How to develop a video recorder Android App? – Android 14 | API 34

This video shows the steps to develop your own video recorder Android app and save the video (.mp4) file in Download folder of the device.

I hope you like this video. For any questions, suggestions or appreciation please contact us at: or email at: programmerworld1990@gmail.com

Complete source code and other details/ steps of this video are posted in the below link:
https://programmerworld.co/android/how-to-develop-a-video-recorder-android-app-android-14-api-34/

However, the main Java code is copied below also for reference:

package com.programmerworld.videorecorderapp;

import static android.Manifest.permission.CAMERA;
import static android.Manifest.permission.READ_MEDIA_AUDIO;
import static android.Manifest.permission.READ_MEDIA_IMAGES;
import static android.Manifest.permission.READ_MEDIA_VIDEO;
import static android.Manifest.permission.RECORD_AUDIO;

import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;

import android.content.pm.PackageManager;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.os.storage.StorageManager;
import android.os.storage.StorageVolume;
import android.view.SurfaceView;
import android.view.View;
import android.widget.Toast;

import java.io.File;
import java.io.IOException;

public class MainActivity extends AppCompatActivity {
private SurfaceView surfaceView;
private MediaRecorder mediaRecorder;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

ActivityCompat.requestPermissions(this,
new String[]{CAMERA,
READ_MEDIA_VIDEO,
READ_MEDIA_IMAGES,
READ_MEDIA_AUDIO,
RECORD_AUDIO},
PackageManager.PERMISSION_GRANTED);

surfaceView = findViewById(R.id.surfaceView);
mediaRecorder = new MediaRecorder(this);
}

public void buttonStartVideoRecording(View view){
StorageManager storageManager = (StorageManager) getSystemService(STORAGE_SERVICE);
StorageVolume storageVolume = storageManager.getStorageVolumes().get(0); // 0 for internal storage
File fileVideo = new File(storageVolume.getDirectory().getPath() +
“/Download/” +
System.currentTimeMillis()+”.mp4″);

mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);

mediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
mediaRecorder.setOutputFile(fileVideo.getPath());

mediaRecorder.setMaxDuration(5000); // 5 seconds of max recording
mediaRecorder.setMaxFileSize(5000000); // Max 5 MB

mediaRecorder.setPreviewDisplay(surfaceView.getHolder().getSurface());
try {
mediaRecorder.prepare();
} catch (IOException e) {
Toast.makeText(this, e.toString(), Toast.LENGTH_LONG).show();
}
mediaRecorder.start();
}

public void buttonStopVideoRecording(View view){
mediaRecorder.stop();
mediaRecorder.release();
}
}

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