new Handler().postDelayed() 延迟intent跳转

		//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);

原文：http://blog.csdn.net/x605940745/article/details/19401549