修复不支持断点文件大小找不到的问题

Aria/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.library'
 
 android {
   compileSdkVersion 23
-  buildToolsVersion "23.0.2"
+  buildToolsVersion '25.0.2'
 
   defaultConfig {
     minSdkVersion 9

Aria/src/main/java/com/arialyy/aria/core/task/DownloadUtil.java

@@ -244,7 +244,8 @@ public class DownloadUtil implements IDownloadUtil, Runnable {
     //不支持断点只能单线程下载
     if (!isSupportBreakpoint) {
       ConfigEntity entity = new ConfigEntity();
-      entity.FILE_SIZE = conn.getContentLength();
+      long len = conn.getContentLength();;
+      entity.FILE_SIZE = len;
       entity.DOWNLOAD_URL = mDownloadEntity.getDownloadUrl();
       entity.TEMP_FILE = mDownloadFile;
       entity.THREAD_ID = 0;
@@ -254,6 +255,7 @@ public class DownloadUtil implements IDownloadUtil, Runnable {
       entity.isSupportBreakpoint = isSupportBreakpoint;
       SingleThreadTask task = new SingleThreadTask(mConstance, mListener, entity);
       mFixedThreadPool.execute(task);
+      mListener.onPostPre(len);
       mListener.onStart(0);
       return;
     }