Como podemos traçar uma linha em andróide?

import android.content.Context;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.view.View;public class DrawView extends View { Paint paint paint = new Paint(); public DrawView(Context context) { super(context); paint.setColor(Color.BLACK); } @Override public void onDraw(Canvas canvas) { canvas.drawLine(0, 0, 20, 20, paint); canvas.drawLine(20, 0, 0, 20, paint); }}}br>A actividade para iniciar:
StartDraw.java
import android.app.Activity;import android.graphics.Color;import android.os.Bundle;public class StartDraw extends Activity { DrawView drawView; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); drawView = novo DrawView(this); drawView.setBackgroundColor(Color.WHITE); setContentView(drawView); }}}

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credit vai para................

http://stackoverflow.com/questions/3616676/how-to-draw-a-line-in-android