Fix for #1182 on Android 5

res/values/strings.xml

@@ -74,6 +74,7 @@
     <string name="file_list_seconds_ago">seconds ago</string>
     <string name="file_list_empty">Nothing in here. Upload something!</string>
     <string name="file_list_loading">Loading&#8230;</string>
+    <string name="file_list_no_app_for_file_type">No App found for file type!</string>
     <string name="local_file_list_empty">There are no files in this folder.</string>
     <string name="filedetails_select_file">Tap on a file to display additional information.</string>
     <string name="filedetails_size">Size:</string>

src/com/owncloud/android/files/FileOperationsHelper.java

@@ -22,7 +22,10 @@
 package com.owncloud.android.files;
 
 import android.accounts.Account;
+import android.content.ActivityNotFoundException;
 import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.support.v4.app.DialogFragment;
 import android.webkit.MimeTypeMap;
@@ -43,6 +46,8 @@ import com.owncloud.android.ui.dialog.ShareLinkToDialog;
 
 import org.apache.http.protocol.HTTP;
 
+import java.util.List;
+
 /**
  *
  */
@@ -88,13 +93,28 @@ public class FileOperationsHelper {
             }
             
             Intent chooserIntent;
+            List<ResolveInfo> launchables;
             if (intentForGuessedMimeType != null) {
                 chooserIntent = Intent.createChooser(intentForGuessedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
+                launchables = mFileActivity.getPackageManager().queryIntentActivities(intentForGuessedMimeType, PackageManager.GET_INTENT_FILTERS);
             } else {
                 chooserIntent = Intent.createChooser(intentForSavedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
+                launchables = mFileActivity.getPackageManager().queryIntentActivities(intentForSavedMimeType, PackageManager.GET_INTENT_FILTERS);
             }
 
-            mFileActivity.startActivity(chooserIntent);
+            if(launchables != null && launchables.size() > 0) {
+                try {
+                    mFileActivity.startActivity(chooserIntent);
+                } catch (ActivityNotFoundException anfe) {
+                    Toast.makeText(mFileActivity.getApplicationContext(),
+                            R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
+                            .show();
+                }
+            } else {
+                Toast.makeText(mFileActivity.getApplicationContext(),
+                        R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
+                        .show();
+            }
 
         } else {
             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");