Razeeman

https://stackoverflow.com/a/35446009    11 Ways to convert an InputStream to a String with perfomance tests
https://medium.com/@harrysinghio/android-studio-tips-and-tricks-part-1-5b42d043333d
https://medium.com/@harrysinghio/android-studio-tips-and-tricks-part-2-d6548f8c249f
https://play.kotlinlang.org/koans/overview
https://medium.com/@JasonWyatt/squeezing-performance-from-sqlite-insertions-971aff98eef2

Courses:
  http://web.stanford.edu/class/cs193a/videos.shtml
  https://www.udacity.com/course/android-basics-networking--ud843
  https://www.udacity.com/course/new-android-fundamentals--ud851

Razeeman

/**
 * Builds the URL from query string.
 *
 * @param searchQuery The search string that will be queried for.
 * @return            The URL to use for the query.
 */
public static URL buildUrl(String searchQuery) {
  String baseUrl = "https://api.github.com/search/repositories";
  String paramQuery = "q";
  

Razeeman

public class MainActivity extends AppCompatActivity {
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        query = "sample query"
        URL searchUrl = NetworkUtils.buildUrl(query);
        new QueryTask().execute(searchUrl);

Razeeman

/**
 * This method fires off an implicit Intent to open a webpage.
 *
 * @param url Url of webpage to open. Should start with http:// or https:// as that is the
 *            scheme of the URI expected with this Intent according to the Common Intents page
 */
private void openWebPage(String url) {
    Uri webpage = Uri.parse(url);
    Intent intent = new Intent(Intent.ACTION_VIEW, webpage);
    /*

Razeeman

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    /*
     * If savedInstanceState is not null, that means our Activity is not being started for the
     * first time. Even if the savedInstanceState is not null, it is smart to check if the
     * bundle contains the key we are looking for.
     */
    if (savedInstanceState != null) {

Razeeman

public class MainActivity extends AppCompatActivity implements
    LoaderManager.LoaderCallbacks<String> {
    
    private static final int LOADER_ID = 22;
    private static final String SEARCH_QUERY_URL_EXTRA = "query";
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

Razeeman

public class Main {
    
    /**
     * Returns new list of N random elements from provided list.
     * 
     * @param list list of elements to choose from
     * @param n    number of elements to choose
     * @param <E>  type of elements in a list
     * @return     new list of N random elements from provided list
     */

Razeeman

Java

Not thread safe.

class SimpleSingleton {
    private static SimpleSingleton sInstance;
  
    private SimpleSingleton() {}
 

Razeeman

Java. Kotlin.
OOP.
Design patterns.
Solid. Clean architecture.
Rest, crud, http, soap.

Android version names.
Android system architecture.
Android components. Activity, service, broadcast receiver, content provider.
Material design.

Razeeman

<?xml version="1.0" encoding="utf-8"?>
<resources xmlns:tools="http://schemas.android.com/tools">

    <color name="red_50">#FFEBEE</color>
    <color name="red_100">#FFCDD2</color>
    <color name="red_200">#EF9A9A</color>
    <color name="red_300">#E57373</color>
    <color name="red_400">#EF5350</color>
    <color name="red_500">#F44336</color>
    <color name="red_600">#E53935</color>