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.
 */
@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<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'

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GreenDao的使用以及断点续传

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