override fun prepareActionMode(menu: Menu) {
+        if (getSelectedPaths().isEmpty()) {
+            return
+        }
+
         val selectedPaths = getSelectedPaths()
         menu.apply {
             findItem(R.id.cab_rename).isVisible = isOneItemSelected() && !selectedPaths.contains(FAVORITES) && !selectedPaths.contains(RECYCLE_BIN)

app/src/main/kotlin/com/simplemobiletools/gallery/fragments/VideoFragment.kt

@@ -404,8 +404,8 @@ class VideoFragment : ViewPagerFragment(), TextureView.SurfaceTextureListener, S
         }
 
         mView?.video_play_outline?.setImageResource(R.drawable.ic_play)
-        mView!!.video_play_outline.alpha = PLAY_PAUSE_VISIBLE_ALPHA
-        activity!!.window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+        mView?.video_play_outline?.alpha = PLAY_PAUSE_VISIBLE_ALPHA
+        activity?.window?.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
 
     }