<?xml version="1.0" encoding="UTF-8"?> <GridView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/grid_view" android:layout_width="fill_parent" android:layout_height="fill_parent" android:columnWidth="90dp" android:gravity="center" android:horizontalSpacing="10dp" android:numColumns="auto_fit" android:stretchMode="columnWidth" android:verticalSpacing="10dp"> </GridView>
package com.example.yanlei.mytk; import android.content.Context; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.GridView; import android.widget.ImageView; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); setTitle("网络视图控件GridView!"); GridView gridView=(GridView)findViewById(R.id.grid_view); gridView.setAdapter(new ImageAdapter(this)); } public class ImageAdapter extends BaseAdapter{ private Context mContext; public ImageAdapter(Context context){ mContext=context; } @Override public int getCount() { // TODO Auto-generated method stub return mImageIds.length; } @Override public Object getItem(int position) { // TODO Auto-generated method stub return null; } @Override public long getItemId(int position) { // TODO Auto-generated method stub return 0; } @Override public View getView(int position, View convertView, ViewGroup parent) { ImageView imageView; if(convertView==null){ imageView=new ImageView(mContext); imageView.setLayoutParams(new GridView.LayoutParams(85,85)); imageView.setScaleType(ImageView.ScaleType.CENTER_CROP); imageView.setPadding(8, 8, 8, 8); }else{ imageView=(ImageView)convertView; } imageView.setImageResource(mImageIds[position]); return imageView; } } private Integer[] mImageIds = { R.drawable.sample_0, R.drawable.sample_1, R.drawable.sample_2, R.drawable.sample_3, R.drawable.sample_4, R.drawable.sample_5, R.drawable.sample_6, R.drawable.sample_7,R.drawable.sample_8, R.drawable.sample_9,R.drawable.sample_10,R.drawable.sample_11}; }