Hide Bitmap from screen
<p>i have take image from drawable folder and put it into <code>Bitmap</code> Array. and i have set those bitmap in canvas. now i would like to know that how can i hide it (or like destroy) those bitmap so i can see free space in screen? </p>

<p>i have tryed with its in build function but not get proper result.</p>

<p><strong>Here is my Code :</strong> </p>

<pre><code>bmp_enemy[i] = BitmapFactory.decodeResource(
                   getResources(),
                   R.drawable.enemy);
canvas.drawBitmap(
    bmp_enemy[i], 
    int_enemy_Xcord[i], 
    int_enemy_Ycord[i],
    null);          
</code></pre>
