SharedPreferences

Shared Preferences in Android. Save Data

<?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.arham.csdevbin.downloadimagefrominternet.SharedPreferencesDemo”>    <CheckBox        android:id=”@+id/checkBox”        android:layout_width=”wrap_content”        android:layout_height=”wrap_content”        android:layout_alignParentLeft=”true”        android:layout_alignParentStart=”true”        android:layout_alignParentTop=”true”        android:layout_marginLeft=”103dp”        android:layout_marginStart=”103dp”        android:layout_marginTop=”136dp”        android:text=”CheckBox” /></RelativeLayout> package com.arham.csdevbin.downloadimagefrominternet; import android.content.SharedPreferences; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.Toast; public class SharedPreferencesDemo extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener {    CheckBox checkBox;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_shared_preferences);        checkBox …

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SharedPreferences 2

MainActivity.java package com.blogspot.csdevbin.sharedpreferences; import android.content.Context; import android.content.SharedPreferences; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends AppCompatActivity {     EditText food,shopping,fuel,telephone;     TextView previousExpense;     SharedPreferences sharedPreferences;     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);          food = (EditText)findViewById(R.id.etfood);          shopping = …

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SharedPreferences Android

Interface for accessing and modifying preference data returned by getSharedPreferences(String, int). For any particular set of preferences, there is a single instance of this class that all clients share. Modifications to the preferences must go through an SharedPreferences.Editor object to ensure the preference values remain in a consistent state and control when they are committed to storage. Objects …

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