側滑+多條目+重新整理載入+fragment巢狀+Banner
阿新 • • 發佈：2019-01-05
MainActivity
package com.bwie.mouthxx1; import android.support.design.widget.TabLayout; import android.support.v4.view.ViewPager; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.MenuItem; public class MainActivity extends AppCompatActivity { private DrawerLayout drawerLayout; private ActionBarDrawerToggle toggle; private ViewPager viewPager; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //新增一個側滑的fragment, 判斷為空時新增 if (savedInstanceState == null){ getSupportFragmentManager().beginTransaction() .add(R.id.left_drawer, new leftFragment()) .commit(); } initView(); //初始化View } private void initView() { getSupportActionBar().setDisplayHomeAsUpEnabled(true); drawerLayout = findViewById(R.id.drawer); toggle = new ActionBarDrawerToggle(this, drawerLayout, R.string.open_drawer, R.string.close_drawer); drawerLayout.addDrawerListener(toggle); toggle.syncState(); viewPager = findViewById(R.id.pager); viewPager.setAdapter(new MainPageAdapter(getSupportFragmentManager())); TabLayout tabLayout = findViewById(R.id.tablayout); tabLayout.setupWithViewPager(viewPager); } @Override public boolean onOptionsItemSelected(MenuItem item) { if (toggle.onOptionsItemSelected(item)){ return true; } return super.onOptionsItemSelected(item); } }
MainPageAdapter適配
package com.bwie.mouthxx1; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentPagerAdapter; import android.support.v4.view.PagerAdapter; public class MainPageAdapter extends FragmentPagerAdapter { private String[] menus = new String[]{"首頁","視訊","我的"}; public MainPageAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int i) { switch (i){ case 0: return new AFragment(); case 1: return new BFragment(); case 2: return new CFragment(); default: return new AFragment(); } } @Nullable @Override public CharSequence getPageTitle(int position) { return menus[position]; } @Override public int getCount() { return menus.length; } }
AFragment
package com.bwie.mouthxx1; import android.content.Intent; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.design.widget.TabLayout; import android.support.v4.app.Fragment; import android.support.v4.view.ViewPager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import com.andy.library.ChannelActivity; import com.andy.library.ChannelBean; import com.google.gson.Gson; import com.google.gson.reflect.TypeToken; import java.util.ArrayList; import java.util.List; import static com.andy.library.ChannelActivity.REQUEST_CODE; import static com.andy.library.ChannelActivity.RESULT_JSON_KEY; public class AFragment extends Fragment { private ViewPager viewPager; private TabLayout tabLayout1; private Button button; private APageAdapter mAdapter; private List<ChannelBean> datas; @Nullable @Override public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment01, container, false); } @Override public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); viewPager = view.findViewById(R.id.pager); tabLayout1 = view.findViewById(R.id.tablayout1); mAdapter = new APageAdapter(getChildFragmentManager()); viewPager.setAdapter(mAdapter); tabLayout1.setupWithViewPager(viewPager); //頻道管理操作------------頻道管理操作 button = view.findViewById(R.id.button); initData(); } //頻道管理 private void initData() { datas = new ArrayList<>(); //資料庫查詢頻道 datas.add(new ChannelBean("體育", true)); datas.add(new ChannelBean("關注", true)); datas.add(new ChannelBean("推薦", true)); datas.add(new ChannelBean("國際", true)); datas.add(new ChannelBean("熱點", true)); datas.add(new ChannelBean("軍事", true)); datas.add(new ChannelBean("八卦", true)); datas.add(new ChannelBean("遊戲", false)); datas.add(new ChannelBean("寵物", false)); datas.add(new ChannelBean("汽車", false)); datas.add(new ChannelBean("熱賣", false)); datas.add(new ChannelBean("外賣", false)); datas.add(new ChannelBean("地圖", false)); datas.add(new ChannelBean("視訊", false)); datas.add(new ChannelBean("圖片", false)); datas.add(new ChannelBean("音樂", false)); datas.add(new ChannelBean("家居", false)); datas.add(new ChannelBean("網路", false)); datas.add(new ChannelBean("購物", false)); datas.add(new ChannelBean("其他", false)); mAdapter.setmDatas(getSelectedResult(datas)); //點選進入頻道管理 button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { //跳轉頻道管理資料 Gson gson = new Gson(); String jsonArray = gson.toJson(datas); Intent intent = new Intent(getActivity(), ChannelActivity.class); intent.putExtra(RESULT_JSON_KEY, jsonArray); startActivityForResult(intent, REQUEST_CODE); } }); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == REQUEST_CODE){ String json = data.getStringExtra("json"); datas = new Gson().fromJson(json, new TypeToken<ArrayList<ChannelBean>>(){}.getType()); //新增到資料庫 mAdapter.setmDatas(getSelectedResult(datas)); return; } super.onActivityResult(requestCode, resultCode, data); } //迴圈遍歷是否是選中的資料 private List<ChannelBean> getSelectedResult(List<ChannelBean> datas) { List<ChannelBean> result = new ArrayList<>(); for (ChannelBean bean : datas){ if (bean.isSelect()){ result.add(bean); } } return result; } }
APageAdapter適配
package com.bwie.mouthxx1;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.PagerAdapter;
import com.andy.library.ChannelBean;
import java.util.ArrayList;
import java.util.List;
public class APageAdapter extends FragmentPagerAdapter {
private List<ChannelBean> mDatas;
public APageAdapter(FragmentManager fm) {
super(fm);
mDatas = new ArrayList<>();
}
public void setmDatas(List<ChannelBean> selectedResult) {
this.mDatas = selectedResult;
notifyDataSetChanged();
}
@Override
public Fragment getItem(int i) {
switch (i){
case 0:
return new aaFragment();
case 1:
return new bbFragment();
case 2:
return new ccFragment();
default:
return new aaFragment();
}
}
@Nullable
@Override
public CharSequence getPageTitle(int position) {
return mDatas.get(position).getName();
}
@Override
public int getCount() {
return mDatas.size();
}
}
aaFragment子類
package com.bwie.mouthxx1;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import android.widget.Toast;
import com.bwie.mouthxx1.utils.NetUtil;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshListView;
public class aaFragment extends Fragment {
private PullToRefreshListView refreshListView;
private PullToReAdapter mAdapter;
private int mPage;
private int num = 10;
private String urlStr = "https://api.tianapi.com/wxnew/?key=c4aa776e0a51d57d6750511e2baa46b6&num=%d&mPage=%d";
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
return inflater.inflate(R.layout.aafragment, container, false);
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
refreshListView = view.findViewById(R.id.refreshlist);
//建立介面卡
mAdapter = new PullToReAdapter(getActivity());
refreshListView.setAdapter(mAdapter);
mPage = 1;
//支援載入、重新整理
refreshListView.setMode(PullToRefreshBase.Mode.BOTH);
refreshListView.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {
@Override
public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {
mPage = 1;
initData();
}
@Override
public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
initData();
}
});
initData();
}
private void initData() {
if (mPage == 1){
bannerData();
newsData();
}else {
newsData();
}
}
//輪播圖的資料獲取
private void bannerData() {
NetUtil.getInstance().getRequest(String.format(urlStr, num, mPage), NewsOkBean.class, new NetUtil.CallBack<NewsOkBean>() {
@Override
public void OnSuccess(NewsOkBean newsOkBean) {
mAdapter.setBanner(newsOkBean.getNewslist());
}
});
}
//新聞的資料獲取
private void newsData() {
NetUtil.getInstance().getRequest(String.format(urlStr, num, mPage), NewsOkBean.class, new NetUtil.CallBack<NewsOkBean>() {
@Override
public void OnSuccess(NewsOkBean newsOkBean) {
if (newsOkBean == null || !newsOkBean.isSuccess()){
Toast.makeText(getActivity(), "請求錯誤", Toast.LENGTH_SHORT).show();
refreshListView.onRefreshComplete();
}else {
//操作資料庫
//請求成功載入資料
if (mPage == 1){
mAdapter.setDatas(newsOkBean.getNewslist());
}else {
mAdapter.addDatas(newsOkBean.getNewslist());
}
mPage ++;
refreshListView.onRefreshComplete();
}
if (newsOkBean.getNewslist().size() < num){
refreshListView.setMode(PullToRefreshBase.Mode.PULL_FROM_START);
}else {
refreshListView.setMode(PullToRefreshBase.Mode.BOTH);
}
}
});
}
}
PullToReAdapter適配
package com.bwie.mouthxx1;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.youth.banner.Banner;
import com.youth.banner.BannerConfig;
import com.youth.banner.loader.ImageLoaderInterface;
import java.util.ArrayList;
import java.util.List;
public class PullToReAdapter extends BaseAdapter {
private List<NewsOkBean.NewslistBean> mBanner;
private List<NewsOkBean.NewslistBean> mData;
private Context mContext;
public PullToReAdapter(Context mContext) {
this.mContext = mContext;
mBanner = new ArrayList<>();
mData = new ArrayList<>();
}
public void setBanner(List<NewsOkBean.NewslistBean> newslist) {
mBanner.clear();
if (newslist != null){
mBanner.addAll(newslist);
}
notifyDataSetChanged();
}
public void setDatas(List<NewsOkBean.NewslistBean> newslist) {
mData.clear();
if (newslist != null){
mData.addAll(newslist);
}
notifyDataSetChanged();
}
public void addDatas(List<NewsOkBean.NewslistBean> newslist) {
if (newslist != null){
mData.addAll(newslist);
}
notifyDataSetChanged();
}
private boolean hasBanner(){
return mBanner.size() > 0;
}
@Override
public int getCount() {
return hasBanner() ? mData.size() + 1 : mData.size();
}
@Override
public NewsOkBean.NewslistBean getItem(int position) {
return mData.get(hasBanner() ? position - 1 : position);
}
@Override
public long getItemId(int position) {
return position;
}
private final int COUNT = 2;
private final int BANNER = 0;
private final int NEWS = 1;
@Override
public int getViewTypeCount() {
return COUNT;
}
@Override
public int getItemViewType(int position) {
return position == 0 && hasBanner() ? BANNER : NEWS;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (getItemViewType(position) == BANNER){
BannerHolder mHolder;
if (convertView == null){
convertView = LayoutInflater.from(mContext).inflate(R.layout.banner_item, parent, false);
mHolder = new BannerHolder(convertView);
}else {
mHolder = (BannerHolder) convertView.getTag();
}
mHolder.bindDatas(mContext, mBanner);
}else {
NewsHolder mHolder;
if (convertView == null){
convertView = LayoutInflater.from(mContext).inflate(R.layout.news_item, parent, false);
mHolder = new NewsHolder(convertView);
}else {
mHolder = (NewsHolder) convertView.getTag();
}
mHolder.bindDatas(getItem(position));
}
return convertView;
}
class BannerHolder{
Banner banner;
public BannerHolder(View itemView){
banner = itemView.findViewById(R.id.banner);
itemView.setTag(this);
}
public void bindDatas(Context mContext, List<NewsOkBean.NewslistBean> mBanner) {
//設定Banner樣式
banner.setBannerStyle(BannerConfig.CIRCLE_INDICATOR_TITLE_INSIDE);
//設定Banner圖片載入器
banner.setImageLoader(new ImageLoaderInterface<ImageView>() {
@Override
public void displayImage(Context context, Object path, ImageView imageView) {
NewsOkBean.NewslistBean mBanner = (NewsOkBean.NewslistBean) path;
ImageLoader.getInstance().displayImage(mBanner.getPicUrl(),imageView);
}
@Override
public ImageView createImageView(Context context) {
ImageView imageView = new ImageView(context);
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
return imageView;
}
});
initData(mBanner);
}
private void initData(List<NewsOkBean.NewslistBean> mBanner) {
banner.setImages(mBanner);
banner.setBannerTitles(getTitles(mBanner));
banner.start();
}
private List<String> getTitles(List<NewsOkBean.NewslistBean> mBanner) {
List<String> result = new ArrayList<>();
for (NewsOkBean.NewslistBean banner : mBanner){
result.add(banner.getDescription());
}
return result;
}
}
class NewsHolder{
ImageView imageView;
TextView textView1, textView2;
public NewsHolder(View itemView){
imageView = itemView.findViewById(R.id.image);
textView1 = itemView.findViewById(R.id.text1);
textView2 = itemView.findViewById(R.id.text2);
itemView.setTag(this);
}
public void bindDatas(NewsOkBean.NewslistBean item) {
textView1.setText(item.getDescription());
textView2.setText(item.getTitle());
if (imageView != null){
ImageLoader.getInstance().displayImage(item.getPicUrl(), imageView);
}
}
}
}
activity_main主佈局
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
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:id="@+id/drawer"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.TabLayout
android:id="@+id/tablayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
app:tabTextColor="@color/colorPrimary"
app:tabSelectedTextColor="@color/colorAccent"
app:tabIndicatorColor="@color/colorPrimaryDark"
app:tabIndicatorHeight="1dp"
android:background="#fffcc4"
/>
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/tablayout"
/>
</RelativeLayout>
<FrameLayout
android:id="@+id/left_drawer"
android:layout_width="300dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="#fcc"
/>
</android.support.v4.widget.DrawerLayout>
fragment01_F佈局
<?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:background="#cfc"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.TabLayout
android:id="@+id/tablayout1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
app:tabIndicatorHeight="1dp"
app:tabTextColor="@color/colorPrimary"
app:tabSelectedTextColor="@color/colorAccent"
app:tabIndicatorColor="@color/colorPrimaryDark"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toLeftOf="@+id/button"
app:tabMode="scrollable"
/>
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/tablayout1"
app:layout_constraintTop_toBottomOf="@+id/tablayout1"
/>
<Button
android:id="@+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="十"
android:textColor="#f00"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintLeft_toRightOf="@+id/tablayout1"
/>
</android.support.constraint.ConstraintLayout>