修复更新进度错误

android/app/src/main/java/com/bolan/android/modules/update/Updater.java

@@ -80,6 +80,14 @@ public class Updater extends ReactContextBaseJavaModule {
                         WritableMap event;
                         do {
                             int numRead = is.read(buf);
+                            if (numRead <= 0) {
+                                event = Arguments.createMap();
+                                event.putInt("progress", 100);
+                                event.putInt("current", count);
+                                event.putInt("all", length);
+                                emit("Updater/downloaded", event);
+                                break;
+                            }
                             count += numRead;
                             int progress = (int) (((float) count / length) * 100);
                             if (progress != lastProgress) {
@@ -90,14 +98,6 @@ public class Updater extends ReactContextBaseJavaModule {
                                 event.putInt("all", length);
                                 emit("Updater/downloading", event);
                             }
-                            if (numRead <= 0) {
-                                event = Arguments.createMap();
-                                event.putInt("progress", progress);
-                                event.putInt("current", count);
-                                event.putInt("all", length);
-                                emit("Updater/downloaded", event);
-                                break;
-                            }
                             fos.write(buf, 0, numRead);
                         } while (!cancel);
                         if (cancel) {