how to download video from url in android programmatically
AndroidManifest.xml
<!--- Add Internet Permissions in the Manifest File-->
<uses-permission android:name="android.permission.INTERNET"/>
<!-- Add Read and Write Permissions in the Manifest File-->
<uses-permission
android:name="android.permission.WRITE_EXTERNAL_STORAGE"
tools:ignore="ScopedStorage" />
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical"
tools:context=".MainActivity">
<androidx.appcompat.widget.AppCompatButton
android:id="@+id/downloadBtn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:text="Download File" />
</LinearLayout>
MainActivity.java
import android.Manifest;
import android.app.ProgressDialog;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.AppCompatButton;
import androidx.core.content.ContextCompat;
import java.io.File;
public class MainActivity extends AppCompatActivity {
private String fileUrl = "https://jsoncompare.org/LearningContainer/SampleFiles/Video/MP4/sample-mp4-file.mp4";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final AppCompatButton downloadFile = findViewById(R.id.downloadBtn);
ProgressDialog progressDialog = new ProgressDialog(MainActivity.this);
progressDialog.setCancelable(false);
downloadFile.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
// check if external storage permissions granted or not
if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED ||
ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
// request for permissions
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE}, 102);
}
} else {
// show progress dialog
progressDialog.show();
// download file
DownloadFile.download(MainActivity.this, fileUrl, "fileNamedataa.mp4", new DownloadProgressListener() {
@Override
public void progress(int downloaded, int totalFileSize) {
// creating downloaded percentages
int percentages = (downloaded * 100) / totalFileSize;
// setting progress to ProgressDialog
progressDialog.setMessage("Downloaded = " + percentages + "%");
}
@Override
public void success(File downloadedFile) {
}
@Override
public void error(String errorMessage) {
}
});
}
}
});
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == 102) {
if (grantResults.length > 0 && grantResults[0] != PackageManager.PERMISSION_GRANTED) {
Toast.makeText(this, "Permissions Declined", Toast.LENGTH_SHORT).show();
}
}
}
}
DownloadFile.java
import android.content.ContentValues;
import android.content.Context;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.os.Looper;
import android.provider.MediaStore;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
public class DownloadFile {
private static DownloadProgressListener downloadProgressListener;
public static void download(Context context, String fileUrl, String fileName, DownloadProgressListener downloadProgressListener) {
new Thread(new Runnable() {
@Override
public void run() {
DownloadFile.downloadProgressListener = downloadProgressListener;
try {
// Create Url
URL url = new URL(fileUrl);
// Making HTTP Request
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.connect();
// getting file length
int fileSize = connection.getContentLength();
// getting input stream
InputStream inputStream = connection.getInputStream();
// creating byte buffer to read bytes from InputStream
byte[] buffer = new byte[1024];
// to store total downloaded bytes
int totalDownloadedBytes = 0;
// for below API level 29 we need to use old way to store Media Files like images, videos, etc.
final String picturesDirectory = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES).toString();
File destinationFile = new File(picturesDirectory, fileName);
OutputStream outputStream;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
ContentValues values = new ContentValues();
values.put(MediaStore.Video.Media.DISPLAY_NAME, fileName); // set image filename
values.put(MediaStore.Video.Media.RELATIVE_PATH, Environment.DIRECTORY_MOVIES);
// creating file
Uri fileUri = context.getContentResolver().insert(MediaStore.Video.Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY), values);
outputStream = context.getContentResolver().openOutputStream(fileUri);
} else {
outputStream = new FileOutputStream(destinationFile);
}
while (true) {
// getting bytes / download bytes
int downloadedBytes = inputStream.read(buffer);
// -1 means all the bytes has downloaded successfully
if (downloadedBytes == -1) {
Looper.prepare();
DownloadFile.downloadProgressListener.success(destinationFile);
// close outputStream and inputStream
outputStream.close();
inputStream.close();
// break the loop
break;
} else {
// writing output stream
outputStream.write(buffer, 0, downloadedBytes);
// append downloadedBytes to totalDownloadedBytes
totalDownloadedBytes = totalDownloadedBytes + downloadedBytes;
// call progress
DownloadFile.downloadProgressListener.progress(totalDownloadedBytes, fileSize);
}
}
} catch (IOException e) {
e.printStackTrace();
Looper.prepare();
// Error
DownloadFile.downloadProgressListener.error(e.getMessage());
}
}
}).start();
}
}
DownloadProgressListener.java
import java.io.File;
public interface DownloadProgressListener {
void progress(int downloaded, int totalFileSize);
void success(File downloadedFile);
void error(String errorMessage);
}
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