nikartm

# Android Studio
.gradle
/local.properties
.DS_Store
/build
/captures
app/build/
gradle/
*.iml
.idea

nikartm

<?xml version="1.0"?>
<string-array name="cities">
	<item>Абаза, Хакасия</item>
	<item>Абакан, Хакасия</item>
	<item>Абдулино, Оренбургская область</item>
	<item>Абинск, Краснодарский край</item>
	<item>Агидель, Башкортостан</item>
	<item>Агрыз, Татарстан</item>
	<item>Адыгейск, Адыгея</item>
	<item>Азнакаево, Татарстан</item>

nikartm

public static String getAgeWithDeclination(double age){
    String result;
    List<Double> units = Arrays.asList(2d, 3d, 4d);
    List<Double> dozens = Arrays.asList(11d, 12d, 13d, 14d);

    if(age != 11 && age % 10 == 1) {
        result = age + " год";
    } else if(age % 1 != 0d || (units.contains(age % 10) && !dozens.contains(age % 100))) {
        result = age + " года";
    } else {

nikartm

import android.content.Context;
import android.support.design.widget.AppBarLayout;
import android.support.design.widget.CoordinatorLayout;
import android.util.AttributeSet;
import android.view.View;

/**
 * @author Ivan V on 06.03.2018.
 * @version 1.0
 */

nikartm

package ru.dasreda.dasreda;

import android.content.Context;
import android.support.design.widget.CoordinatorLayout;
import android.util.AttributeSet;
import android.widget.FrameLayout;

/**
 * @author Ivan V on 06.03.2018.
 * @version 1.0

nikartm

package com.github.example;

import android.content.Context;
import android.graphics.Bitmap;
import android.net.Uri;
import android.text.TextUtils;
import android.util.Log;

import androidx.annotation.Nullable;
import androidx.core.content.FileProvider;

nikartm

Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

All hex value from 100% to 0% alpha:

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import android.os.CountDownTimer
import java.util.concurrent.TimeUnit

/**
 * Countdown timer helper
 * @author Ivan V on 23.04.2020.
 * @version 1.0
 */
class SimpleTimer {

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private void onClickBnvMenu() {
    bnvMenu.setOnNavigationItemSelectedListener(item -> {
        final int itemId = item.getItemId();
        if (selectedCategoryId == itemId) {
            return false;
        }

        switch (itemId) {
            case R.id.item_feed:
                // Do something

nikartm

/**
 * Sticky dialog for [RecyclerView].
 * Create instance when RecyclerView will be initialized and 
 * call [StickyDialog.show] when a user clicked by item in a list
 *
 * @author Ivan V on 31.07.2020.
 * @version 1.0
 */
class StickyDialog : DialogFragment {