2021-08-28_Android_Shared_prefrence

package com.mukeshdak.daknotes;
import androidx.appcompat.app.AppCompatActivity;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {

    EditText editText;

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

        editText = findViewById(R.id.editText);

        // Get the value of shared preferences back.
        SharedPreferences getShared = getSharedPreferences("mdnote", MODE_PRIVATE);
        String value = getShared.getString("task1", "Type a note and save");
        editText.setText(value);
    }

    @Override
    public void onBackPressed() {

        editText = findViewById(R.id.editText);
        String msg = editText.getText().toString();

        SharedPreferences shrd = getSharedPreferences("mdnote", MODE_PRIVATE);
        SharedPreferences.Editor editor = shrd.edit();

        editor.putString("task1", msg);
        editor.apply();

    //    Toast.makeText(MainActivity.this,"Text Saved", Toast.LENGTH_LONG).show();

        super.onBackPressed();
    }
}