在代码中实现背景单击变换颜色跟TextView变换文字颜色

在代码中实现背景单击变换颜色和TextView变换文字颜色
效果:
点击前:

点击中:


布局文件中代码:

...
<LinearLayout android:id="@+id/layout" android:layout_width="match_parent" android:layout_height="60dip" android:orientation="vertical" android:clickable="true">
                <TextView android:textSize="20sp" android:gravity="center" android:id="@+id/textView" android:layout_width="fill_parent" android:layout_height="match_parent" android:text="按钮"/>
</LinearLayout>
...

在代码中设置这些颜色:

...
@Override
protected void onCreate(Bundle savedInstanceState) {
	...
	LinearLayout layout = (LinearLayout) findViewById(R.id.layout);
	TextView textView = (TextView) findViewById(R.id.textView);
	
	setPressedBg(layout,"#00ffff","#00ff00","#00ff00");
	setTextPressedBg(textView,"#000000","#ffffff","#ffffff");
	textView.setDuplicateParentStateEnabled(true);	//子视图与父控件perssed 等状态保持一致
}

	/**
	 * 设置单击背景色
	 * @param view 控件
	 * @param normal 未选择时的背景色
	 * @param focused 选择时的背景色
	 * @param pressed 选择时的背景色
	 */
	public void setPressedBg(View view, String normal,String focused, String pressed) { 
	    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 }; 
	    
	    StateListDrawable bg = new StateListDrawable(); 
	    bg.addState(states[0], new ColorDrawable(Color.parseColor(pressed))); 
	    bg.addState(states[3], new ColorDrawable(Color.parseColor(focused))); 
	    bg.addState(states[2], new ColorDrawable(Color.parseColor(normal)));
	    
	    view.setBackground(bg);
	}
	
	/**
	 * 对TextView设置不同状态时其文字颜色。
	 * @param textView 控件
	 * @param normal 未选择时的文字颜色
	 * @param pressed 选择时的文字颜色
	 * @param focused 选择时的文字颜色
	 */
	private void setTextPressedBg(TextView textView,String normal, String pressed, String focused) {
		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 };
		states[4] = new int[] { android.R.attr.state_window_focused };
		states[5] = new int[] {};

		int normalColor = Color.parseColor(normal);
		int pressedColor = Color.parseColor(pressed);
		int focusedColor = Color.parseColor(focused);
	    
		ColorStateList colorList = new ColorStateList(states, new int[] {pressedColor,focusedColor,normalColor,focusedColor,focusedColor,normalColor});
		
		textView.setTextColor(colorList);
	}
...