MainActivity.java
public class MainActivity extends AppCompatActivity { //图片引导页
private ViewPager pager;
private Button button;
ArrayList<Integer> list;
private SharedPreferences sharedPreferences;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
pager = findViewById(R.id.pager);
button = findViewById(R.id.btn);
list = new ArrayList<>();
list.add(R.drawable.e);
list.add(R.drawable.r);
list.add(R.drawable.t);
list.add(R.drawable.y);
sharedPreferences = getSharedPreferences("ss", MODE_PRIVATE);
Boolean aa=sharedPreferences.getBoolean("a",false);
if (aa){
Intent intent = new Intent(MainActivity.this, SecondActivity.class);
startActivity(intent);
}
pager.setAdapter(new Madapter());
pager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
switch (position){
case 0:
button.setVisibility(View.GONE);
break;
case 1:
button.setVisibility(View.GONE);
break;
case 2:
button.setVisibility(View.GONE);
break;
case 3:
button.setVisibility(View.VISIBLE);
break;
}
}
@Override
public void onPageScrollStateChanged(int state) {
}
});
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
SharedPreferences.Editor edit = sharedPreferences.edit();
edit.putBoolean("a",true);
edit.commit();
Intent intent = new Intent(MainActivity.this, SecondActivity.class);
startActivity(intent);
}
});
}
class Madapter extends PagerAdapter{
@Override
public int getCount() {
return list.size();
}
@Override
public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
return view==object;
}
@NonNull
@Override
public Object instantiateItem(@NonNull ViewGroup container, int position) {
ImageView imageView = new ImageView(MainActivity.this);
imageView.setScaleType(ImageView.ScaleType.FIT_XY);
imageView.setImageResource(list.get(position));
container.addView(imageView);
return imageView;
}
@Override
public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
container.removeView((View) object);
}
}
}
activity_main.xml
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v4.view.ViewPager>
<Button
android:id="@+id/btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="跳过"
android:layout_marginTop="-200dp"
android:layout_gravity="center_horizontal"
android:visibility="gone"
/>
</LinearLayout>
SecondActivity.java
public class SecondActivity extends BaseActivity{ //主页面
private ViewPager pager;
private TabLayout tabLayout;
private DrawerLayout drawerLayout;
private ActionBarDrawerToggle toggle;
@Override
protected int getContentView() {
return R.layout.second;
}
@Override
protected void findView() {
pager = findViewById(R.id.pager);
tabLayout = findViewById(R.id.tab);
drawerLayout = findViewById(R.id.draw);
}
@Override
protected void initData() {
pager.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {
@Override
public Fragment getItem(int position) {
Fragment fragment=new Fragment();
switch (position){
case 0:
fragment=new Afragment();
break;
case 1:
fragment=new Bfragment();
break;
case 2:
fragment=new Cfragment();
break;
case 3:
fragment=new Dfragment();
break;
}
return fragment;
}
@Override
public int getCount() {
return 4;
}
});
loadTabLayout();
setDrawerLayout();
}
private void setDrawerLayout() {
ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
toggle =new ActionBarDrawerToggle(this, drawerLayout, R.string.open, R.string.close);
toggle.syncState();
drawerLayout.addDrawerListener(toggle);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (toggle.onOptionsItemSelected(item)){
return true;
}
return super.onOptionsItemSelected(item);
}
private void loadTabLayout() {
tabLayout.addTab(tabLayout.newTab());
tabLayout.addTab(tabLayout.newTab());
tabLayout.addTab(tabLayout.newTab());
tabLayout.addTab(tabLayout.newTab());
tabLayout.setupWithViewPager(pager);
tabLayout.getTabAt(0).setText("蒸");
tabLayout.getTabAt(1).setText("蒸");
tabLayout.getTabAt(2).setText("日");
tabLayout.getTabAt(3).setText("上");
}
}
second.xml
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/draw"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="9"/>
<android.support.design.widget.TabLayout
android:id="@+id/tab"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"/>
</LinearLayout>
<fragment
class="fanruiqi.bwie.com.yuekaolx.fragment.Efragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="start"/>
</android.support.v4.widget.DrawerLayout>
Afragment.java
public class Afragment extends Fragment{ //xlv显示
Dao dao;
private XListView xListView;
public int page=1;
public String urlString="http://www.xieast.com/api/news/news.php?type=top&page="+page+"";
private MyBaseAdapter adapter;
@Nullable
@Override
public View onCreateView(@NonNull final LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = View.inflate(getActivity(), R.layout.afrag, null);
dao = new Dao(getActivity());
//dao.query();
//dao.insert("aa","aaa");
xListView = view.findViewById(R.id.xlv);
adapter = new MyBaseAdapter(getLayoutInflater());
xListView.setAdapter(adapter);
xListView.setPullLoadEnable(true);
xListView.setPullRefreshEnable(true);
xListView.setXListViewListener(new XListView.IXListViewListener() {
@Override
public void onRefresh() {
page=1;
initData(urlString);
}
@Override
public void onLoadMore() {
initData(urlString);
}
});
initData(urlString);
xListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
String title=adapter.getList().get(i-1).getTitle();
String img = adapter.getList().get(i - 1).getThumbnail_pic_s();
Intent intent = new Intent(getActivity(), ThredActivity.class);
intent.putExtra("title",title);
intent.putExtra("img",img);
startActivity(intent);
}
});
return view;
}
private void initData(String urlString) {
new AsyncTask<String, Void, List<ResponseBean.DataBean>>() {
@Override
protected List<ResponseBean.DataBean> doInBackground(String... strings) {
String datas = Http.requestData(strings[0]);
ResponseBean responseBean = new Gson().fromJson(datas, ResponseBean.class);
if (responseBean!=null){
return responseBean.getData();
}
return null;
}
@Override
protected void onPostExecute(List<ResponseBean.DataBean> responseBeans) {
super.onPostExecute(responseBeans);
caseR((ArrayList<ResponseBean.DataBean>) responseBeans);
closeXlv();
}
}.execute(urlString);
}
private void caseR(ArrayList<ResponseBean.DataBean> bs){
if (page==1){
adapter.setDatas(bs);
}else {
adapter.addDatas(bs);
}
}
private void closeXlv(){
page++;
xListView.stopRefresh();
xListView.stopLoadMore();
}
}
Bfragment.java
public class Bfragment extends Fragment{ //频道管理
private String jsonStr;
ArrayList<ChannelBean> list;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = View.inflate(getActivity(), R.layout.bfrag, null);
Button button = view.findViewById(R.id.btn);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (list==null){
list = new ArrayList<>();
list.add(new ChannelBean("热点",true));
list.add(new ChannelBean("军事",true));
list.add(new ChannelBean("八卦",true));
list.add(new ChannelBean("游戏",true));
list.add(new ChannelBean("宠物",true));
list.add(new ChannelBean("汽车",false));
list.add(new ChannelBean("热卖",false));
list.add(new ChannelBean("外卖",false));
list.add(new ChannelBean("太阳花",false));
list.add(new ChannelBean("九三",false));
list.add(new ChannelBean("八嘎",false));
list.add(new ChannelBean("色昂",false));
ChannelActivity.startChannelActivity((AppCompatActivity) getActivity(),list);
Gson gson = new Gson();
String jsonArray = gson.toJson(list);
Intent intent = new Intent(getActivity(), ChannelActivity.class);
intent.putExtra(RESULT_JSON_KEY, jsonArray);
startActivityForResult(intent, REQUEST_CODE);
}else if(jsonStr!=null){
ChannelActivity.startChannelActivity((AppCompatActivity) getActivity(),jsonStr);
}
}
});
return view;
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode== REQUEST_CODE&&resultCode==ChannelActivity.RESULT_CODE) {
jsonStr = data.getStringExtra(RESULT_JSON_KEY);
}
}
}
ThredAcrtivity.java
public class ThredActivity extends AppCompatActivity{
private ViewPager pager;
public String urlString="http://www.xieast.com/api/banner.php";
private BannerAdapter adapter;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.thred);
pager = findViewById(R.id.pager);
ImageView imageView = findViewById(R.id.image);
TextView textView = findViewById(R.id.textview);
Intent intent = getIntent();
String img = intent.getStringExtra("img");
String title = intent.getStringExtra("title");
textView.setText(title);
ImageLoader.getInstance().displayImage(img,imageView);
adapter = new BannerAdapter(getLayoutInflater());
pager.setAdapter(adapter);
initData(urlString);
}
private void initData(String urlString) {
new AsyncTask<String, Void, ArrayList<BannerBean.DataBean>>() {
@Override
protected ArrayList<BannerBean.DataBean> doInBackground(String... strings) {
String datas = Http.requestData(strings[0]);
BannerBean bannerBean = new Gson().fromJson(datas, BannerBean.class);
if (bannerBean!=null){
return (ArrayList<BannerBean.DataBean>) bannerBean.getData();
}
return null;
}
@Override
protected void onPostExecute(ArrayList<BannerBean.DataBean> dataBeans) {
super.onPostExecute(dataBeans);
adapter.setDatas(dataBeans);
}
}.execute(urlString);
}
}
BaseActivity
public abstract class BaseActivity extends AppCompatActivity{ //基类
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(getContentView());
findView();
initData();
}
protected abstract int getContentView();
protected abstract void findView();
protected abstract void initData();
}
App.java
public class App extends Application{ //网络加载图片
@Override
public void onCreate() {
super.onCreate();
//BitmapDisplayer bitmapDisplayer = new CircleBitmapDisplayer();
DisplayImageOptions options = new DisplayImageOptions.Builder()
//.displayer(bitmapDisplayer)
.showImageOnLoading(R.drawable.ic_launcher)
.showImageForEmptyUri(R.drawable.ic_launcher)
.cacheInMemory(true)
.build();
ImageLoaderConfiguration configuration = new ImageLoaderConfiguration
.Builder(this)
.defaultDisplayImageOptions(options)
.build();
ImageLoader.getInstance().init(configuration);
}
}
Http.java
public class Http { //网络请求字符串数据，外部类，被内部调用
public static String requestData(String string){
String getgson=null;
try {
URL url = new URL(string);
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
urlConnection.setRequestMethod("GET");
urlConnection.setConnectTimeout(50*1000);
urlConnection.setReadTimeout(50*1000);
int responseCode = urlConnection.getResponseCode();
if(responseCode==200){
String gsonString = stream2String(urlConnection.getInputStream());
getgson=gsonString;
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return getgson;
}
private static String stream2String(InputStream inputStream) {
StringBuilder stringBuilder = new StringBuilder();
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
try {
for (String tmp = bufferedReader.readLine(); tmp!=null; tmp=bufferedReader.readLine()) {
stringBuilder.append(tmp);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
bufferedReader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return stringBuilder.toString();
}
}
SqliteHelper.java
public class SqliteHelper extends SQLiteOpenHelper{ //数据库建表
public SqliteHelper(Context context) {
super(context,"user.db", null, 1);
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL("create table users(id integer primary key autoincrement,name text,age text)");
db.execSQL("insert into users (name,age) values(?,?)",new String[]{"frq","frq"});
}
@Override
public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {
}
}
Dao.java
public class Dao { //操作数据库
private final SqliteHelper sqliteHelper;
SQLiteDatabase database;
public Dao(Context context) {
sqliteHelper = new SqliteHelper(context);
database = sqliteHelper.getReadableDatabase();
}
public ArrayList<Sqlite> query() {
Cursor cursor = database.rawQuery("select * from users", null);
ArrayList<Sqlite> list = new ArrayList<>();
while (cursor.moveToNext()){
String name = cursor.getString(cursor.getColumnIndex("name"));
String age = cursor.getString(cursor.getColumnIndex("age"));
Sqlite sqlite = new Sqlite(name, age);
list.add(sqlite);
}
return list;
}
public void insert(String aa, String aaa) {
database.execSQL("insert into users(name,age) values(?,?)",new Object[]{aa,aaa});
}
}
BannerAdapter
public class BannerAdapter extends PagerAdapter{ //加载viewpager图片
private LayoutInflater layoutInflater;
ArrayList<BannerBean.DataBean> list;
public BannerAdapter(LayoutInflater layoutInflater) {
this.layoutInflater = layoutInflater;
list = new ArrayList<>();
}
public void setDatas(ArrayList<BannerBean.DataBean> datas) {
list.addAll(datas);
notifyDataSetChanged();
}
@Override
public int getCount() {
return list.size();
}
@Override
public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
return view==object;
}
@NonNull
@Override
public Object instantiateItem(@NonNull ViewGroup container, int position) {
ImageView imageView = new ImageView(layoutInflater.getContext());
imageView.setScaleType(ImageView.ScaleType.FIT_XY);
ImageLoader.getInstance().displayImage(list.get(position).getImg(),imageView);
container.addView(imageView);
return imageView;
}
@Override
public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
container.removeView((View) object);
}
}
MyBaseAdapter.java
public class MyBaseAdapter extends BaseAdapter{ //加载xlv的adapter
private LayoutInflater layoutInflater;
private final ArrayList<ResponseBean.DataBean> list;
public MyBaseAdapter(LayoutInflater layoutInflater) {
this.layoutInflater = layoutInflater;
list = new ArrayList<>();
}
public ArrayList<ResponseBean.DataBean> getList() {
return list;
}
public void setDatas(ArrayList<ResponseBean.DataBean> datas) {
list.clear();
list.addAll(datas);
notifyDataSetChanged();
}
public void addDatas(ArrayList<ResponseBean.DataBean> bs) {
list.addAll(bs);
notifyDataSetChanged();
}
/*public static final int ONE=0;
public static final int TWO=1;
public static final int THREE=2;
@Override
public int getItemViewType(int position) {
ResponseBean.DataBean dataBean = list.get(position);
if (!TextUtils.isEmpty(dataBean.getThumbnail_pic_s03())){
return THREE;
}else if (!TextUtils.isEmpty(dataBean.getThumbnail_pic_s02())){
return TWO;
}else {
return ONE;
}
}
@Override
public int getViewTypeCount() {
return 3;
}*/
@Override
public int getCount() {
return list.size();
}
@Override
public Object getItem(int i) {
return list.get(i);
}
@Override
public long getItemId(int i) {
return i;
}
@Override
public View getView(int i, View view, ViewGroup viewGroup) {
if (getItemViewType(i)==ONE){
ViewHolder viewHolder=null;
if (view==null){
viewHolder = new ViewHolder();
view = layoutInflater.inflate(R.layout.item, viewGroup, false);
viewHolder.textView = view.findViewById(R.id.text);
viewHolder.imageView = view.findViewById(R.id.img);
view.setTag(viewHolder);
}else {
viewHolder = (ViewHolder) view.getTag();
}
viewHolder.textView.setText(list.get(i).getTitle());
ImageLoader.getInstance().displayImage(list.get(i).getThumbnail_pic_s(),viewHolder.imageView);
}else if (getItemViewType(i)==TWO){
ViewHolder2 viewHolder2=null;
if (view==null){
viewHolder2 = new ViewHolder2();
view = layoutInflater.inflate(R.layout.item2, viewGroup, false);
viewHolder2.textView = view.findViewById(R.id.text);
viewHolder2.imageView = view.findViewById(R.id.img);
viewHolder2.imageView2 = view.findViewById(R.id.img2);
view.setTag(viewHolder2);
}else {
viewHolder2 = (ViewHolder2) view.getTag();
}
viewHolder2.textView.setText(list.get(i).getTitle());
ImageLoader.getInstance().displayImage(list.get(i).getThumbnail_pic_s(),viewHolder2.imageView);
ImageLoader.getInstance().displayImage(list.get(i).getThumbnail_pic_s02(),viewHolder2.imageView2);
}else {
ViewHolder3 viewHolder3=null;
if (view==null){
viewHolder3 = new ViewHolder3();
view = layoutInflater.inflate(R.layout.item3, viewGroup, false);
viewHolder3.textView = view.findViewById(R.id.text);
viewHolder3.imageView = view.findViewById(R.id.img);
viewHolder3.imageView2 = view.findViewById(R.id.img2);
viewHolder3.imageView3 = view.findViewById(R.id.img3);
view.setTag(viewHolder3);
}else {
viewHolder3 = (ViewHolder3) view.getTag();
}
viewHolder3.textView.setText(list.get(i).getTitle());
ImageLoader.getInstance().displayImage(list.get(i).getThumbnail_pic_s(),viewHolder3.imageView);
ImageLoader.getInstance().displayImage(list.get(i).getThumbnail_pic_s02(),viewHolder3.imageView2);
ImageLoader.getInstance().displayImage(list.get(i).getThumbnail_pic_s03(),viewHolder3.imageView3);
}
return view;
}
class ViewHolder{
private TextView textView;
private ImageView imageView;
}
class ViewHolder2{
private TextView textView;
private ImageView imageView;
private ImageView imageView2;
}
class ViewHolder3{
private TextView textView;
private ImageView imageView;
private ImageView imageView2;
private ImageView imageView3;
}
}