先导包 (pulltorefresh_library,xlistview_library,banner,design,glide,gson)
布局(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=".MainActivity">
<FrameLayout
android:id="@+id/frag"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
<RadioGroup
android:id="@+id/radiog"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<RadioButton
android:id="@+id/oneradio"
android:layout_width="0dp"
android:layout_height="70dp"
android:layout_weight="1"
android:button="@null"
android:checked="true"
android:drawableTop="@drawable/sel"
android:gravity="center"
android:text="首页1" />
<RadioButton
android:id="@+id/tworadio"
android:layout_width="0dp"
android:layout_height="70dp"
android:layout_weight="1"
android:button="@null"
android:drawableTop="@drawable/sel"
android:gravity="center"
android:text="首页2" />
<RadioButton
android:id="@+id/treeradio"
android:layout_width="0dp"
android:layout_height="70dp"
android:layout_weight="1"
android:button="@null"
android:drawableTop="@drawable/sel"
android:gravity="center"
android:text="首页3" />
</RadioGroup>
</LinearLayout>
先把三个Fragment的布局写了吧
TabLayout效果+PullToRefreshListView上拉下拉效果
<?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:background="#ea8080"
android:orientation="vertical">
<android.support.design.widget.TabLayout
android:id="@+id/tab"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
<com.handmark.pulltorefresh.library.PullToRefreshListView
android:id="@+id/pull"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
Banner滑动展示图
<?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:background="#85ea75"
android:orientation="vertical">
<com.youth.banner.Banner
android:id="@+id/banner"
android:layout_width="match_parent"
android:layout_height="200dp" />
<ListView
android:id="@+id/lv"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
侧滑展示+Toast+按钮效果
<?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:background="#75e0ea">
<android.support.v4.widget.DrawerLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/draw">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/pink1"
android:orientation="horizontal">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/btn"
android:text="点击弹出侧滑"/>
</LinearLayout>
<!--侧滑页面-->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="left"
android:background="@drawable/pink4"
android:orientation="horizontal">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/btn2"
android:gravity="center"
android:background="#00f"
android:text="啦啦啦"/>
</LinearLayout>
</android.support.v4.widget.DrawerLayout>
</LinearLayout>
BaseActivity和BaseFragment
记着建个包,把这两个放在一块
记着建bean
BaseActivity
package weektest.baway.com.day15_2.base;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.FragmentActivity;
import android.view.View;
import android.widget.Toast;
public abstract class BaseActivity extends FragmentActivity {
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(bindLayout());
initView();
initData();
bindEvent();
}
//布局
public abstract int bindLayout();
//找控件
protected abstract void initView();
//代码
protected abstract void initData();
protected abstract void bindEvent();
protected <T extends View>T bindView(int resId){
return (T)findViewById(resId);
}
protected void getToast(String text){
Toast.makeText(BaseActivity.this,text,Toast.LENGTH_SHORT).show();
}
}
BaseFragment
package weektest.baway.com.day15_2.base;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
/**
* @Auther: 苏青岩
* @Date: 2019/1/7 14:48:17
* @Description:
*/
public abstract class BaseFragment extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(bindLayout(),container,false);
}
//绑定视图
protected abstract int bindLayout();
@Override
public void onActivityCreated( Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
initView();
initData();
bindEvent();
}
//绑定组件
protected abstract void initView();
//操作数据
protected abstract void initData();
//设置监听
protected abstract void bindEvent();
protected <T extends View > T bindView(int resId){
return (T) getView().findViewById(resId);
}
}
HTTPUtil
package weektest.baway.com.day15_2;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class HttpUtil {
/*
* 网络判断
* */
public static boolean isNet(Context context){
if (context!=null){
//获取连接管理器
ConnectivityManager mConnectivityManager=(ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
//获取网络状态
NetworkInfo mNetworkInfo=mConnectivityManager.getActiveNetworkInfo();
if (mNetworkInfo!=null){
//判断网络是否可用
return mNetworkInfo.isAvailable();
}
}
return false;
}
//封装异步
public static void httpAsynTask(String strUrl,final CallBackString backString){
new AsyncTask<String,Integer,String>(){
@Override
protected String doInBackground(String... strings) {
return httpGet(strings[0]);
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
backString.getData(s);
}
}.execute(strUrl);
}
///创建接口
public interface CallBackString{
//写方法
void getData(String s);
}
/**
* @param strUrl 网络接口
* @return :请求的 String 类型的数据
* @author: lmx
* @data: 2019/1/2 16:24
* @Description: 请求网络数据的方法
*/
public static String httpGet(String strUrl){
//设置url
try {
URL url=new URL(strUrl);
//获取HttpURLConnection
HttpURLConnection connection=(HttpURLConnection)url.openConnection();
//设置连接主机超时时间
connection.setConnectTimeout(5000);
//设置从主机读取数据超时
connection.setReadTimeout(5000);
//设置为get请求
connection.setRequestMethod("GET");
//得到数据
InputStream stream=connection.getInputStream();
BufferedReader reader=new BufferedReader(new InputStreamReader(stream));
//拼接数据
StringBuilder builder=new StringBuilder();
String str="";
while ((str=reader.readLine())!=null){
builder.append(str);
}
//关闭连接
connection.disconnect();
//返回数据
return builder.toString();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
MainActivity
把extends后面的改成“BaseActivity”
package weektest.baway.com.day15_2;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.RadioGroup;
import java.util.ArrayList;
import weektest.baway.com.day15_2.base.BaseActivity;
import weektest.baway.com.day15_2.frag.Frag1;
import weektest.baway.com.day15_2.frag.Frag2;
import weektest.baway.com.day15_2.frag.Frag3;
public class MainActivity extends BaseActivity {
private FrameLayout frag;
private RadioGroup radiog;
private FragmentManager manager;
private Fragment frag1;
private Frag2 frag2;
private Frag3 frag3;
@Override
public int bindLayout() {
return R.layout.activity_main;
}
@Override
protected void initView() {
frag = findViewById(R.id.frag);
radiog = findViewById(R.id.radiog);
}
@Override
protected void initData() {
//ArrayList<Fragment> list=new ArrayList<>();
frag1 = new Frag1();
frag2 = new Frag2();
frag3 = new Frag3();
manager = getSupportFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
transaction.add(R.id.frag, frag1)
.add(R.id.frag, frag2)
.add(R.id.frag, frag3)
.show(frag1)
.hide(frag2)
.hide(frag3)
.commit();
}
@Override
protected void bindEvent() {
radiog.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
FragmentTransaction transaction = manager.beginTransaction();
switch (checkedId) {
case R.id.oneradio:
transaction.show(frag1)
.hide(frag2)
.hide(frag3);
break;
case R.id.tworadio:
transaction.show(frag2)
.hide(frag1)
.hide(frag3);
break;
case R.id.treeradio:
transaction.show(frag3)
.hide(frag2)
.hide(frag1);
break;
}
transaction.commit();
}
});
}
}
Fragment(1)
TabLayout效果+PullToRefreshListView上拉下拉效果
extends后面改成 “BaseFragment”
package weektest.baway.com.day15_2.frag;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.view.ViewPager;
import android.view.View;
import android.widget.ListView;
import com.google.gson.Gson;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshListView;
import java.util.ArrayList;
import java.util.List;
import weektest.baway.com.day15_2.HttpUtil;
import weektest.baway.com.day15_2.R;
import weektest.baway.com.day15_2.adapter.MyAdapter;
import weektest.baway.com.day15_2.adapter.TabAdapter;
import weektest.baway.com.day15_2.base.BaseFragment;
import weektest.baway.com.day15_2.bean.JsonBean;
import weektest.baway.com.day15_2.tab.Tab1;
import weektest.baway.com.day15_2.tab.Tab2;
import weektest.baway.com.day15_2.tab.Tab3;
import weektest.baway.com.day15_2.tab.Tab4;
import weektest.baway.com.day15_2.tab.Tab5;
import weektest.baway.com.day15_2.tab.Tab6;
import weektest.baway.com.day15_2.tab.Tab7;
public class Frag1 extends BaseFragment {
private TabLayout tab;
private ViewPager pager;
private String string = "https://www.apiopen.top/novelApi";
private PullToRefreshListView pull;
private MyAdapter adapter1;
private ArrayList<JsonBean.DataBean> list1;
@Override
protected int bindLayout() {
return R.layout.frag1;
}
@Override
protected void initView() {
tab = bindView(R.id.tab);
pager = bindView(R.id.pager);
pull = bindView(R.id.pull);
pull.setMode(PullToRefreshBase.Mode.BOTH);
pull.setScrollingWhileRefreshingEnabled(true);
}
@Override
protected void initData() {
String str[] = {"杜亚星", "小白兔", "小猪", "乖乖兔", "哈巴狗", "眼镜蛇", "波斯猫", "112233"};
final ArrayList<Fragment> list = new ArrayList<>();
list.add(new Tab1());
list.add(new Tab2());
list.add(new Tab3());
list.add(new Tab4());
list.add(new Tab5());
list.add(new Tab6());
list.add(new Tab7());
//适配器
TabAdapter adapter = new TabAdapter(getActivity().getSupportFragmentManager(), str, list);
pager.setAdapter(adapter);
tab.setupWithViewPager(pager);
HttpUtil.httpAsynTask(string, new HttpUtil.CallBackString() {
@Override
public void getData(String s) {
Gson gson = new Gson();
JsonBean jsonBean = gson.fromJson(s, JsonBean.class);
list1 = (ArrayList<JsonBean.DataBean>) jsonBean.getData();
adapter1 = new MyAdapter(list1, getActivity());
pull.setAdapter(adapter1);
}
});
}
@Override
protected void bindEvent() {
pull.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {
@Override
public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {
HttpUtil.httpAsynTask(string, new HttpUtil.CallBackString() {
@Override
public void getData(String s) {
Gson gson = new Gson();
JsonBean jsonBean = gson.fromJson(s, JsonBean.class);
list1 = (ArrayList<JsonBean.DataBean>) jsonBean.getData();
adapter1 = new MyAdapter(list1, getActivity());
pull.setAdapter(adapter1);
pull.onRefreshComplete();
}
});
}
@Override
public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
HttpUtil.httpAsynTask(string, new HttpUtil.CallBackString() {
@Override
public void getData(String s) {
Gson gson = new Gson();
JsonBean jsonBean = gson.fromJson(s, JsonBean.class);
List<JsonBean.DataBean> data=jsonBean.getData();
list1.addAll(data);
adapter1.notifyDataSetChanged();
pull.onRefreshComplete();
}
});
}
});
}
}
Tab
想要的效果里有几个TabLayout,就建几个小tab
注意:bindLayout里面return对应的tab布局就可以,其他也是如此
package weektest.baway.com.day15_2.tab;
import weektest.baway.com.day15_2.R;
import weektest.baway.com.day15_2.base.BaseFragment;
public class Tab1 extends BaseFragment {
@Override
protected int bindLayout() {
return R.layout.tab1;
}
@Override
protected void initView() {
}
@Override
protected void initData() {
}
@Override
protected void bindEvent() {
}
}
TabAdapter适配器
package weektest.baway.com.day15_2.adapter;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import java.util.ArrayList;
public class TabAdapter extends FragmentPagerAdapter {
String str[];
ArrayList<Fragment> list;
public TabAdapter(FragmentManager fm, String[] str, ArrayList<Fragment> list) {
super(fm);
this.str = str;
this.list = list;
}
@Override
public Fragment getItem(int i) {
return list.get(i);
}
@Override
public int getCount() {
return list.size();
}
@Nullable
@Override
public CharSequence getPageTitle(int position) {
return str[position];
}
}
Fragment(2)
Banner滑动展示图**
package weektest.baway.com.day15_2.frag;
import android.content.Context;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import com.bumptech.glide.Glide;
import com.youth.banner.Banner;
import com.youth.banner.loader.ImageLoader;
import java.util.ArrayList;
import weektest.baway.com.day15_2.R;
import weektest.baway.com.day15_2.base.BaseFragment;
public class Frag2 extends BaseFragment {
private Banner banner;
private ListView lv;
@Override
protected int bindLayout() {
return R.layout.frag2;
}
@Override
protected void initView() {
banner = bindView(R.id.banner);
lv = bindView(R.id.lv);
}
@Override
protected void initData() {
ArrayList<String> list=new ArrayList<>();
list.add("https://i02picsos.sogoucdn.com/ce5af1136d76975c");
list.add("https://i01picsos.sogoucdn.com/b57395546a4b24d9");
banner.setImageLoader(new ImageLoader() {
@Override
public void displayImage(Context context, Object path, ImageView imageView) {
Glide.with(context).load(path).into(imageView);
}
});
banner.setImages(list);
banner.isAutoPlay(true);
banner.setDelayTime(3000);
banner.start();
}
@Override
protected void bindEvent() {
}
}
Fragment(3)
侧滑展示+Toast+按钮效果
package weektest.baway.com.day15_2.frag;
import android.support.annotation.NonNull;
import android.support.v4.widget.DrawerLayout;
import android.view.Gravity;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import weektest.baway.com.day15_2.HttpUtil;
import weektest.baway.com.day15_2.R;
import weektest.baway.com.day15_2.base.BaseFragment;
public class Frag3 extends BaseFragment {
private DrawerLayout draw;
private Button btn;
@Override
protected int bindLayout() {
return R.layout.frag3;
}
@Override
protected void initView() {
draw = bindView(R.id.draw);
btn = bindView(R.id.btn);
}
@Override
protected void initData() {
//判断是否有网
boolean isNet=HttpUtil.isNet(getActivity());
if (isNet){
Toast.makeText(getActivity(),"有网",Toast.LENGTH_SHORT).show();
}else{
Toast.makeText(getActivity(),"没有网",Toast.LENGTH_SHORT).show();
}
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
draw.openDrawer(Gravity.LEFT);
}
});
draw.addDrawerListener(new DrawerLayout.DrawerListener() {
@Override
public void onDrawerSlide(@NonNull View view, float v) {
}
@Override
public void onDrawerOpened(@NonNull View view) {
Toast.makeText(getActivity(),"闪亮登场",Toast.LENGTH_SHORT).show();
}
@Override
public void onDrawerClosed(@NonNull View view) {
Toast.makeText(getActivity(),"优雅退出",Toast.LENGTH_SHORT).show();
}
@Override
public void onDrawerStateChanged(int i) {
}
});
}
@Override
protected void bindEvent() {
}
}
这个…嗯…
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="好好学习"
app:layout_editor_absoluteX="16dp"
app:layout_editor_absoluteY="16dp" />
</android.support.constraint.ConstraintLayout>