refactor source tree organization, switch to meson

src/api-impl/android/widget/FrameLayout.java

@@ -0,0 +1,49 @@
+package android.widget;
+
+import android.util.AttributeSet;
+import android.content.Context;
+
+import android.view.ViewGroup;
+import android.view.View;
+import android.view.ViewGroup.LayoutParams;
+
+public class FrameLayout extends ViewGroup {
+
+	public FrameLayout(AttributeSet attrs) {
+		super(attrs);
+
+		native_constructor(attrs);
+	}
+
+	public FrameLayout(Context context) {
+		super(context);
+
+		native_constructor(context);
+	}
+
+	public native void native_constructor(AttributeSet attrs);
+	public native void native_constructor(Context context);
+
+	@Override
+	public native void addView(View child, int index, ViewGroup.LayoutParams params);
+
+	public void addView(View child, int index) {
+		addView(child, index, null);
+	}
+
+	public static class LayoutParams extends ViewGroup.LayoutParams {
+        public LayoutParams(int width, int height) {
+			super(width, height);
+		}
+
+		public LayoutParams(int width, int height, float weight) {
+			super(width, height, weight);
+		}
+
+		public LayoutParams(int width, int height, int gravity) {
+			this.width = width;
+			this.height = height;
+			this.gravity = gravity;
+		}
+	}
+}