Fix ActionBar Home button issues on 3.X-4.0.X

src/org/fdroid/fdroid/AppDetails.java

@@ -67,6 +67,8 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.BaseAdapter;
 
+import android.support.v4.app.NavUtils;
+
 import org.fdroid.fdroid.compat.PackageManagerCompat;
 
 import com.nostra13.universalimageloader.core.ImageLoader;
@@ -724,6 +726,10 @@ public class AppDetails extends ListActivity {
 
         switch (item.getItemId()) {
 
+        case android.R.id.home:
+            NavUtils.navigateUpFromSameTask(this);
+            return true;
+
         case LAUNCH:
             launchApk(app.id);
             return true;

src/org/fdroid/fdroid/ManageRepo.java

@@ -47,6 +47,10 @@ import android.widget.ListView;
 import android.widget.SimpleAdapter;
 import android.widget.TextView;
 
+import android.support.v4.app.NavUtils;
+
+import org.fdroid.fdroid.compat.ActionBarCompat;
+
 public class ManageRepo extends ListActivity {
 
     private final int ADD_REPO = 1;
@@ -78,6 +82,9 @@ public class ManageRepo extends ListActivity {
     protected void onCreate(Bundle savedInstanceState) {
 
         super.onCreate(savedInstanceState);
+        ActionBarCompat abCompat = ActionBarCompat.create(this);
+        abCompat.setDisplayHomeAsUpEnabled(true);
+
         setContentView(R.layout.repolist);
 
         SharedPreferences prefs = PreferenceManager
@@ -192,6 +199,16 @@ public class ManageRepo extends ListActivity {
         }
     }
 
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                NavUtils.navigateUpFromSameTask(this);
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
     @Override
     public boolean onMenuItemSelected(int featureId, MenuItem item) {
 

src/org/fdroid/fdroid/PreferencesActivity.java

@@ -23,6 +23,10 @@ import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.PreferenceActivity;
 import android.preference.Preference.OnPreferenceClickListener;
+import android.view.MenuItem;
+
+import android.support.v4.app.NavUtils;
+
 import org.fdroid.fdroid.compat.ActionBarCompat;
 
 public class PreferencesActivity extends PreferenceActivity implements
@@ -41,6 +45,16 @@ public class PreferencesActivity extends PreferenceActivity implements
         //}
     }
 
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                NavUtils.navigateUpFromSameTask(this);
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
     @Override
     public boolean onPreferenceClick(Preference preference) {
         // Currently no actions are returned

src/org/fdroid/fdroid/SearchResults.java

@@ -34,6 +34,9 @@ import android.view.MenuItem;
 import android.view.View;
 import android.widget.ListView;
 import android.widget.TextView;
+
+import android.support.v4.app.NavUtils;
+
 import org.fdroid.fdroid.compat.ActionBarCompat;
 import org.fdroid.fdroid.views.AppListAdapter;
 import org.fdroid.fdroid.views.AvailableAppListAdapter;
@@ -173,6 +176,10 @@ public class SearchResults extends ListActivity {
 
         switch (item.getItemId()) {
 
+        case android.R.id.home:
+            NavUtils.navigateUpFromSameTask(this);
+            return true;
+
         case SEARCH:
             onSearchRequested();
             return true;