Android中GrideView例子

以下为GrideView例子：

 

/**
 * 我的 - 认证信息
 * Created by dwen on 2018/4/4.
 */

public class MyRenzhengActivity extends BaseActivity {

    private List<RenZhengBean> renZhengBeans = new ArrayList<>();
    private GridView gridView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_my_renzheng);
        gridView = (GridView)findViewById(R.id.my_renzheng_gridV);
        initUI();
        initRenZhengList();
        actionAdapter();
    }

    /**
     * 初始化UI
     */
    private void initUI(){
        TextView textView = (TextView) this.findViewById(R.id.top_title2);
        textView.setText("认证信息");
        ImageView imageView = (ImageView)this.findViewById(R.id.jiantouImg2);
        imageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
            }
        });
    }

    private void initRenZhengList(){
        RenZhengBean bean = new RenZhengBean();
        //TODO 判断是否认证
        bean.setImgTag(R.mipmap.no_shiming);
        bean.setName("实名认证");
        bean.setDesc("个人信息审核认证");
        bean.setType(RenzhengType.SHIMING.key);
        renZhengBeans.add(bean);

        RenZhengBean bean2 = new RenZhengBean();
        //TODO 判断是否认证
        bean2.setImgTag(R.mipmap.yes_qiye);
        bean2.setName("企业认证");
        bean2.setDesc("企业资质审核认证");
        bean2.setType(RenzhengType.QIYE.key);
        renZhengBeans.add(bean2);

        RenZhengBean bean3 = new RenZhengBean();
        //TODO 判断是否认证
        bean3.setImgTag(R.mipmap.yes_dangbao);
        bean3.setName("担保认证");
        bean3.setDesc("担保交易认证");
        bean3.setType(RenzhengType.DANGBAO.key);
        renZhengBeans.add(bean3);

    }

    /**
     * Adapter
     */
    private void actionAdapter(){
        MyRenzhengAdapter adapter = new MyRenzhengAdapter(renZhengBeans,MyRenzhengActivity.this);
        gridView.setAdapter(adapter);
    }

}

 

/**
 * 我的认证
 * Created by dwen on 2018/4/4.
 */

public class MyRenzhengAdapter extends BaseAdapter {

    private List<RenZhengBean> list = new ArrayList<>();
    Context context;

    public MyRenzhengAdapter(List<RenZhengBean> list, Context context) {
        this.list = list;
        this.context = context;
    }

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

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

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

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        final ViewHolder holder;
        final RenZhengBean bean = this.list.get(position);
        if (null == convertView){
            convertView = LayoutInflater.from(context).inflate(R.layout.item_my_renzheng,null);
            holder = new ViewHolder(convertView);
            holder.img = convertView.findViewById(R.id.item_renzheng_img);
            holder.txtName = convertView.findViewById(R.id.item_renzheng_txt);
            holder.txtDesc = convertView.findViewById(R.id.item_renzheng_txt2);
            holder.linearLayout = convertView.findViewById(R.id.my_renzheng_linear);
            holder.linearLayout.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    if (bean.getType().equals(RenzhengType.DANGBAO.key)){
                        MmtUtils.SwitchActivity(context, MyDangbaoActivity.class,null);
                    }else if(bean.getType().equals(RenzhengType.QIYE)){

                    }else if (bean.getType().equals(RenzhengType.SHIMING)){

                    }

                }
            });
            //set value
            holder.img.setImageResource(bean.getImgTag());
            holder.txtName.setText(bean.getName());
            holder.txtDesc.setText(bean.getDesc());
            convertView.setTag(holder);
        }else{
            //直接通过holder获取子控件，不必使用findviewbyid，加快了 UI 的响应速度
            Log.i("bean.getName()--",bean.getName());
            holder = (ViewHolder)convertView.getTag();
            holder.img.setImageResource(bean.getImgTag());
            holder.txtName.setText(bean.getName());
            holder.txtDesc.setText(bean.getDesc());

        }

        return convertView;
    }

    /**
     * ViewHolder save view and speed UI
     */
    static class ViewHolder{
        ImageView img;
        TextView txtName,txtDesc;
        LinearLayout linearLayout;

        public ViewHolder() {

        }

        public ViewHolder(View view) {

        }
    }
}

 

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

    <include layout="@layout/title2"></include>

    <GridView
        android:id="@+id/my_renzheng_gridV"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginTop="15dp"
        android:columnWidth="153dp"
        android:stretchMode="spacingWidthUniform"
        android:verticalSpacing="15dp"
        android:numColumns="2">

    </GridView>
</LinearLayout>

 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:orientation="vertical">
    <LinearLayout
        android:id="@+id/my_renzheng_linear"
        android:layout_width="153dp"
        android:layout_height="170dp"
        android:orientation="vertical"
        android:background="@drawable/shape_corner4">
        <ImageView
            android:id="@+id/item_renzheng_img"
            android:layout_width="43dp"
            android:layout_height="50dp"
            android:src="@mipmap/no_dangbao"
            android:layout_gravity="center"
            android:layout_marginTop="25dp"/>
        <TextView
            android:id="@+id/item_renzheng_txt"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="15dp"
            android:textColor="@color/text_color"
            android:text="实名认证"
            android:layout_gravity="center"
            android:layout_marginTop="15dp"/>
        <TextView
            android:id="@+id/item_renzheng_txt2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="13dp"
            android:textColor="@color/default_bt_tx_color"
            android:text="个人信息审核认证"
            android:layout_gravity="center"
            android:layout_marginTop="15dp"/>
    </LinearLayout>
</LinearLayout>