diff --git a/src/org/fdroid/fdroid/installer/DefaultInstaller.java b/src/org/fdroid/fdroid/installer/DefaultInstaller.java
index c43d15cae..31d288f64 100644
--- a/src/org/fdroid/fdroid/installer/DefaultInstaller.java
+++ b/src/org/fdroid/fdroid/installer/DefaultInstaller.java
@@ -20,6 +20,7 @@
 package org.fdroid.fdroid.installer;
 
 import java.io.File;
+import java.util.List;
 
 import android.app.Activity;
 import android.content.ActivityNotFoundException;
@@ -49,9 +50,7 @@ public class DefaultInstaller extends Installer {
     private static final int REQUEST_CODE_DELETE = 1;
 
     @Override
-    public void installPackage(File apkFile) throws AndroidNotCompatibleException {
-        super.installPackage(apkFile);
-
+    public void installPackageInternal(File apkFile) throws AndroidNotCompatibleException {
         Intent intent = new Intent();
         intent.setAction(Intent.ACTION_VIEW);
         intent.setDataAndType(Uri.fromFile(apkFile),
@@ -64,9 +63,7 @@ public class DefaultInstaller extends Installer {
     }
 
     @Override
-    public void deletePackage(String packageName) throws AndroidNotCompatibleException {
-        super.deletePackage(packageName);
-
+    public void deletePackageInternal(String packageName) throws AndroidNotCompatibleException {
         PackageInfo pkgInfo = null;
         try {
             pkgInfo = mPm.getPackageInfo(packageName, 0);
@@ -109,4 +106,10 @@ public class DefaultInstaller extends Installer {
         return false;
     }
 
+    @Override
+    protected void installPackageInternal(List<File> apkFiles) throws AndroidNotCompatibleException {
+        // TODO Auto-generated method stub
+
+    }
+
 }
diff --git a/src/org/fdroid/fdroid/installer/DefaultInstallerSdk14.java b/src/org/fdroid/fdroid/installer/DefaultInstallerSdk14.java
index e08157037..d5761725b 100644
--- a/src/org/fdroid/fdroid/installer/DefaultInstallerSdk14.java
+++ b/src/org/fdroid/fdroid/installer/DefaultInstallerSdk14.java
@@ -20,6 +20,7 @@
 package org.fdroid.fdroid.installer;
 
 import java.io.File;
+import java.util.List;
 
 import android.annotation.TargetApi;
 import android.app.Activity;
@@ -53,9 +54,7 @@ public class DefaultInstallerSdk14 extends Installer {
 
     @SuppressWarnings("deprecation")
     @Override
-    public void installPackage(File apkFile) throws AndroidNotCompatibleException {
-        super.installPackage(apkFile);
-
+    public void installPackageInternal(File apkFile) throws AndroidNotCompatibleException {
         Intent intent = new Intent();
         intent.setAction(Intent.ACTION_INSTALL_PACKAGE);
         intent.setData(Uri.fromFile(apkFile));
@@ -76,9 +75,7 @@ public class DefaultInstallerSdk14 extends Installer {
     }
 
     @Override
-    public void deletePackage(String packageName) throws AndroidNotCompatibleException {
-        super.deletePackage(packageName);
-
+    public void deletePackageInternal(String packageName) throws AndroidNotCompatibleException {
         PackageInfo pkgInfo = null;
         try {
             pkgInfo = mPm.getPackageInfo(packageName, 0);
@@ -138,4 +135,10 @@ public class DefaultInstallerSdk14 extends Installer {
         return false;
     }
 
+    @Override
+    protected void installPackageInternal(List<File> apkFiles) throws AndroidNotCompatibleException {
+        // TODO Auto-generated method stub
+        
+    }
+
 }
diff --git a/src/org/fdroid/fdroid/installer/Installer.java b/src/org/fdroid/fdroid/installer/Installer.java
index f2e185376..d09b88380 100644
--- a/src/org/fdroid/fdroid/installer/Installer.java
+++ b/src/org/fdroid/fdroid/installer/Installer.java
@@ -77,7 +77,7 @@ abstract public class Installer {
 
         public static final int OPERATION_INSTALL = 1;
         public static final int OPERATION_DELETE = 2;
-        
+
         public static final int ERROR_CODE_CANCELED = 1;
         public static final int ERROR_CODE_OTHER = 2;
 
@@ -199,7 +199,7 @@ abstract public class Installer {
             return;
         }
 
-        // extended class now actually installs the package
+        installPackageInternal(apkFile);
     }
 
     public void installPackage(List<File> apkFiles) throws AndroidNotCompatibleException {
@@ -211,7 +211,7 @@ abstract public class Installer {
             }
         }
 
-        // extended class now actually installs the package
+        installPackageInternal(apkFiles);
     }
 
     public void deletePackage(String packageName) throws AndroidNotCompatibleException {
@@ -223,9 +223,18 @@ abstract public class Installer {
             return;
         }
 
-        // extended class now actually deletes the package
+        deletePackageInternal(packageName);
     }
 
+    protected abstract void installPackageInternal(File apkFile)
+            throws AndroidNotCompatibleException;
+
+    protected abstract void installPackageInternal(List<File> apkFiles)
+            throws AndroidNotCompatibleException;
+
+    protected abstract void deletePackageInternal(String packageName)
+            throws AndroidNotCompatibleException;
+
     public abstract boolean handleOnActivityResult(int requestCode, int resultCode, Intent data);
 
     public abstract boolean supportsUnattendedOperations();
diff --git a/src/org/fdroid/fdroid/installer/RootInstaller.java b/src/org/fdroid/fdroid/installer/RootInstaller.java
index cea4858b3..0d7a6bfdc 100644
--- a/src/org/fdroid/fdroid/installer/RootInstaller.java
+++ b/src/org/fdroid/fdroid/installer/RootInstaller.java
@@ -52,9 +52,7 @@ public class RootInstaller extends Installer {
     }
 
     @Override
-    public void installPackage(final File apkFile) throws AndroidNotCompatibleException {
-        super.installPackage(apkFile);
-
+    public void installPackageInternal(final File apkFile) throws AndroidNotCompatibleException {
         rootSession = createShellBuilder().open(new Shell.OnCommandResultListener() {
 
             // Callback to report whether the shell was successfully
@@ -77,9 +75,7 @@ public class RootInstaller extends Installer {
     }
 
     @Override
-    public void installPackage(final List<File> apkFiles) throws AndroidNotCompatibleException {
-        super.installPackage(apkFiles);
-
+    public void installPackageInternal(final List<File> apkFiles) throws AndroidNotCompatibleException {
         rootSession = createShellBuilder().open(new Shell.OnCommandResultListener() {
 
             // Callback to report whether the shell was successfully
@@ -102,9 +98,7 @@ public class RootInstaller extends Installer {
     }
 
     @Override
-    public void deletePackage(final String packageName) throws AndroidNotCompatibleException {
-        super.deletePackage(packageName);
-
+    public void deletePackageInternal(final String packageName) throws AndroidNotCompatibleException {
         rootSession = createShellBuilder().open(new Shell.OnCommandResultListener() {
 
             // Callback to report whether the shell was successfully
diff --git a/src/org/fdroid/fdroid/installer/SystemPermissionInstaller.java b/src/org/fdroid/fdroid/installer/SystemPermissionInstaller.java
index 708a6caaa..6dad5a78e 100644
--- a/src/org/fdroid/fdroid/installer/SystemPermissionInstaller.java
+++ b/src/org/fdroid/fdroid/installer/SystemPermissionInstaller.java
@@ -21,6 +21,7 @@ package org.fdroid.fdroid.installer;
 
 import java.io.File;
 import java.lang.reflect.Method;
+import java.util.List;
 
 import android.content.Context;
 import android.content.Intent;
@@ -124,9 +125,7 @@ public class SystemPermissionInstaller extends Installer {
     }
 
     @Override
-    public void installPackage(File apkFile) throws AndroidNotCompatibleException {
-        super.installPackage(apkFile);
-
+    public void installPackageInternal(File apkFile) throws AndroidNotCompatibleException {
         Uri packageURI = Uri.fromFile(apkFile);
         try {
             mInstallMethod.invoke(mPm, new Object[] {
@@ -138,9 +137,7 @@ public class SystemPermissionInstaller extends Installer {
     }
 
     @Override
-    public void deletePackage(String packageName) throws AndroidNotCompatibleException {
-        super.deletePackage(packageName);
-
+    public void deletePackageInternal(String packageName) throws AndroidNotCompatibleException {
         try {
             mDeleteMethod.invoke(mPm, new Object[] {
                     packageName, mDeleteObserver, 0
@@ -466,4 +463,10 @@ public class SystemPermissionInstaller extends Installer {
      * failed to delete the package since the user is restricted.
      */
     public static final int DELETE_FAILED_USER_RESTRICTED = -3;
+
+    @Override
+    protected void installPackageInternal(List<File> apkFiles) throws AndroidNotCompatibleException {
+        // TODO Auto-generated method stub
+
+    }
 }
diff --git a/src/org/fdroid/fdroid/views/fragments/CanUpdateAppsFragment.java b/src/org/fdroid/fdroid/views/fragments/CanUpdateAppsFragment.java
index 1b17e9534..0e28f3010 100644
--- a/src/org/fdroid/fdroid/views/fragments/CanUpdateAppsFragment.java
+++ b/src/org/fdroid/fdroid/views/fragments/CanUpdateAppsFragment.java
@@ -60,7 +60,7 @@ public class CanUpdateAppsFragment extends AppListFragment {
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
-
+        
         mUpdateAllButton.setOnClickListener(new OnClickListener() {
 
             @Override