Maintaining session in android using Shared prference

Question

I am developing an app in which I'm maintaining session using SharedPreference,So that when user will click on Logout Button then it will only go out off the app. But the problem is when user in their phone closing the recent applications, in our app it is again showing Login Screen. I don't know how to do that.Please help. Below is my code for mainActivity:

    SharedPreferences sharedpreferences;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity1);

    submit = (Button) findViewById(R.id.btn_login);

    ImageView i1 = (ImageView) findViewById(R.id.imgLogo);
    final ProgressBar progressBar = (ProgressBar) findViewById(R.id.pb);
    String checkBoxText = "I agree to all the ";
    final CheckBox checkBox = (CheckBox) findViewById(R.id.checkBox);
    sharedpreferences = getSharedPreferences(MyPREFERENCES, Context.MODE_PRIVATE);
    checkBox.setText(Html.fromHtml(checkBoxText));
    checkBox.setMovementMethod(LinkMovementMethod.getInstance());

    submit.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            final EditText e1 = (EditText) findViewById(R.id.input_email);
            final EditText p1 = (EditText) findViewById(R.id.input_password);
            final String e = e1.getText().toString();
            final String password = p1.getText().toString();

            SharedPreferences.Editor editor = sharedpreferences.edit();

            editor.putString(email, e);

            editor.commit();

and code for second activity:

        else if(position==3)
            {
                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
                builder.setMessage("Are you sure you want to Logout?")
                        .setCancelable(false)
                        .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int id) {

                                SharedPreferences sharedpreferences = getSharedPreferences(main.MyPREFERENCES, Context.MODE_PRIVATE);
                                SharedPreferences.Editor editor = sharedpreferences.edit();
                                editor.clear();
                                editor.commit();
                                Intent i = new Intent(getApplicationContext(), main.class);
                                // Closing all the Activities
                                i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);

                                // Add new Flag to start new Activity
                                i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

                                // Staring Login Activity
                                getApplicationContext().startActivity(i);


                                finish();
                            }
                        })
                        .setNegativeButton("No", new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int id) {
                                dialog.cancel();
                            }
                        });
                AlertDialog alert = builder.create();
                alert.show();

            }

Where are you checking that you already logged in? – Sujith Niraikulathan Sep 20 '16 at 08:04 — Sujith Niraikulathan, Sep 20 '16 at 08:04

Shabbir Dhangot · Accepted Answer · 2016-09-20T09:31:15.110

0

Here is simple solution for that.

user can never close you app from recent using this. He need to close it from the activity. Check that if work

<activity
android:name="youActivity"
android:theme="@android:style/Theme.NoDisplay"
android:autoRemoveFromRecents="true"/>

android:autoRemoveFromRecents="true" May help you

edited Sep 20 '16 at 09:31

answered Sep 20 '16 at 07:40

Shabbir Dhangot

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i did in my main activity which is login screen,but it is not working – Anusha Dandu Sep 20 '16 at 08:01
Apply it on second activity not first – Shabbir Dhangot Sep 20 '16 at 08:03
yes i applied in that android:name="youActivity" android:autoRemoveFromRecents="true" but it is not working – Anusha Dandu Sep 20 '16 at 08:06
@AnushaDandu try this new solution – Shabbir Dhangot Sep 20 '16 at 08:15
I rollback it. I glad that helped you. Mark answer as Accept and consider upvote. – Shabbir Dhangot Sep 20 '16 at 09:32
One more problem raised,when user switch off and on their mobile, again it is asking for login.Do you have any idea to solve this? – Anusha Dandu Sep 21 '16 at 06:24
http://stackoverflow.com/questions/2784441/trying-to-start-a-service-on-boot-on-android This will trigger when phone complete start. clear your preference using this – Shabbir Dhangot Sep 21 '16 at 06:30

Maintaining session in android using Shared prference

1 Answers1