adding a null check to listFiles()

tibbi · tibbi · commit 248595cde220 · 2017-04-17T23:08:50.000+02:00
diff --git a/app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt b/app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt
@@ -146,9 +146,9 @@ class ItemsFragment : android.support.v4.app.Fragment(), ItemsAdapter.ItemOperat
 
         if (file.isDirectory) {
             return if (mShowHidden) {
-                file.listFiles().size
+                file.listFiles()?.size ?: 0
             } else {
-                file.listFiles { file -> !file.isHidden }.size
+                file.listFiles { file -> !file.isHidden }?.size ?: 0
             }
         }
         return 0

Original file line number	Diff line number	Diff line change
`@@ -146,9 +146,9 @@ class ItemsFragment : android.support.v4.app.Fragment(), ItemsAdapter.ItemOperat`
`146`	`146`
`147`	`147`	`if (file.isDirectory) {`
`148`	`148`	`return if (mShowHidden) {`
`149`		`- file.listFiles().size`
	`149`	`+ file.listFiles()?.size ?: 0`
`150`	`150`	`} else {`
`151`		`- file.listFiles { file -> !file.isHidden }.size`
	`151`	`+ file.listFiles { file -> !file.isHidden }?.size ?: 0`
`152`	`152`	`}`
`153`	`153`	`}`
`154`	`154`	`return 0`