I can't directly download videos from YouTube as it violates YouTube's Terms of Service (only official YouTube Premium allows offline downloads within their app).
private fun startDownload(url: String? = null, fileName: String? = null) { val downloadUrl = url ?: binding.etUrl.text.toString().trim() val downloadFileName = fileName ?: binding.etFileName.text.toString().trim().ifEmpty { "video_${System.currentTimeMillis()}" } if (downloadUrl.isEmpty()) return // Show progress dialog val progressDialog = MaterialAlertDialogBuilder(this) .setTitle("Downloading") .setView(com.google.android.material.progressindicator.LinearProgressIndicator(this).apply { id = android.R.id.progress isIndeterminate = false }) .setCancelable(false) .create() progressDialog.show() val progressBar = progressDialog.findViewById<com.google.android.material.progressindicator.LinearProgressIndicator>(android.R.id.progress) downloadService?.downloadVideo( url = downloadUrl, fileName = downloadFileName, onProgress = { progress -> progressBar?.setProgress(progress.toInt()) progressDialog.setTitle("Downloading: ${progress.toInt()}%") }, onComplete = { file -> progressDialog.dismiss() if (file != null && file.exists()) { Snackbar.make(binding.root, "Downloaded: ${file.name}", Snackbar.LENGTH_LONG) .setAction("Open") { openFile(file) } .show() } else { Toast.makeText(this, "Download failed", Toast.LENGTH_SHORT).show() } } ) } download 4k video from youtube android
private fun checkPermissionsAndDownload(url: String, fileName: String) { val permissions = mutableListOf<String>() if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) { if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { permissions.add(Manifest.permission.WRITE_EXTERNAL_STORAGE) } } if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) { if (ContextCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) { permissions.add(Manifest.permission.POST_NOTIFICATIONS) } } if (permissions.isNotEmpty()) { permissionLauncher.launch(permissions.toTypedArray()) } else { startDownload(url, fileName) } } I can't directly download videos from YouTube as
private fun loadSampleVideos() { // Sample public domain/Creative Commons video URLs for testing val samples = listOf( SampleVideo("Sample 1 - Big Buck Bunny", "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4"), SampleVideo("Sample 2 - For Bigger Blazes", "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ForBiggerBlazes.mp4"), SampleVideo("Sample 3 - For Bigger Funrides", "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ForBiggerFunrides.mp4") ) // Display samples in RecyclerView (simplified - add to a list) binding.samplesContainer.removeAllViews() samples.forEach { sample -> val button = com.google.android.material.button.MaterialButton(this).apply { text = sample.name layoutParams = android.view.ViewGroup.LayoutParams( android.view.ViewGroup.LayoutParams.MATCH_PARENT, android.view.ViewGroup.LayoutParams.WRAP_CONTENT ) setOnClickListener { binding.etUrl.setText(sample.url) binding.etFileName.setText(sample.name.replace(" ", "_").lowercase()) } } binding.samplesContainer.addView(button) } } = null) { val downloadUrl = url
override fun onDestroy() { super.onDestroy() serviceScope.cancel() } } // MainActivity.kt import android.Manifest import android.content.ComponentName import android.content.Context import android.content.Intent import android.content.ServiceConnection import android.content.pm.PackageManager import android.net.Uri import android.os.Build import android.os.Bundle import android.os.IBuilder import android.os.IBinder import android.widget.Toast import androidx.activity.result.contract.ActivityResultContracts import androidx.appcompat.app.AppCompatActivity import androidx.core.content.ContextCompat import androidx.lifecycle.lifecycleScope import com.google.android.material.dialog.MaterialAlertDialogBuilder import com.google.android.material.snackbar.Snackbar import kotlinx.coroutines.launch class MainActivity : AppCompatActivity() { private var downloadService: VideoDownloaderService? = null private var isBound = false