What is a SHA1 fingerprint? (2024)

To scroll a RecyclerView programmatically so that the selected item appears at the top of the list, you can follow these steps:

1. Determine the Position of the Selected Item

Before scrolling, you need to know the position of the item in the RecyclerView that you want to bring to the top. Once you have the position, you can use LinearLayoutManager to scroll to that position.

2. Scroll RecyclerView to Position

Assuming you have a reference to your RecyclerView and you know the position of the selected item, here's how you can scroll to make it visible at the top:

// Assuming 'recyclerView' is your RecyclerView instance// 'selectedPosition' is the position of the item you want to scroll toLinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();// Scroll to selected item positionlayoutManager.scrollToPositionWithOffset(selectedPosition, 0);

In this example:

selectedPosition is the position of the item in your dataset that you want to scroll to.
scrollToPositionWithOffset() is used to scroll the RecyclerView to a specific position with an optional offset.

Explanation:

LinearLayoutManager: You need to cast your RecyclerView.LayoutManager to LinearLayoutManager (assuming you're using a vertical layout), so you can access its methods like scrollToPositionWithOffset().
See Also
Understanding and Using the sha1sum Command in Linux | Mark Ai Code SHA-2 löst SHA-1 ab: Verstehen & Handeln - PSW GROUP Blog Microsoft finally bans SHA-1 certificates in Internet Explorer, Edge
scrollToPositionWithOffset(): This method scrolls the RecyclerView to the specified position. The second parameter (offset) allows you to specify an offset from the start of the item.

Example Usage:

// Example: Scroll to selected item position 5int selectedPosition = 5;LinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();layoutManager.scrollToPositionWithOffset(selectedPosition, 0);

Notes:

RecyclerView LayoutManager: Depending on your RecyclerView setup (e.g., vertical or horizontal), you may need to adjust the casting of the LayoutManager accordingly (LinearLayoutManager, GridLayoutManager, etc.).
Handling Edge Cases: Ensure that selectedPosition is within valid bounds of your dataset to avoid IndexOutOfBoundsException.
Smooth Scrolling: If you prefer a smooth scroll animation, you can use smoothScrollToPosition() instead of scrollToPositionWithOffset().

Alternative Approach (Smooth Scrolling):

layoutManager.smoothScrollToPosition(recyclerView, null, selectedPosition);

This method scrolls smoothly to the desired position without an offset.

By following these steps, you can programmatically scroll a RecyclerView in your Android app to make the selected item appear at the top of the visible list. Adjust the parameters and methods based on your specific layout and scrolling requirements.

Examples

How to generate a SHA1 fingerprint for an Android app using Android Studio?Description: This query explains the steps to generate a SHA1 fingerprint using Android Studio.Code:

1. Open Android Studio.2. Click on `View` in the menu bar.3. Select `Tool Windows` -> `Gradle`.4. In the right panel, expand `:app` -> `Tasks` -> `android`.5. Double-click on `signingReport`.6. The `Run` window will display the SHA1 fingerprint for your debug and release keys.

How to get the SHA1 fingerprint from the command line for an Android app?Description: This query explains how to use the keytool command to get the SHA1 fingerprint from the command line.Code:
```
keytool -list -v -keystore ~/.android/debug.keystore -alias androiddebugkey -storepass android -keypass android
```
How to obtain SHA1 fingerprint from the keystore file in Android?Description: This query shows how to extract the SHA1 fingerprint from a specific keystore file.Code:
```
keytool -list -v -keystore /path/to/your/keystore.jks -alias your_alias_name
```

How to generate a SHA1 fingerprint for Firebase integration in Android?Description: This query explains how to generate and add a SHA1 fingerprint to Firebase for Android app integration.Code:

1. Generate the SHA1 fingerprint using Android Studio or `keytool` command.2. Open the Firebase console and select your project.3. Go to `Project Settings`.4. Under `Your apps`, select the Android app.5. Add the SHA1 fingerprint under `SHA certificate fingerprints`.

How to find SHA1 fingerprint using the Gradle signing report?Description: This query details the steps to find the SHA1 fingerprint using the Gradle signing report in Android Studio.Code:
```
1. Open Android Studio.2. Open the `Terminal` window at the bottom.3. Run the command: `./gradlew signingReport`.4. The terminal will display the SHA1 fingerprint for all the variants.
```

How to add a SHA1 fingerprint to Google API Console for Android app?Description: This query explains how to add a SHA1 fingerprint to the Google API Console.Code:

1. Generate the SHA1 fingerprint.2. Go to the [Google API Console](https://console.developers.google.com/).3. Select your project.4. Navigate to `Credentials`.5. Select `Create credentials` -> `OAuth 2.0 Client IDs`.6. Add the SHA1 fingerprint in the `Authorized certificates for application` section.

How to check SHA1 fingerprint for a release APK in Android?Description: This query shows how to check the SHA1 fingerprint for a release APK.Code:
```
keytool -printcert -jarfile /path/to/your/release.apk
```

How to use SHA1 fingerprint for Google Sign-In integration in Android?Description: This query explains how to use the SHA1 fingerprint for integrating Google Sign-In.Code:

1. Generate the SHA1 fingerprint.2. Add the SHA1 fingerprint to the Firebase console.3. Configure Google Sign-In in the Firebase console.4. Follow the steps in the [Google Sign-In documentation](https://developers.google.com/identity/sign-in/android/start-integrating) to integrate it into your app.

How to verify SHA1 fingerprint for existing keystore in Android?Description: This query shows how to verify the SHA1 fingerprint for an existing keystore.Code:
```
keytool -list -v -keystore /path/to/your/existing/keystore.jks -alias your_alias_name
```

More Tags

subsetreact-intlgit-branchandroid-multidexandroid-collapsingtoolbarlayoutsqlconnectionangular-template-formcontrol-structurepg-restoretry-except