README.md
1# Puzzle Game
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3### Introduction
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5This puzzle game app is developed based on the **\<Grid>** component. It uses the `Image` and `MediaLibrary` APIs to obtain and crop images. Below shows the sample app.
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9### Concepts
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11`ImagePacker`: a class that provides APIs to pack images. Before calling any API in `ImagePacker`, you must use `createImagePacker` to create an `ImagePacker` instance.
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13`MediaLibrary`: a class that provides APIs to access and modify media data such as audios, videos, images, and documents.
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15### Required Permissions
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17ohos.permission.READ_MEDIA
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19### Usage
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211. The sample app reads the image files on the local device and displays the first image it obtains. If there is no image on the local device, a blank is displayed.
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232. Touch **Start**, and the countdown begins. If you fail to finish the puzzle within the specified time, the game ends. You can touch **Restart** to play the game again.
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253. When the game is in progress, you can touch any image around the gray grid to swap the position of the image and highlighted grid cell, until you get a complete image.
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274. When the game is not in progress, you can touch the large image on the top and select another image for the game.
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29### Constraints
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311. This sample can only be run on standard-system devices.
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332. This sample demonstrates the stage model, which supports only API version 9.
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353. This sample requires DevEco Studio 3.0 Beta4 (Build Version: 3.0.0.992, built on July 14, 2022) to compile and run.
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