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Tag: database
How to upload BLOB (image, video) data to Firebase database from your Android App? API 34 | Android 14
The provided content is a detailed tutorial on how to insert Binary Large Objects (BLOB) data, such as images or videos, into a Firebase database from an Android app. It includes a link to a tutorial video, complete source code (written in Java), Android application package (manifest) specifications, Gradle scripts, and Android layout XML code. The source code demonstrates how to upload an image from internal storage into the Firebase database and how to retrieve and display it. The corresponding XML layout consists of two ImageView components and two buttons for triggering database operations.
How to convert an image to BLOB (bytes array) and vice-versa using Base64 encoder in your Android App? API 34 | Android 14
This video shows the steps to read an image file from the download folder of the android device. Then convert it into a Blob type, basically a bytes array. Then it encodes it into string type using Base64 character encoding. And it decodes it back. It displays both encoded and…
How to solve Oracle database ERROR: ORA-12541: TNS:no listener?
Executing sqlplus to connect to local database gives below error when the respective service is not running. To solve this issue, follow below steps: 1. Goto Services.msc 2. Start the below services: 3. Then try again the sqlplus command. Enter the user-name and password if prompted.
How to connect and work with Oracle database in matlab using App Designer?
In this video it shows how to develop a Matlab App to connect and work with Oracle Database. It runs a simple query to fetch the data from the database and display it in the TextArea widget in the App. I hope you like this video. For any questions, suggestions…
How to connect to Oracle database and run SQL queries from matlab command line and database explorer App?
In this video it shows the steps to configure the Oracle database in the matlab environment using the database explorer. The it shows how one run a query on the connected database through the database explorer or Matlab commands/ script. In this video it initially shows the result of connecting…
How to update or edit an existing contact in your phone from your App? – Android Studio code
In this video it shows the implementation of the app to update an existing contact in your phone. It uses ContentProviderOperation and newUpdate method to update any existing contact after searching it based on the display name. I hope you like this video. For any questions, suggestions or appreciation please…
How to add/ save a new contact in phone directly from your App? – Android Studio code
In this video it shows how to save the contacts directly from your Android App programmatically. It uses ContentProviderOperation to structure the input and then insert it in the phone’s content as a new contact. I hope you like this video. For any questions, suggestions or appreciation please contact us…
How to connect to the Oracle database using JDBC driver from your Android App? – Android Studio Example
In this page it shows the steps to develop the Android App code to connect to the Oracle database. It briefly shows the steps to install and setup the Oracle database on your machine initially. Then it takes through the steps of how to include the jdbc JAR file in…
How to store image in MS SQL Server database and retrieve it from your Android App?
This page shows steps to create an Android App which connects to MS SQL Server Database. It uses the MSSQL database to store the images in bytes array format. The respective data type in database server is VARBINARY(MAX). It uses a couple of images saved in the emulator phone to…