shkschneider

package me.shkschneider.skeleton.helper;

import android.text.TextUtils;
import android.util.Log;

/**
 * Improved android.util.Log.
 *
 * Logs class and method automatically:
 * [MyApplication onCreate():34] Hello, world!

shkschneider

# <https://code.google.com/p/android/issues/detail?id=78377#c188>
# <https://stackoverflow.com/questions/30526173>
-keepattributes **
-keep class !android.support.v7.internal.view.menu.**, ** {
    !private <fields>;
    protected <fields>;
    public <fields>;
    <methods>;
}
#-dontpreverify

shkschneider

// Uses GSON library
// getJsonElement(jsonObject, "{errors}{email}[reasons:0]")
// Retrieves the first JsonElement of the JsonArray "reasons" of the JsonObject "email" of the JsonObject "errors"... in one line ;)

public static JsonElement getJsonElement(@NonNull final JsonObject jsonObject, final String string) {
    // matches all
    if (TextUtils.isEmpty(string)) {
        return jsonObject;
    }
    // bad formats

shkschneider

public class Code39Extended {

    protected Code39Extended() {
        // Empty
    }

    private static final Character NULL = '\0';

    // <https://en.wikipedia.org/wiki/Code_39#Full_ASCII_Code_39>
    private static final HashMap<String, HashMap<String, Character>> EXTENDED = new HashMap<String, HashMap<String, Character>>() {

shkschneider

#!/usr/bin/env python
#
# <https://github.com/arzzen/python-simple-brainwallet>
# <https://github.com/jgilmour/brainwallet-check>
# <https://bitcointalk.org/index.php?topic=84238.0>
# JeromeS
# ShkSchneider <https://github.com/shkschneider>

import base58
import binascii

shkschneider

class MainViewModel : ViewModel() {

    private lateinit var users: MutableLiveData<List<User>>

    fun getUsers(): LiveData<List<User>> {
        if (!::users.isInitialized) {
            users = MutableLiveData()
            // TODO loading of the data (hopefully using coroutines)
            users.postValue(arrayListOf(
                User(login = "user.name1"),

shkschneider

private val viewModel by lazy {
    ViewModelProviders.of(this).get(MainViewModel::class.java)
}

// inside onCreate()
viewModel.getUsers().observe(this, Observer {
    display(it)
})

shkschneider

object DataManager {
     fun dummy(context: Context) {
        val db = MyDatabase.get(context)
        db.users().insert(User(login = "user.name"))
        db.projects().insert(Project(name = "project.name"))
        db.notifications().insert(Notification(msg = "created"))
    }
 }

shkschneider

@Database(entities = [
    User::class,
    Project::class,
    Notification::class
], version = 1, exportSchema = false)
abstract class MyDatabase : RoomDatabase() {
    abstract fun users(): Users
    abstract fun projects(): Projects
    abstract fun notifications(): Notifications
     companion object {

shkschneider

@UiThread
fun getUsers(context: Context): LiveData<List<User>> {
    if (!::users.isInitialized) {
        users = MutableLiveData()
        users.postValue(MyDatabase.get(context).users().getAll())
        GlobalScope.launch(Dispatchers.Main) {
            val usersFromDb: List<User> = async(Dispatchers.IO) {
                return@async MyDatabase.get(context).users().getAll()
            }.await()
            users.value = usersFromDb