title: how can we change the button size in java code
body: <p>I created the button in java code and i cant change the size of the button.I used</p>
  
  <pre><code>            btn = new Button(Activity.this);
      btn.setText("\t\t" + lbl + "\t\t\t  ");
              btn.setBackgroundResource(R.drawable.blue_button);
      btn.setwidth(100);
  </code></pre>
  
  <p>but no use.Any idea?  Thanks</p>