contentLength

mobile/src/main/java/cn/garymb/ygomobile/utils/DownloadUtil.java

@@ -102,6 +102,9 @@ public class DownloadUtil {
                 try {
                     is = response.body().byteStream();
                     long total = response.body().contentLength();
+                    if(contentLength > 0 && total != contentLength){
+                        listener.onDownloadFailed(new Exception("file length[" + total + "] < " + contentLen));
+                    } else {
                         out = new FileOutputStream(file);
                         long sum = 0;
                         while ((len = is.read(buf)) != -1) {
@@ -113,6 +116,7 @@ public class DownloadUtil {
                         }
                         out.flush();
                         saved = true;
+                    }
                 } catch (Exception ex) {
                     listener.onDownloadFailed(ex);
                 } finally {