How to Properly Assign Conditions to an ImageView in Android using if-else Statements

Learn how to increase your score correctly when clicking on specific `ImageViews` in your Android app using Kotlin and `if-else` conditions.
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How to Properly Assign Conditions to an ImageView in Android using if-else Statements

Introduction

If you're developing an Android app and using Kotlin, you may want to implement a scoring system based on user interactions with images. However, you might run into situations where the score increases regardless of which image is clicked. This guide will address the problem and walk you through a solution that ensures the score only increases when clicking a specific ImageView.

The Problem

The Solution: Organized Steps

To resolve this issue, we need to implement a more structured approach. Here are the steps:

Step 1: Prevent Independent Random Selection

Instead of selecting a random number twice—once for setting the image and once for checking the score—store the selected image resource ID in a variable. This way, you can reference the same image both for display and for checking conditions.

Step 2: Create an Explicit Click Listener

Implement a click listener that can hold a state variable indicating whether the current image should add to the score when clicked. Here's how that can be structured:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Setup Function for Reusability

To maintain clean code, consider creating a function to assign a random image. This function will help set up the ImageView both when clicked and initially.

[[See Video to Reveal this Text or Code Snippet]]

Step 4: Initialize the Image at Start

You can store the returning value of your assignRandomPic function in a variable to keep track of whether the current image is a point-scoring one:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By following the steps outlined above, you ensure that the score increments only when the correct image is clicked. This approach not only solves your immediate problem but also promotes clean coding practices by making your code reusable and easier to maintain. Try incorporating these techniques to enhance your Android app's interactivity effectively!