Storing User Data By SharedPreferences | Android Data Base Tutorial 1 | Store String And Number | Storing User Details

Step 01: Make A User Interface-

<?xml version="1.0" encoding="utf-8"?> <relativelayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.example.rupom.datastore.MainActivity"> <LinearLayout android:id="@+id/line1" android:gravity="center" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="wrap_content"> <EditText android:id="@+id/userNameID" android:layout_margin="20dp" android:hint="User Name" android:layout_width="match_parent" android:layout_height="wrap_content" /> <EditText android:id="@+id/PasswordID" android:layout_margin="20dp" android:hint="Password" android:layout_width="match_parent" android:layout_height="wrap_content" /> </LinearLayout> <LinearLayout android:id="@+id/line2" android:layout_below="@+id/line1" android:gravity="center" android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="wrap_content"> <Button android:textStyle="bold" android:id="@+id/saveID" android:text="SAVE DATA" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <Button android:textStyle="bold" android:id="@+id/loadID" android:text="LOAD DATA" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </LinearLayout> <TextView android:textStyle="bold" android:textSize="20sp" android:id="@+id/dataID" android:layout_below="@+id/line2" android:layout_width="match_parent" android:layout_height="match_parent" /> </RelativeLayout>
Step 01:Write Some Codes Using SharedPreferences for storing android data and load it again

public class MainActivity extends AppCompatActivity implements View.OnClickListener { private EditText usernameEditText,passwordEditText; private Button saveButton,loadButton; private TextView dataText; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); usernameEditText= (EditText) findViewById(R.id.userNameID); passwordEditText=(EditText) findViewById(R.id.PasswordID); saveButton= (Button) findViewById(R.id.saveID); loadButton= (Button) findViewById(R.id.loadID); dataText=(TextView)findViewById(R.id.dataID); saveButton.setOnClickListener(this); loadButton.setOnClickListener(this); } @Override public void onClick(View view) { if(view.getId()==R.id.saveID) { String username = usernameEditText.getText().toString(); String password=passwordEditText.getText().toString(); if(username.equals("") && password.equals("")) { Toast.makeText(getApplicationContext(),"Please Enter Your Data", Toast.LENGTH_LONG).show(); } else { //For Setting Data To SharedPreferences SharedPreferences sharedPreferences=getSharedPreferences("My Data", Context.MODE_PRIVATE); SharedPreferences.Editor editor=sharedPreferences.edit(); editor.putString("usernameKey",username); editor.putString("passwordKey",password); editor.commit(); Toast.makeText(getApplicationContext(),"Data Saved Successfully", Toast.LENGTH_LONG).show(); } } else if (view.getId()==R.id.loadID) { //Data Loading SharedPreferences sharedPreferences=getSharedPreferences("My Data", Context.MODE_PRIVATE); String usernameOutput=sharedPreferences.getString("usernameKey","Data Not Found"); String passwordOutput=sharedPreferences.getString("passwordKey","Data Not Found"); dataText.setText(usernameOutput + "/"+passwordOutput); } } }