modif code utilisation de write

app/src/main/java/com/example/qrcode/SendActivity.java

@@ -172,6 +172,9 @@ public class SendActivity extends AppCompatActivity {
                 System.out.println(btArray[i]);
                 clientClass.start();
                 listView.setAdapter(null);
+                while(clientClass.sendReceive != null){
+
+                }
                 clientClass.sendReceive.write(imageData);
             }
         });

app/src/main/java/com/example/qrcode/thread/ClientClass.java

@@ -16,7 +16,7 @@ public class ClientClass extends Thread
     private BluetoothDevice _device;
     private BluetoothSocket socket;
     static String msg = null;
-    public SendReceive sendReceive;
+    public SendReceive sendReceive = null;
     private Handler _handler;
 
     public ClientClass (BluetoothDevice device, Handler handler)

app/src/main/java/com/example/qrcode/thread/SendReceive.java

@@ -6,6 +6,7 @@ import android.widget.TextView;
 
 import com.example.qrcode.SendActivity;
 
+import java.io.DataOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -58,7 +59,10 @@ public class SendReceive extends Thread
     public void write(byte[] bytes)
     {
         try {
-            outputStream.write(bytes);
+            for (int k = 0; k < bytes.length; k++) {
+                new DataOutputStream(outputStream).writeByte(bytes[k]);
+            }
+           // outputStream.write(bytes);
         } catch (IOException e) {
             e.printStackTrace();
         }