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 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> data = apIservice.getData(type);
        data.subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread()) //主线程
                .flatMap(new Function, Publisher>() {
                    @Override
                    public Publisher apply(List userBeen) throws Exception {

                        return Flowable.fromIterable(userBeen);
                    }
                })
                .subscribeWith(new DisposableSubscriber() {
            @Override
            public void onNext(UserBean userBean) {
                List 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> 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 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 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.
 */
@Entity
public 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 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 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 ub) {
        MyAdapter myAdapter = new MyAdapter(this, ub);
        rlv.setAdapter(myAdapter);
        for (int i = 0; i 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() {
                    @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() {
                    @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 query(){
        List 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'