Merge pull request #308 from tszheichoi/patch-1

prevent returning dirty buffer when reading stream

Author: RonRadtke

android/src/main/java/com/ReactNativeBlobUtil/ReactNativeBlobUtilStream.java

@@ -73,9 +73,10 @@ else if (resolved == null) {
                 InputStreamReader isr = new InputStreamReader(fs, Charset.forName("UTF-8"));
                 BufferedReader reader = new BufferedReader(isr, chunkSize);
                 char[] buffer = new char[chunkSize];
+                int numBytesRead;
                 // read chunks of the string
-                while (reader.read(buffer, 0, chunkSize) != -1) {
-                    String chunk = new String(buffer);
+                while ((numBytesRead = reader.read(buffer, 0, chunkSize)) != -1) {
+                    String chunk = new String(buffer, 0, numBytesRead);
                     emitStreamEvent(streamId, "data", chunk);
                     if (tick > 0)
                         SystemClock.sleep(tick);