1.apk 安装过程中重启apk未安装未删除安装包修改为继续安装并删除安装包

2.apk 安装过程中重启apk已安装未删除安装包修改为删除安装包
3.DownLoadManager撤回下载任务但文件丢失会产生-tmp 0 size大小文件bug,下载异常日志打印

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

@@ -143,7 +143,9 @@ public class DownLoadManeger {
                         TaskQueue.getInstance().add(new DownLoadTaskThread(downLoadTaskBean, observer));
                     }
                 }
-
+                if(!file.exists()&&downLoadTaskBean.getCurrentProgress()==0){
+                    LogUtils.loge("power down but downloadstaskbean table remain task");
+                }
             }
         }
     }
@@ -156,13 +158,6 @@ public class DownLoadManeger {
                 if(file.exists()&&file.length()>0&&file.length()<=downLoadTaskBean.getTotal()){
                     downLoadTaskBean.setCurrentProgress(file.length());
                     DaoManager.getInstance().update(DownLoadTaskBean.class,downLoadTaskBean);
-                }else if(!file.exists()){
-                    try {
-                        boolean createFileSuccess=file.createNewFile();
-                        LogUtils.loge("下载任务但文件丢失创建文件="+createFileSuccess);
-                    } catch (IOException e) {
-                        throw new RuntimeException(e);
-                    }
                 }
             }else if(downLoadTaskBean.getCurrentProgress()!=0&&!TextUtils.isEmpty(downLoadTaskBean.getUrl())&&!TextUtils.isEmpty(downLoadTaskBean.getFileName())&&!TextUtils.isEmpty(downLoadTaskBean.getPath())){
                 File file = new File(downLoadTaskBean.getPath()+downLoadTaskBean.getFileName()+"-tmp");