Shared Preferences Example

      ----------- Shared Preferences Example----------

--------------Appcontroller class------------

package com.example.shirsh.shareprefeferenceexample;

import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.support.multidex.MultiDex;
import android.support.multidex.MultiDexApplication;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.text.TextUtils;


import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

import static android.content.pm.PackageManager.*;

/** * Created by androidsys1 on 3/31/2017. */
public class AppController extends MultiDexApplication {

    private static AppController mInstance;
    public static int invoiceId = 0;
    public static final String TAG = AppController.class.getSimpleName();

    public static synchronized AppController getInstance() {
        return mInstance;
    }

    @Override    protected void attachBaseContext(Context base) {
        super.attachBaseContext(base);
        MultiDex.install(this);

    }




    @Override    public void onCreate() {
        MultiDex.install(this);
        super.onCreate();
        mInstance = this;


    }

    public void handleUncaughtException(Thread thread, Throwable e) {
        e.printStackTrace();
    }

}

---------------SavedData class------------

package com.example.meenakshi.shareprefeferenceexample;

import android.content.SharedPreferences;
import android.preference.PreferenceManager;



public class SavedData {

    private static final String SERVICE_ID = "service_id";
    private static final String Edittext1 = "edit_1";




    static SharedPreferences prefs;

    public static SharedPreferences getInstance() {
        if (prefs == null) {
            prefs = PreferenceManager.getDefaultSharedPreferences(AppController.getInstance());
        }
        return prefs;
    }


    public static String getServiceId() {
        return getInstance().getString(SERVICE_ID, null);
    }

    public static void saveServiceId(String service_id) {
        SharedPreferences.Editor editor = getInstance().edit();
        editor.putString(SERVICE_ID, service_id);
        editor.apply();
    }
public static String getEdittext1() {
        return getInstance().getString(Edittext1, null);
    }

    public static void saveEdittext1(String edit_1) {
        SharedPreferences.Editor editor = getInstance().edit();
        editor.putString(Edittext1, edit_1);
        editor.apply();
    }


}












---------------Splash Screen Activity-----------------


package com.example.meenakshi.shareprefeferenceexample;

import android.content.Intent;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class Main4Activity extends AppCompatActivity {

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main4);
        if(SavedData.getServiceId()==null) {
            Intent intent = new Intent(Main4Activity.this, MainActivity.class);
            startActivity(intent);

        }
        else if(SavedData.getServiceId().equals("Activity1")) {
            Intent intent = new Intent(Main4Activity.this, MainActivity.class);
            startActivity(intent);

        }
        else if(SavedData.getServiceId().equals("Activity2")) {
            Intent intent = new Intent(Main4Activity.this, Main2Activity.class);
            startActivity(intent);

        }
        else if(SavedData.getServiceId().equals("Activity3")) {
            Intent intent = new Intent(Main4Activity.this, Main3Activity.class);
            startActivity(intent);

        }
        new Handler().postDelayed(new Runnable() {
            @Override            public void run() {

            }
        }, 2000);
    }
}



------------------MainActivity----------------

package com.example.meenakshi.shareprefeferenceexample;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

import static com.example.meenakshi.shareprefeferenceexample.R.styleable.View;

public class MainActivity extends AppCompatActivity {
    EditText firsttext, secondtext, thirdtext, fourthtext;
    Button buttonfirstactivity;

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        firsttext = (EditText) findViewById(R.id.firsttext);
        secondtext = (EditText) findViewById(R.id.secondtext);
        thirdtext = (EditText) findViewById(R.id.thirdtext);
        fourthtext = (EditText) findViewById(R.id.fourthtext);
        Log.e("shish", "============");
        SavedData.saveServiceId("Activity1");

        buttonfirstactivity = (Button) findViewById(R.id.buttonfirstactivity);


        buttonfirstactivity.setOnClickListener(new View.OnClickListener() {
            @Override            public void onClick(View view) {

                Intent intent = new Intent(MainActivity.this, Main2Activity.class);
                SavedData.saveEdittext1(firsttext.getText().toString());
                startActivity(intent);
            }
        });
    }
}







----------------------Main2activity--------------------




package com.example.meenakshi.shareprefeferenceexample;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class Main2Activity extends AppCompatActivity {
    EditText firsttext_secondact, secondtext_secondact, thirdtext_secondact, fourthtext_secondact;
    Button buttonfirstactivity_secondact;

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        String text = SavedData.getEdittext1();
        Log.e("shirsh","++++++++2");
        Log.e("", "==============" + text);
        SavedData.saveServiceId("Activity2");
        firsttext_secondact = (EditText) findViewById(R.id.firsttext_secondact);
        secondtext_secondact = (EditText) findViewById(R.id.secondtext_secondact);
        thirdtext_secondact = (EditText) findViewById(R.id.thirdtext_secondact);
        fourthtext_secondact = (EditText) findViewById(R.id.fourthtext_secondact);
         firsttext_secondact.setText(text);
        buttonfirstactivity_secondact = (Button) findViewById(R.id.buttonfirstactivity_secondact);
        buttonfirstactivity_secondact.setOnClickListener(new View.OnClickListener() {
            @Override            public void onClick(View view) {
                Intent intent = new Intent(Main2Activity.this, Main3Activity.class);
                startActivity(intent);
            }
        });

    }
}