add more API stubs for NewPipe

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

@@ -0,0 +1,28 @@
+package android.widget;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+
+public abstract class AbsSeekBar extends ProgressBar {
+
+	public AbsSeekBar(Context context) {
+		super(context);
+	}
+
+	public AbsSeekBar(Context context, AttributeSet attributeSet) {
+		super(context, attributeSet);
+	}
+
+	public Drawable getThumb() {
+		return new Drawable() {
+			@Override
+			public void draw(Canvas canvas) {
+				// TODO Auto-generated method stub
+				throw new UnsupportedOperationException("Unimplemented method 'draw'");
+			}
+		};
+	}
+
+}