cleanMachine_android/app/src/main/java/com/sunzee/receiver/DownReceiver.java

package com.sunzee.receiver;

import android.app.DownloadManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.util.Log;

import com.orhanobut.hawk.Hawk;
import com.sunzee.base.BaseApplication;
import com.sunzee.model.message.DownLoadMessageEvent;
import com.sunzee.utils.SharedPreferencesUtils;

import org.greenrobot.eventbus.EventBus;

import java.util.HashMap;

/**
 * @author whw
 * @time 2019/4/17
 * @Description 下载状态监听
 */
public class DownReceiver extends BroadcastReceiver {
    private static final String TAG = "DownReceiver";
    private long mTaskId;
    private DownloadManager downloadManager;

    @Override
    public void onReceive(Context context, Intent intent) {

        mTaskId= (long) SharedPreferencesUtils.getParam("taskid",0l);
        checkDownloadStatus();
    }

    //检查下载状态
    private void checkDownloadStatus() {
        downloadManager = (DownloadManager) BaseApplication.getContext().getSystemService(Context.DOWNLOAD_SERVICE);
        DownloadManager.Query query = new DownloadManager.Query();
        query.setFilterById(mTaskId);//筛选下载任务，传入任务ID，可变参数
        Cursor c = downloadManager.query(query);
        Log.d(TAG, "checkDownloadStatus: 》》》下载");
        if (c.moveToFirst()) {
            int status = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_STATUS));
            Log.d(TAG, "checkDownloadStatus: 》》》 status="+status);
            int screenType = Hawk.get("screen_type",10);
            HashMap<Long,String> map = Hawk.get("download");

            String name = map.get(mTaskId);
            String fileTyle=name.substring(name.lastIndexOf(".")+1);
            Log.d(TAG, "checkDownloadStatus: 》》》 fileTyle="+fileTyle);
            switch (status) {

                case DownloadManager.STATUS_PAUSED:
                    Log.d(TAG, "checkDownloadStatus: >>>下载暂停");
                    break;
                case DownloadManager.STATUS_PENDING:
                    Log.d(TAG, "checkDownloadStatus: >>>下载延迟");
                    break;
                case DownloadManager.STATUS_RUNNING:
                    Log.d(TAG, "checkDownloadStatus: >>>正在下载");
                    /**
                     * 计算下载下载率；
                     */
                    int totalSize = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES));
                    int currentSize = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR));
                    int progress = (int) (((float) currentSize) / ((float) totalSize) * 100);
                    Log.d(TAG, "checkDownloadStatus: "+progress);
                    if (fileTyle.equals("apk")){
                        //下载文件apk
                        EventBus.getDefault().post(new DownLoadMessageEvent(DownLoadMessageEvent.Type.downloadApkProcess,progress,-1));
                    }

                    break;
                case DownloadManager.STATUS_SUCCESSFUL:
                    Log.d(TAG, "checkDownloadStatus: >>>下载完成"+name);
                    //todo 可以判断下载的文件是apk还是广告数据了
                    if (fileTyle.equals("apk")){
                        //下载文件apk
                        EventBus.getDefault().post(new DownLoadMessageEvent(DownLoadMessageEvent.Type.downloadApkSuccess,name,-1));
                    }else {

                        EventBus.getDefault().post(new DownLoadMessageEvent(DownLoadMessageEvent.Type.success,name,screenType));
                    }

                    break;
                case DownloadManager.STATUS_FAILED:
                    Log.d(TAG, "checkDownloadStatus: >>>下载失败"+name);

                    if (fileTyle.equals("apk")){
                        //下载文件apk
                        EventBus.getDefault().post(new DownLoadMessageEvent(DownLoadMessageEvent.Type.downloadApkFailed,name,-1));

                    }else {
                        EventBus.getDefault().post(new DownLoadMessageEvent(DownLoadMessageEvent.Type.failed,name,screenType));
                    }

                    break;
            }
            c.close();
        }
    }



}