package com.stoutner.privacybrowser.asynctasks;
import android.app.Activity;
-import android.content.ActivityNotFoundException;
+import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.view.View;
import android.webkit.CookieManager;
+import android.webkit.MimeTypeMap;
import androidx.core.content.FileProvider;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
-import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.ref.WeakReference;
import java.text.NumberFormat;
public class SaveUrl extends AsyncTask<String, Long, String> {
- // Define a weak references for the calling context and activity.
+ // Define a weak references.
private WeakReference<Context> contextWeakReference;
private WeakReference<Activity> activityWeakReference;
// Write the contents of the conversion buffer to the output stream.
outputStream.write(conversionBufferByteArray, 0, bufferLength);
- // Increment the downloaded kilobytes counter.
- downloadedKilobytesCounter++;
-
// Update the file download progress snackbar.
if (fileSize == -1) { // The file size is unknown.
- // Convert the downloaded kilobytes counter to a negative number
- long downloadedKilobytes = 0 - downloadedKilobytesCounter;
+ // Negatively update the downloaded kilobytes counter.
+ downloadedKilobytesCounter = downloadedKilobytesCounter - bufferLength;
- publishProgress(downloadedKilobytes);
+ publishProgress(downloadedKilobytesCounter);
} else { // The file size is known.
+ // Update the downloaded kilobytes counter.
+ downloadedKilobytesCounter = downloadedKilobytesCounter + bufferLength;
+
// Calculate the download percentage.
- long downloadPercentage = (downloadedKilobytesCounter * 1024 * 100) / fileSize;
+ long downloadPercentage = (downloadedKilobytesCounter * 100) / fileSize;
// Update the download percentage.
publishProgress(downloadPercentage);
// Close the output stream.
outputStream.close();
- // Define a media scanner intent, which adds items like pictures to Android's recent file list.
+ // Create a media scanner intent, which adds items like pictures to Android's recent file list.
Intent mediaScannerIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
// Add the URI to the media scanner intent.
// Disconnect the HTTP URL connection.
httpUrlConnection.disconnect();
}
- } catch (IOException exception) {
+ } catch (Exception exception) {
// Store the error in the save disposition string.
saveDisposition = exception.toString();
}
// Check to see if a download percentage has been calculated.
if (downloadPercentage[0] < 0) { // There is no download percentage. The negative number represents the raw downloaded kilobytes.
- // Calculate the number of bytes downloaded.
- long numberOfBytesDownloaded = (0 - downloadPercentage[0]) * 1024;
+ // Calculate the number of bytes downloaded. When the `downloadPercentage` is negative, it is actually the raw number of kilobytes downloaded.
+ long numberOfBytesDownloaded = - downloadPercentage[0];
// Format the number of bytes downloaded.
String formattedNumberOfBytesDownloaded = NumberFormat.getInstance().format(numberOfBytesDownloaded);
// Add an open action if the file is not an APK on API >= 26 (that scenario requires the REQUEST_INSTALL_PACKAGES permission).
if (!(Build.VERSION.SDK_INT >= 26 && filePathString.endsWith(".apk"))) {
- fileSavedSnackbar.setAction(R.string.open, (View v) -> {
+ fileSavedSnackbar.setAction(R.string.open, (View view) -> {
// Get a file for the file path string.
File file = new File(filePathString);
+ // Declare a file URI variable.
+ Uri fileUri;
+
+ // Get the URI for the file according to the Android version.
+ if (Build.VERSION.SDK_INT >= 24) { // Use a file provider.
+ fileUri = FileProvider.getUriForFile(context, activity.getString(R.string.file_provider), file);
+ } else { // Get the raw file path URI.
+ fileUri = Uri.fromFile(file);
+ }
+
+ // Get a handle for the content resolver.
+ ContentResolver contentResolver = context.getContentResolver();
+
// Create an open intent with `ACTION_VIEW`.
Intent openIntent = new Intent(Intent.ACTION_VIEW);
- // Set the URI but not the MIME type. This should open all available apps.
- openIntent.setData(FileProvider.getUriForFile(context, activity.getString(R.string.file_provider), file));
+ // Set the URI and the MIME type.
+ if (filePathString.endsWith("apk") || filePathString.endsWith("APK")) { // Force detection of APKs.
+ openIntent.setDataAndType(fileUri, MimeTypeMap.getSingleton().getMimeTypeFromExtension("apk"));
+ } else { // Autodetect the MIME type.
+ openIntent.setDataAndType(fileUri, contentResolver.getType(fileUri));
+ }
// Allow the app to read the file URI.
openIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
- // Try the intent.
- try {
- // Show the chooser.
- activity.startActivity(openIntent);
- } catch (ActivityNotFoundException exception) { // There are no apps available to open the URL.
- // Show a snackbar with the error.
- Snackbar.make(noSwipeViewPager, activity.getString(R.string.error) + " " + exception, Snackbar.LENGTH_INDEFINITE).show();
- }
+ // Show the chooser.
+ activity.startActivity(Intent.createChooser(openIntent, context.getString(R.string.open)));
});
}