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How to ship an Android application with a database? Android Programming: Pushing the Limits. Developers. A good way to start using the Java SDK is to follow this quick tutorial.


Just make sure you have the the Java SDK installed first! Register a Dropbox API app. Android Core API - Dropbox. The Core API is based on HTTP and OAuth and provides low-level calls to access and manipulate a user's Dropbox account.

Android Core API - Dropbox

If you want to follow along, first register a new app on the App Console. You'll need the app key and secret to access the Core API. Then install the Android SDK and you'll be ready to go. Authenticating your app The Core API uses OAuth v2, but the Android SDK will take care of most of it so you don't have to start from scratch. Android SQLite database and content provider. SQLite is an Open Source database.

Android SQLite database and content provider

SQLite supports standard relational database features like SQL syntax, transactions and prepared statements. The database requires limited memory at runtime (approx. 250 KByte) which makes it a good candidate from being embedded into other runtimes. SQLite supports the data types TEXT (similar to String in Java), INTEGER (similar to long in Java) and REAL (similar to double in Java). All other types must be converted into one of these fields before getting saved in the database. Getting Started with Data Binding in Android. Data Binding Guide. This document explains how to use the Data Binding Library to write declarative layouts and minimize the glue code necessary to bind your application logic and layouts.

Data Binding Guide

The Data Binding Library offers both flexibility and broad compatibility — it's a support library, so you can use it with all Android platform versions back to Android 2.1 (API level 7+). To use data binding, Android Plugin for Gradle 1.3.0-beta4 or higher is required. Beta release Please note that the Data Binding library is a beta release. While Data Binding is in beta, developers should be aware of the following caveats: Google. Saving Data in SQL Databases. Saving data to a database is ideal for repeating or structured data, such as contact information.

Saving Data in SQL Databases

This class assumes that you are familiar with SQL databases in general and helps you get started with SQLite databases on Android. The APIs you'll need to use a database on Android are available in the android.database.sqlite package. Define a Schema and Contract One of the main principles of SQL databases is the schema: a formal declaration of how the database is organized. Android 4 beginners. By logging in to this service, you are agreeing to the following Regulations and Policies.

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  Google Developers. Creating a Fragment. You can think of a fragment as a modular section of an activity, which has its own lifecycle, receives its own input events, and which you can add or remove while the activity is running (sort of like a "sub activity" that you can reuse in different activities).

Creating a Fragment

This lesson shows how to extend the Fragment class using the Support Library so your app remains compatible with devices running system versions as low as Android 1.6. Note: If you decide that the minimum API level your app requires is 11 or higher, you don't need to use the Support Library and can instead use the framework's built in Fragment class and related APIs. Just be aware that this lesson is focused on using the APIs from the Support Library, which use a specific package signature and sometimes slightly different API names than the versions included in the platform. Getting Started. Action Bar. The action bar is a window feature that identifies the user location, and provides user actions and navigation modes.

Action Bar

Using the action bar offers your users a familiar interface across applications that the system gracefully adapts for different screen configurations. Figure 1. An action bar that includes the [1] app icon, [2] two action items, and [3] action overflow. The action bar provides several key functions: Provides a dedicated space for giving your app an identity and indicating the user's location in the app. FloatingActionButton. Classroom. Introduction to Android. Pro android 4. By logging in to this service, you are agreeing to the following Regulations and Policies.

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If you do not understand any of the Regulations or Policies, or if you do not agree to fully abide by them, then you should not use this service. Specifically, you must ensure that you keep your login details confidential and you may not allow any third party to use your account. All login attempts are monitored and all suspicious account activity is investigated. In extreme circumstances, your network account may be disabled. If you are using the University of Huddersfield's network to use this service, then you are also agreeing to abide by the JANET Acceptable Use Policy. Students of the University of Huddersfield are also implicitly bound to abide by the relevant Handbook of Regulations issued during enrolment.

Creating Lists and Cards. Para criar listas e cartões complexos com estilos do Material Design no seu aplicativo, você pode usar os widgets RecyclerView e CardView .

Creating Lists and Cards

Criar listas O widget RecyclerView é uma versão mais avançada e flexível do ListView. Esse widget é um contêiner para exibir grandes conjuntos de dados que podem ser rolados com muita eficiência ao manter um número limitado de visualizações. Use o widget RecyclerView quando tiver coletas de dados cujos elementos mudam durante a execução baseados na ação do usuário ou em eventos de rede. A classe RecyclerView simplifica a exibição e o tratamento de grandes conjuntos de dados oferecendo: Gerenciadores de layout para posicionar itens Animações padrão para operações de item comuns, como remoção ou adição de itens. Android ListView – Tutorial and basic example. Topics covered Android ListView SimpleAdapter ListView onClickListener ListView menu context:ContextMenuInfo and AdpaterContextMenuInfo One of the UI component we use often is ListView, for example when we need to show items in a vertical scrolling list.

In order to show items inside the list, this component uses an adapter, so if we want to populate the list we have first create or use existing adapters. Our MainActivity class is: public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); .... } ... }

DezQ/ContactManager. Material Design. Developer Docs Creating Apps with Material Design Video Introduction to Material Design Paper and Ink: The Materials that Matter. Building a Simple User Interface. In this lesson, you create a layout in XML that includes a text field and a button. In the next lesson, your app responds when the button is pressed by sending the content of the text field to another activity. The graphical user interface for an Android app is built using a hierarchy of View and ViewGroup objects. View objects are usually UI widgets such as buttons or text fields. ViewGroup objects are invisible view containers that define how the child views are laid out, such as in a grid or a vertical list. Android Design Principles. These design principles were developed by and for the Android User Experience Team to keep users' best interests in mind.

For Android developers and designers, they continue to underlie the more detailed design guidelines for different types of devices. Consider these principles as you apply your own creativity and design thinking. Deviate with purpose. Enchant Me Delight me in surprising ways. Sign in - Google Accounts. Adding SDK Packages. By default, the Android SDK does not include everything you need to start developing. The SDK separates tools, platforms, and other components into packages you can download as needed using the Android SDK Manager.