new Handler().postDelayed() 延迟intent跳转

原文地址http://blog.csdn.net/x605940745/article/details/19401549
new Handler().postDelayed(new Runnable() {

    @Override
    public void run() {
        Intent  intent=new Intent(MainActivity.this, Leansons.class);
        startActivity(intent);
    }
}, 2000);