incorporate androidlib

app/src/main/java/com/geeksville/mesh/android/ContextExtensions.kt

@@ -0,0 +1,20 @@
+package com.geeksville.mesh.android
+
+import android.app.Activity
+import android.content.Context
+import android.view.inputmethod.InputMethodManager
+import android.widget.Toast
+
+/// show a toast
+fun Context.toast(message: CharSequence) =
+    Toast.makeText(this, message, Toast.LENGTH_SHORT).show()
+
+/// Utility function to hide the soft keyboard per stack overflow
+fun Activity.hideKeyboard() {
+    // Check if no view has focus:
+    currentFocus?.let { v ->
+        val imm =
+            getSystemService(Context.INPUT_METHOD_SERVICE) as? InputMethodManager
+        imm?.hideSoftInputFromWindow(v.windowToken, 0)
+    }
+}