Josias Sena JosiasSena

🏠

Working from home

Self-taught software engineer specialized in Android development. https://www.josiassena.com/

JosiasSena / RotateImage.kt

Last active July 12, 2018 12:05

Rotate an image/bitmap

	import android.graphics.Bitmap
	import android.graphics.Matrix
	import android.support.media.ExifInterface
	import java.io.File

	class ImageUtils {

	companion object {

	/**

JosiasSena / PhoneBookManager.java

Created April 30, 2017 00:37

	public class PhoneBookManager {

	private final ContentResolver contentResolver;

	public PhoneBookManager(final Context context) {
	contentResolver = context.getContentResolver();
	}

	private boolean isContactWithNumberExists(@NonNull final String number) {

JosiasSena / AndroidManifest.xml

Created March 10, 2017 22:47

Job Scheduler Code sample

	<?xml version="1.0" encoding="utf-8"?>
	<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="com.example.josiassena.jobscheduler">

	<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>

	<application
	android:allowBackup="true"
	android:icon="@mipmap/ic_launcher"
	android:label="@string/app_name"

JosiasSena / AndroidManifest.xml

Created February 24, 2017 13:50

Sync Adapter example

	<?xml version="1.0" encoding="utf-8"?>
	<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="com.packagename">

	<uses-permission android:name="android.permission.INTERNET" />
	<uses-permission android:name="android.permission.READ_SYNC_SETTINGS" />
	<uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS" />
	<uses-permission android:name="android.permission.AUTHENTICATE_ACCOUNTS" />

	<application

JosiasSena / hidesuspended.js

Created February 21, 2017 03:27

Hides suspended applications from the Developer Play Console. See http://josiassena.com/how-to-hide-suspended-applications-from-the-googles-play-developer-console/

	// ==UserScript==
	// @name Hide suspended apps
	// @namespace josiassena.com
	// @version 1.0
	// @description Hide suspended applications
	// @author Josias Sena
	// @match https://play.google.com/apps/publish/?dev_acc=*
	// @require http://code.jquery.com/jquery-latest.js
	// @grant none
	// ==/UserScript==

JosiasSena / DeCryptor.java

Last active September 12, 2023 12:40

Encryptor and Decryptor for data encryption.decryption using the Android KeyStore.

JosiasSena / WifiConnectionReceiver.java

Last active June 1, 2023 16:36

WifiConnectionReceiver

	import android.content.BroadcastReceiver;
	import android.content.Context;
	import android.content.Intent;
	import android.content.IntentFilter;
	import android.net.wifi.WifiConfiguration;
	import android.net.wifi.WifiManager;
	import android.support.annotation.NonNull;
	import android.util.Log;

	import static android.content.ContentValues.TAG;

JosiasSena / Utils.java

Created December 20, 2016 01:51

Helpful utility class

	package josiassena.humbug;

	import android.Manifest;
	import android.app.Activity;
	import android.app.NotificationManager;
	import android.content.ClipData;
	import android.content.ClipboardManager;
	import android.content.Context;
	import android.content.DialogInterface;
	import android.content.Intent;

JosiasSena / get_supported_android_devices.js

Last active December 7, 2016 21:54

get supported devices from developer portal

	$(document).ready(function () {
	var interval = setInterval(function () {
	myTimer();
	}, 5000);

	function myTimer() {
	var manufacturers = [];
	var devices = [];

	var elements = document.getElementsByTagName("li");

JosiasSena / rando_btn_rgb.py

Last active October 2, 2016 02:22

Raspberry Pi - Display red, green, or blue randomly on button press