android ViewPager嵌套GridView

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;
        }
    }
}

标签： GridView Viewpager

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