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Android学习笔记之控件GridView
1.xml布局文件
main.xml
1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:layout_width="match_parent" 4 android:layout_height="match_parent" 5 android:orientation="vertical" > 6 7 <GridView 8 android:id="@+id/girdView1" 9 android:numColumns="2"10 android:verticalSpacing="10dp"11 android:horizontalSpacing="10dp"12 android:layout_width="wrap_content"13 android:layout_height="wrap_content">14 </GridView>15 16 <!--17 android:numColumns //列数18 android:verticalSpacing //两行之间的距离19 android:horizontalSpacing //两列之间的距离20 -->21 22 </LinearLayout>
item.xml
1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:layout_width="match_parent" 4 android:layout_height="match_parent" 5 android:orientation="vertical" 6 android:gravity="center" > 7 8 <ImageView 9 android:id="@+id/imageView1"10 android:layout_width="60dp"11 android:layout_height="60dp"12 android:src="@drawable/a"/>13 14 <TextView 15 android:id="@+id/textView1"16 android:layout_marginTop="5dp"17 android:layout_width="wrap_content"18 android:layout_height="wrap_content"19 android:textSize="15sp"20 android:text="阿森纳"/>21 22 23 </LinearLayout>
2.java代码
1 public class MainActivity extends ActionBarActivity implements OnItemClickListener { 2 3 private GridView gv1; 4 private List<Map<String,Object>> dataList; 5 private int[] pic = {R.drawable.a,R.drawable.l,R.drawable.m,R.drawable.q}; 6 private String[] name = {"阿森纳","利物浦","曼联","切尔西"}; 7 private SimpleAdapter sa; 8 9 @Override10 protected void onCreate(Bundle savedInstanceState) {11 super.onCreate(savedInstanceState);12 setContentView(R.layout.main);13 14 gv1 = (GridView) findViewById(R.id.girdView1);15 //初始化16 dataList = new ArrayList<Map<String,Object>>();17 18 //1.准备数据源19 //2.新建适配器(SimpleAdapter)20 //3.GridView加载适配器21 //4.GridView配置时间监听器(onItemClickListener)22 23 sa = new SimpleAdapter(this, getData(),R.layout.item ,new String[]{"pic","name"}, new int[]{R.id.imageView1,R.id.textView1});24 gv1.setAdapter(sa);25 gv1.setOnItemClickListener(this);26 27 28 29 }30 private List<Map<String,Object>> getData() {31 for(int i =0;i<pic.length;i++){32 Map<String,Object> map = new HashMap<String, Object>();33 map.put("pic", pic[i]);34 map.put("name", name[i]);35 dataList.add(map);36 }37 return dataList;38 }39 @Override40 public void onItemClick(AdapterView<?> parent, View view, int position,41 long id) {42 // TODO Auto-generated method stub43 Toast.makeText(this, "我是"+name[position], Toast.LENGTH_SHORT).show();44 } 45 }
Android学习笔记之控件GridView
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