Android用户界面UI组件--AdapterView及其子类(四) GridView
16lz
2021-01-23
GridView常用的XML属性:
android:columnWidth
设置列的宽度.
android:horizontalSpacing
两列之间的间距.
android:numColumns
设置列数.可以为具体数字,也可以为auto_fit 表示自动适应
android:stretchMode
缩放模式
android:verticalSpacing
两行之间的间距
例子:
<?xml version="1.0" encoding="utf-8"?>
package com.light.android.study;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.content.Context;import android.os.Bundle;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.view.Window;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.BaseAdapter;import android.widget.GridView;import android.widget.ImageView;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends Activity {private GridView gridView; //图片的文字标题 private String[] titles = new String[] { "pic1", "pic2", "pic3", "pic4", "pic5", "pic6", "pic7", "pic8", "pic9"}; //图片ID数组 private int[] images = new int[]{ R.drawable.gallery_photo_1, R.drawable.gallery_photo_2, R.drawable.gallery_photo_3, R.drawable.gallery_photo_4, R.drawable.gallery_photo_5, R.drawable.gallery_photo_6, R.drawable.photo1, R.drawable.photo2, R.drawable.photo3 }; @Override public void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_main); gridView = (GridView) findViewById(R.id.gridview); PictureAdapter adapter = new PictureAdapter(titles, images, this); gridView.setAdapter(adapter); //點擊事件 gridView.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View v, int position, long id) { Toast.makeText(MainActivity.this, "pic" + (position+1), Toast.LENGTH_SHORT).show(); } }); } //自定义适配器 class PictureAdapter extends BaseAdapter{ private LayoutInflater inflater; private List
知识点:
GridView中的item实现自适应正方形
http://yunfeng.sinaapp.com/?p=465
http://yunfeng.sinaapp.com/?p=466
转载于:https://www.cnblogs.com/krislight1105/p/3748366.html
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