joaocsousa’s gists

joaocsousa / Logger.kt

Last active December 10, 2021 11:19

Java based logger with auto tagging for Android apps. No need to use any log library.

	//region initializing the logger using the application object or any other way
	class CoreApplication : Application() {
	private val initializer by inject<LogInitializer>()
	override fun onCreate() {
	super.onCreate()
	initializer.initialize()
	}
	}

	interface LogInitializer {

joaocsousa / contador_ano_novo.py

Created December 14, 2019 13:54

Codigo Python que faz contagem decrescente para o ano novo

	import datetime
	import time

	ano = datetime.date.today().year
	proxinoAno = ano + 1

	while (True):
	agora = datetime.datetime.now()
	primeiroDiaProximoAno = datetime.datetime(proxinoAno, 1, 1, 0, 0, 0)

joaocsousa / Main.kt

Last active September 12, 2019 07:00

	// how to use

	SafeZip.zip(single1, single2, ::merge).subscribe(...)

joaocsousa / Main.java

Last active January 29, 2018 09:37

Shared observable that will run a task. Every subscriber that subscribes while the task is running will share the same observable and receive the same result. When the tasks finishes the next subscriber will trigger a new task.

	public class Main {

	public static final long START_TIME = System.currentTimeMillis();

	public static void main(String[] args) throws InterruptedException {

	SingletonTask singletonTask = singletonTask();

	singletonTask.getObservable()
	.subscribeOn(Schedulers.newThread())

joaocsousa / MainActivity.java

Created October 13, 2017 06:00

LayoutInflater.Factory sample with text translations

	package joaocsousa.github.com.myapplication;

	import android.content.Context;
	import android.os.Bundle;
	import android.support.annotation.Nullable;
	import android.support.annotation.StringRes;
	import android.support.v4.view.LayoutInflaterCompat;
	import android.support.v7.app.AppCompatActivity;
	import android.util.AttributeSet;
	import android.view.LayoutInflater;

joaocsousa / CacheObservable.java

Created September 28, 2017 21:16

CacheObservable that allows you to cache an emission for a certain period of time

	import java.util.concurrent.TimeUnit;
	import io.reactivex.Observable;
	import io.reactivex.ObservableSource;
	import io.reactivex.ObservableTransformer;
	import io.reactivex.Observer;
	import io.reactivex.functions.Consumer;

	public static class CacheObservable<T> implements ObservableTransformer<T, T> {

	private final long timeout;

joaocsousa / SortCodeView.java

Created August 17, 2016 09:40

Android EditText that automatically formats a UK sort code as the user types it in.

	import android.content.Context;
	import android.support.v7.widget.AppCompatEditText;
	import android.text.Editable;
	import android.text.InputFilter;
	import android.text.InputType;
	import android.text.Spanned;
	import android.text.TextWatcher;
	import android.text.method.DigitsKeyListener;
	import android.util.AttributeSet;

joaocsousa / ImageUtils.java

Last active August 29, 2015 14:07

Android snippet to load images and downscale if needed

	import static android.graphics.BitmapFactory.decodeResource;
	import static com.google.common.base.Optional.fromNullable;

	public static final Double MAX_MEMORY_ALLOCATION = 6E6;

	/**
	* This method loads a bitmap from the resources respecting the max memory an image should take in memory
	* @param imageResource
	* @param context
	* @return

joaocsousa / ArgbEvaluator.java

Last active October 29, 2017 21:11

ArgbEvaluator compatible with JELLY_BEAN (API Level 16, Android 4.1) and lower

	/*
	* Copyright (C) 2010 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software

Joao Sousa joaocsousa