How to Implement a Pattern Password Lock?

Read the original article：How to Implement a Pattern Password Lock? How to Implement a Pattern Password Lock? Requirement Description How to implement the function of setting a pattern password lock? Background Knowledge PatternLock is a component that allows users to input passwords using a 3x3 grid pattern, often used in password verification scenarios. Canvas is a drawing component for custom graphics rendering. Grid is a grid container component where each item corresponds to a GridItem, supporting various layouts. Implementation Steps Option 1: Use the built-in PatternLock component to implement password lock drawing. (Refer to the official documentation: Create a Pattern Password Lock). Option 2: Use a Stack component that contains both Canvas (for drawing lines) and Grid (for rendering the circle nodes) to build a custom pattern lock. Main Logic: Create Canvas and Grid inside Stack to render the pattern interface. Add the handleTouch method to the Canvas component. This is the c