android application development: The first time you open the app is a welcome page, after the introduction of each and then open directly into the main page, how to design a page in relations app

            
android application development: The first time you open the app is a welcome page, after the introduction of each and then open directly into the main page, how to design a page in relations app
Reply:
In the Welcome screen to determine what, if not the first time you start, you jump to the main interface. Yes, I do not jump.
Reply:
How to judge it? Find an example! Thank you
Reply:
How to judge it? Find an example! Thank you
Reply:
You can use a variety of storage to determine whether the first start, such as sp, such as xml
Reply:
Write a stupid point on a file with a clever point SharedPreferences
Reply:
I just applied inside the other, just to share to you: In mainfest the guide page

guide page:

 private SharedPreferences sharepreferences; 
private SharedPreferences.Editor editor; 
.... 
oncreat () 
sharepreferences = this.getSharedPreferences ("check", MODE_PRIVATE); 
editor = sharepreferences.edit (); 

boolean fristload = sharepreferences.getBoolean ("fristload", true); 

if (! fristload) {
Intent intent = new Intent (); 
intent.setClass (this, toActivity.class); 
startActivityForResult (intent, 0); 
} 
button.setOnClickListener (new OnClickListener () {
public void onClick (View v) {

editor.putBoolean ("fristload", false); 

Intent intent = new Intent (); 
intent.setClass (this, toActivity.class); 

startActivityForResult (intent, 0); 

} 
} 
});