九宫格

Posted 2020-09-17

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:orientation="vertical"
    tools:context="com.example.yz.jiugongge.MainActivity">
<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/yz"
    android:orientation="horizontal">


</LinearLayout>

</LinearLayout>


GrideView

<?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">
    tools:context="com.example.yz.jiugongge.MainActivity">

    <GridView
        android:layout_width="match_parent"
        android:numColumns="3"
        android:layout_height="match_parent"
        android:id="@+id/view"
        >
    </GridView>
</LinearLayout>


SimpleAdapter

<?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">


    <ImageView
        android:layout_width="100dp"
        android:layout_height="150dp"
        android:id="@+id/image"
        />

</LinearLayout>

  

 

MainActivity

package com.example.yz.jiugongge;

import android.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        FragmentTransaction fragmentTransaction =getFragmentManager().beginTransaction();
        Activity gridFragment =new Activity();
        fragmentTransaction.add(R.id.yz,gridFragment);
        fragmentTransaction.commit();
    }
}


Activity

package com.example.yz.jiugongge;

import android.app.Fragment;
import android.os.Bundle;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.GridView;
import android.widget.SimpleAdapter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
public class Activity extends Fragment {
    private SimpleAdapter adapter;
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view=inflater.inflate(R.layout.gridview, container, false);
        adapter=new SimpleAdapter(getActivity(),getData(),R.layout.simpleadapter,
                new String[]{"img"},
                new int[]{R.id.image}
        );
        GridView gridView= (GridView)view.findViewById(R.id.view);
        gridView.setAdapter(adapter);
        return view;
    }
    private List<HashMap<String, Object>> getData(){
        List<HashMap<String,Object>>datas = new ArrayList<>();
        HashMap<String,Object> data = new HashMap<>();
        //Map映射添加数据
        data.put("img",R.mipmap.ic_launcher);
        //将Map放到list
        datas.add( data);
        data = new HashMap<>();
        data.put("img",R.mipmap.ic_launcher);
        datas.add( data);
        //将Map放到list
        data = new HashMap<>();
        data.put("img",R.mipmap.ic_launcher);
        datas.add( data);
        data = new HashMap<>();
        data.put("img",R.mipmap.ic_launcher);
        datas.add( data);
        data = new HashMap<>();
        data.put("img",R.mipmap.ic_launcher);
        datas.add( data);
        data = new HashMap<>();
        data.put("img",R.mipmap.ic_launcher);
        datas.add( data);
        data = new HashMap<>();
        data.put("img",R.mipmap.ic_launcher);
        data = new HashMap<>();
        data.put("img",R.mipmap.ic_launcher);
        datas.add( data);
        data = new HashMap<>();
        data.put("img",R.mipmap.ic_launcher);
        datas.add( data);
        data = new HashMap<>();
        data.put("img",R.mipmap.ic_launcher);
        datas.add( data);
        return  datas;
    }

}