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Android 如何使图像按钮仅在单击listview项目时显示?_Android_Listview_Imagebutton - Fatal编程技术网

Android 如何使图像按钮仅在单击listview项目时显示?

Android 如何使图像按钮仅在单击listview项目时显示?,android,listview,imagebutton,Android,Listview,Imagebutton,未单击任何项目的屏幕截图 我想要达到的目标: 这将起作用: lv.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

未单击任何项目的屏幕截图

我想要达到的目标:

这将起作用:

  lv.setOnItemClickListener(new OnItemClickListener() {
                @Override
                public void onItemClick(AdapterView<?> parent, View view, int position,
                        long id) {
                    btn.setVisibility(view.VISIBLE);
                }
            });
lv.setOnItemClickListener(新的OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父视图、视图、整型位置、,
长id){
btn.setVisibility(视图可见);
}
});

您可以使用
ImgViewBtn.setVisibility(View.VISIBLE)
在单击的项目上显示。非常感谢您的回复:)我将尝试此操作。我可以在布局的顶部制作一个imagebutton吗?