GridView
来源：互联网 发布：win8动态壁纸软件 编辑：程序博客网 时间：2024/06/18 09:59
//main
import android.os.Handler;import android.os.Message;import android.support.v4.view.ViewPager;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.GridView;import com.example.grideview.Utis.MyTask;import com.example.grideview.adapter.GvAdapter;import com.example.grideview.adapter.VpAdapter;import com.example.grideview.bean.ResultBean;import com.google.gson.Gson;import java.util.List;public class MainActivity extends AppCompatActivity { private ViewPager vp; private GridView gv; private int index=0; private List<ResultBean.DataBean.EssayBean> essay; private Handler handler=new Handler(){ @Override public void handleMessage(Message msg) { index++; vp.setCurrentItem(index); handler.sendEmptyMessageDelayed(1,2000); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); vp = (ViewPager) findViewById(R.id.vp); gv = (GridView) findViewById(R.id.grid_view); MyTask myTask=new MyTask(new MyTask.Icallbacks() { @Override public void updateUiByjson(String jsonstr) { Gson gson=new Gson(); ResultBean resultBean = gson.fromJson(jsonstr, ResultBean.class); ResultBean.DataBean data = resultBean.getData(); essay= data.getEssay(); vp.setAdapter(new VpAdapter(essay,MainActivity.this)); vp.setCurrentItem(index); gv.setAdapter(new GvAdapter(essay,MainActivity.this)); } }); myTask.execute("http://v3.wufazhuce.com:8000/api/reading/index/?version=3.5.0&platform=android"); handler.sendEmptyMessageDelayed(1,2000); }}
//适配GvAdapter
public class GvAdapter extends BaseAdapter{ private List<ResultBean.DataBean.EssayBean> list; private Context context; public GvAdapter(List<ResultBean.DataBean.EssayBean> list, Context context) { this.list = list; this.context = context; } @Override public int getCount() { return list.size(); } @Override public Object getItem(int position) { return list.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder; if(convertView==null){ convertView= View.inflate(context, R.layout.item_gv, null); holder=new ViewHolder(); holder.imageView= (ImageView) convertView.findViewById(R.id.img_gv); holder.textView= (TextView) convertView.findViewById(R.id.text_gv); convertView.setTag(holder); }else{ holder= (ViewHolder) convertView.getTag(); } holder.textView.setText(list.get(position).getAuthor().get(0).getUser_name()); ImageLoader.getInstance().displayImage(list.get(position%list.size()).getAuthor().get(0).getWeb_url(),holder.imageView, ImageloaderUtil.getImageOptions()); return convertView; } class ViewHolder{ ImageView imageView; TextView textView; }}
//适配器VpageAdapterpublic class VpAdapter extends PagerAdapter { private List<ResultBean.DataBean.EssayBean> list; private Context context; public VpAdapter(List<ResultBean.DataBean.EssayBean> list, Context context) { this.list = list; this.context = context; } @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=new ImageView(context); imageView.setScaleType(ImageView.ScaleType.FIT_XY); ImageLoader.getInstance().displayImage(list.get(position%list.size()).getAuthor().get(0).getWeb_url(),imageView, ImageloaderUtil.getImageOptions()); container.addView(imageView); return imageView; } @Override public void destroyItem(ViewGroup container, int position, Object object) { container.removeView((View) object); }}
Bean包解析的数据
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setSerial(List<SerialBean> serial) { this.serial = serial; } public List<QuestionBean> getQuestion() { return question; } public void setQuestion(List<QuestionBean> question) { this.question = question; } public static class EssayBean { /** * content_id : 2863 * hp_title : 冬日恶狠狠清单 * hp_makettime : 2017-10-18 06:00:00 * guide_word : 生活里一切都很好，只是我的内心仍有风暴肆虐。 * start_video : * author : [{"user_id":"4813757","user_name":"苏更生","desc":"「一个」App常驻作家，微信公众号：hulizhai","wb_name":"@假苏更生","is_settled":"0","settled_type":"0","summary":"「一个」App常驻作家，微信公众号：hulizhai","fans_total":"17026","web_url":"http://image.wufazhuce.com/Fg_e6teZsb3lZ1QStYtdnAkh6bO8"}] * has_audio : false * author_list : [{"user_id":"4813757","user_name":"苏更生","desc":"「一个」App常驻作家，微信公众号：hulizhai","wb_name":"@假苏更生","is_settled":"0","settled_type":"0","summary":"「一个」App常驻作家，微信公众号：hulizhai","fans_total":"17026","web_url":"http://image.wufazhuce.com/Fg_e6teZsb3lZ1QStYtdnAkh6bO8"}] */ private String content_id; private String hp_title; private String hp_makettime; private String guide_word; private String start_video; private boolean has_audio; private List<AuthorBean> author; private List<AuthorListBean> author_list; public String getContent_id() { return content_id; } public void setContent_id(String content_id) { this.content_id = content_id; } public String getHp_title() { return hp_title; } public void setHp_title(String hp_title) { this.hp_title = hp_title; } public String getHp_makettime() { return hp_makettime; } public void setHp_makettime(String hp_makettime) { this.hp_makettime = hp_makettime; } public String getGuide_word() { return guide_word; } public void setGuide_word(String guide_word) { this.guide_word = guide_word; } public String getStart_video() { return start_video; } public void setStart_video(String start_video) { this.start_video = start_video; } public boolean isHas_audio() { return has_audio; } public void setHas_audio(boolean has_audio) { this.has_audio = has_audio; } public List<AuthorBean> getAuthor() { return author; } public void setAuthor(List<AuthorBean> author) { this.author = author; } public List<AuthorListBean> getAuthor_list() { return author_list; } public void setAuthor_list(List<AuthorListBean> author_list) { this.author_list = author_list; } public static class AuthorBean { /** * user_id : 4813757 * user_name : 苏更生 * desc : 「一个」App常驻作家，微信公众号：hulizhai * wb_name : @假苏更生 * is_settled : 0 * settled_type : 0 * summary : 「一个」App常驻作家，微信公众号：hulizhai * fans_total : 17026 * web_url : http://image.wufazhuce.com/Fg_e6teZsb3lZ1QStYtdnAkh6bO8 */ private String user_id; private String user_name; private String desc; private String wb_name; private String is_settled; private String settled_type; private String summary; private String fans_total; private String web_url; public String getUser_id() { return user_id; } public void setUser_id(String user_id) { this.user_id = user_id; } public String getUser_name() { return user_name; } public void setUser_name(String user_name) { this.user_name = user_name; } public String getDesc() { return desc; } public void setDesc(String desc) { this.desc = desc; } public String getWb_name() { return wb_name; } public void setWb_name(String wb_name) { this.wb_name = wb_name; } public String getIs_settled() { return is_settled; } public void setIs_settled(String is_settled) { this.is_settled = is_settled; } public String getSettled_type() { return settled_type; } public void setSettled_type(String settled_type) { this.settled_type = settled_type; } public String getSummary() { return summary; } public void setSummary(String summary) { this.summary = summary; } public String getFans_total() { return fans_total; } public void setFans_total(String fans_total) { this.fans_total = fans_total; } public String getWeb_url() { return web_url; } public void setWeb_url(String web_url) { this.web_url = web_url; } } public static class AuthorListBean { /** * user_id : 4813757 * user_name : 苏更生 * desc : 「一个」App常驻作家，微信公众号：hulizhai * wb_name : @假苏更生 * is_settled : 0 * settled_type : 0 * summary : 「一个」App常驻作家，微信公众号：hulizhai * fans_total : 17026 * web_url : http://image.wufazhuce.com/Fg_e6teZsb3lZ1QStYtdnAkh6bO8 */ private String user_id; private String user_name; private String desc; private String wb_name; private String is_settled; private String settled_type; private String summary; private String fans_total; private String web_url; public String getUser_id() { return user_id; } public void setUser_id(String user_id) { this.user_id = user_id; } public String getUser_name() { return user_name; } public void setUser_name(String user_name) { this.user_name = user_name; } public String getDesc() { return desc; } public void setDesc(String desc) { this.desc = desc; } public String getWb_name() { return wb_name; } public void setWb_name(String wb_name) { this.wb_name = wb_name; } public String getIs_settled() { return is_settled; } public void setIs_settled(String is_settled) { this.is_settled = is_settled; } public String getSettled_type() { return settled_type; } public void setSettled_type(String settled_type) { this.settled_type = settled_type; } public String getSummary() { return summary; } public void setSummary(String summary) { this.summary = summary; } public String getFans_total() { return fans_total; } public void setFans_total(String fans_total) { this.fans_total = fans_total; } public String getWeb_url() { return web_url; } public void setWeb_url(String web_url) { this.web_url = web_url; } } } public static class SerialBean { /** * id : 452 * serial_id : 49 * number : 10 * title : 我在三十岁的第一年 II · 第十话 * excerpt : 人生就是一场大型错位。 * read_num : 21400 * maketime : 2017-10-18 06:00:00 * start_video : * author : {"user_id":"4808838","user_name":"毛利","desc":"毛利，专栏作家。《我在三十岁的第一年》即将上市。","wb_name":"@毛利","is_settled":"0","settled_type":"0","summary":"专栏作家。","fans_total":"8096","web_url":"http://image.wufazhuce.com/Fl3AgUQb4i6WocmORrnhMPkcDkV4"} * has_audio : false * author_list : [{"user_id":"4808838","user_name":"毛利","desc":"毛利，专栏作家。《我在三十岁的第一年》即将上市。","wb_name":"@毛利","is_settled":"0","settled_type":"0","summary":"专栏作家。","fans_total":"8096","web_url":"http://image.wufazhuce.com/Fl3AgUQb4i6WocmORrnhMPkcDkV4"}] * serial_list : ["428","429","433","436","440","442","448","449","450","452"] */ private String id; private String serial_id; private String number; private String title; private String excerpt; private String read_num; private String maketime; private String start_video; private AuthorBeanX author; private boolean has_audio; private List<AuthorListBeanX> author_list; private List<String> serial_list; public String getId() { return id; } public void setId(String id) { this.id = id; } public String getSerial_id() { return serial_id; } public void setSerial_id(String serial_id) { this.serial_id = serial_id; } public String getNumber() { return number; } public void setNumber(String number) { this.number = number; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getExcerpt() { return excerpt; } public void setExcerpt(String excerpt) { this.excerpt = excerpt; } public String getRead_num() { return read_num; } public void setRead_num(String read_num) { this.read_num = read_num; } public String getMaketime() { return maketime; } public void setMaketime(String maketime) { this.maketime = maketime; } public String getStart_video() { return start_video; } public void setStart_video(String start_video) { this.start_video = start_video; } public AuthorBeanX getAuthor() { return author; } public void setAuthor(AuthorBeanX author) { this.author = author; } public boolean isHas_audio() { return has_audio; } public void setHas_audio(boolean has_audio) { this.has_audio = has_audio; } public List<AuthorListBeanX> getAuthor_list() { return author_list; } public void setAuthor_list(List<AuthorListBeanX> author_list) { this.author_list = author_list; } public List<String> getSerial_list() { return serial_list; } public void setSerial_list(List<String> serial_list) { this.serial_list = serial_list; } public static class AuthorBeanX { /** * user_id : 4808838 * user_name : 毛利 * desc : 毛利，专栏作家。《我在三十岁的第一年》即将上市。 * wb_name : @毛利 * is_settled : 0 * settled_type : 0 * summary : 专栏作家。 * fans_total : 8096 * web_url : http://image.wufazhuce.com/Fl3AgUQb4i6WocmORrnhMPkcDkV4 */ private String user_id; private String user_name; private String desc; private String wb_name; private String is_settled; private String settled_type; private String summary; private String fans_total; private String web_url; public String getUser_id() { return user_id; } public void setUser_id(String user_id) { this.user_id = user_id; } public String getUser_name() { return user_name; } public void setUser_name(String user_name) { this.user_name = user_name; } public String getDesc() { return desc; } public void setDesc(String desc) { this.desc = desc; } public String getWb_name() { return wb_name; } public void setWb_name(String wb_name) { this.wb_name = wb_name; } public String getIs_settled() { return is_settled; } public void setIs_settled(String is_settled) { this.is_settled = is_settled; } public String getSettled_type() { return settled_type; } public void setSettled_type(String settled_type) { this.settled_type = settled_type; } public String getSummary() { return summary; } public void setSummary(String summary) { this.summary = summary; } public String getFans_total() { return fans_total; } public void setFans_total(String fans_total) { this.fans_total = fans_total; } public String getWeb_url() { return web_url; } public void setWeb_url(String web_url) { this.web_url = web_url; } } public static class AuthorListBeanX { /** * user_id : 4808838 * user_name : 毛利 * desc : 毛利，专栏作家。《我在三十岁的第一年》即将上市。 * wb_name : @毛利 * is_settled : 0 * settled_type : 0 * summary : 专栏作家。 * fans_total : 8096 * web_url : http://image.wufazhuce.com/Fl3AgUQb4i6WocmORrnhMPkcDkV4 */ private String user_id; private String user_name; private String desc; private String wb_name; private String is_settled; private String settled_type; private String summary; private String fans_total; private String web_url; public String getUser_id() { return user_id; } public void setUser_id(String user_id) { this.user_id = user_id; } public String getUser_name() { return user_name; } public void setUser_name(String user_name) { this.user_name = user_name; } public String getDesc() { return desc; } public void setDesc(String desc) { this.desc = desc; } public String getWb_name() { return wb_name; } public void setWb_name(String wb_name) { this.wb_name = wb_name; } public String getIs_settled() { return is_settled; } public void setIs_settled(String is_settled) { this.is_settled = is_settled; } public String getSettled_type() { return settled_type; } public void setSettled_type(String settled_type) { this.settled_type = settled_type; } public String getSummary() { return summary; } public void setSummary(String summary) { this.summary = summary; } public String getFans_total() { return fans_total; } public void setFans_total(String fans_total) { this.fans_total = fans_total; } public String getWeb_url() { return web_url; } public void setWeb_url(String web_url) { this.web_url = web_url; } } } public static class QuestionBean { /** * question_id : 1886 * question_title : 受邀参加前任婚礼该怎么办？ * answer_title : * answer_content : 当初是你要分开，分开就分开，现在又要用婚礼，来抢我的钱。 * question_makettime : 2017-10-18 06:00:00 * start_video : * author_list : [{"user_id":"0","user_name":"网友","web_url":"http://image.wufazhuce.com/placeholder-author-avatar.png","summary":"","desc":"","is_settled":"","settled_type":"","fans_total":"","wb_name":""}] * asker_list : [{"user_id":"0","user_name":"丰博","web_url":"http://image.wufazhuce.com/placeholder-author-avatar.png","summary":"","desc":"","is_settled":"","settled_type":"","fans_total":"","wb_name":""}] */ private String question_id; private String question_title; private String answer_title; private String answer_content; private String question_makettime; private String start_video; private List<AuthorListBeanXX> author_list; private List<AskerListBean> asker_list; public String getQuestion_id() { return question_id; } public void setQuestion_id(String question_id) { this.question_id = question_id; } public String getQuestion_title() { return question_title; } public void setQuestion_title(String question_title) { this.question_title = question_title; } public String getAnswer_title() { return answer_title; } public void setAnswer_title(String answer_title) { this.answer_title = answer_title; } public String getAnswer_content() { return answer_content; } public void setAnswer_content(String answer_content) { this.answer_content = answer_content; } public String getQuestion_makettime() { return question_makettime; } public void setQuestion_makettime(String question_makettime) { this.question_makettime = question_makettime; } public String getStart_video() { return start_video; } public void setStart_video(String start_video) { this.start_video = start_video; } public List<AuthorListBeanXX> getAuthor_list() { return author_list; } public void setAuthor_list(List<AuthorListBeanXX> author_list) { this.author_list = author_list; } public List<AskerListBean> getAsker_list() { return asker_list; } public void setAsker_list(List<AskerListBean> asker_list) { this.asker_list = asker_list; } public static class AuthorListBeanXX { /** * user_id : 0 * user_name : 网友 * web_url : http://image.wufazhuce.com/placeholder-author-avatar.png * summary : * desc : * is_settled : * settled_type : * fans_total : * wb_name : */ private String user_id; private String user_name; private String web_url; private String summary; private String desc; private String is_settled; private String settled_type; private String fans_total; private String wb_name; public String getUser_id() { return user_id; } public void setUser_id(String user_id) { this.user_id = user_id; } public String getUser_name() { return user_name; } public void setUser_name(String user_name) { this.user_name = user_name; } public String getWeb_url() { return web_url; } public void setWeb_url(String web_url) { this.web_url = web_url; } public String getSummary() { return summary; } public void setSummary(String summary) { this.summary = summary; } public String getDesc() { return desc; } public void setDesc(String desc) { this.desc = desc; } public String getIs_settled() { return is_settled; } public void setIs_settled(String is_settled) { this.is_settled = is_settled; } public String getSettled_type() { return settled_type; } public void setSettled_type(String settled_type) { this.settled_type = settled_type; } public String getFans_total() { return fans_total; } public void setFans_total(String fans_total) { this.fans_total = fans_total; } public String getWb_name() { return wb_name; } public void setWb_name(String wb_name) { this.wb_name = wb_name; } } public static class AskerListBean { /** * user_id : 0 * user_name : 丰博 * web_url : http://image.wufazhuce.com/placeholder-author-avatar.png * summary : * desc : * is_settled : * settled_type : * fans_total : * wb_name : */ private String user_id; private String user_name; private String web_url; private String summary; private String desc; private String is_settled; private String settled_type; private String fans_total; private String wb_name; public String getUser_id() { return user_id; } public void setUser_id(String user_id) { this.user_id = user_id; } public String getUser_name() { return user_name; } public void setUser_name(String user_name) { this.user_name = user_name; } public String getWeb_url() { return web_url; } public void setWeb_url(String web_url) { this.web_url = web_url; } public String getSummary() { return summary; } public void setSummary(String summary) { this.summary = summary; } public String getDesc() { return desc; } public void setDesc(String desc) { this.desc = desc; } public String getIs_settled() { return is_settled; } public void setIs_settled(String is_settled) { this.is_settled = is_settled; } public String getSettled_type() { return settled_type; } public void setSettled_type(String settled_type) { this.settled_type = settled_type; } public String getFans_total() { return fans_total; } public void setFans_total(String fans_total) { this.fans_total = fans_total; } public String getWb_name() { return wb_name; } public void setWb_name(String wb_name) { this.wb_name = wb_name; } } } }}
工具类
public class ImageloaderUtil { /** * ImageLoader的配置 * @param context */ public static void initConfig(Context context) { //配置// File cacheFile=context.getExternalCacheDir(); File cacheFile= new File(Environment.getExternalStorageDirectory()+"/"+"imgages"); ImageLoaderConfiguration config=new ImageLoaderConfiguration.Builder(context) .memoryCacheExtraOptions(480, 800)//缓存图片最大的长和宽 .threadPoolSize(2)//线程池的数量 .threadPriority(4) .memoryCacheSize(2*1024*1024)//设置内存缓存区大小 .diskCacheSize(20*1024*1024)//设置sd卡缓存区大小 .diskCache(new UnlimitedDiskCache(cacheFile))//自定义缓存目录 .writeDebugLogs()//打印日志内容 .diskCacheFileNameGenerator(new Md5FileNameGenerator())//给缓存的文件名进行md5加密处理 .build(); ImageLoader.getInstance().init(config); } /** * 获取图片设置类 * @return */ public static DisplayImageOptions getImageOptions(){ DisplayImageOptions optionsoptions=new DisplayImageOptions.Builder() .cacheInMemory(true)//使用内存缓存 .cacheOnDisk(true)//使用磁盘缓存 .bitmapConfig(Bitmap.Config.RGB_565)//设置图片格式 .build(); return optionsoptions; }}
工具类
public class MyTask extends AsyncTask<String,Void,String> { //申请一个接口类对象 private Icallbacks icallbacks; //将无参构造设置成私有的，使之在外部不能够调用 private MyTask(){} //定义有参构造方法 public MyTask(Icallbacks icallbacks) { this.icallbacks = icallbacks; } @Override protected String doInBackground(String... params) { String str=""; try { //使用HttpUrlConnection URL url=new URL(params[0]); HttpURLConnection connection=(HttpURLConnection) url.openConnection(); connection.setRequestMethod("GET"); connection.setReadTimeout(5000); connection.setConnectTimeout(5000); if(connection.getResponseCode()==200){ InputStream inputStream=connection.getInputStream(); //调用工具类中的静态方法 str=StreamToString.streamToStr(inputStream,"utf-8"); } } catch (MalformedURLException e) { e.printStackTrace(); }catch (IOException e){ e.printStackTrace(); } return str; } @Override protected void onPostExecute(String s) { super.onPostExecute(s); //解析，封装到bean,更新ui组件 icallbacks.updateUiByjson(s); } //定义一个接口 public interface Icallbacks{ /** * 根据回传的json字符串，解析并更新页面组件 * @param jsonstr */ void updateUiByjson(String jsonstr); }}
工具类
public class StreamToString { public static String streamToStr(InputStream inputStream,String chartSet){ StringBuilder builder=new StringBuilder(); try { BufferedReader br=new BufferedReader(new InputStreamReader(inputStream,chartSet)); String con; while ((con=br.readLine())!=null){ builder.append(con); } br.close(); return builder.toString(); } catch (Exception e) { e.printStackTrace(); } return ""; }}
//工具类
public class MyApplication extends Application { @Override public void onCreate() { super.onCreate(); ImageloaderUtil.initConfig(this); }}
//activity-main
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="com.example.grideview.MainActivity"> <RelativeLayout android:layout_width="match_parent" android:layout_height="200dp" > <android.support.v4.view.ViewPager android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/vp" ></android.support.v4.view.ViewPager> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignBottom="@+id/vp" android:orientation="horizontal" > <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center" android:text="assssaaass" /> </LinearLayout> </RelativeLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <GridView android:id="@+id/grid_view" android:layout_width="match_parent" android:layout_height="match_parent" android:numColumns="2"></GridView> </LinearLayout></LinearLayout>
//item-gv
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:layout_gravity="center" android:gravity="center" > <ImageView android:id="@+id/img_gv" android:layout_width="150dp" android:layout_height="150dp" /> <TextView android:id="@+id/text_gv" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_weight="1" android:gravity="center" /></LinearLayout>
//要加的权限
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
android:name=".MyApplication"
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