Timer

final Paint p = new Paint();
        p.setColor(Color.WHITE);
        p.setTextSize(100);
        p.setStrokeWidth(10);
        p.setAntiAlias(true);
        XposedHelpers.findAndHookMethod("com.snapchat.android.ui.camera.TakeSnapButton", packageParam.classLoader, "onDraw", Canvas.class, new XC_MethodHook() {
            @Override
            protected void afterHookedMethod(MethodHookParam param) throws Throwable {
                if (XposedHelpers.getBooleanField(param.thisObject, "b") && XposedHelpers.getBooleanField(param.thisObject, "d")) {
                    Canvas c = (Canvas) param.args[0];
                    long time = SystemClock.elapsedRealtime() - XposedHelpers.getLongField(param.thisObject, "a");
                    String t = String.valueOf(time / 1000);
                    Rect rekt = new Rect();
                    p.getTextBounds(t, 0, t.length(), rekt);
                    c.drawText(t, XposedHelpers.getFloatField(param.thisObject, "m") - (rekt.width() / 2) - 5, XposedHelpers.getFloatField(param.thisObject, "n") + (rekt.height() / 2) - 5, p);
                }
            }
        });