diff --git a/src/api-impl-jni/android_view_Window.c b/src/api-impl-jni/android_view_Window.c
index dcd7c0b6..96252b3a 100644
--- a/src/api-impl-jni/android_view_Window.c
+++ b/src/api-impl-jni/android_view_Window.c
@@ -46,3 +46,10 @@ JNIEXPORT void JNICALL Java_android_view_Window_take_1input_1queue(JNIEnv *env,
 	g_object_set_data(G_OBJECT(window), "input_queue_callback", (gpointer)_REF(callback));
 	g_object_set_data(G_OBJECT(window), "input_queue", (gpointer)_REF(queue));
 }
+
+JNIEXPORT void JNICALL Java_android_view_Window_set_1layout(JNIEnv *env, jobject this, jlong window, jint width, jint height)
+{
+	GtkWindow *gtk_window = GTK_WINDOW(_PTR(window));
+	if (width > 0 && height > 0)
+		gtk_window_set_default_size(gtk_window, width, height);
+}
diff --git a/src/api-impl-jni/generated_headers/android_view_Window.h b/src/api-impl-jni/generated_headers/android_view_Window.h
index a33e080d..40bb02e0 100644
--- a/src/api-impl-jni/generated_headers/android_view_Window.h
+++ b/src/api-impl-jni/generated_headers/android_view_Window.h
@@ -35,6 +35,14 @@ JNIEXPORT void JNICALL Java_android_view_Window_set_1title
 JNIEXPORT void JNICALL Java_android_view_Window_take_1input_1queue
   (JNIEnv *, jobject, jlong, jobject, jobject);
 
+/*
+ * Class:     android_view_Window
+ * Method:    set_layout
+ * Signature: (JII)V
+ */
+JNIEXPORT void JNICALL Java_android_view_Window_set_1layout
+  (JNIEnv *, jobject, jlong, jint, jint);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/api-impl/android/view/Window.java b/src/api-impl/android/view/Window.java
index 2c30a658..2815d294 100644
--- a/src/api-impl/android/view/Window.java
+++ b/src/api-impl/android/view/Window.java
@@ -66,6 +66,7 @@ public class Window {
 	private native void set_title(long native_window, String title);
 
 	public native void take_input_queue(long native_window, InputQueue.Callback callback, InputQueue queue);
+	public native void set_layout(long native_window, int width, int height);
 
 	public void takeInputQueue(InputQueue.Callback callback) {
 		take_input_queue(native_window, callback, new InputQueue());
@@ -91,7 +92,9 @@ public class Window {
 		decorView.setBackgroundDrawable(drawable);
 	}
 
-	public void setAttributes(WindowManager.LayoutParams params) {}
+	public void setAttributes(WindowManager.LayoutParams params) {
+		set_layout(native_window, params.width, params.height);
+	}
 
 	public void takeSurface(SurfaceHolder.Callback2 callback) {}
 
@@ -101,7 +104,9 @@ public class Window {
 
 	public void setFormat(int format) {}
 
-	public void setLayout(int dummy, int dummy2) {}
+	public void setLayout(int width, int height) {
+		set_layout(native_window, width, height);
+	}
 
 	public WindowManager getWindowManager() {
 		return new WindowManagerImpl();