• GridView,ListView实例


    1.建立MyGrid,MyList类

    package com.archermind.activity;

    import java.util.ArrayList;
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map;
    import android.app.Activity;
    import android.os.Bundle;
    import android.widget.GridView;
    import android.widget.SimpleAdapter;

    public class MyGrid extends Activity
    {
    GridView gridView = null;
    List<Map<String, Object>> contents = new ArrayList<Map<String, Object>>();

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.mygrid);

    gridView = (GridView) findViewById(R.id.grid);
    for (int i = 0; i < 10; i++)
    {
    HashMap<String, Object> map = new HashMap<String, Object>();
    map.put("PIC", R.drawable.pic);
    map.put("TITLE", "test title");
    contents.add(map);
    }
    SimpleAdapter adapter = new SimpleAdapter(this, contents,
    R.layout.griditem, new String[] { "PIC", "TITLE" }, new int[] {
    R.id.griditem_pic, R.id.griditem_title, });

    gridView.setAdapter(adapter);
    }

    }



    package com.archermind.activity;

    import java.util.ArrayList;
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map;

    import android.app.Activity;
    import android.os.Bundle;
    import android.widget.ListView;
    import android.widget.SimpleAdapter;

    public class MyList extends Activity
    {
    ListView listView = null;
    List<Map<String, Object>> contents = new ArrayList<Map<String, Object>>();

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.mylist);

    listView = (ListView) findViewById(R.id.list);
    for (int i = 0; i < 10; i++)
    {
    Map<String, Object> map = new HashMap<String, Object>();
    map.put("PIC", R.drawable.pic);
    map.put("TITLE", "Test Title");
    map.put("CONTENT", "Test Content");
    contents.add(map);
    }
    SimpleAdapter adapter = new SimpleAdapter(this,
    (List<Map<String, Object>>) contents, R.layout.listitem,
    new String[] { "PIC", "TITLE", "CONTENT" }, new int[] {
    R.id.listitem_pic, R.id.listitem_title,
    R.id.listitem_content });

    listView.setAdapter(adapter);
    }

    }

    2.建立4个XML:griditem.xml,listitem.xml,mygrid.xml,mylist.xml

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

    <ImageView
    android:id="@+id/griditem_pic"
    android:layout_width
    ="wrap_content"
    android:layout_height
    ="wrap_content"
    android:layout_gravity
    ="center_horizontal"
    />

    <TextView
    android:id="@+id/griditem_title"
    android:layout_width
    ="wrap_content"
    android:layout_height
    ="wrap_content"
    android:layout_gravity
    ="center_horizontal"
    android:text
    ="test"
    />
    </LinearLayout>

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

    <ImageView
    android:id="@+id/listitem_pic"
    android:layout_width
    ="wrap_content"
    android:layout_height
    ="wrap_content"
    android:layout_alignParentTop
    ="true"
    android:layout_alignParentBottom
    ="true"
    android:src
    ="@drawable/pic" android:adjustViewBounds="true"
    android:padding
    ="2dip"
    />
    <TextView android:id="@+id/listitem_title"
    android:layout_width
    ="wrap_content"
    android:layout_height
    ="wrap_content"
    android:layout_toRightOf
    ="@+id/listitem_pic"
    android:layout_alignParentRight
    ="true"
    android:layout_alignParentTop
    ="true"
    android:layout_above
    ="@+id/listitem_content"
    android:layout_alignWithParentIfMissing
    ="true"
    android:gravity
    ="center_vertical"
    android:text
    ="@+id/listitem_title"
    android:textSize
    ="22px" />

    <TextView android:id="@+id/listitem_content"
    android:layout_width
    ="fill_parent"
    android:layout_height
    ="wrap_content"
    android:layout_toRightOf
    ="@+id/listitem_pic"
    android:layout_alignParentBottom
    ="true"
    android:layout_alignParentRight
    ="true"
    android:singleLine
    ="true"
    android:ellipsize
    ="marquee"
    android:text
    ="@+id/item_content"
    android:textSize
    ="14px" />
    </RelativeLayout>

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


    <GridView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id
    ="@+id/grid"
    android:layout_width
    ="wrap_content"
    android:layout_height
    ="wrap_content"
    android:verticalSpacing
    ="10dp"
    android:horizontalSpacing
    ="10dp"
    android:numColumns
    ="auto_fit"
    android:columnWidth
    ="90dp"
    android:stretchMode
    ="columnWidth"
    >

    </GridView>
    </LinearLayout>

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

    <ListView
    android:id="@+id/list"
    android:layout_width
    ="wrap_content"
    android:layout_height
    ="wrap_content"
    />
    </LinearLayout>


    源码:https://files.cnblogs.com/kelei12399/MyDemo.zip

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  • 原文地址:https://www.cnblogs.com/kelei12399/p/2317275.html
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