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Class toast = Class.forName("android.widget.Toast"); Object mToast = toast.newInstance(); Method make = toast.getDeclaredMethod("makeText", Context.class, CharSequence.class, int.class); Method show = toast.getDeclaredMethod("show", null); make.invoke(mToast, getBaseContext(), "Hello", Toast.LENGTH_LONG); show.invoke(mToast, null);
Class toast = Class.forName("android.widget.Toast"); // Object mToast = toast.newInstance(); không thể tạo được đối tượng vì Toast không có hàm tạo không đối Method make = toast.getDeclaredMethod("makeText", Context.class, CharSequence.class, int.class); Method show = toast.getDeclaredMethod("show", null); Object toastInstance = make.invoke(null, getBaseContext(), "Hello", Toast.LENGTH_LONG); show.invoke(toastInstance);
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