系列ImageButton突出显示

Question

我有一系列像redo, undo, choose, delete这样的图片。我需要了解如何实现当用户点击redo，它将突出显示。当用户单击undo时，redo按钮返回到默认状态，undo按钮高亮显示。

我有以下redo按钮的实现

<selector xmlns:android="http://schemas.android.com/apk/res/android">
  <item
      android:state_enabled="false"
      android:drawable="@drawable/redo_off" />
  <item
      android:state_pressed="true"
      android:state_enabled="true"
      android:drawable="@drawable/redo_on" />
  <item
      android:state_focused="true"
      android:state_enabled="true"
      android:drawable="@drawable/redo_on" />
  <item
      android:state_enabled="true"
      android:drawable="@drawable/redo_off" />
</selector>

Answer 1

您可能需要在它们各自的单击侦听器中设置这些按钮的所需状态。不确定是否可以通过selector xml文件完成此操作。

Answer 2

下面是让方法切换并传递int值的技巧，如下所示

private void toggleButton(int value){
switch(value){
case 1:
//set enabled background color of the redo button
//set disabled background color of the undo button
//set disabled background color of the choose button
//set disabled background color of the delete button
break;
case 2:
//set disabled background color of the redo button
//set enabled background color of the undo button
//set disabled background color of the choose button
//set disabled background color of the delete button
break;
case 3:
//set disabled background color of the redo button
//set disabled background color of the undo button
//set enabled background color of the choose button
//set disabled background color of the delete button
break;
case 4:
//set disabled background color of the redo button
//set disabled background color of the undo button
//set disabled background color of the choose button
//set enabled background color of the delete button
break;
}
}

onYour按钮单击add call this method如果单击redo按钮调用

toggleButton(1);

如果您单击undo按钮调用

toggleButton(2);

如果您点击选择按键呼叫

toggleButton(3);

如果你点击删除按钮调用

toggleButton(4);