Android简易音乐重构MVVM Java版-新增推荐雷达歌单及重构首页（十三）
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android简易音乐重构MVVM Java版-新增推荐雷达歌单及重构首页（十三）
关于
本篇主要介绍引用首页发现api来替换首页轮播何推荐歌单以及新增雷达歌单（根据登陆用户推荐）、实现discoverfragment上下滑动效果。
效果图
修改ApiService
添加首页发现api
@GET("homepage/block/page")//首页发现
LiveData<ApiResponse<HomeDiscoverEntity>> requireHomeDiscover(@Query("refresh") Boolean start);
项目结构：
添加HomeDiscoverEntity实体类
注意，首页发现的json解析实体类最好直接粘贴我的，因为用工具解析的在这个json是必然出错的，因为它涉及到了同一个层级同一个名称不同属性的问题，还有就是部分字段类型解析错误的问题
@NoArgsConstructor
@Data
public class HomeDiscoverEntity
private int code;
private DataEntity data;
private String message;
@NoArgsConstructor
@Data
public static class DataEntity
private String cursor;
private List<BlocksEntity> blocks;
private boolean hasMore;
private Object blockUUIDs;
private PageConfigEntity pageConfig;
private GuideToastEntity guideToast;
private Object internalTest;
private List<?> titles;
private Object blockCodeOrderList;
@NoArgsConstructor
@Data
public static class PageConfigEntity
private String refreshToast;
private String nodataToast;
private int refreshInterval;
private Object title;
private boolean fullscreen;
private List<String> abtest;
private List<String> songLabelMarkPriority;
private int songLabelMarkLimit;
private String homepageMode;
private boolean showModeEntry;
private String orderInfo;
@NoArgsConstructor
@Data
public static class GuideToastEntity
private boolean hasGuideToast;
private List<?> toastList;
@NoArgsConstructor
@Data
public static class BlocksEntity
private String blockCode;
private String showType;
private int dislikeShowType;
private Object extInfo;
private boolean canClose;
private int blockStyle;
private String action;
private String actionType;
private UiElementEntity uiElement;
private List<CreativesEntity> creatives;
private String alg;
private String logInfo;
@NoArgsConstructor
@Data
public static class UiElementEntity
private SubTitleEntity subTitle;
private ButtonEntity button;
private String rcmdShowType;
@NoArgsConstructor
@Data
public static class SubTitleEntity
private String title;
@NoArgsConstructor
@Data
public static class ButtonEntity
private String action;
private String actionType;
private String text;
private Object iconUrl;
@NoArgsConstructor
@Data
public static class CreativesEntity
private String creativeType;
private String creativeId;
private String action;
private String actionType;
private UiElementEntity uiElement;
private List<ResourcesEntity> resources;
private String alg;
private String logInfo;
private int position;
@NoArgsConstructor
@Data
public static class UiElementEntity
private MainTitleEntity mainTitle;
private ImageEntity image;
private List<String> labelTexts;
private String rcmdShowType;
@NoArgsConstructor
@Data
public static class MainTitleEntity
private String title;
@NoArgsConstructor
@Data
public static class ImageEntity
private String imageUrl;
@NoArgsConstructor
@Data
public static class ResourcesEntity
private UiElementEntity uiElement;
private String resourceType;
private String resourceId;
private Object resourceUrl;
private ResourceExtInfoEntity resourceExtInfo;
private String action;
private String actionType;
private boolean valid;
private String alg;
private String logInfo;
@NoArgsConstructor
@Data
public static class UiElementEntity
private MainTitleEntity mainTitle;
private ImageEntity image;
private List<String> labelTexts;
private String rcmdShowType;
@NoArgsConstructor
@Data
public static class MainTitleEntity
private String title;
@NoArgsConstructor
@Data
public static class ImageEntity
private String imageUrl;
@NoArgsConstructor
@Data
public static class ResourceExtInfoEntity
private long playCount;
private boolean highQuality;
private int specialType;
添加BannerExtInfoEntity（新banner的实体类）
@NoArgsConstructor
@Data
public class BannerExtInfoEntity
private List<BannersEntity> banners;
@NoArgsConstructor
@Data
public static class BannersEntity
private Object adLocation;
private Object monitorImpress;
private String bannerId;
private Object extMonitor;
private Object pid;
private String pic;
private Object program;
private Object video;
private Object adurlV2;
private Object adDispatchJson;
private Object dynamicVideoData;
private Object monitorType;
private Object adid;
private String titleColor;
private String requestId;
private boolean exclusive;
private String scm;
private Object event;
private String alg;
private String s_ctrp;
private SongEntity song;
private long targetId;
private boolean showAdTag;
private Object adSource;
private Object showContext;
private int targetType;
private String typeTitle;
private Object url;
private String encodeId;
private Object extMonitorInfo;
private Object monitorClick;
private Object monitorImpressList;
private Object monitorBlackList;
private Object monitorClickList;
@NoArgsConstructor
@Data
public static class SongEntity
private String name;
private int id;
private int pst;
private int t;
private List<ArEntity> ar;
private List<?> alia;
private int pop;
private int st;
private String rt;
private int fee;
private int v;
private Object crbt;
private String cf;
private AlEntity al;
private int dt;
private HEntity h;
private MEntity m;
private LEntity l;
private SqEntity sq;
private HrEntity hr;
private Object a;
private String cd;
private int no;
private Object rtUrl;
private int ftype;
private List<?> rtUrls;
private int djId;
private int copyright;
private int s_id;
private int mark;
private int originCoverType;
private Object originSongSimpleData;
private Object tagPicList;
private boolean resourceState;
private int version;
private Object songJumpInfo;
private Object entertainmentTags;
private int single;
private Object noCopyrightRcmd;
private int mst;
private int cp;
private int mv;
private int rtype;
private Object rurl;
private long publishTime;
private VideoInfoEntity videoInfo;
private List<String> tns;
private String alg;
@NoArgsConstructor
@Data
public static class AlEntity
private int id;
private String name;
private String picUrl;
private List<String> tns;
private String pic_str;
private long pic;
@NoArgsConstructor
@Data
public static class HEntity
private int br;
private int fid;
private int size;
private int vd;
private int sr;
@NoArgsConstructor
@Data
public static class MEntity
private int br;
private int fid;
private int size;
private int vd;
private int sr;
@NoArgsConstructor
@Data
public static class LEntity
private int br;
private int fid;
private int size;
private int vd;
private int sr;
@NoArgsConstructor
@Data
public static class SqEntity
private int br;
private int fid;
private int size;
private int vd;
private int sr;
@NoArgsConstructor
@Data
public static class HrEntity
private int br;
private int fid;
private int size;
private int vd;
private int sr;
@NoArgsConstructor
@Data
public static class VideoInfoEntity
private boolean moreThanOne;
private Object video;
@NoArgsConstructor
@Data
public static class ArEntity
private int id;
private String name;
private List<?> tns;
private List<?> alias;
添加ScrollView实现上下滑动
修改activity_main.xml:
<ScrollView
android:layout_width="match_parent"
android:layout_height="0dp"
app:layout_constraintTop_toBottomOf="@id/view_top"
app:layout_constraintBottom_toTopOf="@id/bottom_nav"
android:fillViewport="true">
<androidx.viewpager2.widget.ViewPager2
android:id="@+id/home_viewpager"
android:layout_width="match_parent"
android:layout_height="@dimen/dp_0"
app:layout_constraintTop_toBottomOf="@id/view_top"
app:layout_constraintBottom_toTopOf="@id/bottom_nav" />
</ScrollView>
新增DiscoverFragmentViewModel
public class DiscoverFragmentViewModel extends ViewModel
public String date = Calendar.getInstance().get(Calendar.DAY_OF_MONTH) + "";
public BannerExtInfoEntity bannerList;
public List<HomeDiscoverEntity.DataEntity.BlocksEntity.CreativesEntity> recommendList;
public List<HomeDiscoverEntity.DataEntity.BlocksEntity.CreativesEntity> selfMgcList;
public LiveData<ApiResponse<HomeDiscoverEntity>> requireDiscover(Boolean refresh)
return RetrofitUtils.getmApiUrl().requireHomeDiscover(refresh);
修改DiscoverFragment布局
<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
>
<data>
<variable
name="vm"
type="com.tobery.personalmusic.ui.home.discover.DiscoverFragmentViewModel" />
</data>
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/white80">
<View
android:id="@+id/view_title_bg"
android:layout_width="match_parent"
android:layout_height="@dimen/dp_45"
app:layout_constraintTop_toTopOf="parent"
android:background="@color/colorPrimary"
/>
<View
android:layout_width="match_parent"
android:layout_height="@dimen/dp_95"
app:layout_constraintTop_toBottomOf="@id/view_title_bg"
android:background="@color/colorPrimary"
/>
<com.youth.banner.Banner
android:id="@+id/banner_img"
android:layout_width="match_parent"
android:layout_height="@dimen/dp_160"
app:layout_constraintTop_toBottomOf="@id/view_title_bg"
android:layout_margin="@dimen/dp_16"
/>
<ImageView
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