Updated version

- Update display on each received packet
- Cleaned up layout
- Proper handling of signs for register display

app/src/main/java/de/rumpold/androiddsky/util/BufferUtils.java

@@ -0,0 +1,31 @@
+package de.rumpold.androiddsky.util;
+
+import android.util.Log;
+
+import org.apache.commons.lang3.StringUtils;
+
+import java.nio.ByteBuffer;
+
+/**
+ * Created by Adriano on 11.06.2017.
+ */
+
+public class BufferUtils {
+    private static void printBuffer(String tag, ByteBuffer buf) {
+        buf.rewind();
+        int index = 0;
+        while (buf.remaining() > 0) {
+            ++index;
+            final int b = (int) buf.get();
+            if (b == 0) {
+                continue;
+            }
+
+            final String bitString = StringUtils.leftPad(Integer.toBinaryString(b), 32, '0').substring(24);
+            Log.d(tag, "printBuffer: " + index + ": " + bitString);
+        }
+        Log.d(tag, "--------------------------------------------------");
+
+        buf.rewind();
+    }
+}