GreenDao的使用以及断点续传

<?xml version="1.0" encoding="utf-8"?><RelativeLayout    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" tools:context="com.baway.liuheng.dialog.activity.MainActivity">    <android.support.v4.widget.SwipeRefreshLayout        android:id="@+id/sfl"        android:layout_width="368dp"        android:layout_height="495dp"        tools:layout_editor_absoluteY="8dp"        tools:layout_editor_absoluteX="8dp">        <android.support.v7.widget.RecyclerView            android:id="@+id/rlv"            android:layout_width="match_parent"            android:layout_height="match_parent">        </android.support.v7.widget.RecyclerView>    </android.support.v4.widget.SwipeRefreshLayout></RelativeLayout>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="horizontal" android:layout_width="match_parent"    android:layout_height="100dp">    <com.facebook.drawee.view.SimpleDraweeView        android:id="@+id/img"        android:layout_width="80dp"        android:layout_height="80dp"        android:layout_marginLeft="10dp"        android:layout_marginTop="5dp"        android:layout_marginBottom="5dp"/>    <LinearLayout        android:layout_width="0dp"        android:layout_height="match_parent"        android:layout_weight="1"        android:orientation="vertical">        <TextView            android:id="@+id/title"            android:layout_width="match_parent"            android:layout_height="0dp"            android:layout_weight="1"            android:textSize="20sp"            android:layout_marginTop="10dp"/>        <LinearLayout            android:id="@+id/ll"            android:layout_width="match_parent"            android:layout_height="0dp"            android:layout_weight="1"            android:visibility="gone"            android:gravity="center_vertical"            android:orientation="horizontal">            <SeekBar                android:id="@+id/sb"                android:layout_width="match_parent"                android:layout_height="wrap_content"                android:layout_weight="1"/>            <TextView                android:id="@+id/tv"                android:layout_width="wrap_content"                android:layout_height="match_parent"                android:textSize="18sp"                android:layout_marginLeft="5dp"                android:layout_marginRight="5dp"                android:gravity="center"                android:text="0%"/>        </LinearLayout>    </LinearLayout></LinearLayout>

view

package com.baway.liuheng.dialog.view;import com.baway.liuheng.dialog.bean.UserBean;import java.util.List;public interface RecyView {    void showRecy(List<UserBean.DataBean> ub);}
model

package com.baway.liuheng.dialog.model;import com.baway.liuheng.dialog.presenter.IRecyPresenter;public interface IRecyModel {    void recy(int type, IRecyPresenter rp);}

package com.baway.liuheng.dialog.model;import android.util.Log;import com.baway.liuheng.dialog.bean.UserBean;import com.baway.liuheng.dialog.inter.APIservice;import com.baway.liuheng.dialog.inter.APi;import com.baway.liuheng.dialog.presenter.IRecyPresenter;import com.jakewharton.retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;import org.reactivestreams.Publisher;import java.util.List;import io.reactivex.Flowable;import io.reactivex.android.schedulers.AndroidSchedulers;import io.reactivex.functions.Function;import io.reactivex.schedulers.Schedulers;import io.reactivex.subscribers.DisposableSubscriber;import retrofit2.Retrofit;import retrofit2.converter.gson.GsonConverterFactory;/** * Created by lenovo on 2017/11/11. */public class RecyModel implements IRecyModel {    @Override    public void recy(int type, final IRecyPresenter rp) {        Retrofit build = new Retrofit.Builder().baseUrl(APi.PATH)                .addConverterFactory(GsonConverterFactory.create())                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())                .build();        APIservice apIservice = build.create(APIservice.class);        Flowable<List<UserBean>> data = apIservice.getData(type);        data.subscribeOn(Schedulers.io())                .observeOn(AndroidSchedulers.mainThread()) //主线程                .flatMap(new Function<List<UserBean>, Publisher<UserBean>>() {                    @Override                    public Publisher<UserBean> apply(List<UserBean> userBeen) throws Exception {                        return Flowable.fromIterable(userBeen);                    }                })                .subscribeWith(new DisposableSubscriber<UserBean>() {            @Override            public void onNext(UserBean userBean) {                List<UserBean.DataBean> been = userBean.getData();                Log.i("====-=-=-=-=-",been.toString());                rp.show(been);            }            @Override            public void onError(Throwable t) {            }            @Override            public void onComplete() {            }        });    }}
API

package com.baway.liuheng.dialog.inter;/** * Created by lenovo on 2017/11/11. */public class APi {    public static final String PATH="http://mnews.gw.com.cn/wap/data/news/txs/";}
API
package com.baway.liuheng.dialog.inter;import com.baway.liuheng.dialog.bean.UserBean;import java.util.List;import io.reactivex.Flowable;import retrofit2.http.GET;import retrofit2.http.Path;/** * Created by lenovo on 2017/11/11. */public interface APIservice {    @GET("page_{type}.json")    Flowable<List<UserBean>> getData(@Path("type") int a);}
PRESENTER

package com.baway.liuheng.dialog.presenter;import com.baway.liuheng.dialog.bean.UserBean;import java.util.List;/** * Created by lenovo on 2017/11/11. */public interface IRecyPresenter {    void show(List<UserBean.DataBean> ub);    void showModel(int type);}

PRESENTER

package com.baway.liuheng.dialog.presenter;import com.baway.liuheng.dialog.bean.UserBean;import com.baway.liuheng.dialog.model.IRecyModel;import com.baway.liuheng.dialog.model.RecyModel;import com.baway.liuheng.dialog.view.RecyView;import java.util.List;/** * Created by lenovo on 2017/11/11. */public class RecyPresenter implements IRecyPresenter {    RecyView view;    IRecyModel model;    public RecyPresenter(RecyView view) {        this.view = view;        model=new RecyModel();    }    @Override    public void show(List<UserBean.DataBean> ub) {        view.showRecy(ub);    }    @Override    public void showModel(int type) {        model.recy(type,this);    }}

BEAN

package com.baway.liuheng.dialog.bean;import org.greenrobot.greendao.annotation.Entity;import org.greenrobot.greendao.annotation.Id;import org.greenrobot.greendao.annotation.Generated;/** * Created by lenovo on 2017/11/11. */@Entitypublic class ImgBean {    @Id(autoincrement = true)    Long Img;    String Url;    public String getUrl() {        return this.Url;    }    public void setUrl(String Url) {        this.Url = Url;    }    public Long getImg() {        return this.Img;    }    public void setImg(Long Img) {        this.Img = Img;    }    @Generated(hash = 1351764128)    public ImgBean(Long Img, String Url) {        this.Img = Img;        this.Url = Url;    }    @Generated(hash = 2027780091)    public ImgBean() {    }    }

ADAPTER

package com.baway.liuheng.dialog.adapter;import android.content.Context;import android.net.Uri;import android.support.v7.widget.RecyclerView;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.LinearLayout;import android.widget.SeekBar;import android.widget.TextView;import com.baway.liuheng.dialog.R;import com.baway.liuheng.dialog.bean.UserBean;import com.facebook.drawee.view.SimpleDraweeView;import java.util.List;/** * Created by lenovo on 2017/11/11. */public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder>{    private Context context;    private List<UserBean.DataBean> list;    public interface OnLintener{        void setOnLintener(int position, View view, View view1, View view2);    }    OnLintener onLintener;    public void setOnLintener(OnLintener onLintener) {        this.onLintener = onLintener;    }    public MyAdapter(Context context, List<UserBean.DataBean> list) {        this.context = context;        this.list = list;    }    @Override    public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        View view = LayoutInflater.from(context).inflate(R.layout.item,parent,false);        MyViewHolder holder = new MyViewHolder(view);        return holder;    }    @Override    public void onBindViewHolder(final MyViewHolder holder, final int position) {        String img = list.get(position).getImg();        Uri uri = Uri.parse(img);        holder.img.setImageURI(uri);        holder.title.setText(list.get(position).getTitle());        holder.title.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                onLintener.setOnLintener(position,holder.ll,holder.sb,holder.tv);            }        });    }    @Override    public int getItemCount() {        return list.size();    }    class MyViewHolder extends RecyclerView.ViewHolder {        private final TextView title;        private final SimpleDraweeView img;        private final LinearLayout ll;        private final SeekBar sb;        private final TextView tv;        public MyViewHolder(View itemView) {            super(itemView);            img = (SimpleDraweeView)itemView.findViewById(R.id.img);            title = (TextView)itemView.findViewById(R.id.title);            ll = (LinearLayout)itemView.findViewById(R.id.ll);            sb = (SeekBar)itemView.findViewById(R.id.sb);            tv = (TextView)itemView.findViewById(R.id.tv);        }    }}

ACTIVITY

package com.baway.liuheng.dialog.activity;import android.os.Bundle;import android.os.Environment;import android.os.Handler;import android.support.v4.widget.SwipeRefreshLayout;import android.support.v7.app.AppCompatActivity;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;import android.view.View;import android.widget.LinearLayout;import android.widget.SeekBar;import android.widget.TextView;import android.widget.Toast;import com.baway.liuheng.dialog.greendao.ImgBeanDao;import com.baway.liuheng.dialog.R;import com.baway.liuheng.dialog.adapter.MyAdapter;import com.baway.liuheng.dialog.bean.ImgBean;import com.baway.liuheng.dialog.bean.UserBean;import com.baway.liuheng.dialog.myapp.MyApp;import com.baway.liuheng.dialog.presenter.RecyPresenter;import com.baway.liuheng.dialog.view.RecyView;import java.util.List;import io.reactivex.android.schedulers.AndroidSchedulers;import io.reactivex.disposables.Disposable;import io.reactivex.functions.Action;import io.reactivex.functions.Consumer;import io.reactivex.schedulers.Schedulers;import zlc.season.rxdownload2.RxDownload;import zlc.season.rxdownload2.entity.DownloadStatus;public class MainActivity extends AppCompatActivity implements RecyView {    private RecyPresenter presenter;    private RecyclerView rlv;    private SwipeRefreshLayout sfl;    int a=1;    private ImgBeanDao dao;    private RxDownload rxDownload;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initView();        presenter = new RecyPresenter(this);        presenter.showModel(a);        dao = MyApp.getApplication().getDaoSession().getImgBeanDao();        //配置断点续传        rxDownload = RxDownload.getInstance(this).defaultSavePath(Environment.getExternalStorageDirectory() + "/LH").maxThread(3);    }    private void initView() {        rlv = (RecyclerView) findViewById(R.id.rlv);        rlv.setLayoutManager(new LinearLayoutManager(this));        //刷新条目        sfl = (SwipeRefreshLayout) findViewById(R.id.sfl);        sfl.setColorSchemeResources(R.color.colorAccent,R.color.colorPrimaryDark);        sfl.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {            @Override            public void onRefresh() {                new Handler().postDelayed(new Runnable() {                    @Override                    public void run() {                        sfl.setRefreshing(false);                        a++;                        presenter.showModel(a);                    }                },2000);            }        });    }    //回传数据    @Override    public void showRecy(List<UserBean.DataBean> ub) {        MyAdapter myAdapter = new MyAdapter(this, ub);        rlv.setAdapter(myAdapter);        for (int i = 0; i <ub.size(); i++) {            add(ub.get(i).getImg());        }        myAdapter.setOnLintener(new MyAdapter.OnLintener() {            @Override            public void setOnLintener(int position, View view, View view1, View view2) {                xiazai(query().get(position).getUrl(),(LinearLayout)view,(SeekBar)view1,(TextView)view2);            }        });    }    private void xiazai(String url, final LinearLayout view, final SeekBar view1, final TextView view2) {        Disposable disposable = rxDownload                .download(url)                       //只传url即可                .subscribeOn(Schedulers.io())                .observeOn(AndroidSchedulers.mainThread())                .subscribe(new Consumer<DownloadStatus>() {                    @Override                    public void accept(DownloadStatus status) throws Exception {                        //DownloadStatus为下载进度                        view.setVisibility(View.VISIBLE);                        double l = status.getDownloadSize() * 100 / status.getTotalSize();                        view1.setProgress((int) l);                        view2.setText(l+"%");                    }                }, new Consumer<Throwable>() {                    @Override                    public void accept(Throwable throwable) throws Exception {                        //下载失败                        new Handler().postDelayed(new Runnable() {                            @Override                            public void run() {                                view.setVisibility(View.GONE);                            }                        },2000);                        Toast.makeText(MainActivity.this,"下载失败",Toast.LENGTH_SHORT).show();                    }                }, new Action() {                    @Override                    public void run() throws Exception {                        //下载成功                        new Handler().postDelayed(new Runnable() {                            @Override                            public void run() {                                view.setVisibility(View.GONE);                            }                        },2000);                        Toast.makeText(MainActivity.this,"下载成功",Toast.LENGTH_SHORT).show();                    }                });    }    //插入数据    public void add(String Url){        ImgBean imgBean = new ImgBean();        imgBean.setUrl(Url);        dao.insert(imgBean);    }    //查询数据    public List<ImgBean> query(){        List<ImgBean> img=dao.loadAll();        return img;    }}

myapp

package com.baway.liuheng.dialog.myapp;import android.app.Application;import android.database.sqlite.SQLiteDatabase;import com.baway.liuheng.dialog.greendao.DaoMaster;import com.baway.liuheng.dialog.greendao.DaoSession;import com.facebook.drawee.backends.pipeline.Fresco;/** * Created by lenovo on 2017/11/11. */public class MyApp extends Application {    private static MyApp application;    private DaoMaster.DevOpenHelper mHelper;    private SQLiteDatabase db;    private DaoMaster mDaoMaster;    private DaoSession mDaoSession;    @Override    public void onCreate() {        super.onCreate();        application = this;        setDatabase();        Fresco.initialize(this);    }    public static MyApp getApplication() {        return application;    }    /**     * 设置greenDao     */    private void setDatabase() {        // 通过DaoMaster 的内部类 DevOpenHelper，你可以得到一个便利的SQLiteOpenHelper 对象。        // 可能你已经注意到了，你并不需要去编写「CREATE TABLE」这样的 SQL 语句，因为greenDAO 已经帮你做了。        // 注意：默认的DaoMaster.DevOpenHelper 会在数据库升级时，删除所有的表，意味着这将导致数据的丢失。        // 所以，在正式的项目中，你还应该做一层封装，来实现数据库的安全升级。        mHelper = new DaoMaster.DevOpenHelper(this,"notes-db", null);        db =mHelper.getWritableDatabase();        // 注意：该数据库连接属于DaoMaster，所以多个 Session 指的是相同的数据库连接。        mDaoMaster = new DaoMaster(db);        mDaoSession = mDaoMaster.newSession();    }    public DaoSession getDaoSession() {        return mDaoSession;    }    public SQLiteDatabase getDb() {        return db;    }}

QUANXIAN

compile 'com.squareup.retrofit2:retrofit:2.0.0'compile 'com.squareup.retrofit2:converter-gson:2.0.2'compile 'io.reactivex.rxjava2:rxjava:2.0.0-RC3'compile 'com.jakewharton.retrofit:retrofit2-rxjava2-adapter:1.0.0-RC3'compile 'io.reactivex.rxjava2:rxandroid:2.0.0-RC1'compile 'com.facebook.fresco:fresco:1.5.0'compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'compile'org.greenrobot:greendao:3.1.0'compile'org.greenrobot:greendao-generator:3.1.0'compile 'zlc.season:rxdownload2:2.0.4'
<uses-permission android:name="android.permission.INTERNET"/>
android:name=".myapp.MyApp"

GREENDAO的集成

classpath 'org.greenrobot:greendao-gradle-plugin:3.1.0'
apply plugin:'org.greenrobot.greendao'
greendao{    schemaVersion 1    daoPackage'com.baway.liuheng.dialog'    targetGenDir'src/main/java'}
compile'org.greenrobot:greendao:3.1.0'compile'org.greenrobot:greendao-generator:3.1.0'