How to achieve the turning effect of wechat video recording?

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My quotation

WeChat chat , Send a recorded video , Long press the button , There is a looping effect during recording , How can this effect be achieved ？ If you write it yourself, it probably involves knowledge points Android Customize View Medium drawArc Draw an arc , But we can go first GitHub Find out if there are any similar libraries , The principle is “ Most of the time, you don't need to know much about the principle at all , Just stand on the ding ding of the giant ”, The so-called predecessors plant trees, and later generations enjoy the cool .

very good ,GitHub There are really , be known as CameraVideoButton, Imitation Instagram Animation buttons for taking photos or recording videos , Recommended to you , Language is
Kotlin, Words GitHub What a treasure .

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Use

The project and app build.gradle：

allprojects {
    repositories {
        //...
        maven { url 'https://jitpack.io' }
    }
}

dependencies {
    implementation 'com.github.iammert:CameraVideoButton:0.2'
}

xml quote ：

<com.iammert.library.cameravideobuttonlib.CameraVideoButton android:id="@+id/button" android:layout_width="120dp" android:layout_height="120dp" app:cvb_recording_color="#D438A2"/>

Code callback ：

videoRecordButton.actionListener = object : CameraVideoButton.ActionListener{
    
    override fun onStartRecord() {
    
        Log.v("TEST", "Start recording video")
    }

    override fun onEndRecord() {
    
        Log.v("TEST", "Stop recording video")
    }

    override fun onDurationTooShortError() {
    
        Log.v("TEST", "Toast or notify user")
    }

    override fun onSingleTap() {
    
        Log.v("TEST", "Take photo here")
    }
}

GitHub Address

https://github.com/iammert/CameraVideoButton

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