update commons to 2.27.8

app/build.gradle

@@ -37,7 +37,7 @@ android {
 }
 
 dependencies {
-    compile 'com.simplemobiletools:commons:2.26.9'
+    compile 'com.simplemobiletools:commons:2.27.8'
     compile 'com.davemorrissey.labs:subsampling-scale-image-view:3.6.0'
     compile 'com.theartofdev.edmodo:android-image-cropper:2.4.0'
     compile 'com.bignerdranch.android:recyclerview-multiselect:0.2'

app/src/main/kotlin/com/simplemobiletools/gallery/activities/EditActivity.kt

@@ -172,7 +172,11 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
 
         try {
             getFileOutputStream(file) {
+                if (it != null) {
                     saveBitmap(file, bitmap, it)
+                } else {
+                    toast(R.string.image_editing_failed)
+                }
             }
         } catch (e: Exception) {
             Log.e(TAG, "Crop compressing failed $path $e")

app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt

@@ -418,6 +418,12 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
                 try {
                     val bitmap = BitmapFactory.decodeFile(currPath)
                     getFileOutputStream(tmpFile) {
+                        if (it == null) {
+                            toast(R.string.unknown_error_occurred)
+                            deleteFile(tmpFile) {}
+                            return@getFileOutputStream
+                        }
+
                         saveFile(tmpFile, bitmap, it)
                         if (needsStupidWritePermissions(selectedFile.absolutePath)) {
                             deleteFile(selectedFile) {}