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mylibrary/src/main/java/com/android/download/DownloadAppTask.java

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+package com.android.download;
+
+import android.content.Context;
+
+import com.android.util.FileUtil;
+import com.android.util.LogUtils;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.RandomAccessFile;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+public class DownloadAppTask extends Thread{
+    public static int threadCount = 3;
+    public static int runningThread = 3;
+    private String downurl;
+    private Context mContext;
+    /**存储路径*/
+    private String FILEPATH_STORAGE;
+
+    /**临时文件名称*/
+    public static String FILENAME_TMP="Nebula-app.bak";
+    /**正是文件名称*/
+    private static String FILENAME_APK="Nebula-app.apk";
+    private DownLoadAppListener mDownLoadAppListener;
+    private long startIndex = 0;
+    private long totalSize = 0;
+
+    public DownloadAppTask(Context context,String versionCode,String url,long fileSize,DownLoadAppListener downLoadAppListener){
+        mContext = context;
+        this.downurl = url;
+        this.totalSize = fileSize;
+        this.mDownLoadAppListener = downLoadAppListener;
+        this.FILEPATH_STORAGE = FileUtil.getBakPath(mContext,1) ;
+        FILENAME_APK=versionCode+"-"+FILENAME_APK;
+    }
+
+    @Override
+    public void run() {
+        super.run();
+
+            try {
+
+
+                File tempfile =new File(FILEPATH_STORAGE,FILENAME_TMP);
+
+                if(tempfile.exists()){
+                    startIndex = tempfile.length();
+                }else {
+                    tempfile.createNewFile();
+                }
+
+                HttpURLConnection urlConnection;
+                URL url = new URL(downurl);
+//                URL url = new URL(" https://ik-cos-1258208609.cos.ap-guangzhou.myqcloud.com/Chrome.apk");
+
+                urlConnection = (HttpURLConnection) url.openConnection();
+                urlConnection.setConnectTimeout(2000*10);      //设置连接超时事件为5秒
+                urlConnection.setRequestMethod("GET");      //设置请求方式为GET
+                //设置用户端可以接收的媒体类型
+                urlConnection.setRequestProperty("Accept", "image/gif, image/jpeg, image/pjpeg, " +
+                        "image/pjpeg, application/x-shockwave-flash, application/xaml+xml, " +
+                        "application/vnd.ms-xpsdocument, application/x-ms-xbap," +
+                        " application/x-ms-application, application/vnd.ms-excel," +
+                        " application/vnd.ms-powerpoint, application/msword, */*");
+
+                urlConnection.setRequestProperty("Accept-Language", "zh-CN");  //设置用户语言
+                urlConnection.setRequestProperty("Charset", "UTF-8");    //设置客户端编码
+                //设置用户代理
+                urlConnection.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; " +
+                        "Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727;" +
+                        " .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)");
+                //设置下载位置
+                urlConnection.setRequestProperty("Range", "bytes=" + startIndex + "-" + (totalSize-1));
+                LogUtils.loge("totalSize:"+totalSize+"");
+                LogUtils.loge("getResponseCode:"+urlConnection.getResponseCode()+"");
+                InputStream in = urlConnection.getInputStream();
+                    RandomAccessFile raf = new RandomAccessFile(tempfile.getPath(), "rwd");
+                    raf.seek(startIndex);
+                    int len = 0;
+                    int progress=0;
+                    byte buf[] =new byte[1024];
+                    while((len = in.read(buf))!=-1){
+                        raf.write(buf, 0, len);
+                        progress+=len;
+                        LogUtils.loge("downlaod progress:"+progress);
+                    }
+                    in.close();
+                    raf.close();
+
+
+                    File apkFile = new File(FILEPATH_STORAGE,FILENAME_APK);
+                LogUtils.loge("downlaod:"+tempfile.length());
+                if(tempfile.length()==totalSize){
+                    tempfile.renameTo(apkFile);
+                    tempfile.delete();
+                    //下载完成
+                    if(mDownLoadAppListener!=null){
+                        mDownLoadAppListener.onDowanlaodResult(0,apkFile.getPath());
+                    }
+
+
+                }else {
+                    if(mDownLoadAppListener!=null){
+                        mDownLoadAppListener.onDowanlaodResult(-1,null);
+                    }
+                }
+
+            } catch (Exception e) {
+                e.printStackTrace();
+                if(mDownLoadAppListener!=null){
+                    mDownLoadAppListener.onDowanlaodResult(-1,null);
+                }
+            }
+
+
+
+
+    }
+
+
+
+//    public boolean executeAppInstall(String apkPath){
+//        boolean result = false;
+//        try {
+//            Runtime.getRuntime().exec("su");
+//            String command = "pm install -r " + apkPath + "\n";
+//            Process  process = Runtime.getRuntime().exec(command);
+//            BufferedReader errorStream = new BufferedReader(new InputStreamReader(process.getErrorStream()));
+//            String msg = "";
+//            String line;
+//            while ((line = errorStream.readLine()) != null) {
+//                msg += line;
+//            }
+//            if (!msg.contains("Failure")) {
+//                result = true;
+//            }
+//
+//        } catch (IOException e) {
+//            e.printStackTrace();
+//        }
+//        return result;
+//    }
+
+
+
+
+
+    public interface DownLoadAppListener{
+        public void onDowanlaodResult(int status,String filePath);
+    }
+
+
+
+
+}