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[操作系统]andriod 支付宝类似界面图片加文字


<??><GridView  ="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.

<??><RelativeLayout  ="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//动态数组与ImageItem对应的子项        new String[]{"ItemImage", "ItemText"},        //ImageItem的        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.    int id = item.getItemId();    //noinspection SimplifiableIfStatement    if (id == R.id.action_settings) {      return true;    }    return super.onOptionsItemSelected(item);  }}