无限轮播图+pulltorefresh+侧滑
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drawable/select.xml
<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android"> <solid android:color="#0af" /> <corners android:radius="5dp" /> <size android:width="10dp" android:height="10dp" /></shape>
drawable/select_no.xml
<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android"> <solid android:color="#000" /> <corners android:radius="5dp" /> <size android:width="10dp" android:height="10dp" /></shape>
activity_main.xml
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" android:layout_width="match_parent" android:layout_height="match_parent"> <android.support.v4.view.ViewPager android:id="@+id/vp" android:layout_width="match_parent" android:layout_height="match_parent"></android.support.v4.view.ViewPager> <Button android:id="@+id/jrxt" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_alignParentRight="true" android:text="进入系统" /> <LinearLayout android:id="@+id/line" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBottom="@+id/vp" android:layout_centerHorizontal="true" android:layout_marginBottom="20dp" android:orientation="horizontal"></LinearLayout></RelativeLayout>
main2.xml
<?xml version="1.0" encoding="utf-8"?><android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <com.handmark.pulltorefresh.library.PullToRefreshListView xmlns:ptr="http://schemas.android.com/apk/res-auto" android:id="@+id/refresh_list_view" android:layout_width="match_parent" android:layout_height="match_parent" ptr:ptrAnimationStyle="flip" ptr:ptrDrawable="@drawable/default_ptr_flip" ptr:ptrHeaderBackground="#383838" ptr:ptrHeaderTextColor="#FFFFFF" /> </LinearLayout> <LinearLayout android:id="@+id/line" android:layout_width="200dp" android:layout_height="match_parent" android:layout_gravity="start" android:background="#000" android:orientation="vertical"> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal"> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@mipmap/ic_launcher" /> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@mipmap/ic_launcher" /> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@mipmap/ic_launcher" /> </LinearLayout> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="关闭侧滑栏" android:textColor="#fff" android:textSize="40dp" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="关闭侧滑栏" android:textColor="#fff" android:textSize="40dp" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="关闭侧滑栏" android:textColor="#fff" android:textSize="40dp" /> </LinearLayout></android.support.v4.widget.DrawerLayout>
MainActivity
import android.content.Intent;import android.os.AsyncTask;import android.os.Handler;import android.os.Message;import android.support.v4.view.PagerAdapter;import android.support.v4.view.ViewPager;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.MotionEvent;import android.view.View;import android.view.ViewGroup;import android.widget.Button;import android.widget.ImageView;import android.widget.LinearLayout;import com.google.gson.Gson;import com.nostra13.universalimageloader.core.ImageLoader;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.URL;import java.util.ArrayList;import java.util.List;public class MainActivity extends AppCompatActivity { private ViewPager vp; private List<Bean.ResultBean.DataBean> list; private List<ImageView> data = new ArrayList<>(); private String path = "http://apis.juhe.cn/cook/query?key=ab2da3f9abd4556dfd68086a66ffc4a8&menu=%E8%A5%BF%E7%BA%A2%E6%9F%BF&rn=10&pn=3"; private Handler handler = new Handler() { @Override public void handleMessage(Message msg) { super.handleMessage(msg); if (msg.what == 0) { int currentItem = vp.getCurrentItem(); vp.setCurrentItem(currentItem + 1); handler.sendEmptyMessageDelayed(0, 2000); } } }; private LinearLayout line; private List<ImageView> imageViews; private Button jrxt; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); vp = (ViewPager) findViewById(R.id.vp); line = (LinearLayout) findViewById(R.id.line); jrxt = (Button) findViewById(R.id.jrxt); jrxt.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent = new Intent(MainActivity.this, Main2.class); startActivity(intent); } }); new My().execute(); } class My extends AsyncTask { @Override protected Object doInBackground(Object[] objects) { String string = ""; try { URL url = new URL(path); HttpURLConnection con = (HttpURLConnection) url.openConnection(); int code = con.getResponseCode(); if (code == 200) { InputStream is = con.getInputStream(); byte[] b = new byte[1024]; int l = 0; while ((l = is.read(b)) != -1) { String str = new String(b, 0, l); string += str; } } } catch (Exception e) { e.printStackTrace(); } return string; } @Override protected void onPostExecute(Object o) { super.onPostExecute(o); Gson gson = new Gson(); list = gson.fromJson((String) o, Bean.class).getResult().getData(); for (int i = 0; i < list.size(); i++) { ImageView imageView = new ImageView(MainActivity.this); ImageLoader.getInstance().displayImage(list.get(i).getAlbums().get(0), imageView); data.add(imageView); } initDoc(); ImgAdapter imgAdapter = new ImgAdapter(); vp.setAdapter(imgAdapter); vp.setCurrentItem(data.size() * 10000); handler.sendEmptyMessageDelayed(0, 2000); vp.setOnPageChangeListener(new ViewPager.OnPageChangeListener() { @Override public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { } @Override public void onPageSelected(int position) { for (int i = 0; i < imageViews.size(); i++) { if (i == position % imageViews.size()) { imageViews.get(i).setImageResource(R.drawable.select); } else { imageViews.get(i).setImageResource(R.drawable.select_no); } } } @Override public void onPageScrollStateChanged(int state) { } }); } } private void initDoc() { imageViews = new ArrayList<>(); line.removeAllViews(); for (int i = 0; i < list.size(); i++) { ImageView imageView = new ImageView(MainActivity.this); if (i == 0) { imageView.setImageResource(R.drawable.select); } else { imageView.setImageResource(R.drawable.select_no); } imageViews.add(imageView); LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT); params.setMargins(5, 0, 5, 0); line.addView(imageView, params); } } class ImgAdapter extends PagerAdapter { @Override public int getCount() { return Integer.MAX_VALUE; } @Override public boolean isViewFromObject(View view, Object object) { return view == object; } @Override public Object instantiateItem(ViewGroup container, int position) { ImageView imageView = data.get(position % data.size()); imageView.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View view, MotionEvent motionEvent) { boolean isTZ = true; switch (motionEvent.getAction()) { case MotionEvent.ACTION_DOWN://按下 handler.removeCallbacksAndMessages(null); break; case MotionEvent.ACTION_MOVE://移动 isTZ = false; handler.removeCallbacksAndMessages(null); break; case MotionEvent.ACTION_CANCEL://取消 isTZ = false; handler.sendEmptyMessageDelayed(0, 2000); break; case MotionEvent.ACTION_UP://抬起 handler.sendEmptyMessageDelayed(0, 2000); break; } return true; } }); container.addView(imageView); return imageView; } @Override public void destroyItem(ViewGroup container, int position, Object object) { container.removeView((View) object); } }}
Main2
import android.os.AsyncTask;import android.os.Bundle;import android.support.v4.widget.DrawerLayout;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.ListView;import android.widget.TextView;import com.google.gson.Gson;import com.handmark.pulltorefresh.library.ILoadingLayout;import com.handmark.pulltorefresh.library.PullToRefreshBase;import com.handmark.pulltorefresh.library.PullToRefreshListView;import com.nostra13.universalimageloader.core.ImageLoader;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.URL;import java.util.List;public class Main2 extends AppCompatActivity { private PullToRefreshListView refreshListView; private MyAdapter adapter; private ILoadingLayout startLabels; private ILoadingLayout endLabels; private int page = 10; private List<Bean.ResultBean.DataBean> data; private DrawerLayout drawerLayout; private LinearLayout line; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main2); refreshListView = (PullToRefreshListView) findViewById(R.id.refresh_list_view); drawerLayout = (DrawerLayout) findViewById(R.id.activity_main); line = (LinearLayout) findViewById(R.id.line); //获取数据,,,设置适配器 new My().execute(); //设置刷新时显示的刷新状态 /**设置pullToRefreshListView的刷新模式，BOTH代表支持上拉和下拉， PULL_FROM_END代表上拉,PULL_FROM_START代表下拉 */ refreshListView.setMode(PullToRefreshBase.Mode.BOTH); /** * 设置下拉和上拉的时候显示的文字 */ //通过getLoadingLayoutProxy 方法来指定上拉和下拉时显示的文字的区别，第一个true 代表下来状态 ，第二个true 代表上拉的状态 startLabels = refreshListView.getLoadingLayoutProxy(true, false); startLabels.setPullLabel("下拉刷新"); startLabels.setRefreshingLabel("正在刷新..."); startLabels.setReleaseLabel("放开刷新"); endLabels = refreshListView.getLoadingLayoutProxy(false, true); endLabels.setPullLabel("上拉刷新"); endLabels.setRefreshingLabel("正在载入..."); endLabels.setReleaseLabel("放开刷新..."); //设置上拉下拉的监听事件 /** * 当然也可以设置为OnRefreshListener2，但是Mode.PULL_FROM_START的时候只 * 调用onPullDownToRefresh()方法， * Mode.PULL_FROM_END的时候只调用onPullUpToRefresh()方法. */ refreshListView.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() { //下拉的时候调用 @Override public void onPullDownToRefresh(final PullToRefreshBase<ListView> refreshView) { //加载数据(异步的操作)....数据完成之后,取消刷新 //执行onRefreshComplete();方法必须在异步下执行，不能和主进程一起执行 page--; new My().execute(); } //上拉的时候调用 @Override public void onPullUpToRefresh(final PullToRefreshBase<ListView> refreshView) { page++; new My().execute(); } }); } class My extends AsyncTask { @Override protected Object doInBackground(Object[] objects) { String string = ""; String path = "http://apis.juhe.cn/cook/query?key=ab2da3f9abd4556dfd68086a66ffc4a8&menu=%E8%A5%BF%E7%BA%A2%E6%9F%BF&rn=10&pn=" + page; try { URL url = new URL(path); HttpURLConnection con = (HttpURLConnection) url.openConnection(); int code = con.getResponseCode(); if (code == 200) { InputStream is = con.getInputStream(); byte[] b = new byte[1024]; int l = 0; while ((l = is.read(b)) != -1) { String str = new String(b, 0, l); string += str; } } } catch (Exception e) { e.printStackTrace(); } return string; } @Override protected void onPostExecute(Object o) { super.onPostExecute(o); Gson gson = new Gson(); Bean bean = gson.fromJson((String) o, Bean.class); data = bean.getResult().getData(); if (adapter == null) { adapter = new MyAdapter(); refreshListView.setAdapter(adapter); } else { adapter.notifyDataSetChanged(); } refreshListView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) { drawerLayout.openDrawer(line); } }); refreshListView.onRefreshComplete(); } } class MyAdapter extends BaseAdapter { @Override public int getCount() { return data.size(); } @Override public Object getItem(int i) { return data.get(i); } @Override public long getItemId(int i) { return i ; } @Override public View getView(int i, View view, ViewGroup viewGroup) { Hand hand; if (view == null) { view = View.inflate(Main2.this, R.layout.item, null); hand = new Hand(); hand.te1 = view.findViewById(R.id.te1); hand.te2 = view.findViewById(R.id.te2); hand.te3 = view.findViewById(R.id.te3); hand.img = view.findViewById(R.id.img); view.setTag(hand); } else { hand = (Hand) view.getTag(); } hand.te1.setText(data.get(i).getTitle()); hand.te2.setText(data.get(i).getIngredients()); hand.te3.setText(data.get(i).getBurden()); String url = data.get(i).getAlbums().get(0); ImageLoader il = ImageLoader.getInstance(); il.displayImage(url, hand.img); return view; } } class Hand { ImageView img; TextView te1, te2, te3; }}
ImageLoaderUtil
import android.content.Context;import android.graphics.Bitmap;import android.os.Environment;import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiscCache;import com.nostra13.universalimageloader.cache.disc.naming.HashCodeFileNameGenerator;import com.nostra13.universalimageloader.cache.memory.impl.LruMemoryCache;import com.nostra13.universalimageloader.core.DisplayImageOptions;import com.nostra13.universalimageloader.core.ImageLoader;import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;import com.nostra13.universalimageloader.core.assist.ImageScaleType;import com.nostra13.universalimageloader.core.assist.QueueProcessingType;import com.nostra13.universalimageloader.core.decode.BaseImageDecoder;import com.nostra13.universalimageloader.core.download.BaseImageDownloader;import java.io.File;/** * @author Dash * @date 2017/9/11 * @description: */public class ImageLoaderUtil { /** * 配置的方法 * @param context */ public static void initConfig(Context context) { File cacheDir = new File(Environment.getExternalStorageDirectory(),"/image"); //缓存文件夹路径 if (!cacheDir.exists()){ cacheDir.mkdirs(); } ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(context) .threadPoolSize(3) .threadPriority(Thread.NORM_PRIORITY - 2) // default 设置当前线程的优先级 .tasksProcessingOrder(QueueProcessingType.FIFO) // default .denyCacheImageMultipleSizesInMemory() .memoryCache(new LruMemoryCache(2 * 1024 * 1024)) //可以通过自己的内存缓存实现 .memoryCacheSize(2 * 1024 * 1024) // 内存缓存的最大值 .memoryCacheSizePercentage(13) // default .diskCache(new UnlimitedDiscCache(cacheDir)) // default 可以自定义缓存路径 // .diskCache(new UnlimitedDiskCache(cacheDir)) // default 可以自定义缓存路径 .diskCacheSize(50 * 1024 * 1024) // 50 Mb sd卡(本地)缓存的最大值 .diskCacheFileCount(100) // 可以缓存的文件数量 // default为使用HASHCODE对UIL进行加密命名， 还可以用MD5(new Md5FileNameGenerator())加密 .diskCacheFileNameGenerator(new HashCodeFileNameGenerator()) .imageDownloader(new BaseImageDownloader(context)) // default .imageDecoder(new BaseImageDecoder(true)) // default .defaultDisplayImageOptions(DisplayImageOptions.createSimple()) // default .writeDebugLogs() // 打印debug log .build(); //开始构建 ImageLoader.getInstance().init(config); } public static DisplayImageOptions getOption() { DisplayImageOptions options = new DisplayImageOptions.Builder() .showImageOnLoading(R.mipmap.ic_launcher) // 设置图片下载期间显示的图片 .showImageForEmptyUri(R.mipmap.ic_launcher) // 设置图片Uri为空或是错误的时候显示的图片 .showImageOnFail(R.mipmap.ic_launcher) // 设置图片加载或解码过程中发生错误显示的图片 .resetViewBeforeLoading(true) // default 设置图片在加载前是否重置、复位 .delayBeforeLoading(1000) // 下载前的延迟时间 .cacheInMemory(true) // default 设置下载的图片是否缓存在内存中 .cacheOnDisk(true) // default 设置下载的图片是否缓存在SD卡中 .imageScaleType(ImageScaleType.EXACTLY_STRETCHED) // default 设置图片以如何的编码方式显示 .bitmapConfig(Bitmap.Config.RGB_565) // default 设置图片的解码类型 .build(); return options; }}
Myapp
import android.app.Application;/** * Created by lenovo on 2017/09/19. */public class Myapp extends Application{ @Override public void onCreate() { super.onCreate(); ImageLoaderUtil.initConfig(this); }}
<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="fragment.bwie.com.lx0919"> <uses-permission android:name="android.permission.INTERNET" /> <application android:name=".Myapp" android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:supportsRtl="true" android:theme="@style/AppTheme"> <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".Main2"/> </application></manifest>
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