lawloretienne

Table Of Contents

• Data Structures
  • Linked Lists
  • Trees
    • Binary Trees
    • Binary Search Tree
    • Red-Black Tree
    • AVL Tree
• Tries

lawloretienne

Make two API calls and update in one event

Observable.combineLatest(
    Api.getService(Api.getEndpointUrl()).getUserProfile(SoundcloudConstants.USERNAME),
    Api.getService(Api.getEndpointUrl()).getFavoriteTracks(SoundcloudConstants.USERNAME),
    new Func2<UserProfile, List<Track>, Account>() {
        @Override
        public Account call(UserProfile userProfile, List<Track> tracks) {
            return new Account(userProfile, tracks);
        }

gabrielemariotti

You can use this class to realize a simple sectioned grid RecyclerView.Adapter without changing your code.

The RecyclerView has to use a GridLayoutManager.

This is a porting of the class SimpleSectionedListAdapter provided by Google

If you are looking for a sectioned list RecyclerView.Adapter you can take a look here

gist:1c04bf2423579e9d2dcd

// These two need to be declared outside the try/catch
// so that they can be closed in the finally block.
HttpURLConnection urlConnection = null;
BufferedReader reader = null;
 
// Will contain the raw JSON response as a string.
String forecastJsonStr = null;
 
try {
    // Construct the URL for the OpenWeatherMap query

JakeWharton

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.widget.ImageView;

public class ForegroundImageView extends ImageView {
  private Drawable foreground;

JakeWharton

Output

Greeting: Hey
Greeting: Hi
Greeting: Hello

[60, 61, 62, 63, 64, 65, 66, 67, 68, 69]
[70, 71, 72, 73, 74, 75, 76, 77, 78, 79]
[80, 81, 82, 83, 84, 85, 86, 87, 88, 89]

romannurik

/*
 * Copyright 2014 Google Inc.
 *
 * 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

JakeWharton

import android.view.View;
import android.view.ViewGroup;

/**
 * A {@link ViewGroup.OnHierarchyChangeListener hierarchy change listener} which recursively
 * monitors an entire tree of views.
 */
public final class HierarchyTreeChangeListener implements ViewGroup.OnHierarchyChangeListener {
  /**
   * Wrap a regular {@link ViewGroup.OnHierarchyChangeListener hierarchy change listener} with one

JakeWharton

// Apache 2.0 licensed.

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;

/** An implementation of {@link BaseAdapter} which uses the new/bind pattern for its views. */
public abstract class BindableAdapter<T> extends BaseAdapter {

JakeWharton

/**
 * Execute an {@link AsyncTask} on a thread pool.
 *
 * @param task Task to execute.
 * @param args Optional arguments to pass to {@link AsyncTask#execute(Object[])}.
 * @param <T> Task argument type.
 */
public static <T> void execute(AsyncTask<T, ?, ?> task, T... args) {
  if (Build.VERSION.SDK_INT < Build.VERSION_CODES.DONUT) {
    throw new UnsupportedOperationException("This class can only be used on API 4 and newer.");