Android: Automate login with Sharedpreferences

Main code:

 Public classLoginactivity extends Activity {PrivateEditText username; PrivateEditText UserPassword; PrivateCheckBox Remember; PrivateCheckBox Autologin; PrivateButton Login; PrivateSharedpreferences sp; PrivateString Usernamevalue,passwordvalue; @Overrideprotected voidonCreate (Bundle savedinstancestate) {//TODO auto-generated Method Stubsuper.oncreate (savedinstancestate);                Setcontentview (R.layout.login); //Initialize user name, password, remember password, auto login, login buttonUsername =(EditText) Findviewbyid (r.id.username); UserPassword=(EditText) Findviewbyid (R.id.userpassword); Remember=(CheckBox) Findviewbyid (R.id.remember); Autologin=(CheckBox) Findviewbyid (R.id.autologin); Login=(Button) Findviewbyid (R.id.login); SP= Getsharedpreferences ("UserInfo",0); String name=sp.getstring ("user_name",""); String Pass=sp.getstring ("PASSWORD",""); Boolean Choseremember=sp.getboolean ("Remember",false); Boolean Choseautologin=sp.getboolean ("Autologin",false); //Toast.maketext (this, name, Toast.length_short). Show (); //If the last time you chose to remember the password, then enter the login page also automatically tick remember password, and fill in the user name and password        if(Choseremember) {username.settext (name);            Userpassword.settext (pass); Remember.setchecked (true); }        //If the last login selected automatic login, then enter the login page and automatically check the automatic login        if(Choseautologin) {autologin.setchecked (true); } login.setonclicklistener (NewOnclicklistener () {//Default login account tinyphp, password 123@Override Public voidOnClick (View arg0) {Usernamevalue=Username.gettext (). toString (); Passwordvalue=Userpassword.gettext (). toString (); Sharedpreferences.editor Editor=Sp.edit (); //TODO auto-generated Method Stub                if(Usernamevalue.equals ("tinyphp")                        && Passwordvalue.equals ("123") {toast.maketext (loginactivity). This,"Login Successful", Toast.length_short). Show (); //Save user name and passwordEditor.putstring ("user_name", Usernamevalue); Editor.putstring ("PASSWORD", Passwordvalue); //Do you remember the password                    if(remember.ischecked ()) {Editor.putboolean ("Remember",true); }Else{Editor.putboolean ("Remember",false); }                                                                                                    //whether to log on automatically                        if(autologin.ischecked ()) {Editor.putboolean ("Autologin",true); }Else{Editor.putboolean ("Autologin",false);                                            } editor.commit (); //JumpIntent Intent =NewIntent (loginactivity. This, Successactivity.class);                StartActivity (Intent); } Else{toast.maketext (loginactivity). This,"user name or password is wrong, please login again!", Toast.length_short). Show ();    }            }        }); }}

<?XML version= "1.0" encoding= "Utf-8"?><LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:orientation= "vertical"android:padding= "10DP" >    <TextViewAndroid:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "User name:" />    <EditTextAndroid:id= "@+id/username"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:ems= "Ten"Android:inputtype= "Textpersonname" >    </EditText>    <TextViewAndroid:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:layout_margintop= "10DP"Android:text= "Password:" />    <EditTextAndroid:id= "@+id/userpassword"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:ems= "Ten"Android:inputtype= "Textpassword" >    </EditText>    <CheckBoxAndroid:id= "@+id/remember"Android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Remember Password" />    <CheckBoxAndroid:id= "@+id/autologin"Android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Automatic Login" />    <ButtonAndroid:id= "@+id/login"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:text= "Login" /></LinearLayout>

Download Examples >>>>>>>>>>>

Android: Automate login with Sharedpreferences