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Remove Spacing or Padding in android Spinner

To remove spacing or padding around the items in an Android Spinner, you can create a custom layout for the Spinner item view. By default, each item in the Spinner is displayed using the layout defined by the simple_spinner_item resource. However, you can create a custom layout without any padding or spacing and use it instead. Here's how you can do it: Create a custom layout file for the Spinner item: Create a new XML layout file (e.g., spinner_item_no_padding.xml) in your res/layout directory.

Restricting selectable file types via intent in Android

To restrict selectable file types via an intent in Android, you can use the Intent.setType() method to specify the MIME type of the files you want to allow. Here's how you can do it: In this example, Intent.ACTION_GET_CONTENT is used to create an intent to open the file picker. Then, setType() is used to specify the MIME type of the files you want to allow. You can use wildcards (*) to match multiple file types within the same category, such as image/* for all image types.

Retrieve data from sqlite database to android layout

To retrieve data from an SQLite database and display it in an Android layout, you'll need to perform the following steps: Set Up SQLite Database: Create an SQLite database and define tables to store your data. You can do this by subclassing SQLiteOpenHelper and implementing methods to create and upgrade the database.

retrofit2 - Android pre-lollipop devices giving error "SSL handshake aborted: ssl=0x618d9c18: I/O error during system call, Connection reset by peer"

The error message you're encountering, "SSL handshake aborted: I/O error during system call, Connection reset by peer," indicates a problem with SSL handshake during the connection establishment. This error often occurs on Android devices running pre-Lollipop versions (API level 21 and below) due to compatibility issues with SSL/TLS protocols. Here are some steps you can take to address this issue:

Upload binary file with retrofit 2 in Android

To upload a binary file (such as an image, PDF, etc.) using Retrofit 2 in Android, you need to create an endpoint in your API that accepts multipart form data. Then, you can use Retrofit's @Multipart annotation along with @Part annotations to send the binary file in the request. Here's an example of how you can do this:

Rotating image. Animation list or animated rotate? (Android)

When it comes to rotating an image in an Android application, you have two primary options: using an animation list (frame-by-frame animation) or creating a continuous animated rotation. Each approach has its own use cases and advantages. Here's a detailed explanation of both methods to help you choose the best option for your needs. Frame-by-frame animation involves creating a series of drawable images representing different rotation angles and then displaying them in sequence to create the illusion of rotation.