Add hint how to edit sound button

README.md

@@ -1,8 +1,2 @@
 # Android Soundboard
 
-# TODO
-- add hint to use long click for settings
-- handle new button properly
-  - do not create button before Done in dialog was clicked
-  - hide delete in create dialog
-- release

app/src/main/java/de/mlte/soundboard/EditActivity.kt

@@ -53,6 +53,13 @@ class EditActivity : AppCompatActivity() {
 
             startActivityForResult(intent, 123)
         }
+
+        val hintTextView = findViewById<TextView>(R.id.hintTextView)
+        if (isCreate()) {
+            hintTextView.text = "Touch and hold on the newly created sound button to edit any of these settings later."
+        } else {
+            hintTextView.text = "Use the menu if you want to delete this sound button."
+        }
     }
 
     private fun isCreate() = intent.getIntExtra("index", -1) < 0

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

@@ -51,4 +51,13 @@
         android:layout_marginLeft="16dp"
         android:layout_toLeftOf="@id/selectButton"/>
 
+    <TextView
+        android:id="@+id/hintTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignEnd="@+id/selectButton"
+        android:layout_alignStart="@+id/fileTextView"
+        android:layout_below="@+id/selectButton"
+        android:layout_marginTop="23dp"/>
+
 </RelativeLayout>