Tag Archives: getSharedPreferences

How to BackUp user’s data programatically in Android?

By | January 25, 2018

Android’s Backup service allows you to persist the data in a Google cloud storage. Android does this with the help of a BackUpAgent in the SDK. If we want to backup the data, then extend the BackupAgent. Lets see how we can do this. Benefits Reduce user frustration Increase login-rate. Reduce support calls Minimize user attrition Sustain user… Read More »

How to encrypt a string in Android Using Base64?

By | January 9, 2012

[java] package com.coderzheaven.encryptstring; import android.annotation.SuppressLint; import android.app.Activity; import android.content.SharedPreferences; import android.os.Bundle; import android.util.Base64; @SuppressLint({ "WorldReadableFiles", "WorldWriteableFiles" }) public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); saveText("CoderzHeaven"); System.out.println(getText()); } public void saveText(String text) { SharedPreferences myPrefs = this.getSharedPreferences("myPrefs", MODE_WORLD_READABLE); SharedPreferences.Editor editor = myPrefs.edit(); text = Base64.encodeToString(text.getBytes(), Base64.DEFAULT); editor.putString("some_text", text); editor.commit(); } public String… Read More »