Adds placeholders for home, back, and other input events

shell.go

@@ -2,6 +2,7 @@ package adb
 
 import (
 	"context"
+	"time"
 )
 
 // Shell allows you to run an arbitrary shell command against a device.
@@ -13,3 +14,32 @@ import (
 func (d Device) Shell(ctx context.Context, command string) (stdout string, stderr string, ErrCode int, err error) {
 	return "", "", 1, nil
 }
+
+func (d Device) Tap(ctx context.Context, X, Y int) error {
+	return nil
+}
+
+func (d Device) Swipe(ctx context.Context, X1, Y1, X2, Y2 int, duration time.Duration) error {
+	return nil
+}
+
+// Equivalent to pressing the home button
+//
+// Calls `input keyevent KEYCODE_HOME` under the hood
+func (d Device) GoHome(ctx context.Context) error {
+	return nil
+}
+
+//Equivalent to pressing the back button
+//
+// Calls `input keyevent KEYCODE_BACK` under the hood
+func (d Device) GoBack(ctx context.Context) error {
+	return nil
+}
+
+// Equivalent to pushing the app switcher. You probably want to call this twice.
+//
+// Calls `input keyevent KEYCODE_APP_SWITCH` under the hood
+func (d Device) SwitchApp(ctx context.Context) error {
+	return nil
+}