gpt4 book ai didi

android - 更改为与布局不同后如何单击 ListView 项目?

转载 作者:行者123 更新时间:2023-11-30 01:29:09 27 4
gpt4 key购买 nike

当我点击 ListView 时,它会将该项目更改为不同的布局。但在那之后我不能再点击那个项目了。我应该做些什么?请帮我。谢谢。

@Override
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolder holder;

if (convertView == null || convertView.getTag() == null) {
convertView = inflater.inflate(R.layout.activity_mainlist_item, parent, false);
holder = new ViewHolder(convertView);
convertView.setTag(holder);

}else {
holder = (ViewHolder) convertView.getTag();
}

holder.rl_item.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
selectedItem(position);
notifyDataSetChanged();
Intent intent = new Intent(mContext.getApplicationContext(), DetailActivity.class);
mContext.startActivity(intent);
}
});

if (this.clk_position == position) {
View view = inflater.inflate(R.layout.activity_mainlist_item_p, null);
return view;
}
return convertView;
}

最佳答案

我建议使用单一布局并将其分为两个部分。默认情况下,第一部分是可见的,第二部分是不可见的。单击列表项时,使第一部分不可见,第二部分可见。

例如,

list_item_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">

<!-- replace below TextView with the layout of activity_mainlist_item.xml -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"
android:text="Layout 1"
android:id="@+id/layout1"
android:background="@android:color/holo_blue_bright"
/>

<!-- replace below TextView with the layout activity_mainlist_item_p.xml and don't forget to set android:visibility="gone" -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"
android:text="Layout 2"
android:id="@+id/layout2"
android:visibility="gone"
android:background="@android:color/holo_purple"
/>
</LinearLayout>

getView()中,尝试如下

@Override
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolder holder;

if (convertView == null || convertView.getTag() == null) {
convertView = inflater.inflate(R.layout.list_item_layout, parent, false);
holder = new ViewHolder(convertView);
// Assuming `ViewHolder` has layout1 and layout2.
holder.layout1 = (TextView) convertView.findViewById(R.id.layout1);
holder.layout2 = (TextView) convertView.findViewById(R.id.layout2);
convertView.setTag(holder);

}else {
holder = (ViewHolder) convertView.getTag();
}

holder.rl_item.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
selectedItem(position);
notifyDataSetChanged();
Intent intent = new Intent(mContext.getApplicationContext(), DetailActivity.class);
mContext.startActivity(intent);
}
});

if (this.clk_position == position) {
// Here, set swap the visibility or vice versa depending on your conditions
holder.layout1.setVisibility(View.GONE);
holder.layout2.setVisibility(View.VISIBLE);
return view;
}
return convertView;
}

关于android - 更改为与布局不同后如何单击 ListView 项目?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/36004377/

27 4 0
Copyright 2021 - 2024 cfsdn All Rights Reserved 蜀ICP备2022000587号
广告合作:1813099741@qq.com 6ren.com