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Android Camera Framework: From Basics to Advanced

2024-07-11

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In modern mobile application development, camera functionality has become a core component of many applications. Android provides a powerful camera framework that allows developers to easily integrate camera functionality into their applications. This article will delve into the basics, key components, and advanced features of the Android Camera Framework to help developers fully utilize the potential of the Android camera.

Basics

1. Camera API and Camera2 API

Android provides two main camera APIs:

  • Camera API (android.hardware.Camera): This is the old camera API, for devices prior to Android 5.0 (API level 21).
  • Camera2 API (android.hardware.camera2): This is a new version of the camera API, available for Android 5.0 and higher devices. The Camera2 API provides more fine-grained control and richer features.

2. Permissions

Before using the camera function, you need to AndroidManifest.xml Declare camera permissions in the file: