[android]_[그림]

public class DrawView extends View {

	public DrawView(Context context) {
		super(context);
	}

	@Override
	protected void onDraw(Canvas canvas) {
		super.onDraw(canvas);
		/*
		 *       drawRect      drawCircle      drawOval      drawPath        
		 * drawLine      drawPoin    
		 */
		//     
		Paint p = new Paint();
		p.setColor(Color.RED);//     

		canvas.drawText("  ：", 10, 20, p);//    
		canvas.drawCircle(60, 20, 10, p);//   
		p.setAntiAlias(true);//          。 true   ，          
		canvas.drawCircle(120, 20, 20, p);//   

		canvas.drawText("     ：", 10, 60, p);
		p.setColor(Color.GREEN);//     
		canvas.drawLine(60, 40, 100, 40, p);//   
		canvas.drawLine(110, 40, 190, 80, p);//   
		//     
		p.setStyle(Paint.Style.STROKE);//    
		RectF oval1=new RectF(150,20,180,40);
		canvas.drawArc(oval1, 180, 180, false, p);//   
		oval1.set(190, 20, 220, 40);
		canvas.drawArc(oval1, 180, 180, false, p);//   
		oval1.set(160, 30, 210, 60);
		canvas.drawArc(oval1, 0, 180, false, p);//   

		canvas.drawText("   ：", 10, 80, p);
		p.setColor(Color.GRAY);//     
		p.setStyle(Paint.Style.FILL);//    
		canvas.drawRect(60, 60, 80, 80, p);//    
		canvas.drawRect(60, 90, 160, 100, p);//    

		canvas.drawText("      :", 10, 120, p);
		/*                    */
		Shader mShader = new LinearGradient(0, 0, 100, 100,
				new int[] { Color.RED, Color.GREEN, Color.BLUE, Color.YELLOW,
						Color.LTGRAY }, null, Shader.TileMode.REPEAT); //     ,              。
		p.setShader(mShader);
		// p.setColor(Color.BLUE);
		RectF oval2 = new RectF(60, 100, 200, 240);//         ，    
		canvas.drawArc(oval2, 200, 130, true, p);
		//   ，      RectF：              ，         ，             ，        
		//   ， oval   
		oval2.set(210,100,250,130);
		canvas.drawOval(oval2, p);

		canvas.drawText("    ：", 10, 200, p);
		//        ,          
		Path path = new Path();
		path.moveTo(80, 200);//          
		path.lineTo(120, 250);
		path.lineTo(80, 250);
		path.close(); //             
		canvas.drawPath(path, p);

		//             ，        
		p.reset();//  
		p.setColor(Color.LTGRAY);
		p.setStyle(Paint.Style.STROKE);//    
		Path path1=new Path();
		path1.moveTo(180, 200);
		path1.lineTo(200, 200);
		path1.lineTo(210, 210);
		path1.lineTo(200, 220);
		path1.lineTo(180, 220);
		path1.lineTo(170, 210);
		path1.close();//  
		canvas.drawPath(path1, p);
		/*
		 * Path     (          
		 *     *、    ,      ，      。drawPath(  、  ),         
		 * (       ),                 。
		 */
		
		//     
		p.setStyle(Paint.Style.FILL);//  
		p.setColor(Color.LTGRAY);
		p.setAntiAlias(true);//          
		canvas.drawText("     :", 10, 260, p);
		RectF oval3 = new RectF(80, 260, 200, 300);//         
		canvas.drawRoundRect(oval3, 20, 15, p);//      x  ，      y  
		
		//      
		canvas.drawText("      :", 10, 310, p);
		p.reset();
		p.setStyle(Paint.Style.STROKE);
		p.setColor(Color.GREEN);
		Path path2=new Path();
		path2.moveTo(100, 320);//  Path   
		path2.quadTo(150, 310, 170, 400); //                  
		canvas.drawPath(path2, p);//       
		
		//  
		p.setStyle(Paint.Style.FILL);
		canvas.drawText("  ：", 10, 390, p);
		canvas.drawPoint(60, 390, p);//    
		canvas.drawPoints(new float[]{60,400,65,400,70,400}, p);//    
		
		//   ，    
		Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher);
		canvas.drawBitmap(bitmap, 250,360, p);
	}
}

    <com.example.administrator.myapplication.DrawView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />