Listview 设置item点击改变背景以及文字颜色

由于项目需求需要点击左侧的listview中的item,右侧随着改变,例如下图是我实现的效果:

                             

今天记录一下,以便以后翻阅.左侧为listvie列表,右侧也为点击左侧listview中的item随着改变。现在主要记录一下左侧listview中点击item背景以及文字颜色的改变。主要有几点:

1、在MainActivity中设置listview的setOnItemClickListener监听 ,以下代码中,主要是调用productNameLisAdapter的两个方法以及对适配器及时更新数据

 productNameListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                setReclassifyData(position);//设置listview点击时候右侧二级分类的数据
                productNameLisAdapter.setCurrentItem(position);
                productNameLisAdapter.setClick(true);
                productNameLisAdapter.notifyDataSetChanged();
            }
        });

2、设置ProductNameLisAdapter

private int mCurrentItem=0;//选中项的下标
private boolean isClick = false;//判断是否选中
//判断初始进来选中的下标==当前的下标 如果i=0时设置背景、文字颜色、以及左侧的竖直tab
if (mCurrentItem == i) {
    viewHolder.textViewProjectName.setTextColor(context.getResources().getColor(R.color.colorOrangeRed));
    viewHolder.textViewLine.setBackgroundColor(context.getResources().getColor(R.color.colorOrangeRed));
 viewHolder.linearLayoutProductNameList.setBackgroundColor(context.getResources().getColor(R.color.colorWhite));
} else {
    viewHolder.textViewProjectName.setTextColor(context.getResources().getColor(R.color.colorBlack));
    viewHolder.textViewLine.setBackgroundColor(context.getResources().getColor(R.color.colorGray));
    viewHolder.linearLayoutProductNameList.setBackgroundColor(context.getResources().getColor(R.color.colorGray));
}
public void setCurrentItem(int currentItem) {
    this.mCurrentItem = currentItem;
}

public void setClick(boolean click) {
    this.isClick = click;
}

网上有很多代码会设置判断  !isClick但是我代码中设置之后初始进来第一条item的状态是选中正确的,但是在点击item的时候其他状态并没有改变,所以我没有设置,参考的时候看自己的情况

以下为适配器的代码:

public class ProductNameLisAdapter extends BaseAdapter {
    Context context;
    private List<ClassificationEntity.DataBean.GoodsCategoryListBean> list;
    private int mCurrentItem=0;
    private boolean isClick = false;


    public ProductNameLisAdapter(Context context, List<ClassificationEntity.DataBean.GoodsCategoryListBean> list) {
        this.context = context;
        this.list = list;
    }

    @Override
    public int getCount() {
        return list.size();
    }

    @Override
    public Object getItem(int position) {
        return list.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int i, View convertView, ViewGroup viewGroup) {
        ViewHolder viewHolder;
        if (convertView == null) {
            viewHolder = new ViewHolder();
            convertView = View.inflate(context, R.layout.item_project_name_list, null);
            viewHolder.textViewProjectName = convertView.findViewById(R.id.textViewProjectName);
            viewHolder.textViewLine = convertView.findViewById(R.id.textViewLine);
            viewHolder.linearLayoutProductNameList = convertView.findViewById(R.id.linearLayoutProductNameList);
            convertView.setTag(viewHolder);
        } else {
            viewHolder = (ViewHolder) convertView.getTag();
        }

        viewHolder.textViewProjectName.setText(list.get(i).getShort_name());
        if (mCurrentItem == i) {
            viewHolder.textViewProjectName.setTextColor(context.getResources().getColor(R.color.colorOrangeRed));
            viewHolder.textViewLine.setBackgroundColor(context.getResources().getColor(R.color.colorOrangeRed));
            viewHolder.linearLayoutProductNameList.setBackgroundColor(context.getResources().getColor(R.color.colorWhite));
        } else {
            viewHolder.textViewProjectName.setTextColor(context.getResources().getColor(R.color.colorBlack));
            viewHolder.textViewLine.setBackgroundColor(context.getResources().getColor(R.color.colorGray));
            viewHolder.linearLayoutProductNameList.setBackgroundColor(context.getResources().getColor(R.color.colorGray));
        }
        return convertView;
    }

    public class ViewHolder {
        public TextView textViewProjectName, textViewLine;
        LinearLayout linearLayoutProductNameList;
    }

    public void setCurrentItem(int currentItem) {
        this.mCurrentItem = currentItem;
    }

    public void setClick(boolean click) {
        this.isClick = click;
    }
}

在配上item_project_name_list 的布局文件

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

    <TextView
        android:id="@+id/textViewLine"
        android:layout_width="2dp"
        android:layout_height="match_parent"
        android:background="@color/colorOrangeRed" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <TextView
            android:id="@+id/textViewProjectName"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:gravity="center"
            android:padding="10dp"
            android:text="@string/textview_phone_card"
            android:textColor="@color/colorOrangeRed" />

        <TextView style="@style/MyDivider" />
    </LinearLayout>

</LinearLayout>
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