//延迟两秒跳转
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
Intent intent=new Intent(MainActivity.this, Leansons.class);
startActivity(intent);
}
}, 2000);new Handler().postDelayed() 延迟intent跳转
原文：http://blog.csdn.net/x605940745/article/details/19401549