Refactor media download feature extracting to dedicated class.

6 files changed, 94 insertions, 190 deletions

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageOrGifActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageOrGifActivity.java
index 62c7726d..e332afda 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageOrGifActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageOrGifActivity.java
@@ -1,7 +1,6 @@
 package ml.docilealligator.infinityforreddit.Activity;
 
 import android.Manifest;
-import android.app.DownloadManager;
 import android.app.WallpaperManager;
 import android.content.Context;
 import android.content.Intent;
@@ -15,7 +14,6 @@ import android.media.ThumbnailUtils;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Environment;
 import android.text.Html;
 import android.util.DisplayMetrics;
 import android.view.Menu;
@@ -65,6 +63,8 @@ import ml.docilealligator.infinityforreddit.Font.FontStyle;
 import ml.docilealligator.infinityforreddit.Font.TitleFontFamily;
 import ml.docilealligator.infinityforreddit.Font.TitleFontStyle;
 import ml.docilealligator.infinityforreddit.Infinity;
+import ml.docilealligator.infinityforreddit.MediaDownloader;
+import ml.docilealligator.infinityforreddit.MediaDownloaderImpl;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.SetAsWallpaperCallback;
 import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils;
@@ -90,6 +90,7 @@ public class ViewImageOrGifActivity extends AppCompatActivity implements SetAsWa
     @Inject
     @Named("default")
     SharedPreferences mSharedPreferences;
+    private MediaDownloader mediaDownloader;
     private boolean isActionBarHidden = false;
     private boolean isDownloading = false;
     private RequestManager glide;
@@ -134,6 +135,8 @@ public class ViewImageOrGifActivity extends AppCompatActivity implements SetAsWa
 
         mHaulerView.setOnDragDismissedListener(dragDirection -> finish());
 
+        mediaDownloader = new MediaDownloaderImpl();
+
         glide = Glide.with(this);
 
         Intent intent = getIntent();
@@ -231,10 +234,10 @@ public class ViewImageOrGifActivity extends AppCompatActivity implements SetAsWa
                                 PERMISSION_REQUEST_WRITE_EXTERNAL_STORAGE);
                     } else {
                         // Permission has already been granted
-                        download(mImageUrl, mImageFileName);
+                        mediaDownloader.download(mImageUrl, mImageFileName, this);
                     }
                 } else {
-                    download(mImageUrl, mImageFileName);
+                    mediaDownloader.download(mImageUrl, mImageFileName, this);
                 }
 
                 return true;
@@ -345,56 +348,12 @@ public class ViewImageOrGifActivity extends AppCompatActivity implements SetAsWa
             if (grantResults[0] == PackageManager.PERMISSION_DENIED) {
                 Toast.makeText(this, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
             } else if (grantResults[0] == PackageManager.PERMISSION_GRANTED && isDownloading) {
-                download(mImageUrl, mImageFileName);
+                mediaDownloader.download(mImageUrl, mImageFileName, this);
             }
             isDownloading = false;
         }
     }
 
-    void download(String mImageUrl, String mImageFileName) {
-        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(mImageUrl));
-        request.setTitle(mImageFileName);
-
-        request.allowScanningByMediaScanner();
-        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
-
-        //Android Q support
-        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-            request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES, mImageFileName);
-        } else {
-            String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).toString();
-            File directory = new File(path + "/Infinity/");
-            boolean saveToInfinityFolder = true;
-            if (!directory.exists()) {
-                if (!directory.mkdir()) {
-                    saveToInfinityFolder = false;
-                }
-            } else {
-                if (directory.isFile()) {
-                    if (!(directory.delete() && directory.mkdir())) {
-                        saveToInfinityFolder = false;
-                    }
-                }
-            }
-
-            if (saveToInfinityFolder) {
-                request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES + "/Infinity/", mImageFileName);
-            } else {
-                request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES, mImageFileName);
-            }
-        }
-
-        DownloadManager manager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
-
-        if (manager == null) {
-            Toast.makeText(this, R.string.download_failed, Toast.LENGTH_SHORT).show();
-            return;
-        }
-
-        manager.enqueue(request);
-        Toast.makeText(this, R.string.download_started, Toast.LENGTH_SHORT).show();
-    }
-
     private void setAsWallpaper(int setTo) {
         Toast.makeText(ViewImageOrGifActivity.this, R.string.save_image_first, Toast.LENGTH_SHORT).show();
         glide.asBitmap().load(mImageUrl).into(new CustomTarget<Bitmap>() {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java
index 1bccf67b..5bb95350 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java
@@ -1,8 +1,6 @@
 package ml.docilealligator.infinityforreddit.Activity;
 
 import android.Manifest;
-import android.app.DownloadManager;
-import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
@@ -13,7 +11,6 @@ import android.media.AudioManager;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Environment;
 import android.text.Html;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -49,8 +46,6 @@ import com.google.android.exoplayer2.upstream.DefaultHttpDataSourceFactory;
 import com.google.android.exoplayer2.util.Util;
 import com.thefuntasty.hauler.HaulerView;
 
-import java.io.File;
-
 import javax.inject.Inject;
 import javax.inject.Named;
 
@@ -61,6 +56,8 @@ import ml.docilealligator.infinityforreddit.Font.ContentFontFamily;
 import ml.docilealligator.infinityforreddit.Font.FontFamily;
 import ml.docilealligator.infinityforreddit.Font.TitleFontFamily;
 import ml.docilealligator.infinityforreddit.Infinity;
+import ml.docilealligator.infinityforreddit.MediaDownloader;
+import ml.docilealligator.infinityforreddit.MediaDownloaderImpl;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.Service.DownloadRedditVideoService;
 import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils;
@@ -95,6 +92,7 @@ public class ViewVideoActivity extends AppCompatActivity {
     private Uri mVideoUri;
     private SimpleExoPlayer player;
     private DataSource.Factory dataSourceFactory;
+    private MediaDownloader mediaDownloader;
 
     private String videoDownloadUrl;
     private String videoFileName;
@@ -162,6 +160,8 @@ public class ViewVideoActivity extends AppCompatActivity {
 
         haulerView.setOnDragDismissedListener(dragDirection -> finish());
 
+        mediaDownloader = new MediaDownloaderImpl();
+
         Intent intent = getIntent();
         mVideoUri = intent.getData();
         postTitle = intent.getStringExtra(EXTRA_POST_TITLE);
@@ -407,46 +407,7 @@ public class ViewVideoActivity extends AppCompatActivity {
         isDownloading = false;
 
         if (videoType != VIDEO_TYPE_NORMAL) {
-            DownloadManager.Request request = new DownloadManager.Request(Uri.parse(videoDownloadUrl));
-            request.setTitle(videoFileName);
-
-            request.allowScanningByMediaScanner();
-            request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
-
-            //Android Q support
-            if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-                request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES, videoFileName);
-            } else {
-                String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).toString();
-                File directory = new File(path + "/Infinity/");
-                boolean saveToInfinityFolder = true;
-                if (!directory.exists()) {
-                    if (!directory.mkdir()) {
-                        saveToInfinityFolder = false;
-                    }
-                } else {
-                    if (directory.isFile()) {
-                        if (!(directory.delete() && directory.mkdir())) {
-                            saveToInfinityFolder = false;
-                        }
-                    }
-                }
-
-                if (saveToInfinityFolder) {
-                    request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES + "/Infinity/", videoFileName);
-                } else {
-                    request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES, videoFileName);
-                }
-            }
-
-            DownloadManager manager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
-
-            if (manager == null) {
-                Toast.makeText(this, R.string.download_failed, Toast.LENGTH_SHORT).show();
-                return;
-            }
-
-            manager.enqueue(request);
+            mediaDownloader.download(videoDownloadUrl, videoFileName, this);
         } else {
             Intent intent = new Intent(this, DownloadRedditVideoService.class);
             intent.putExtra(DownloadRedditVideoService.EXTRA_VIDEO_URL, videoDownloadUrl);
@@ -458,8 +419,8 @@ public class ViewVideoActivity extends AppCompatActivity {
             } else {
                 startService(intent);
             }
+            Toast.makeText(this, R.string.download_started, Toast.LENGTH_SHORT).show();
         }
-        Toast.makeText(this, R.string.download_started, Toast.LENGTH_SHORT).show();
     }
 
     @Override
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/ViewImgurImageFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/ViewImgurImageFragment.java
index 99ebd248..90fc231e 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/ViewImgurImageFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/ViewImgurImageFragment.java
@@ -1,7 +1,6 @@
 package ml.docilealligator.infinityforreddit.Fragment;
 
 import android.Manifest;
-import android.app.DownloadManager;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
@@ -10,7 +9,6 @@ import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Environment;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -47,6 +45,8 @@ import ml.docilealligator.infinityforreddit.AsyncTask.SaveImageToFileAsyncTask;
 import ml.docilealligator.infinityforreddit.BottomSheetFragment.SetAsWallpaperBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.BuildConfig;
 import ml.docilealligator.infinityforreddit.ImgurMedia;
+import ml.docilealligator.infinityforreddit.MediaDownloader;
+import ml.docilealligator.infinityforreddit.MediaDownloaderImpl;
 import ml.docilealligator.infinityforreddit.R;
 
 public class ViewImgurImageFragment extends Fragment {
@@ -63,6 +63,7 @@ public class ViewImgurImageFragment extends Fragment {
 
     private ViewImgurMediaActivity activity;
     private RequestManager glide;
+    private MediaDownloader mediaDownloader;
     private ImgurMedia imgurMedia;
     private boolean isDownloading = false;
 
@@ -81,6 +82,7 @@ public class ViewImgurImageFragment extends Fragment {
 
         imgurMedia = getArguments().getParcelable(EXTRA_IMGUR_IMAGES);
         glide = Glide.with(activity);
+        mediaDownloader = new MediaDownloaderImpl();
         loadImage();
 
         return rootView;
@@ -131,10 +133,10 @@ public class ViewImgurImageFragment extends Fragment {
                                 PERMISSION_REQUEST_WRITE_EXTERNAL_STORAGE);
                     } else {
                         // Permission has already been granted
-                        download();
+                        mediaDownloader.download(imgurMedia.getLink(), imgurMedia.getFileName(), getContext());
                     }
                 } else {
-                    download();
+                    mediaDownloader.download(imgurMedia.getLink(), imgurMedia.getFileName(), getContext());
                 }
 
                 return true;
@@ -151,7 +153,7 @@ public class ViewImgurImageFragment extends Fragment {
                                         @Override
                                         public void saveSuccess(File imageFile) {
                                             Uri uri = FileProvider.getUriForFile(activity,
-                                                    BuildConfig.APPLICATION_ID + ".provider",imageFile);
+                                                    BuildConfig.APPLICATION_ID + ".provider", imageFile);
                                             Intent shareIntent = new Intent();
                                             shareIntent.setAction(Intent.ACTION_SEND);
                                             shareIntent.putExtra(Intent.EXTRA_STREAM, uri);
@@ -200,56 +202,12 @@ public class ViewImgurImageFragment extends Fragment {
             if (grantResults[0] == PackageManager.PERMISSION_DENIED) {
                 Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
             } else if (grantResults[0] == PackageManager.PERMISSION_GRANTED && isDownloading) {
-                download();
+                mediaDownloader.download(imgurMedia.getLink(), imgurMedia.getFileName(), getContext());
             }
             isDownloading = false;
         }
     }
 
-    private void download() {
-        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(imgurMedia.getLink()));
-        request.setTitle(imgurMedia.getFileName());
-
-        request.allowScanningByMediaScanner();
-        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
-
-        //Android Q support
-        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-            request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES, imgurMedia.getFileName());
-        } else {
-            String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).toString();
-            File directory = new File(path + "/Infinity/");
-            boolean saveToInfinityFolder = true;
-            if (!directory.exists()) {
-                if (!directory.mkdir()) {
-                    saveToInfinityFolder = false;
-                }
-            } else {
-                if (directory.isFile()) {
-                    if (!(directory.delete() && directory.mkdir())) {
-                        saveToInfinityFolder = false;
-                    }
-                }
-            }
-
-            if (saveToInfinityFolder) {
-                request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES + "/Infinity/", imgurMedia.getFileName());
-            } else {
-                request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES, imgurMedia.getFileName());
-            }
-        }
-
-        DownloadManager manager = (DownloadManager) activity.getSystemService(Context.DOWNLOAD_SERVICE);
-
-        if (manager == null) {
-            Toast.makeText(activity, R.string.download_failed, Toast.LENGTH_SHORT).show();
-            return;
-        }
-
-        manager.enqueue(request);
-        Toast.makeText(activity, R.string.download_started, Toast.LENGTH_SHORT).show();
-    }
-
     @Override
     public void onAttach(@NonNull Context context) {
         super.onAttach(context);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/ViewImgurVideoFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/ViewImgurVideoFragment.java
index 3ec6eb39..dd3853d0 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/ViewImgurVideoFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/ViewImgurVideoFragment.java
@@ -2,7 +2,6 @@ package ml.docilealligator.infinityforreddit.Fragment;
 
 import android.Manifest;
 import android.app.Activity;
-import android.app.DownloadManager;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
@@ -11,7 +10,6 @@ import android.media.AudioManager;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Environment;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -42,8 +40,6 @@ import com.google.android.exoplayer2.upstream.DataSource;
 import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
 import com.google.android.exoplayer2.util.Util;
 
-import java.io.File;
-
 import javax.inject.Inject;
 import javax.inject.Named;
 
@@ -51,6 +47,8 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 import ml.docilealligator.infinityforreddit.ImgurMedia;
 import ml.docilealligator.infinityforreddit.Infinity;
+import ml.docilealligator.infinityforreddit.MediaDownloader;
+import ml.docilealligator.infinityforreddit.MediaDownloaderImpl;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils;
 
@@ -71,6 +69,7 @@ public class ViewImgurVideoFragment extends Fragment {
     private ImgurMedia imgurMedia;
     private SimpleExoPlayer player;
     private DataSource.Factory dataSourceFactory;
+    private MediaDownloader mediaDownloader;
     private boolean wasPlaying = false;
     private boolean isMute = false;
     private boolean isDownloading = false;
@@ -131,6 +130,8 @@ public class ViewImgurVideoFragment extends Fragment {
             }
         });
 
+        mediaDownloader = new MediaDownloaderImpl();
+
         TrackSelection.Factory videoTrackSelectionFactory = new AdaptiveTrackSelection.Factory();
         TrackSelector trackSelector = new DefaultTrackSelector(videoTrackSelectionFactory);
         player = ExoPlayerFactory.newSimpleInstance(activity, trackSelector);
@@ -190,47 +191,7 @@ public class ViewImgurVideoFragment extends Fragment {
     private void download() {
         isDownloading = false;
 
-        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(imgurMedia.getLink()));
-        request.setTitle(imgurMedia.getFileName());
-
-        request.allowScanningByMediaScanner();
-        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
-
-        //Android Q support
-        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-            request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES, imgurMedia.getFileName());
-        } else {
-            String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).toString();
-            File directory = new File(path + "/Infinity/");
-            boolean saveToInfinityFolder = true;
-            if (!directory.exists()) {
-                if (!directory.mkdir()) {
-                    saveToInfinityFolder = false;
-                }
-            } else {
-                if (directory.isFile()) {
-                    if (!(directory.delete() && directory.mkdir())) {
-                        saveToInfinityFolder = false;
-                    }
-                }
-            }
-
-            if (saveToInfinityFolder) {
-                request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES + "/Infinity/", imgurMedia.getFileName());
-            } else {
-                request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES, imgurMedia.getFileName());
-            }
-        }
-
-        DownloadManager manager = (DownloadManager) activity.getSystemService(Context.DOWNLOAD_SERVICE);
-
-        if (manager == null) {
-            Toast.makeText(activity, R.string.download_failed, Toast.LENGTH_SHORT).show();
-            return;
-        }
-
-        manager.enqueue(request);
-        Toast.makeText(activity, R.string.download_started, Toast.LENGTH_SHORT).show();
+        mediaDownloader.download(imgurMedia.getLink(), imgurMedia.getFileName(), getContext());
     }
 
     private void preparePlayer(Bundle savedInstanceState) {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/MediaDownloader.java b/app/src/main/java/ml/docilealligator/infinityforreddit/MediaDownloader.java
new file mode 100644
index 00000000..9967a6a4
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/MediaDownloader.java
@@ -0,0 +1,7 @@
+package ml.docilealligator.infinityforreddit;
+
+import android.content.Context;
+
+public interface MediaDownloader {
+    void download(String url, String fileName, Context ctx);
+}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/MediaDownloaderImpl.java b/app/src/main/java/ml/docilealligator/infinityforreddit/MediaDownloaderImpl.java
new file mode 100644
index 00000000..638bdf93
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/MediaDownloaderImpl.java
@@ -0,0 +1,58 @@
+package ml.docilealligator.infinityforreddit;
+
+import android.app.DownloadManager;
+import android.content.Context;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Environment;
+import android.widget.Toast;
+
+import java.io.File;
+
+public class MediaDownloaderImpl implements MediaDownloader {
+
+    @Override
+    public void download(String url, String fileName, Context ctx) {
+        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
+        request.setTitle(fileName);
+
+        request.allowScanningByMediaScanner();
+        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
+
+        //Android Q support
+        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES, fileName);
+        } else {
+            String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).toString();
+            File directory = new File(path + "/Infinity/");
+            boolean saveToInfinityFolder = true;
+            if (!directory.exists()) {
+                if (!directory.mkdir()) {
+                    saveToInfinityFolder = false;
+                }
+            } else {
+                if (directory.isFile()) {
+                    if (!(directory.delete() && directory.mkdir())) {
+                        saveToInfinityFolder = false;
+                    }
+                }
+            }
+
+            if (saveToInfinityFolder) {
+                request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES + "/Infinity/", fileName);
+            } else {
+                request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES, fileName);
+            }
+        }
+
+        DownloadManager manager = (DownloadManager) ctx.getSystemService(Context.DOWNLOAD_SERVICE);
+
+        if (manager == null) {
+            Toast.makeText(ctx, R.string.download_failed, Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        manager.enqueue(request);
+        Toast.makeText(ctx, R.string.download_started, Toast.LENGTH_SHORT).show();
+    }
+}