实例介绍
【实例简介】
【实例截图】

【核心代码】
package com.example.gridviewactivity;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.Toast;
public class MainActivity extends Activity {
private LinearLayout linear01;
private LinearLayout linear02;
private List<Map<String, Object>> listView;
private int next = 0;
private ViewPager adViewPager;
private AdPageAdapter adapter;
private ImageView[] imageViews;
private ImageView imageView;
private AtomicInteger atomicInteger = new AtomicInteger(0);
private boolean isContinue = true;
private List<View> gridViewlist = new ArrayList<View>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
}
private void initView() {
linear01 = (LinearLayout) findViewById(R.id.view_pager_content);
linear02 = (LinearLayout) findViewById(R.id.viewGroup);
listView = new ArrayList<Map<String, Object>>();
// 创建ViewPager
adViewPager = new ViewPager(this);
DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
// 设置属性
adViewPager.setLayoutParams(new LayoutParams(dm.widthPixels, dm.heightPixels));
linear01.addView(adViewPager);
getView();
initCirclePoint();
// 将GridView添加到ViewPager显示
adViewPager.setAdapter(adapter);
adViewPager.setOnPageChangeListener(new AdPageChangeListener());
for (int i = 0; i < gridViewlist.size(); i ) {
GridView view = (GridView) gridViewlist.get(i);
view.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Map<String, Object> item = (Map<String, Object>) parent.getItemAtPosition(position);
Toast.makeText(getApplicationContext(), item.get("image").toString(), 0).show();
}
});
}
}
private final class AdPageChangeListener implements OnPageChangeListener {
@Override
public void onPageScrollStateChanged(int arg0) {
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
@Override
public void onPageSelected(int arg0) {
atomicInteger.getAndSet(arg0);
for (int i = 0; i < imageViews.length; i ) {
imageViews[arg0].setBackgroundResource(R.drawable.point_focused);
if (arg0 != i) {
imageViews[i].setBackgroundResource(R.drawable.point_unfocused);
}
}
}
}
private void initCirclePoint() {
System.out.println("initCirclePoint()");
imageViews = new ImageView[gridViewlist.size()];
for (int i = 0; i < gridViewlist.size(); i ) {
imageView = new ImageView(this);
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.FILL_PARENT);
layoutParams.setMargins(10, 0, 10, 0);
imageView.setLayoutParams(layoutParams);
imageViews[i] = imageView;
if (i == 0) {
imageViews[i].setBackgroundResource(R.drawable.point_focused);
} else {
imageViews[i].setBackgroundResource(R.drawable.point_unfocused);
}
linear02.addView(imageViews[i]);
}
}
private void getView() {
int[] intView = { R.drawable.one, R.drawable.two, R.drawable.three, R.drawable.four, R.drawable.five,
R.drawable.six, R.drawable.seven, R.drawable.eight, R.drawable.nine, R.drawable.ten, R.drawable.eleven,
R.drawable.twelve, R.drawable.thirteen, R.drawable.fourteen, R.drawable.fifteen, R.drawable.sixteen,
R.drawable.seventeen, R.drawable.sixteen, R.drawable.seventeen, R.drawable.sixteen,
R.drawable.seventeen, R.drawable.sixteen, R.drawable.seventeen, R.drawable.sixteen,
R.drawable.seventeen, R.drawable.sixteen, R.drawable.seventeen, R.drawable.sixteen,
R.drawable.seventeen, R.drawable.sixteen, R.drawable.seventeen, R.drawable.seven, R.drawable.eight,
R.drawable.seven, R.drawable.eight, R.drawable.seven, R.drawable.eight };
for (int i = 0; i < intView.length; i ) {
Map<String, Object> mapView = new HashMap<String, Object>();
mapView.put("image", intView[i]);
listView.add(mapView);
}
getGridView();
}
private void getGridView() {
System.out.println("getGridView" listView.size());
boolean bool = true;
while (bool) {
int result = next 10;
System.out.println("result" result);
if (listView.size() != 0 && result < listView.size()) {
System.out.println("result kkkkkkkkkk" result);
GridView gridView = new GridView(this);
gridView.setNumColumns(5);
List<Map<String, Object>> gridlist = new ArrayList<Map<String, Object>>();
for (int i = next; i < result; i ) {
gridlist.add(listView.get(i));
}
MyAdapter myAdapter = new MyAdapter(gridlist);
gridView.setAdapter(myAdapter);
next = result;
gridViewlist.add(gridView);
} else if (result - listView.size() <= 10) {
List<Map<String, Object>> gridlist = new ArrayList<Map<String, Object>>();
for (int i = next; i < listView.size(); i ) {
gridlist.add(listView.get(i));
}
GridView gridView = new GridView(this);
gridView.setNumColumns(5);
MyAdapter myAdapter = new MyAdapter(gridlist);
gridView.setAdapter(myAdapter);
next = listView.size() - 1;
gridViewlist.add(gridView);
bool = false;
} else {
bool = false;
}
}
adapter = new AdPageAdapter(gridViewlist);
}
private final class AdPageAdapter extends PagerAdapter {
private List<View> views = null;
public AdPageAdapter(List<View> views) {
this.views = views;
}
@Override
public void destroyItem(View container, int position, Object object) {
((ViewPager) container).removeView(views.get(position));
}
@Override
public int getCount() {
return views.size();
}
@Override
public Object instantiateItem(View container, final int position) {
((ViewPager) container).addView(views.get(position), 0);
return views.get(position);
}
@Override
public boolean isViewFromObject(View view, Object object) {
return view == object;
}
}
private class MyAdapter extends BaseAdapter {
List<Map<String, Object>> listgrid;
private MyAdapter(List<Map<String, Object>> listgrid) {
this.listgrid = listgrid;
}
@Override
public int getCount() {
return listgrid.size();
}
@Override
public Object getItem(int position) {
return listgrid.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
convertView = getLayoutInflater().inflate(R.layout.grid_view_item, null);
ImageView getViewLinear = (ImageView) convertView.findViewById(R.id.getViewLinear);
getViewLinear.setBackgroundResource(Integer.parseInt(listgrid.get(position).get("image").toString()));
return convertView;
}
}
}
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