diff --git a/src/api-impl-jni/views/AndroidLayout.c b/src/api-impl-jni/views/AndroidLayout.c
index 2bc61a53..dc0333fe 100644
--- a/src/api-impl-jni/views/AndroidLayout.c
+++ b/src/api-impl-jni/views/AndroidLayout.c
@@ -64,10 +64,24 @@ static void android_layout_allocate(GtkLayoutManager *layout_manager, GtkWidget
 		(*env)->ExceptionDescribe(env);
 }
 
+static GtkSizeRequestMode android_layout_get_request_mode(GtkLayoutManager *layout_manager, GtkWidget *widget)
+{
+	AndroidLayout *layout = ATL_ANDROID_LAYOUT(layout_manager);
+
+	if (layout->height == WRAP_CONTENT) {
+		return GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH;
+	} else if (layout->width == WRAP_CONTENT) {
+		return GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT;
+	} else {
+		return GTK_SIZE_REQUEST_CONSTANT_SIZE;
+	}
+}
+
 static void android_layout_class_init(AndroidLayoutClass *klass)
 {
 	klass->parent_class.measure = android_layout_measure;
 	klass->parent_class.allocate = android_layout_allocate;
+	klass->parent_class.get_request_mode = android_layout_get_request_mode;
 }
 
 static void android_layout_init(AndroidLayout *self) {}
diff --git a/src/api-impl/android/graphics/Matrix.java b/src/api-impl/android/graphics/Matrix.java
index 6cf7a22a..d0981fd2 100644
--- a/src/api-impl/android/graphics/Matrix.java
+++ b/src/api-impl/android/graphics/Matrix.java
@@ -324,7 +324,8 @@ public class Matrix {
 	 * M' = M * T(dx, dy)
 	 */
 	public boolean preTranslate(float dx, float dy) {
-		return native_preTranslate(native_instance, dx, dy);
+		// return native_preTranslate(native_instance, dx, dy);
+		return false;
 	}
 	/**
 	 * Preconcats the matrix with the specified scale.
@@ -630,7 +631,8 @@ public class Matrix {
 		if (dst == null || src == null) {
 			throw new NullPointerException();
 		}
-		return native_mapRect(native_instance, dst, src);
+		// return native_mapRect(native_instance, dst, src);
+		return false;
 	}
 	/**
 	 * Apply this matrix to the rectangle, and write the transformed rectangle
diff --git a/src/api-impl/android/graphics/Paint.java b/src/api-impl/android/graphics/Paint.java
index e1bc70ef..8e3ce6a6 100644
--- a/src/api-impl/android/graphics/Paint.java
+++ b/src/api-impl/android/graphics/Paint.java
@@ -163,6 +163,8 @@ public class Paint {
 
 	public Xfermode setXfermode(Xfermode xfermode) { return xfermode; }
 
+	public void setLetterSpacing(float spacing) {}
+
 	public enum Cap {
 		/**
 		 * The stroke ends with the path, and does not project beyond it.