Come funziona l'applicazione registratore di schermo in Android?

L'applicazione Android Recorder usa due classi:-

i). MediaRecorder

ii). MediaPlayer

Android ha un microfono incorporato attraverso il quale è possibile catturare l'audio e memorizzarlo, o riprodurlo nel tuo telefono. Ci sono molti modi per farlo, ma il modo più comune è attraverso la classe MediaRecorder.

Android fornisce la classe MediaRecorder per registrare audio o video. Per utilizzare la classe MediaRecorder, dovrete prima creare un'istanza della classe MediaRecorder. Its syntax is given below.

1. MediaRecorder myAudioRecorder = new MediaRecorder(); 

Now you will set the source , output and encoding format and output file. Their syntax is given below.

1. myAudioRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); 
2. myAudioRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 
3. myAudioRecorder.setAudioEncoder(MediaRecorder.OutputFormat.AMR_NB); 
4. myAudioRecorder.setOutputFile(outputFile); 

After specifying the audio source and format and its output file, we can then call the two basic methods prepare and start to start recording the audio.

1. myAudioRecorder.prepare(); 
2. myAudioRecorder.start();  

So if you also want to implement and create an app for such you can go through this link:-

Android Audio Capture Tutorial

Also in order to learn more about media recorder app search for there tutorials.

Also would like to get into your notice that to build a media recorder app is very easy and simple.

<- Piece Of Advice->

Try to develop a very beautiful UI/UX for the same. It will give a good kickstart to your app.

Hope, you would have liked this information and also you develop your app quickly.

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Thanks!