I2C-Bus-Device-Detection-4-Metawear

Button readBtn= (Button) v.findViewById(R.id.layout_two_button_left);
        readBtn.setText(R.string.label_read);
        readBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {


                new Thread(new Runnable() {
                    @Override
                    public void run() {

                        byte registerAddr = 0x00;
                        byte[] i2cValue = new byte[]{0x01};
                        byte nBytes = 0x01;

                        for (int i=1; i<=127; i++) {
                            final byte deviceAddr = (byte)i;
                            System.out.println("Byte: " + deviceAddr);

                            i2cModule.writeData(deviceAddr, registerAddr, i2cValue);
                            try {
                                Thread.sleep(10);
                            } catch (InterruptedException e) {
                                e.printStackTrace();
                            }
                            i2cModule.readData(deviceAddr, registerAddr, nBytes).onComplete(new CompletionHandler<byte[]>() {
                                @Override
                                public void success(byte[] result) {
                                    System.out.println("Success: Device -> " + deviceAddr);
                                    System.out.println("Result: "+ arrayToHexString(result));
                                }
                            });

                            System.out.println("Wait 3 sec. with 1 sec intervall");
                            while(true) {
                                try {
                                    Thread.sleep(1000);
                                    System.out.println("3 ...");
                                    Thread.sleep(1000);
                                    System.out.println("2 ...");
                                    Thread.sleep(1000);
                                    System.out.println("1 ...");
                                    break;
                                } catch (InterruptedException e) {
                                    e.printStackTrace();
                                }

                            }

                        }

                    }
                }).start();




            }
        });