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MainActivity: |
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package com.iliyadev.sharedpreferences |
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import android.content.SharedPreferences |
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import androidx.appcompat.app.AppCompatActivity |
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import android.os.Bundle |
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import android.widget.EditText |
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class MainActivity : AppCompatActivity() { |
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lateinit var editText:EditText |
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private val name = "MY_TEXT" |
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private val key = "myStoredData" |
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override fun onCreate(savedInstanceState: Bundle?) { |
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super.onCreate(savedInstanceState) |
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setContentView(R.layout.activity_main) |
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editText = findViewById(R.id.editTextText) |
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} |
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override fun onResume() { |
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super.onResume() |
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var sharedPref:SharedPreferences = getSharedPreferences(name, MODE_PRIVATE) |
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var myValue = sharedPref.getString(key,"") |
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editText.setText(myValue) |
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} |
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override fun onPause() { |
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super.onPause() |
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var sharedPref:SharedPreferences = getSharedPreferences(name, MODE_PRIVATE) |
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var edit = sharedPref.edit() |
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edit.putString(key,editText.text.toString()) |
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edit.apply() |
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} |
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} |
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Activity_main.xml: |
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<?xml version="1.0" encoding="utf-8"?> |
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<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" |
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xmlns:app="http://schemas.android.com/apk/res-auto" |
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xmlns:tools="http://schemas.android.com/tools" |
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android:layout_width="match_parent" |
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android:layout_height="match_parent" |
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tools:context=".MainActivity"> |
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<EditText |
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android:hint="test" |
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android:id="@+id/editTextText" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:ems="10" |
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android:inputType="text" |
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android:text="Name" |
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app:layout_constraintBottom_toBottomOf="parent" |
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app:layout_constraintEnd_toEndOf="parent" |
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app:layout_constraintStart_toStartOf="parent" |
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app:layout_constraintTop_toTopOf="parent" /> |
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</androidx.constraintlayout.widget.ConstraintLayout> |
