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Creating a New Content Provider
Create a new Content Provider by extending the abstract ContentProvider class. Override the onCreate method to open or initialize the underlying data source you’re exposing with this new provider. The.. Read more
17 days ago
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Using the Media Store And Contacts Provider
The Android Media Store provides a managed repository for audio, video, and image files. Whenever you add a new multimedia file to the Android filesystem, it should be added to the Media Store to expo.. Read more
17 days ago
11 Views
Accessing Native Android, Files in Content Providers
Content Providers represent files as fully qualified URIs rather than raw file data. To insert a file into a Content Provider, or access a saved file, use the Content Resolvers openOutputStream or ope.. Read more
17 days ago
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Adding, Updating, inserts, and Deleting Content in android development Studio codes
Adding, Updating, and Deleting Content ====================================== To perform transactions on Content Providers, use the delete, update, and insert methods on the ContentResolver object. .. Read more
17 days ago
19 Views
Introducing Content Providers and Content Resolvers
Content Providers are a generic interface mechanism that lets you share data between applications. By abstracting away the underlying data source, Content Providers let you decouple your application l.. Read more
17 days ago
15 Views
Nine Notable Changes To Be Made In England ( As Queen Elizabeth pass away)
INTERNATIONAL Note Following the end of Queen Elizabeth II’s record-breaking reign of seven decades on Thursday, some image and national symbols in the United Kingdom and across the Commonwealth will.. Read more
17 days ago
20 Views
Extracting Results from a Cursor and Adding, Updating, and Removing Rows
To extract actual values from a result Cursor, first use the moveTo<location> methods described pre-viously to position the Cursor at the correct row of the result set. With the Cursor at the d.. Read more
19 days ago
20 Views
Android Database Design Considerations and Querying Your Database
Android Database Design Considerations ====================================== There are several considerations specific to Android that you should consider when designing your databas ❑Files (such a.. Read more
19 days ago
21 Views
Using the SQLiteOpenHelper and Opening and Creating Databases without the SQLiteHelper
SQLiteOpenHelper is an abstract class that wraps up the best practice pattern for creating, opening, and upgrading databases. By implementing and using an SQLiteOpenHelper, you hide the logic used to .. Read more
19 days ago
20 Views
Working with Android Databases
It’s good practice to create a helper class to simplify your database interactions. Consider creating a database adapter, which adds an abstraction layer that encapsulates database inter-actions. It .. Read more
19 days ago
22 Views
Introducing SQLite, Cursors and Content Values
SQLite is a relational database management system (RDBMS). It is well regarded, being: ❑Open source ❑ Standards-compliant ❑ Lightweight ❑Single-tier It has been implemented as a compact C library.. Read more
19 days ago
21 Views
Nigeria presidential candidates for the year 2023
All di political parties for Nigeria don finish dia primary elections as na Thursday 9 June 2022 di INEC deadline for completion of primaries and submission of presidential candidates go expire. On W.. Read more
19 days ago
24 Views
Saving and Loading Files
It’s good practice to use Shared Preferences or a database to store your application data, but there are still times when you’ll want to use fi les directly rather than rely on Android’s managed mech.. Read more
19 days ago
30 Views
Charles is the new King
At the moment the Queen died, the throne passed immediately and without ceremony to the heir, Charles, the former Prince of Wales. But there are a number of practical - and traditional - steps which .. Read more
20 days ago
32 Views
Death of Queen Elizabeth II: Royal Family tree and line of succession
Queen Elizabeth II was the longest-reigning monarch in British history. She had four children, eight grandchildren and 12 great-grandchildren. She died on 8 September after 70 years on the throne and.. Read more
20 days ago
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Goodnight World Queen Elizabeth II
aged 96, after reigning for 70 years. Her family gathered at her Scottish estate after concerns grew about her health earlier on Thursday. The Queen came to the throne in 1952 and witnessed enormous.. Read more
20 days ago
26 Views
Creating an Android Preferences Page for the Earthquake Viewer
In Chapter 5, you created an earthquake monitor that showed a list of recent earthquakes based on an Internet feed. In the following example, you’ll create a Preferences page for this earthquake view.. Read more
20 days ago
24 Views
Android Techniques for Saving Data and Retrieving Shared Preferences
The data persistence techniques in Android provide options for balancing speed, efficiency, and robustness: ❑Shared Preferences When storing the UI state, user preferences, or application settings, y.. Read more
20 days ago
36 Views
Data Storage, Retrieval, and Sharing
In this chapter, you’ll be introduced to three of the most versatile data persistence techniques in Android — preferences, local files, and SQLite databases — before looking at Content Providers. Sav.. Read more
20 days ago
24 Views
Creating an Earthquake Viewer in android coding
Creating an Earthquake Viewer In the following example, you’ll create a tool that uses a USGS earthquake feed to display a list of recent earthquakes. You will return to this Earthquake application .. Read more
20 days ago
23 Views