大疆无人机二次开发之百度离线地图下载

 
 
 
 
dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    compile files('libs/BaiduLBS_Android.jar')
    compile files('libs/pinyin4j-2.5.0.jar')
    compile 'com.squareup:otto:1.3.8'
}
Dispatcher.java
package com.dji.sdk.Dispatcher;

import com.squareup.otto.Bus;
import com.squareup.otto.ThreadEnforcer;

/**
 * Created by on 2017/12/4.
 */

public class Dispatcher {
    private static Dispatcher dispatcher;
    private final Bus bus = new Bus(ThreadEnforcer.ANY);

    public static Dispatcher getInstance(){
        if (dispatcher == null){
            dispatcher = new Dispatcher();
        }
        return dispatcher;
    }

    private Dispatcher(){

    }

    public void register(Object obj){
        bus.register(obj);
    }

    public void unregister(Object obj){
        bus.unregister(obj);
    }

    public void post(Object envent){
        bus.post(envent);
    }
}

ActivityOfflineMap.java

import android.app.Activity;
import android.app.AlarmManager;
import android.app.Dialog;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.ColorStateList;
import android.databinding.DataBindingUtil;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.ViewCompat;
import android.support.v7.app.AlertDialog;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import com.baidu.mapapi.map.offline.MKOLSearchRecord;
import com.baidu.mapapi.map.offline.MKOLUpdateElement;
import com.baidu.mapapi.map.offline.MKOfflineMap;
import com.baidu.mapapi.map.offline.MKOfflineMapListener;
import com.dji.sdk.LocalMapInfo;
import com.dji.sdk.Dispatcher.Dispatcher;
import com.dji.sdk.R;
import com.dji.sdk.databinding.ItemListLocalmapBinding;
import com.squareup.otto.Subscribe;

import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.HanyuPinyinVCharType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;

import java.util.ArrayList;

import static com.dji.sdk.LocalMapInfo.UNDEFINED;

/**
 * Created by admin on 2017/2/24.
 */

public class ActivityOfflineMap extends Activity implements MKOfflineMapListener {

    private MKOfflineMap mOffline = null;
    private TextView downView;
    private EditText et_Serch;
    private TextView tv_hottextview;
    private TextView tv_alltextview;
    private RecyclerView localMapListRecyclerView;
    private RecyclerView downlocalMapListRecyclerView;
    private RecyclerView hotMapListRecyclerView;
    private RecyclerView serverMapListRecyclerView;
    private Button btn_clButton;
    private Button btn_localButton;
    private TextView textView = null;
    //private RelativeLayout relativeLayout_Main;
    private ProgressBar progressBar_Wait;
    private boolean bWait = true;
    private TextView textView_wait;
    private boolean bRefresh = false;
    /**
     * 已下载的离线地图信息列表
     */
    private ArrayList<MKOLUpdateElement> localMapList = null;
    private ArrayList<LocalMapInfo> localMapInfoList = null;
    private ArrayList<LocalMapInfo> downlocalMapInfoList = null;
    private LocalMapRecyclerAdapter localMapRecyclerAdapter = null;
    private LocalMapRecyclerAdapter downlocalMapRecyclerAdapter = null;
    private ArrayList<LocalMapInfo> serverMapInfoList = null;
    private LocalMapRecyclerAdapter serverMapRecyclerAdapter = null;
    private ArrayList<LocalMapInfo> hotMapInfoList = null;
    private LocalMapRecyclerAdapter hotMapRecyclerAdapter = null;
    // private LocalMapAdapter lAdapter = null;//废弃
    private LinearLayout cl;
    private LinearLayout lm;

    private SharedPreferences sp;
    ColorStateList list1;
    ColorStateList list2;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_offline);
        mOffline = new MKOfflineMap();
        mOffline.init(this);
        sp = getSharedPreferences(Constant.MySp, 0);
        initView();

    }

    private void initView() {
        //relativeLayout_Main = (RelativeLayout)findViewById(R.id.relativeLayout_main);
        progressBar_Wait = (ProgressBar)findViewById(R.id.progressBar_wait);
        textView_wait = (TextView)findViewById(R.id.textView_wait);
        //cidView = (TextView) findViewById(R.id.cityid);
        //cityNameView = (EditText) findViewById(R.id.city);
        //stateView = (TextView) findViewById(R.id.state);
        downView = (TextView) findViewById(R.id.downtextview);
        cl = (LinearLayout) findViewById(R.id.citylist_layout);
        lm = (LinearLayout) findViewById(R.id.localmap_layout);
        et_Serch = (EditText) findViewById(R.id.et_serch);
        tv_hottextview = (TextView) findViewById(R.id.hottextview);
        tv_alltextview = (TextView) findViewById(R.id.alltextview);
        localMapListRecyclerView = (RecyclerView) findViewById(R.id.localmaplist);
        downlocalMapListRecyclerView = (RecyclerView) findViewById(R.id.downlocalmaplist);
        hotMapListRecyclerView = (RecyclerView) findViewById(R.id.hotcitylist);
        serverMapListRecyclerView = (RecyclerView) findViewById(R.id.allcitylist);
        btn_clButton = (Button) findViewById(R.id.clButton);
        btn_localButton = (Button) findViewById(R.id.localButton);
        list1 = ViewCompat.getBackgroundTintList(btn_clButton);
        list2 = ViewCompat.getBackgroundTintList(btn_localButton);
        et_Serch.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {
                //变化
                if (s.toString().equals("")) {
                    tv_hottextview.setVisibility(View.VISIBLE);
                    tv_alltextview.setVisibility(View.VISIBLE);
                    hotMapListRecyclerView.setVisibility(View.VISIBLE);
                } else {
                    tv_hottextview.setVisibility(View.GONE);
                    tv_alltextview.setVisibility(View.GONE);
                    hotMapListRecyclerView.setVisibility(View.GONE);
                }
                serverMapRecyclerAdapter.setFilter(!getPingYin(s.toString()).equals(getPinYinHeadChar(s.toString())) ? getPingYin(s.toString()) : getPinYinHeadChar(s.toString()));
            }
        });
        LinearLayout cl = (LinearLayout) findViewById(R.id.citylist_layout);
        LinearLayout lm = (LinearLayout) findViewById(R.id.localmap_layout);
        lm.setVisibility(View.GONE);
        cl.setVisibility(View.VISIBLE);
        Thread thread=new Thread(new Runnable()
        {
            @Override
            public void run()
            {
                refreshData();
            }
        });
        thread.start();
    }
   
    /**
     * 切换至城市列表
     *
     * @param view
     */
    public void clickCityListButton(View view) {
        if (!bWait){
            lm.setVisibility(View.GONE);
            cl.setVisibility(View.VISIBLE);
            hotMapRecyclerAdapter.notifyDataSetChanged();
            serverMapRecyclerAdapter.notifyDataSetChanged();
            btn_clButton.setTextColor(Color.WHITE);
            ViewCompat.setBackgroundTintList(btn_clButton, list1);
            btn_localButton.setTextColor(Color.BLACK);
            ViewCompat.setBackgroundTintList(btn_localButton, list2);
            updateView();
        }
    }

    /**
     * 切换至下载管理列表
     *
     * @param view
     */
    public void clickLocalMapListButton(View view) {
        if (!bWait){
            lm.setVisibility(View.VISIBLE);
            cl.setVisibility(View.GONE);
            localMapRecyclerAdapter.notifyDataSetChanged();
            downlocalMapRecyclerAdapter.notifyDataSetChanged();
            btn_clButton.setTextColor(Color.BLACK);
            ViewCompat.setBackgroundTintList(btn_clButton, list2);
            btn_localButton.setTextColor(Color.WHITE);
            ViewCompat.setBackgroundTintList(btn_localButton, list1);
            updateView();
        }
    }

    /**
     * 更新状态显示
     */
    public void updateView() {
        localMapList = mOffline.getAllUpdateInfo();
        ArrayList<LocalMapInfo> localMapInfoListTemp = new ArrayList<LocalMapInfo>();
        ArrayList<LocalMapInfo> downlocalMapInfoListTemp = new ArrayList<LocalMapInfo>();
        if (localMapList == null) {
            localMapList = new ArrayList<MKOLUpdateElement>();
        } else {
            for (int iLoop = 0; iLoop < localMapList.size(); iLoop++) {
                //已完成的
                if (localMapList.get(iLoop).status == MKOLUpdateElement.FINISHED) {
                    LocalMapInfo localMapInfo = new LocalMapInfo(localMapList.get(iLoop));
                    localMapInfoListTemp.add(localMapInfo);
                } else if (localMapList.get(iLoop).status == MKOLUpdateElement.DOWNLOADING ||
                        localMapList.get(iLoop).status == MKOLUpdateElement.WAITING ||
                        localMapList.get(iLoop).status == MKOLUpdateElement.SUSPENDED ||
                        localMapList.get(iLoop).status == MKOLUpdateElement.eOLDSWifiError) {
                    LocalMapInfo localMapInfo = new LocalMapInfo(localMapList.get(iLoop));
                    downlocalMapInfoListTemp.add(localMapInfo);
                }
            }
            //和原始数据比较
            for (int jLoop = 0; jLoop < downlocalMapInfoListTemp.size(); jLoop++) {
                LocalMapInfo localMapInfoTemp = downlocalMapInfoListTemp.get(jLoop);
                boolean b = false;
                for (int zLoop = 0; zLoop < downlocalMapInfoList.size(); zLoop++) {
                    LocalMapInfo localMapInfo = downlocalMapInfoList.get(zLoop);
                    if (localMapInfo.cityID == localMapInfoTemp.cityID) {//存在就更新
                        downlocalMapInfoList.set(zLoop, localMapInfoTemp);
                        b = true;
                        break;
                    }
                }
                if (!b) {//不存在就添加
                    downlocalMapInfoList.add(localMapInfoTemp);
                }
            }
            //比较完后如果原始数据以没有的,清除
            boolean b = false;
            for (int z = downlocalMapInfoList.size() - 1; z >= 0; z--) {
                for (int j = 0; j < downlocalMapInfoListTemp.size(); j++) {
                    if (downlocalMapInfoList.get(z).cityID == downlocalMapInfoListTemp.get(j).cityID) {
                        b = true;
                        break;
                    }
                }
                if (!b)
                    downlocalMapInfoList.remove(z);
            }
            boolean bRefesh = false;
            //和原始数据比较
            for (int jLoop = 0; jLoop < localMapInfoListTemp.size(); jLoop++) {
                LocalMapInfo localMapInfoTemp = localMapInfoListTemp.get(jLoop);
                boolean c = false;
                for (int zLoop = 0; zLoop < localMapInfoList.size(); zLoop++) {
                    LocalMapInfo localMapInfo = localMapInfoList.get(zLoop);
                    if (localMapInfo.cityID == localMapInfoTemp.cityID) {//存在就更新
                        localMapInfoList.set(jLoop, localMapInfoTemp);
                        c = true;
                        break;
                    }
                }
                if (!c) {//不存在就添加
                    localMapInfoList.add(localMapInfoTemp);
                    for (int k = 0; k < downlocalMapInfoList.size(); k++) {
                        if (downlocalMapInfoList.get(k).cityID == localMapInfoTemp.cityID) {
                            downlocalMapInfoList.remove(k);
                            break;
                        }
                    }
                    bRefesh = true;
                }
            }
            //比较完后如果原始数据以没有的,清除
            boolean c = false;
            for (int z = localMapInfoList.size() - 1; z >= 0; z--) {
                for (int j = 0; j < localMapInfoListTemp.size(); j++) {
                    if (localMapInfoList.get(z).cityID == localMapInfoListTemp.get(j).cityID) {
                        c = true;
                        break;
                    }
                }
                if (!c) {
                    localMapInfoList.remove(z);
                    bRefesh = true;
                }
            }

            if (downlocalMapInfoList.size() > 0) {
                downView.setVisibility(View.VISIBLE);
                LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) downlocalMapListRecyclerView.getLayoutParams();
                if (downlocalMapInfoList.size() > 5) {
                    params.height = dip2px(ActivityOfflineMap.this, 200);
                    downlocalMapListRecyclerView.setLayoutParams(params);
                } else {
                    params.height = LinearLayout.LayoutParams.WRAP_CONTENT;
                    downlocalMapListRecyclerView.setLayoutParams(params);
                }
            } else {
                downView.setVisibility(View.GONE);
            }

            //更新数据

            for (int iLoop = 0; iLoop < hotMapInfoList.size(); iLoop++) {
                b = false;
                for (int jLoop = 0; jLoop < downlocalMapInfoList.size(); jLoop++) {
                    if (hotMapInfoList.get(iLoop).cityID == downlocalMapInfoList.get(jLoop).cityID) {
                        hotMapInfoList.get(iLoop).ratio = downlocalMapInfoList.get(jLoop).ratio;
                        hotMapInfoList.get(iLoop).status = downlocalMapInfoList.get(jLoop).status;
                        hotMapInfoList.get(iLoop).geoPt = downlocalMapInfoList.get(jLoop).geoPt;
                        hotMapInfoList.get(iLoop).size = downlocalMapInfoList.get(jLoop).size;
                        hotMapInfoList.get(iLoop).serversize = downlocalMapInfoList.get(jLoop).serversize;
                        hotMapInfoList.get(iLoop).level = downlocalMapInfoList.get(jLoop).level;
                        hotMapInfoList.get(iLoop).update = downlocalMapInfoList.get(jLoop).update;
                        hotMapInfoList.get(iLoop).setnDownloadedSize(hotMapInfoList.get(iLoop).size);
                        hotMapInfoList.get(iLoop).updataColor();
                        b = true;
                        break;
                    }
                }
                if (!b) {
                    for (int jLoop = 0; jLoop < localMapInfoList.size(); jLoop++) {
                        if (hotMapInfoList.get(iLoop).cityID == localMapInfoList.get(jLoop).cityID) {
                            hotMapInfoList.get(iLoop).ratio = localMapInfoList.get(jLoop).ratio;
                            hotMapInfoList.get(iLoop).status = localMapInfoList.get(jLoop).status;
                            hotMapInfoList.get(iLoop).geoPt = localMapInfoList.get(jLoop).geoPt;
                            hotMapInfoList.get(iLoop).size = localMapInfoList.get(jLoop).size;
                            hotMapInfoList.get(iLoop).serversize = localMapInfoList.get(jLoop).serversize;
                            hotMapInfoList.get(iLoop).level = localMapInfoList.get(jLoop).level;
                            hotMapInfoList.get(iLoop).update = localMapInfoList.get(jLoop).update;
                            hotMapInfoList.get(iLoop).setnDownloadedSize(hotMapInfoList.get(iLoop).size);
                            hotMapInfoList.get(iLoop).updataColor();
                            b = true;
                            break;
                        }
                    }
                }
                if (!b && hotMapInfoList.get(iLoop).status != UNDEFINED) {//没找到
                    hotMapInfoList.get(iLoop).size = (long)0;
                    hotMapInfoList.get(iLoop).status = UNDEFINED;
                    hotMapInfoList.get(iLoop).setnDownloadedSize((long)0);
                    hotMapInfoList.get(iLoop).updataColor();
                }
            }
            for (int iLoop = 0; iLoop < serverMapInfoList.size(); iLoop++) {
                b = false;
                for (int jLoop = 0; jLoop < downlocalMapInfoList.size(); jLoop++) {
                    if (serverMapInfoList.get(iLoop).cityID == downlocalMapInfoList.get(jLoop).cityID) {
                        serverMapInfoList.get(iLoop).ratio = downlocalMapInfoList.get(jLoop).ratio;
                        serverMapInfoList.get(iLoop).status = downlocalMapInfoList.get(jLoop).status;
                        serverMapInfoList.get(iLoop).geoPt = downlocalMapInfoList.get(jLoop).geoPt;
                        serverMapInfoList.get(iLoop).size = downlocalMapInfoList.get(jLoop).size;
                        serverMapInfoList.get(iLoop).serversize = downlocalMapInfoList.get(jLoop).serversize;
                        serverMapInfoList.get(iLoop).level = downlocalMapInfoList.get(jLoop).level;
                        serverMapInfoList.get(iLoop).update = downlocalMapInfoList.get(jLoop).update;
                        serverMapInfoList.get(iLoop).setnDownloadedSize(serverMapInfoList.get(iLoop).size);
                        serverMapInfoList.get(iLoop).updataColor();
                        b = true;
                        break;
                    }
                }
                if (!b) {
                    for (int jLoop = 0; jLoop < localMapInfoList.size(); jLoop++) {
                        if (serverMapInfoList.get(iLoop).cityID == localMapInfoList.get(jLoop).cityID) {
                            serverMapInfoList.get(iLoop).ratio = localMapInfoList.get(jLoop).ratio;
                            serverMapInfoList.get(iLoop).status = localMapInfoList.get(jLoop).status;
                            serverMapInfoList.get(iLoop).geoPt = localMapInfoList.get(jLoop).geoPt;
                            serverMapInfoList.get(iLoop).size = localMapInfoList.get(jLoop).size;
                            serverMapInfoList.get(iLoop).serversize = localMapInfoList.get(jLoop).serversize;
                            serverMapInfoList.get(iLoop).level = localMapInfoList.get(jLoop).level;
                            serverMapInfoList.get(iLoop).update = localMapInfoList.get(jLoop).update;
                            serverMapInfoList.get(iLoop).setnDownloadedSize(serverMapInfoList.get(iLoop).size);
                            serverMapInfoList.get(iLoop).updataColor();
                            b = true;
                            break;
                        }
                    }
                }
                if (!b && serverMapInfoList.get(iLoop).status != UNDEFINED) {//没找到
                    serverMapInfoList.get(iLoop).size = (long)0;
                    serverMapInfoList.get(iLoop).status = UNDEFINED;
                    serverMapInfoList.get(iLoop).setnDownloadedSize((long)0);
                    serverMapInfoList.get(iLoop).updataColor();
                }
            }


            if (lm.getVisibility() == View.VISIBLE) {
                if (bRefesh)
                    localMapRecyclerAdapter.notifyDataSetChanged();
                downlocalMapRecyclerAdapter.notifyDataSetChanged();
            } else {
                hotMapRecyclerAdapter.notifyDataSetChanged();
                serverMapRecyclerAdapter.notifyDataSetChanged();
            }
        }
    }

    @Override
    protected void onPause() {
        super.onPause();
        Dispatcher.getInstance().unregister(this);
    }

    @Override
    protected void onResume() {
        super.onResume();
        Dispatcher.getInstance().register(this);
    }

    @Subscribe
    public void updata(String type) {
        updateView();
    }

    @Override
    protected void onDestroy() {
        /**
         * 退出时,销毁离线地图模块
         */
        mOffline.destroy();
        super.onDestroy();
    }

    @Override
    public void onGetOfflineMapState(int type, int state) {
        switch (type) {
            case MKOfflineMap.TYPE_DOWNLOAD_UPDATE: {
                MKOLUpdateElement update = mOffline.getUpdateInfo(state);
                // 处理下载进度更新提示
                if (update != null) {
                    //如果下载完成则下载另外一个
                    if (update.ratio == 100) {
                        for (int iLoop = 0; iLoop < downlocalMapInfoList.size(); iLoop++) {
                            if (update.cityID != downlocalMapInfoList.get(iLoop).cityID) {
                                mOffline.start(downlocalMapInfoList.get(iLoop).cityID);
                                break;
                            }
                        }
                        new Handler().postDelayed(new Runnable() {
                            public void run() {
                                updateView();
                            }
                        }, 500);
                    }
                    updateView();
                }
            }
            break;
            case MKOfflineMap.TYPE_NEW_OFFLINE:
                // 有新离线地图安装
                Log.d("OfflineDemo", String.format("add offlinemap num:%d", state));
                break;
            case MKOfflineMap.TYPE_VER_UPDATE:
                // 版本更新提示
                // MKOLUpdateElement e = mOffline.getUpdateInfo(state);

                break;
            default:
                break;
        }

    }

    /**
     * Author: 
     * CreateTime: 2017/9/29 10:53
     * Comment: 离线地图管理列表适配器
     * Param:
     */
    public class LocalMapRecyclerAdapter extends RecyclerView.Adapter<LocalMapRecyclerAdapter.LocalMapViewHolder> {

        private ArrayList<LocalMapInfo> localMapInfoList;
        private ArrayList<LocalMapInfo> localMapInfoListTep;
        private Activity activity;
        private String csFilter = "";//列表过滤器

        public LocalMapRecyclerAdapter(Activity activity, ArrayList<LocalMapInfo> localMapInfoList) {
            this.activity = activity;
            this.localMapInfoList = localMapInfoList;
        }

        public void refreshAll(ArrayList<LocalMapInfo> localMapInfoList) {
            this.localMapInfoList = localMapInfoList;
            notifyDataSetChanged();
        }

        @Override
        public LocalMapViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
            ItemListLocalmapBinding binding = ItemListLocalmapBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
            return new LocalMapViewHolder(binding.getRoot());
        }

        public void setFilter(String csFilter) {
            this.csFilter = csFilter;
            notifyDataSetChanged();
        }

        @Override
        public void onBindViewHolder(LocalMapViewHolder holder, final int position) {
            final LocalMapInfo localMapInfo;
            if (!csFilter.equals(""))
                localMapInfo = localMapInfoListTep.get(position);
            else
                localMapInfo = localMapInfoList.get(position);

            holder.binding.itemTaskList.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    if (localMapInfo.status == MKOLUpdateElement.DOWNLOADING ||
                            localMapInfo.status == MKOLUpdateElement.WAITING) {
                        mOffline.pause(localMapInfo.cityID);
                        localMapInfo.status = MKOLUpdateElement.SUSPENDED;
                        notifyDataSetChanged();
                    } else if (localMapInfo.status == MKOLUpdateElement.SUSPENDED) {
                        mOffline.start(localMapInfo.cityID);
                    } else if (localMapInfo.status == MKOLUpdateElement.eOLDSWifiError) {
                        mOffline.remove(localMapInfo.cityID);
                        mOffline.start(localMapInfo.cityID);
                    } else if (localMapInfo.status == MKOLUpdateElement.FINISHED) {
                        if (localMapInfo.update)
                            mOffline.update(localMapInfo.cityID);
                    } else if (localMapInfo.status == MKOLUpdateElement.UNDEFINED) {
                        mOffline.start(localMapInfo.cityID);
                    }
                    localMapInfo.updataColor();
                    Dispatcher.getInstance().post("updata");
                }
            });
            holder.binding.itemTaskList.setOnLongClickListener(new View.OnLongClickListener() {
                @Override
                public boolean onLongClick(final View v) {
                    //if (localMapInfo.size > 0) {
                    new AlertDialog.Builder(ActivityOfflineMap.this).setTitle("是否删除<" + localMapInfo.cityName + ">离线包?")
                            .setIcon(android.R.drawable.ic_dialog_info)
                            .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int which) {
                                    mOffline.pause(localMapInfo.cityID);
                                    mOffline.remove(localMapInfo.cityID);
                                    if (localMapInfo.bServer) {
                                        localMapInfo.size = (long)0;
                                        localMapInfo.setnDownloadedSize((long)0);
                                        localMapInfo.status = UNDEFINED;
                                        localMapInfo.updataColor();
                                    } else {
                                        if (!csFilter.equals(""))
                                            localMapInfoListTep.remove(position);
                                        else
                                            localMapInfoList.remove(position);
                                    }
                                    notifyDataSetChanged();
                                    Dispatcher.getInstance().post("updata");
                                }
                            })
                            .setNegativeButton("取消", new DialogInterface.OnClickListener() {

                                @Override
                                public void onClick(DialogInterface dialog, int which) {
                                    // 点击“返回”后的操作,这里不设置没有任何操作
                                }
                            }).show();
                    // }
                    return false;
                }
            });
            holder.binding.setLocalMapInfo(localMapInfo);
        }

        @Override
        public int getItemCount() {
            if (!csFilter.equals("")) {
                localMapInfoListTep = new ArrayList<LocalMapInfo>();
                for (int iLoop = 0; iLoop < localMapInfoList.size(); iLoop++) {
                    if (localMapInfoList.get(iLoop).csCityPY.contains(this.csFilter) ||
                            localMapInfoList.get(iLoop).csCityPYAll.contains(this.csFilter)) {
                        localMapInfoListTep.add(localMapInfoList.get(iLoop));
                    }
                }
                return localMapInfoListTep.size();
            } else
                return localMapInfoList.size();
        }

        @Override
        public long getItemId(int position) {
            return position - 1;
        }

        public class LocalMapViewHolder extends RecyclerView.ViewHolder {
            ItemListLocalmapBinding binding;

            public LocalMapViewHolder(View itemView) {
                super(itemView);
                binding = DataBindingUtil.bind(itemView);
            }
        }
    }

    /**
     * 得到中文首字母
     *
     * @param str
     * @return
     */
    public static String getPinYinHeadChar(String str) {

        String convert = "";
        for (int j = 0; j < str.length(); j++) {
            char word = str.charAt(j);
            String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(word);
            if (pinyinArray != null) {
                convert += pinyinArray[0].charAt(0);
            } else {
                convert += word;
            }
        }
        return convert;
    }

    /**
     * 得到 全拼
     *
     * @param src
     * @return
     */
    public static String getPingYin(String src) {
        char[] t1 = null;
        t1 = src.toCharArray();
        String[] t2 = new String[t1.length];
        HanyuPinyinOutputFormat t3 = new HanyuPinyinOutputFormat();
        t3.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        t3.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        t3.setVCharType(HanyuPinyinVCharType.WITH_V);
        String t4 = "";
        int t0 = t1.length;
        try {
            for (int i = 0; i < t0; i++) {
                // 判断是否为汉字字符
                if (Character.toString(t1[i]).matches("[\\u4E00-\\u9FA5]+")) {
                    t2 = PinyinHelper.toHanyuPinyinStringArray(t1[i], t3);
                    t4 += t2 == null ? t1[i] : t2[0];
                } else {
                    t4 += Character.toString(t1[i]);
                }
            }
            return t4;
        } catch (BadHanyuPinyinOutputFormatCombination e1) {
            e1.printStackTrace();
        }
        return t4.toLowerCase();
    }

    private void refreshData() {
        bRefresh = true;
        // 获取已下过的离线地图信息
        localMapList = mOffline.getAllUpdateInfo();
        localMapInfoList = new ArrayList<LocalMapInfo>();
        downlocalMapInfoList = new ArrayList<LocalMapInfo>();
        if (localMapList == null) {
            localMapList = new ArrayList<MKOLUpdateElement>();
        } else {
            for (int iLoop = 0; iLoop < localMapList.size(); iLoop++) {
                //已完成的
                if (localMapList.get(iLoop).status == MKOLUpdateElement.FINISHED) {
                    LocalMapInfo localMapInfo = new LocalMapInfo(localMapList.get(iLoop));
                    localMapInfoList.add(localMapInfo);
                } else if (localMapList.get(iLoop).status == MKOLUpdateElement.DOWNLOADING ||
                        localMapList.get(iLoop).status == MKOLUpdateElement.WAITING ||
                        localMapList.get(iLoop).status == MKOLUpdateElement.SUSPENDED ||
                        localMapList.get(iLoop).status == MKOLUpdateElement.eOLDSWifiError) {
                    LocalMapInfo localMapInfo = new LocalMapInfo(localMapList.get(iLoop));
                    downlocalMapInfoList.add(localMapInfo);
                }
            }
        }

        // 获取热门城市列表
        ArrayList<MKOLSearchRecord> records1 = mOffline.getHotCityList();
        hotMapInfoList = new ArrayList<LocalMapInfo>();
        if (records1 != null) {
            for (int iLoop = 0; iLoop < records1.size(); iLoop++) {
                /*MKOLUpdateElement mKOLUpdateElement = new MKOLUpdateElement();
                mKOLUpdateElement.cityID = records1.get(iLoop).cityID;
                mKOLUpdateElement.cityName = records1.get(iLoop).cityName;
                mKOLUpdateElement.serversize = (int)records1.get(iLoop).dataSize;*/
                LocalMapInfo localMapInfo = new LocalMapInfo(records1.get(iLoop));
                localMapInfo.setbHot(true);
                localMapInfo.setbServer(true);
                localMapInfo.updataColor();
                //和本地数据比较
                boolean b = false;
                for (int zLoop = 0; zLoop < downlocalMapInfoList.size(); zLoop++) {
                    if (localMapInfo.cityID == downlocalMapInfoList.get(zLoop).cityID) {
                        try {
                            localMapInfo = (LocalMapInfo) downlocalMapInfoList.get(zLoop).clone();
                        } catch (CloneNotSupportedException e) {
                            e.printStackTrace();
                        }
                        localMapInfo.setbServer(true);
                        localMapInfo.setbHot(true);
                        localMapInfo.updataColor();
                        hotMapInfoList.add(localMapInfo);
                        b = true;
                        break;
                    }
                }
                if (!b) {
                    for (int zLoop = 0; zLoop < localMapInfoList.size(); zLoop++) {
                        if (localMapInfo.cityID == localMapInfoList.get(zLoop).cityID) {
                            try {
                                localMapInfo = (LocalMapInfo) localMapInfoList.get(zLoop).clone();
                            } catch (CloneNotSupportedException e) {
                                e.printStackTrace();
                            }
                            localMapInfo.setbServer(true);
                            localMapInfo.setbHot(true);
                            localMapInfo.updataColor();
                            hotMapInfoList.add(localMapInfo);
                            b = true;
                            break;
                        }
                    }
                }
                if (!b)
                    hotMapInfoList.add(localMapInfo);
            }
        }
        // 获取所有支持离线地图的城市
        serverMapInfoList = new ArrayList<LocalMapInfo>();
        ArrayList<MKOLSearchRecord> records2 = mOffline.getOfflineCityList();
        if (records2 != null) {
            for (int iLoop = 0; iLoop < records2.size(); iLoop++) {
                /*MKOLUpdateElement mKOLUpdateElement = new MKOLUpdateElement();
                mKOLUpdateElement.cityID = records2.get(iLoop).cityID;
                mKOLUpdateElement.cityName = records2.get(iLoop).cityName;
                mKOLUpdateElement.serversize = (int)records2.get(iLoop).dataSize;*/
                LocalMapInfo localMapInfo = new LocalMapInfo(records2.get(iLoop));
                localMapInfo.setbServer(true);
                localMapInfo.updataColor();
                //和本地数据比较
                boolean b = false;
                for (int zLoop = 0; zLoop < downlocalMapInfoList.size(); zLoop++) {
                    if (localMapInfo.cityID == downlocalMapInfoList.get(zLoop).cityID) {
                        try {
                            localMapInfo = (LocalMapInfo) downlocalMapInfoList.get(zLoop).clone();
                        } catch (CloneNotSupportedException e) {
                            e.printStackTrace();
                        }
                        localMapInfo.setbServer(true);
                        localMapInfo.updataColor();
                        serverMapInfoList.add(localMapInfo);
                        b = true;
                        break;
                    }
                }
                if (!b) {
                    for (int zLoop = 0; zLoop < localMapInfoList.size(); zLoop++) {
                        if (localMapInfo.cityID == localMapInfoList.get(zLoop).cityID) {
                            try {
                                localMapInfo = (LocalMapInfo) localMapInfoList.get(zLoop).clone();
                            } catch (CloneNotSupportedException e) {
                                e.printStackTrace();
                            }
                            localMapInfo.setbServer(true);
                            localMapInfo.updataColor();
                            serverMapInfoList.add(localMapInfo);
                            b = true;
                            break;
                        }
                    }
                }
                if (!b)
                    serverMapInfoList.add(localMapInfo);
                //如果是第一级,就是省循环城市
                if (records2.get(iLoop).cityType == 1) {
                    for (int jLoop = 0; jLoop < records2.get(iLoop).childCities.size(); jLoop++) {
                        /*mKOLUpdateElement = new MKOLUpdateElement();
                        mKOLUpdateElement.cityID = records2.get(iLoop).childCities.get(jLoop).cityID;
                        mKOLUpdateElement.cityName = records2.get(iLoop).childCities.get(jLoop).cityName;
                        mKOLUpdateElement.serversize = (int) records2.get(iLoop).childCities.get(jLoop).dataSize;*/
                        localMapInfo = new LocalMapInfo(records2.get(iLoop).childCities.get(jLoop));
                        localMapInfo.setbServer(true);
                        localMapInfo.updataColor();
                        localMapInfo.setChildCity();
                        //和本地数据比较
                        b = false;
                        for (int zLoop = 0; zLoop < downlocalMapInfoList.size(); zLoop++) {
                            if (localMapInfo.cityID == downlocalMapInfoList.get(zLoop).cityID) {
                                try {
                                    localMapInfo = (LocalMapInfo) downlocalMapInfoList.get(zLoop).clone();
                                } catch (CloneNotSupportedException e) {
                                    e.printStackTrace();
                                }
                                localMapInfo.setbServer(true);
                                localMapInfo.updataColor();
                                localMapInfo.setChildCity();
                                serverMapInfoList.add(localMapInfo);
                                b = true;
                                break;
                            }
                        }
                        if (!b) {
                            for (int zLoop = 0; zLoop < localMapInfoList.size(); zLoop++) {
                                if (localMapInfo.cityID == localMapInfoList.get(zLoop).cityID) {
                                    try {
                                        localMapInfo = (LocalMapInfo) localMapInfoList.get(zLoop).clone();
                                    } catch (CloneNotSupportedException e) {
                                        e.printStackTrace();
                                    }
                                    localMapInfo.setbServer(true);
                                    localMapInfo.updataColor();
                                    localMapInfo.setChildCity();
                                    serverMapInfoList.add(localMapInfo);
                                    b = true;
                                    break;
                                }
                            }
                        }
                        if (!b)
                            serverMapInfoList.add(localMapInfo);
                    }
                }
            }
        }
        //通知主线程去更改
        Message message = new Message();
        message.what = 1;
        message.obj = null;
        myHandler.sendMessage(message);
        bRefresh = false;
    }

    public static int px2dip(Context context, float pxValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (pxValue / scale + 0.5f);
    }

    public static int dip2px(Context context, float dpValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (dpValue * scale + 0.5f);
    }

    private Handler myHandler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
            switch (msg.what){
                case 1:
                    localMapListRecyclerView.setLayoutManager(new LinearLayoutManager(ActivityOfflineMap.this));
                    downlocalMapListRecyclerView.setLayoutManager(new LinearLayoutManager(ActivityOfflineMap.this));
                    hotMapListRecyclerView.setLayoutManager(new LinearLayoutManager(ActivityOfflineMap.this));
                    serverMapListRecyclerView.setLayoutManager(new LinearLayoutManager(ActivityOfflineMap.this));
                    localMapRecyclerAdapter = new LocalMapRecyclerAdapter(ActivityOfflineMap.this, localMapInfoList);
                    downlocalMapRecyclerAdapter = new LocalMapRecyclerAdapter(ActivityOfflineMap.this, downlocalMapInfoList);
                    hotMapRecyclerAdapter = new LocalMapRecyclerAdapter(ActivityOfflineMap.this, hotMapInfoList);
                    serverMapRecyclerAdapter = new LocalMapRecyclerAdapter(ActivityOfflineMap.this, serverMapInfoList);
                    localMapRecyclerAdapter.setHasStableIds(true);
                    localMapListRecyclerView.setAdapter(localMapRecyclerAdapter);
                    downlocalMapRecyclerAdapter.setHasStableIds(true);
                    downlocalMapListRecyclerView.setAdapter(downlocalMapRecyclerAdapter);
                    hotMapRecyclerAdapter.setHasStableIds(true);
                    hotMapListRecyclerView.setAdapter(hotMapRecyclerAdapter);
                    serverMapRecyclerAdapter.setHasStableIds(true);
                    serverMapListRecyclerView.setAdapter(serverMapRecyclerAdapter);
                    if (downlocalMapInfoList.size() > 0) {
                        downView.setVisibility(View.VISIBLE);
                        LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) downlocalMapListRecyclerView.getLayoutParams();
                        if (downlocalMapInfoList.size() > 5) {
                            params.height = dip2px(ActivityOfflineMap.this, 200);
                            downlocalMapListRecyclerView.setLayoutParams(params);
                        } else {
                            params.height = LinearLayout.LayoutParams.WRAP_CONTENT;
                            downlocalMapListRecyclerView.setLayoutParams(params);
                        }
                    } else {
                        downView.setVisibility(View.GONE);
                    }
                    progressBar_Wait.setVisibility(View.GONE);
                    textView_wait.setVisibility(View.GONE);
                    bWait = false;
                    break;
            }
        }
    };

    //拦截返回键,等待刷新结束才能退出
    @Override
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        switch (keyCode) {
            case KeyEvent.KEYCODE_BACK:
                if (bRefresh)
                {
                    Toast.makeText(this, "正在获取地图数据,请稍候再返回", Toast.LENGTH_LONG).show();
                    return true;
                }
                break;
        }
        return super.onKeyUp(keyCode, event);
    }
}


activity_offline.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
        <LinearLayout
            android:focusable="true" android:focusableInTouchMode="true"
            android:layout_width="0px" android:layout_height="0px">
            <requestFocus />
        </LinearLayout>
        <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
            android:id="@+id/city_list"
            android:layout_width="match_parent"
            android:layout_height="50dip"
            android:orientation="horizontal">

            <Button
                android:id="@+id/clButton"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_marginLeft="100dp"
                android:layout_weight="1"
                android:backgroundTint="@color/black"
                android:onClick="clickCityListButton"
                android:text="城市列表"
                android:textColor="@color/white" />

            <Button
                android:id="@+id/localButton"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_marginRight="100dp"
                android:layout_weight="1"
                android:backgroundTint="@color/white"
                android:onClick="clickLocalMapListButton"
                android:text="下载管理"
                android:textColor="@color/black" />
        </LinearLayout>


        <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
            android:id="@+id/citylist_layout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="40dp"
                android:background="@android:color/darker_gray">

                <EditText
                    android:id="@+id/et_serch"
                    android:layout_width="match_parent"
                    android:layout_height="30dp"
                    android:layout_marginBottom="5dp"
                    android:layout_marginLeft="5dp"
                    android:layout_marginRight="5dp"
                    android:layout_marginTop="5dp"
                    android:background="@color/white"
                    android:hint="请输入城市名称或首字母"
                    android:textSize="15dp"></EditText>
            </LinearLayout>


            <TextView
                android:id="@+id/hottextview"
                android:layout_width="fill_parent"
                android:layout_height="23dp"
                android:background="@color/light_grey"
                android:gravity="center_vertical"
                android:paddingLeft="10dp"
                android:text="热门城市 " />

            <android.support.v7.widget.RecyclerView
                android:id="@+id/hotcitylist"
                android:layout_width="fill_parent"
                android:layout_height="200dp"
                android:scrollbars="vertical" />

            <TextView
                android:id="@+id/alltextview"
                android:layout_width="fill_parent"
                android:layout_height="23dp"
                android:background="@color/light_grey"
                android:gravity="center_vertical"
                android:paddingLeft="10dp"
                android:text="全国" />

            <android.support.v7.widget.RecyclerView
                android:id="@+id/allcitylist"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:scrollbars="vertical" />
        </LinearLayout>

        <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
            android:id="@+id/localmap_layout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <TextView
                android:id="@+id/downtextview"
                android:layout_width="fill_parent"
                android:layout_height="23dp"
                android:background="@color/light_grey"
                android:gravity="center_vertical"
                android:paddingLeft="10dp"
                android:text="正在下载 " />

            <android.support.v7.widget.RecyclerView
                android:id="@+id/downlocalmaplist"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:scrollbars="vertical" />

            <TextView
                android:layout_width="fill_parent"
                android:layout_height="23dp"
                android:background="@color/light_grey"
                android:gravity="center_vertical"
                android:paddingLeft="10dp"
                android:text="下载完成 " />

            <android.support.v7.widget.RecyclerView
                android:id="@+id/localmaplist"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:scrollbars="vertical" />

        </LinearLayout>
    </LinearLayout>

    <ProgressBar
        android:id="@+id/progressBar_wait"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:indeterminate="false"/>
    <TextView
        android:id="@+id/textView_wait"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:layout_alignTop="@+id/progressBar_wait"
        android:layout_marginTop="50dp"
        android:text="正在获取数据,请稍候..." />
</RelativeLayout>

LocalMapInfo.java
package com.dji.sdk.search.Bean;

import com.baidu.mapapi.map.offline.MKOLSearchRecord;
import com.baidu.mapapi.map.offline.MKOLUpdateElement;
import com.baidu.mapapi.model.LatLng;

import static com.dji.sdk.ActivityOfflineMap.getPinYinHeadChar;
import static com.dji.sdk.ActivityOfflineMap.getPingYin;

/**
 * Created by  on 2017/9/29.
 */

public class LocalMapInfo implements Cloneable {
    public LocalMapInfo(MKOLUpdateElement mKOLUpdateElement) {
        this.cityID = mKOLUpdateElement.cityID;
        this.cityName = mKOLUpdateElement.cityName;
        this.ratio = mKOLUpdateElement.ratio;
        this.status = mKOLUpdateElement.status;
        this.geoPt = mKOLUpdateElement.geoPt;
        this.size = (long) mKOLUpdateElement.size;
        this.serversize = (long) mKOLUpdateElement.serversize;
        this.level = mKOLUpdateElement.level;
        this.update = mKOLUpdateElement.update;
        this.csCityName = mKOLUpdateElement.cityName;
        this.nDownloadedSize = (long) mKOLUpdateElement.size;
        bServer = false;
        bHot = false;
        csCityPY = getPinYinHeadChar(this.cityName);
        csCityPYAll = getPingYin(this.cityName);
        updataColor();
    }

    public LocalMapInfo(MKOLSearchRecord mKOLSearchRecord) {
        this.cityID = mKOLSearchRecord.cityID;
        this.cityName = mKOLSearchRecord.cityName;
        this.serversize =mKOLSearchRecord.dataSize;
        this.csCityName = mKOLSearchRecord.cityName;
        bServer = false;
        bHot = false;
        csCityPY = getPinYinHeadChar(this.cityName);
        csCityPYAll = getPingYin(this.cityName);
        updataColor();
    }

    public static final int UNDEFINED = 0;
    public static final int DOWNLOADING = 1;
    public static final int WAITING = 2;
    public static final int SUSPENDED = 3;
    public static final int FINISHED = 4;
    public static final int eOLDSMd5Error = 5;
    public static final int eOLDSNetError = 6;
    public static final int eOLDSIOError = 7;
    public static final int eOLDSWifiError = 8;
    public static final int eOLDSFormatError = 9;
    public static final int eOLDSInstalling = 10;
    public int cityID;
    public String cityName="";
    public int ratio = 0;
    public int status = UNDEFINED;
    public LatLng geoPt;
    public Long size = (long)0;
    public Long serversize=(long)0;
    public int level;
    public boolean update = false;
    private String csCityName="";//城市名
    private String csDownloadedSize="";//已下载
    private String csUpdateSize="";//是否更新
    private Long nDownloadedSize=(long)0;
    private int nUpdateSize = 0;
    public byte nTextColor;
    public boolean bShowProgress = true;
    public boolean bServer = false;
    private boolean bHot = false;
    public String csCityPY="";
    public String csCityPYAll="";
    public boolean bShowDownPng = false;

    public int getnUpdateSize() {
        return nUpdateSize;
    }

    public void setnUpdateSize(int nUpdateSize) {
        this.nUpdateSize = nUpdateSize;
    }

    public Long getnDownloadedSize() {
        return nDownloadedSize;
    }

    public void setnDownloadedSize(Long nDownloadedSize) {
        this.nDownloadedSize = nDownloadedSize;
    }

    public String getCsUpdateSize() {
        return csUpdateSize;
    }

    public void setCsUpdateSize(String csUpdateSize) {
        this.csUpdateSize = csUpdateSize;
    }

    public String getCsDownloadedSize() {
        return csDownloadedSize;
    }

    public void setCsDownloadedSize(String csDownloadedSize) {
        this.csDownloadedSize = csDownloadedSize;
    }

    public String getCsCityName() {
        return csCityName;
    }

    public void setCsCityName(String csCityName) {
        this.csCityName = csCityName;
    }

    public void updataColor() {
        bShowDownPng = false;
        csDownloadedSize = String.format("%.1fM", (double) size / (1024 * 1024));
        if (status == FINISHED) {
            if (update) {
                //csUpdateSize = "有更新,只需" + df.format((double)(serversize - nDownloadedSize) / (1024 * 1024)) + "M";
                csUpdateSize = String.format("有更新,只需%.1fM", (double) (serversize - size) / (1024 * 1024));
                bShowDownPng = bServer;
                nTextColor = 1;
            } else {
                csUpdateSize = bServer ? "已下载" : "完成";
                nTextColor = 0;
            }
            bShowProgress = false;
        } else {
            if (status == DOWNLOADING) {
                if (update) {
                    //csUpdateSize = bServer ? "离线地图正在更新 " + df.format((double)(serversize - nDownloadedSize) / (1024 * 1024)) + "M" : "离线地图正在更新 " + ratio + "%";
                    csUpdateSize = bServer ? String.format("离线地图正在更新 %.1fM", (double) (serversize - size) / (1024 * 1024)) : "离线地图正在更新 " + ratio + "%";
                    nTextColor = 1;
                } else {
                    //csUpdateSize = bServer ? "正在下载 " + df.format((double)(serversize - nDownloadedSize) / (1024 * 1024)) + "M" : "正在下载 " + ratio + "%";
                    csUpdateSize = bServer ? String.format("正在下载 %.1fM", (double) (serversize - size) / (1024 * 1024)) : "正在下载 " + ratio + "%";
                    nTextColor = 1;
                }
            } else if (status == SUSPENDED) {
                //csUpdateSize = bServer ? "已暂停 " + df.format((double)(serversize - nDownloadedSize) / (1024 * 1024)) + "M" : "已暂停 " + ratio + "%";
                csUpdateSize = bServer ? String.format("已暂停 %.1fM", (double) (serversize - size) / (1024 * 1024)) : "已暂停 " + ratio + "%";
                nTextColor = 2;
            } else if (status == eOLDSWifiError) {
                csUpdateSize = "等待下载";
                nTextColor = 1;
            } else if (status == WAITING) {
                //csUpdateSize = bServer ? "等待下载 " + df.format((double) (serversize - nDownloadedSize) / (1024 * 1024)) + "M" : "等待下载 " + ratio + "%";
                csUpdateSize = bServer ? String.format("等待下载 %.1fM", (double) (serversize - size) / (1024 * 1024)) : "等待下载 " + ratio + "%";
                nTextColor = 1;
            } else if (status == UNDEFINED) {
                //csUpdateSize = bServer ?  df.format((double)serversize / (1024 * 1024)) + "M" : "";
                csUpdateSize = bServer ? String.format("%.1fM", (double) serversize / (1024 * 1024)) : "";
                bShowDownPng = bServer;
                nTextColor = 1;
            }
        }
    }

    public void setbServer(boolean bServer) {
        this.bServer = bServer;
        if (bServer) {
            bShowProgress = false;
        }
    }

    @Override
    public Object clone() throws CloneNotSupportedException {
        return super.clone();
    }

    public void setbHot(boolean bHot) {
        this.bHot = bHot;
    }

    public void setChildCity() {
        if (bServer && !this.bHot) {
            this.csCityName = "    " + this.cityName;
        }
    }
}
item_list_localmap.xml
<?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"
    xmlns:tools="http://schemas.android.com/tools">

    <data>

        <import type="android.view.View" />

        <import type="android.graphics.Color" />

        <variable
            name="localMapInfo"
            type="com.dji.sdk.LocalMapInfo" />
    </data>

        <LinearLayout
            android:id="@+id/item_task_list"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">
            <TableLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:stretchColumns = "2">

             <TableRow >
                 <TextView
                     android:id="@+id/textView7"
                     android:layout_width="wrap_content"
                     android:layout_height="40dp"
                     android:layout_marginLeft="10dp"
                     android:gravity="center_vertical"
                     android:text="@{localMapInfo.csCityName}"
                     android:textSize="16dp" />

                 <TextView
                     android:id="@+id/textView6"
                     android:layout_width="wrap_content"
                     android:layout_height="40dp"
                     android:layout_marginLeft="10dp"
                     android:gravity="center_vertical"
                     android:text="@{localMapInfo.csDownloadedSize}"
                     android:textColor="@color/light_grey"
                     android:textSize="12dp"
                     android:visibility="@{localMapInfo.bServer ? View.GONE : View.VISIBLE}" />

                 <TextView
                     android:id="@+id/textView4"
                     android:layout_width="match_parent"
                     android:layout_height="40dp"
                     android:layout_marginRight="10dp"
                     android:gravity="right|center_vertical"
                     android:text="@{localMapInfo.csUpdateSize}"
                     android:textColor="@{localMapInfo.nTextColor == 0 ? android.graphics.Color.BLACK:(localMapInfo.nTextColor == 1 ? android.graphics.Color.BLUE :android.graphics.Color.RED)}"
                     android:textSize="13dp" />

                 <ImageView
                     android:layout_alignWithParentIfMissing="true"
                     android:layout_width="16dp"
                     android:layout_height="16dp"
                     android:layout_alignParentRight="true"
                     android:layout_marginRight="10dp"
                     android:layout_marginTop="12dp"
                     android:gravity="right|center_vertical"
                     android:src="@mipmap/down"
                     android:visibility="@{localMapInfo.bShowDownPng ? View.VISIBLE : View.GONE}" />
             </TableRow>

            </TableLayout>
            <ProgressBar
                android:id="@+id/progressBar"
                style="?android:attr/progressBarStyleHorizontal"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_marginLeft="10dp"
                android:layout_marginRight="10dp"
                android:progress="@{localMapInfo.ratio}"
                android:visibility="@{localMapInfo.bShowProgress ? View.VISIBLE : View.GONE}" />
        </LinearLayout>

</layout>





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转载自blog.csdn.net/woshileihuanji/article/details/79697763