add icons for progress tiles

app/src/main/java/org/schabi/newpipe/download/MainActivity.java

@@ -97,6 +97,7 @@ public class MainActivity extends AppCompatActivity implements AdapterView.OnIte
 
         try {
             //noinspection ConstantConditions
+            
             getSupportActionBar().setDisplayHomeAsUpEnabled(true);
         } catch(Exception e) {
             Log.d(TAG, "Could not get SupportActionBar");

app/src/main/java/us/shandian/giga/ui/adapter/MissionAdapter.java

@@ -95,7 +95,7 @@ public class MissionAdapter extends RecyclerView.Adapter<MissionAdapter.ViewHold
 		
 		Utility.FileType type = Utility.getFileType(ms.name);
 		
-		//h.icon.setImageResource(Utility.getIconForFileType(type));
+		h.icon.setImageResource(Utility.getIconForFileType(type));
 		h.name.setText(ms.name);
 		h.size.setText(Utility.formatBytes(ms.length));
 		

app/src/main/java/us/shandian/giga/util/Utility.java

@@ -196,6 +196,17 @@ public class Utility
 		}
 	}
 
+	public static int getIconForFileType(FileType type) {
+		switch(type) {
+			case MUSIC:
+				return R.drawable.music;
+			case VIDEO:
+				return R.drawable.video;
+			default:
+				return R.drawable.video;
+		}
+	}
+
 	public static boolean isDirectoryAvailble(String path) {
 		File dir = new File(path);
 		return dir.exists() && dir.isDirectory();
@@ -214,14 +225,6 @@ public class Utility
 		activity.startActivityForResult(i, 233);
 	}
 	
-	public static void checkAndReshow(Activity activity){
-		if (!isDownloadDirectoryAvailble(activity)){
-			Toast.makeText(activity.getApplicationContext(),
-				R.string.no_available_dir, Toast.LENGTH_LONG).show();
-			showDirectoryChooser(activity);
-		}
-	}
-	
 	public static void copyToClipboard(Context context, String str) {
 		ClipboardManager cm = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
 		cm.setPrimaryClip(ClipData.newPlainText("text", str));