//  RedSquareActivity.java  (c) Kari Laitinen

//  http://www.naturalprogramming.com

//  2012-10-11  File created.
//  2015-03-16  Latest modification.

/*
    See the comments in SimpleIntentsActivity.java to find out
    how to use this file.

     Notes:

     setPadding() did not work for a View ????

   
*/

package simple.intents ;

import android.app.Activity;
import android.os.Bundle;
import android.view.View ;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ScrollView;
import android.widget.TextView;

import android.content.Context ;
import android.graphics.* ;  // Classes Canvas, Color, Paint, RectF, etc.


public class RedSquareActivity extends Activity
{
   class RedSquareView extends View  // An inner class.
   {
      public RedSquareView( Context context ) 
      {
         super( context ) ;
      }
        
      protected void onDraw( Canvas canvas ) 
      {
         Paint filling_paint = new Paint() ;
         filling_paint.setStyle( Paint.Style.FILL ) ;
         filling_paint.setColor( Color.RED ) ;

         int view_width = getWidth() ;
         int square_height = getHeight() - 40 ;

         canvas.drawRect( view_width / 2 - square_height / 2,
                          20,
                          view_width / 2 + square_height / 2,
                          square_height + 20,
                          filling_paint ) ;
      }
   }

   public void onCreate( Bundle savedInstanceState )
   {
      super.onCreate( savedInstanceState ) ;

      ScrollView scroll_view = new ScrollView( this ) ; 

      LinearLayout linear_layout = new LinearLayout( this ) ; 
      linear_layout.setOrientation( LinearLayout.VERTICAL ) ; 
      scroll_view.addView( linear_layout ) ;
      TextView textview = new TextView( this ) ;
      textview.setText( "We are inside a RedSquareActivity ..." ) ;
      linear_layout.addView( textview );

      RedSquareView red_square_view = new RedSquareView( this ) ;
      red_square_view.setMinimumHeight( 240 ) ;

      linear_layout.addView( red_square_view ) ;

      Button button = new Button( this ) ;
      button.setText( "Finish this activity!" ) ;

      button.setOnClickListener( new View.OnClickListener()
      {
         public void onClick( View view )
         {
            RedSquareActivity.this.finish() ;
         }
      });

      linear_layout.addView( button ) ;
      this.setContentView( scroll_view ) ;
   }
}