Don't crash if keyboard controls are invoked too soon

Fixes fyne-io#1896
andydotxyz · Feb 7, 2021 · 0df584d · 0df584d
1 parent bed0e15
commit 0df584d
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/internal/driver/gomobile/keyboard.go b/internal/driver/gomobile/keyboard.go
@@ -8,12 +8,21 @@ import (
 
 func showVirtualKeyboard(keyboard mobile.KeyboardType) {
 	if driver, ok := fyne.CurrentApp().Driver().(*mobileDriver); ok {
+		if driver.app == nil { // not yet running
+			fyne.LogError("Cannot show keyboard before app is running", nil)
+			return
+		}
+
 		driver.app.ShowVirtualKeyboard(app.KeyboardType(keyboard))
 	}
 }
 
 func hideVirtualKeyboard() {
 	if driver, ok := fyne.CurrentApp().Driver().(*mobileDriver); ok {
+		if driver.app == nil { // not yet running
+			return
+		}
+
 		driver.app.HideVirtualKeyboard()
 	}
 }