Fix download button.

app/src/main/java/chat/rocket/android/chatroom/adapter/ImageAttachmentViewHolder.kt

@@ -30,7 +30,7 @@ class ImageAttachmentViewHolder(
             file_name.text = data.attachmentTitle
             image_attachment.setOnClickListener {
                 ImageHelper.openImage(
-                    it.context,
+                    context,
                     data.attachmentUrl,
                     data.attachmentTitle.toString()
                 )

app/src/main/java/chat/rocket/android/files/ui/FilesFragment.kt

@@ -94,17 +94,13 @@ class FilesFragment : Fragment(), FilesView {
 
     override fun playMedia(url: String) {
         ui {
-            activity?.let {
-                PlayerActivity.play(it, url)
-            }
+            PlayerActivity.play(it, url)
         }
     }
 
     override fun openImage(url: String, name: String) {
         ui {
-            activity?.let {
-                ImageHelper.openImage(it, url, name)
-            }
+            ImageHelper.openImage(root_layout.context, url, name)
         }
     }
 

app/src/main/java/chat/rocket/android/helper/ImageHelper.kt

@@ -53,7 +53,6 @@ object ImageHelper {
         )
         val toolbar = Toolbar(context).also {
             it.inflateMenu(R.menu.image_actions)
-            it.overflowIcon?.setTint(Color.WHITE)
             it.setOnMenuItemClickListener {
                 return@setOnMenuItemClickListener when (it.itemId) {
                     R.id.action_save_image -> saveImage(context)
@@ -109,7 +108,6 @@ object ImageHelper {
             .hideStatusBar(false)
             .setCustomDraweeControllerBuilder(builder)
             .show()
-
     }
 
     private fun saveImage(context: Context): Boolean {
@@ -166,5 +164,4 @@ object ImageHelper {
             )
         }
     }
-
 }
\ No newline at end of file

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

@@ -2,6 +2,7 @@
 <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/root_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context=".files.ui.FilesFragment">