How to Fix Gradle Not Finding the @react-native/gradle-plugin Directory

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1. Verify Dependencies Run the following commands to ensure all required dependencies are properly installed:

Bash

cd "/Users/jeaminpark/Downloads/App Name"
npm install
2. Clean the Gradle Cache Clear the Gradle cache to prevent any outdated files from interfering with your build:

Bash

cd android
./gradlew clean
3. Run the Project Once you've applied these fixes, run your project again:

Bash

npx react-native run-android

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How to Open, Set, and Save Environment Variables (Windows, macOS, Linux)

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🪟 How to Set Environment Variables in Windows 1. Open the Environment Variables Window Right-click the Start menu and select System (or press Windows Key + X and choose System ). Click on Advanced system settings . Click the Environment Variables button. 2. Add a New Environment Variable Click New under the User variables or System variables section. Enter the Variable name and Variable value . Click OK . 3. Edit an Existing Environment Variable Select the variable you want to modify and click Edit . Update the Variable value and click OK . 4. Save and Apply Click OK on all open dialog windows to save your changes. Note: You must restart any currently open command prompts or applications for the changes to take effect. 🍎 How to Set Environment Variables in macOS 1. Open Terminal Go to Applications → Utilities → Terminal . 2. Set Temporary Environment Variables (Current Session Only) Bash export VARIABLE_NAME=value # Example: export PATH=$PATH:/new/path 3. Set Permanent...
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How to Fix Auto Layout Constraint Conflicts and Spacing Issues (Question, Image, and Options)

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The Problem I was facing an issue where the spacing between the question, image, and options was excessively large, resulting in poor readability. On top of that, constraint conflicts were occurring. The root cause was that it is mathematically impossible for Auto Layout to satisfy the following three constraints simultaneously: 20pt spacing from the question to the image view. 10pt spacing from the question label to the options stack view. 20pt spacing from the image view to the options stack view. The Solution To resolve this, I made the constraints dynamic. First, declare variables for the constraints: Swift private var questionToOptionsConstraint: NSLayoutConstraint ! private var questionToImageConstraint: NSLayoutConstraint ! private var imageToOptionsConstraint: NSLayoutConstraint ! Next, initialize these constraints in the setupConstraints() method, but do not activate them yet: Swift questionToOptionsConstraint = optionsStackView.topAnchor.constraint(equalTo: questio...
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How to Fix Shared Progress Issues Across Different Difficulty Levels in SQLite

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1. Preventing Data Conflicts with a Composite Primary Key Problem Previously, the level and quizGroup were not distinctly separated in the database. As a result, saving new progress would unintentionally overwrite existing data from other levels. Solution I updated the progress table to use a composite primary key consisting of both level and quizGroup . This ensures that progress is managed independently for each specific level and group. SQL CREATE TABLE IF NOT EXISTS progress ( level TEXT, quizGroup TEXT, lastQuestionIndex INTEGER , PRIMARY KEY (level, quizGroup) ); 2. Improving the Data Saving Mechanism Updating Progress for a Specific Level and Group In the saveProgress method, I updated the SQL query to include both level and quizGroup in the WHERE clause. This ensures we only update the progress for the targeted level and group. Swift let updateQuery = "UPDATE progress SET lastQuestionIndex = ? WHERE level = ? AND quizGroup = ?;" Appl...
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