refactor source tree organization, switch to meson

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

@@ -0,0 +1,35 @@
+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 ScrollView extends ViewGroup {
+	public ScrollView(AttributeSet attrs) {
+		super(attrs);
+
+		native_constructor(attrs);
+	}
+
+	public ScrollView(Context context) {
+		super(context);
+
+		native_constructor(context);
+	}
+
+	private native void native_constructor(AttributeSet attrs);
+	private native void native_constructor(Context context);
+
+	@Override
+	public native void addView(View child, int index, LayoutParams params);
+	@Override
+	public native void removeView(View view);
+	@Override
+	public native void removeAllViews();
+
+	protected void onScrollChanged(int x, int y, int oldx, int oldy) {}
+	public void setFillViewport(boolean fillViewport) {}
+}