按钮状态--代码设定

[java]采用xml写出来的效果皆可以用代码来实现，下面的代码就是通过代码编写来实现view的状态的切换效果。 
      采用xml写出来的效果皆可以用代码来实现，下面的代码就是通过代码编写来实现view的状态的切换效果。[java]    public void setPressedBg(View view, Drawable normal,Drawable focused, Drawable pressed) { 
    StateListDrawable bg = new StateListDrawable(); 
    int[][] states = new int[6][];  
    states[0] = new int[] { android.R.attr.state_pressed, android.R.attr.state_enabled };   
           states[1] = new int[] { android.R.attr.state_enabled, android.R.attr.state_focused };   
           states[2] = new int[] { android.R.attr.state_enabled };   
           states[3] = new int[] { android.R.attr.state_focused ,android.R.attr.state_window_focused};   
           states[4] = new int[] { android.R.attr.state_window_focused };  
    bg.addState(states[0], pressed); 
    bg.addState(states[3], focused); 
    bg.addState(states[2], normal); 
   view.setBackgroundDrawable(bg); 
} 


摘自 agods--足迹

补充：移动开发 , Android ,