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Piyush Malaviya piyush-malaviya

  • Ahmedabad, Gujarat, India
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@Diederikjh
Diederikjh / Cryptography.java
Last active May 24, 2024 04:08
Single class that handles encryption and decryption with keys using the Android `Keystore` API. Mostly inspired by this [blog post](https://medium.com/@ericfu/securely-storing-secrets-in-an-android-application-501f030ae5a3). This was tested with API 18 and 25 level emulator (and a level 23 device).
package com.example.yourapp;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Build;
import android.security.KeyPairGeneratorSpec;
import android.security.keystore.KeyGenParameterSpec;
import android.security.keystore.KeyProperties;
import android.support.annotation.RequiresApi;
@piyush-malaviya
piyush-malaviya / ContactHelper.java
Last active December 22, 2021 06:06
Contact helper class for fetching all contact details from contact id.
public class ContactHelper {
private static final String TAG = ContactHelper.class.getSimpleName();
public static ModelContact getContactDetails(final Context context, String contactId) {
ModelContact contact = new ModelContact();
contact.setContactId(contactId);
Cursor cursor = context.getContentResolver().query(ContactsContract.Data.CONTENT_URI,
@hkan
hkan / whatsapp-web-emoji-keywords.txt
Created April 30, 2018 16:25
Emoji shortcut keywords for Whatsapp Web
0⃣ 0, keycap, zero
1⃣ 1, number, one
🕜 1, 30, clock, time, one, thirty, 1:30, one-thirty
🕐 1, clock, time, one, 00, o’clock, 1:00, one o’clock
2⃣ 2, number, two
🕝 2, 30, clock, time, two, thirty, 2:30, two-thirty
🕑 2, clock, time, two, 00, o’clock, 2:00, two o’clock
3⃣ 3, keycap, three
🕞 3, 30, three, clock, time, thirty, 3:30, three-thirty
🕒 3, three, clock, time, 00, o’clock, 3:00, three o’clock
@faisalraja
faisalraja / preferences.dart
Created January 17, 2019 03:03
SharedPreference helper for flutter
class Preference {
static SharedPreferences _prefs;
static Map<String, dynamic> _memoryPrefs = Map<String, dynamic>();
static Future<SharedPreferences> load() async {
if (_prefs == null) {
_prefs = await SharedPreferences.getInstance();
}
return _prefs;
}