Function waitForOnCreate

gapii/client/jdwp_loader.go:61–106

waitForOnCreate waits for android.app.Application.onCreate to be called, and then suspends all threads.

(ctx context.Context, conn *jdwp.Connection)

// waitForOnCreate waits for android.app.Application.onCreate to be called, and
// then suspends all threads.
func waitForOnCreate(ctx context.Context, conn *jdwp.Connection) (*jdwp.EventMethodEntry, error) {
	app, err := conn.GetClassBySignature("Landroid/app/Application;")
	if err != nil {
		return nil, err
	}

	constructor, err := conn.GetClassMethod(app.ClassID(), "<init>", "()V")
	if err != nil {
		return nil, err
	}

	log.I(ctx, "   Waiting for Application.<init>()")
	initEntry, err := conn.WaitForMethodEntry(ctx, app.ClassID(), constructor.ID)
	if err != nil {
		return nil, err
	}

	var entry *jdwp.EventMethodEntry
	err = jdbg.Do(conn, initEntry.Thread, func(j *jdbg.JDbg) error {
		class := j.This().Call("getClass").AsType().(*jdbg.Class)
		var onCreate jdwp.Method
		for class != nil {
			var err error
			onCreate, err = conn.GetClassMethod(class.ID(), "onCreate", "()V")
			if err == nil {
				break
			}
			class = class.Super()
		}
		if class == nil {
			return fmt.Errorf("Couldn't find Application.onCreate")
		}
		log.I(ctx, "   Waiting for %v.onCreate()", class.String())
		out, err := conn.WaitForMethodEntry(ctx, class.ID(), onCreate.ID)
		if err != nil {
			return err
		}
		entry = out
		return nil
	})
	if err != nil {
		return nil, err
	}

	return entry, nil
}

// waitForVulkanLoad for android.app.ApplicationLoaders.getClassLoader to be called,
// and then suspends the thread.