joystick controller + bluetooth spp library for arduino robot

Main.java

public void setup() {

        textView1 = (TextView) findViewById(R.id.textView1);
        textView2 = (TextView) findViewById(R.id.textView2);
        textView3 = (TextView) findViewById(R.id.textView3);
        textView4 = (TextView) findViewById(R.id.textView4);
        textView5 = (TextView) findViewById(R.id.textView5);

        layout_joystick = (RelativeLayout) findViewById(R.id.layout_joystick);

        js = new JoyStickClass(getApplicationContext()
                , layout_joystick, R.drawable.image_button);
        js.setStickSize(150, 150);
        js.setLayoutSize(500, 500);
        js.setLayoutAlpha(150);
        js.setStickAlpha(100);
        js.setOffset(90);
        js.setMinimumDistance(50);

        layout_joystick.setOnTouchListener(new OnTouchListener() {
            public boolean onTouch(View arg0, MotionEvent arg1) {
                js.drawStick(arg1);
                if (arg1.getAction() == MotionEvent.ACTION_DOWN
                        || arg1.getAction() == MotionEvent.ACTION_MOVE) {
                    textView1.setText("X : " + String.valueOf(js.getX()));
                    textView2.setText("Y : " + String.valueOf(js.getY()));
                    textView3.setText("Angle : " + String.valueOf(js.getAngle()));
                    textView4.setText("Distance : " + String.valueOf(js.getDistance()));

                    int direction = js.get8Direction();
                    if (direction == JoyStickClass.STICK_UP) {
                        textView5.setText("Direction : Up");
                        // sent up
                        bt.send("*11|3|"+getPWM(js.getDistance())+"#",true);
                        bt.send("*10|13|3#",true);
                    } else if (direction == JoyStickClass.STICK_UPRIGHT) {
                        textView5.setText("Direction : Up Right");
                    } else if (direction == JoyStickClass.STICK_RIGHT) {
                        textView5.setText("Direction : Right");
                        // sent right
                        bt.send("*11|3|"+getPWM(js.getDistance())+"#",true);
                        bt.send("*10|9|3#",true);
                    } else if (direction == JoyStickClass.STICK_DOWNRIGHT) {
                        textView5.setText("Direction : Down Right");
                    } else if (direction == JoyStickClass.STICK_DOWN) {
                        textView5.setText("Direction : Down");
                        // sent left
                        bt.send("*11|3|"+getPWM(js.getDistance())+"#",true);
                        bt.send("*10|12|3#",true);
                    } else if (direction == JoyStickClass.STICK_DOWNLEFT) {
                        textView5.setText("Direction : Down Left");
                    } else if (direction == JoyStickClass.STICK_LEFT) {
                        textView5.setText("Direction : Left");
                        // sent left
                        bt.send("*11|3|"+getPWM(js.getDistance())+"#",true);
                        bt.send("*10|10|3#",true);
                    } else if (direction == JoyStickClass.STICK_UPLEFT) {
                        textView5.setText("Direction : Up Left");
                    } else if (direction == JoyStickClass.STICK_NONE) {
                        textView5.setText("Direction : Center");
                        bt.send("*10|11|3#",true);
                    }
                } else if (arg1.getAction() == MotionEvent.ACTION_UP) {
                    textView1.setText("X :");
                    textView2.setText("Y :");
                    textView3.setText("Angle :");
                    textView4.setText("Distance :");
                    textView5.setText("Direction :");                    
                    bt.send("*10|11|3#",true);
                }
                return true;
            }
        });
    }