• andriod 支付宝类似界面图片加文字


    <?xml version="1.0" encoding="utf-8"?>
    
    <GridView
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/gridview"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:verticalSpacing="10dp"
        android:horizontalSpacing="10dp"
        android:columnWidth="90dp"
        android:stretchMode="columnWidth"
        android:gravity="center"
        android:numColumns="3" />

    grid.xml

    <?xml version="1.0" encoding="utf-8"?>
    
    <RelativeLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_height="wrap_content"
        android:paddingBottom="4dip" android:layout_width="fill_parent">
        <ImageView
            android:layout_height="wrap_content"
            android:id="@+id/ItemImage"
            android:layout_width="wrap_content"
            android:layout_centerHorizontal="true">
        </ImageView>
        <TextView
            android:layout_width="wrap_content"
            android:layout_below="@+id/ItemImage"
            android:layout_height="wrap_content"
            android:text="TextView01"
            android:layout_centerHorizontal="true"
            android:id="@+id/ItemText">
        </TextView>
    </RelativeLayout>   
    package com.example.yanlei.my;
    
    import android.os.Bundle;
    import android.support.v7.app.AppCompatActivity;
    import android.view.Menu;
    import android.view.MenuItem;
    import android.view.View;
    import android.widget.AdapterView;
    import android.widget.AdapterView.OnItemClickListener;
    import android.widget.GridView;
    import android.widget.SimpleAdapter;
    
    import java.util.ArrayList;
    import java.util.HashMap;
    
    public class MainActivity extends AppCompatActivity {
    
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            GridView gridview = (GridView) findViewById(R.id.gridview);
    
            //生成动态数组,并且转入数据
            ArrayList<HashMap<String, Object>> lstImageItem = new ArrayList<HashMap<String, Object>>();
            for (int i = 0; i < 10; i++) {
                HashMap<String, Object> map = new HashMap<String, Object>();
                if (i == 0) {
    
                    map.put("ItemImage", R.drawable.a1);//添加图像资源的ID
                } else {
                    map.put("ItemImage", R.drawable.ic_launcher);//添加图像资源的ID
                }
                map.put("ItemText", "NO." + String.valueOf(i));//按序号做ItemText
                lstImageItem.add(map);
            }
            //生成适配器的ImageItem <====> 动态数组的元素,两者一一对应
            SimpleAdapter saImageItems = new SimpleAdapter(this,
                    lstImageItem,//数据来源
                    R.layout.grid,//grid的XML实现
    
                    //动态数组与ImageItem对应的子项
                    new String[]{"ItemImage", "ItemText"},
    
                    //ImageItem的XML文件里面的一个ImageView,两个TextView ID
                    new int[]{R.id.ItemImage, R.id.ItemText});
            //添加并且显示
            gridview.setAdapter(saImageItems);
            //添加消息处理
            gridview.setOnItemClickListener(new ItemClickListener());
        }
    
        //当AdapterView被单击(触摸屏或者键盘),则返回的Item单击事件
    
        class ItemClickListener implements OnItemClickListener {
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
                HashMap<String, Object> item = (HashMap<String, Object>) arg0.getItemAtPosition(arg2);
                //显示所选Item的ItemText
                setTitle((String) item.get("ItemText"));
            }
        }
    
    
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            // Inflate the menu; this adds items to the action bar if it is present.
            getMenuInflater().inflate(R.menu.menu_main, menu);
            return true;
        }
    
        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
            // Handle action bar item clicks here. The action bar will
            // automatically handle clicks on the Home/Up button, so long
            // as you specify a parent activity in AndroidManifest.xml.
            int id = item.getItemId();
    
            //noinspection SimplifiableIfStatement
            if (id == R.id.action_settings) {
                return true;
            }
    
            return super.onOptionsItemSelected(item);
        }
    }
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  • 原文地址:https://www.cnblogs.com/gisoracle/p/5212433.html
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