More fixes

.idea/misc.xml

@@ -30,7 +30,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/src/main/AndroidManifest.xml

@@ -31,6 +31,7 @@
 
         <activity
             android:name=".ActivityMain"
+            android:excludeFromRecents="true"
             android:launchMode="singleInstance"
             android:theme="@style/Theme.Transparent">
             <intent-filter>

app/src/main/java/eu/faircode/email/SearchDataSource.java

@@ -11,6 +11,7 @@ import android.widget.Toast;
 import com.sun.mail.imap.IMAPFolder;
 import com.sun.mail.imap.IMAPStore;
 
+import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.util.ArrayList;
 import java.util.List;
@@ -109,7 +110,7 @@ public class SearchDataSource extends PositionalDataSource<TupleMessageEx> imple
         }
     }
 
-    private SearchResult search(String term, int from, int count) throws MessagingException, UnsupportedEncodingException {
+    private SearchResult search(String term, int from, int count) throws MessagingException, IOException {
         Log.i(Helper.TAG, "SDS search from=" + from + " count=" + count);
 
         if (istore == null) {