diff --git a/app/src/main/java/org/fdroid/fdroid/AppDetails.java b/app/src/main/java/org/fdroid/fdroid/AppDetails.java
index 7c918e001..2397a5897 100644
--- a/app/src/main/java/org/fdroid/fdroid/AppDetails.java
+++ b/app/src/main/java/org/fdroid/fdroid/AppDetails.java
@@ -557,18 +557,16 @@ public class AppDetails extends AppCompatActivity {
         @Override
         public void onReceive(Context context, Intent intent) {
             switch (intent.getAction()) {
-                case Installer.ACTION_INSTALL_STARTED: {
+                case Installer.ACTION_INSTALL_STARTED:
                     headerFragment.startProgress();
                     headerFragment.showIndeterminateProgress(getString(R.string.installing));
                     break;
-                }
-                case Installer.ACTION_INSTALL_COMPLETE: {
+                case Installer.ACTION_INSTALL_COMPLETE:
                     headerFragment.removeProgress();
 
                     localBroadcastManager.unregisterReceiver(this);
                     break;
-                }
-                case Installer.ACTION_INSTALL_INTERRUPTED: {
+                case Installer.ACTION_INSTALL_INTERRUPTED:
                     headerFragment.removeProgress();
                     onAppChanged();
 
@@ -591,8 +589,7 @@ public class AppDetails extends AppCompatActivity {
 
                     localBroadcastManager.unregisterReceiver(this);
                     break;
-                }
-                case Installer.ACTION_INSTALL_USER_INTERACTION: {
+                case Installer.ACTION_INSTALL_USER_INTERACTION:
                     PendingIntent installPendingIntent =
                             intent.getParcelableExtra(Installer.EXTRA_USER_INTERACTION_PI);
 
@@ -603,10 +600,8 @@ public class AppDetails extends AppCompatActivity {
                     }
 
                     break;
-                }
-                default: {
+                default:
                     throw new RuntimeException("intent action not handled!");
-                }
             }
         }
     };
diff --git a/app/src/main/java/org/fdroid/fdroid/installer/DefaultInstallerActivity.java b/app/src/main/java/org/fdroid/fdroid/installer/DefaultInstallerActivity.java
index 487b6d299..0fd2bfa88 100644
--- a/app/src/main/java/org/fdroid/fdroid/installer/DefaultInstallerActivity.java
+++ b/app/src/main/java/org/fdroid/fdroid/installer/DefaultInstallerActivity.java
@@ -63,24 +63,17 @@ public class DefaultInstallerActivity extends FragmentActivity {
 
         Intent intent = getIntent();
         String action = intent.getAction();
-        switch (action) {
-            case ACTION_INSTALL_PACKAGE: {
-                installUri = intent.getData();
-                installOriginatingUri = intent.getParcelableExtra(EXTRA_ORIGINATING_URI);
+        if (ACTION_INSTALL_PACKAGE.equals(action)) {
+            installUri = intent.getData();
+            installOriginatingUri = intent.getParcelableExtra(EXTRA_ORIGINATING_URI);
 
-                installPackage(installUri, installOriginatingUri);
-                break;
-            }
+            installPackage(installUri, installOriginatingUri);
+        } else if (ACTION_UNINSTALL_PACKAGE.equals(action)) {
+            uninstallPackageName = intent.getStringExtra(EXTRA_UNINSTALL_PACKAGE_NAME);
 
-            case ACTION_UNINSTALL_PACKAGE: {
-                uninstallPackageName = intent.getStringExtra(EXTRA_UNINSTALL_PACKAGE_NAME);
-
-                uninstallPackage(uninstallPackageName);
-                break;
-            }
-            default: {
-                throw new IllegalStateException("Intent action not specified!");
-            }
+            uninstallPackage(uninstallPackageName);
+        } else {
+            throw new IllegalStateException("Intent action not specified!");
         }
     }
 
@@ -172,7 +165,7 @@ public class DefaultInstallerActivity extends FragmentActivity {
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         switch (requestCode) {
-            case REQUEST_CODE_INSTALL: {
+            case REQUEST_CODE_INSTALL:
                 /**
                  * resultCode is always 0 on Android < 4.0. See
                  * com.android.packageinstaller.PackageInstallerActivity: setResult is
@@ -192,29 +185,25 @@ public class DefaultInstallerActivity extends FragmentActivity {
                 }
 
                 switch (resultCode) {
-                    case Activity.RESULT_OK: {
+                    case Activity.RESULT_OK:
                         installer.sendBroadcastInstall(installUri, installOriginatingUri,
                                 Installer.ACTION_INSTALL_COMPLETE);
                         break;
-                    }
-                    case Activity.RESULT_CANCELED: {
+                    case Activity.RESULT_CANCELED:
                         installer.sendBroadcastInstall(installUri, installOriginatingUri,
                                 Installer.ACTION_INSTALL_INTERRUPTED);
                         break;
-                    }
                     case Activity.RESULT_FIRST_USER:
-                    default: {
+                    default:
                         // AOSP returns Activity.RESULT_FIRST_USER on error
                         installer.sendBroadcastInstall(installUri, installOriginatingUri,
                                 Installer.ACTION_INSTALL_INTERRUPTED,
                                 getString(R.string.install_error_unknown));
                         break;
-                    }
                 }
 
                 break;
-            }
-            case REQUEST_CODE_UNINSTALL: {
+            case REQUEST_CODE_UNINSTALL:
                 // resultCode is always 0 on Android < 4.0.
                 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
                     installer.sendBroadcastUninstall(uninstallPackageName,
@@ -223,31 +212,26 @@ public class DefaultInstallerActivity extends FragmentActivity {
                 }
 
                 switch (resultCode) {
-                    case Activity.RESULT_OK: {
+                    case Activity.RESULT_OK:
                         installer.sendBroadcastUninstall(uninstallPackageName,
                                 Installer.ACTION_UNINSTALL_COMPLETE);
                         break;
-                    }
-                    case Activity.RESULT_CANCELED: {
+                    case Activity.RESULT_CANCELED:
                         installer.sendBroadcastUninstall(uninstallPackageName,
                                 Installer.ACTION_UNINSTALL_INTERRUPTED);
                         break;
-                    }
                     case Activity.RESULT_FIRST_USER:
-                    default: {
+                    default:
                         // AOSP UninstallAppProgress returns RESULT_FIRST_USER on error
                         installer.sendBroadcastUninstall(uninstallPackageName,
                                 Installer.ACTION_UNINSTALL_INTERRUPTED,
                                 getString(R.string.uninstall_error_unknown));
                         break;
-                    }
                 }
 
                 break;
-            }
-            default: {
+            default:
                 throw new RuntimeException("Invalid request code!");
-            }
         }
 
         // after doing the broadcasts, finish this transparent wrapper activity
diff --git a/app/src/main/java/org/fdroid/fdroid/installer/InstallManagerService.java b/app/src/main/java/org/fdroid/fdroid/installer/InstallManagerService.java
index 41fee0a2d..ee7df07db 100644
--- a/app/src/main/java/org/fdroid/fdroid/installer/InstallManagerService.java
+++ b/app/src/main/java/org/fdroid/fdroid/installer/InstallManagerService.java
@@ -267,56 +267,45 @@ public class InstallManagerService extends Service {
         BroadcastReceiver installReceiver = new BroadcastReceiver() {
             @Override
             public void onReceive(Context context, Intent intent) {
-                switch (intent.getAction()) {
-                    case Installer.ACTION_INSTALL_STARTED: {
-                        break;
-                    }
-                    case Installer.ACTION_INSTALL_COMPLETE: {
-                        Uri originatingUri =
-                                intent.getParcelableExtra(Installer.EXTRA_ORIGINATING_URI);
-                        String urlString = originatingUri.toString();
-                        Apk apk = removeFromActive(urlString);
+                Uri originatingUri = intent.getParcelableExtra(Installer.EXTRA_ORIGINATING_URI);
 
-                        PackageManagerCompat.setInstaller(getPackageManager(), apk.packageName);
+                switch (intent.getAction()) {
+                    case Installer.ACTION_INSTALL_STARTED:
+                        // nothing to do
+                        break;
+                    case Installer.ACTION_INSTALL_COMPLETE:
+                        Apk apkComplete = removeFromActive(originatingUri.toString());
+
+                        PackageManagerCompat.setInstaller(getPackageManager(), apkComplete.packageName);
 
                         localBroadcastManager.unregisterReceiver(this);
                         break;
-                    }
-                    case Installer.ACTION_INSTALL_INTERRUPTED: {
-                        Uri originatingUri =
-                                intent.getParcelableExtra(Installer.EXTRA_ORIGINATING_URI);
-                        String urlString = originatingUri.toString();
+                    case Installer.ACTION_INSTALL_INTERRUPTED:
                         String errorMessage =
                                 intent.getStringExtra(Installer.EXTRA_ERROR_MESSAGE);
 
                         if (!TextUtils.isEmpty(errorMessage)) {
-                            App app = getAppFromActive(urlString);
-                            notifyError(app, urlString, errorMessage, false);
+                            App app = getAppFromActive(originatingUri.toString());
+                            notifyError(app, originatingUri.toString(), errorMessage, false);
                         }
 
                         localBroadcastManager.unregisterReceiver(this);
                         break;
-                    }
-                    case Installer.ACTION_INSTALL_USER_INTERACTION: {
-                        Uri originatingUri =
-                                intent.getParcelableExtra(Installer.EXTRA_ORIGINATING_URI);
+                    case Installer.ACTION_INSTALL_USER_INTERACTION:
                         PendingIntent installPendingIntent =
                                 intent.getParcelableExtra(Installer.EXTRA_USER_INTERACTION_PI);
-                        Utils.debugLog(TAG, "originatingUri: " + originatingUri);
 
-                        Apk apk = getApkFromActive(originatingUri.toString());
+                        Apk apkUserInteraction = getApkFromActive(originatingUri.toString());
                         // show notification if app details is not visible
-                        if (AppDetails.isAppVisible(apk.packageName)) {
+                        if (AppDetails.isAppVisible(apkUserInteraction.packageName)) {
                             cancelNotification(originatingUri.toString());
                         } else {
-                            notifyDownloadComplete(apk, originatingUri.toString(), installPendingIntent);
+                            notifyDownloadComplete(apkUserInteraction, originatingUri.toString(), installPendingIntent);
                         }
 
                         break;
-                    }
-                    default: {
+                    default:
                         throw new RuntimeException("intent action not handled!");
-                    }
                 }
             }
         };
diff --git a/app/src/main/java/org/fdroid/fdroid/installer/InstallerService.java b/app/src/main/java/org/fdroid/fdroid/installer/InstallerService.java
index 323f2de94..397f7c889 100644
--- a/app/src/main/java/org/fdroid/fdroid/installer/InstallerService.java
+++ b/app/src/main/java/org/fdroid/fdroid/installer/InstallerService.java
@@ -116,19 +116,13 @@ public class InstallerService extends Service {
         String packageName = intent.getStringExtra(Installer.EXTRA_PACKAGE_NAME);
         Installer installer = InstallerFactory.create(this, packageName);
 
-        switch (intent.getAction()) {
-            case ACTION_INSTALL: {
-                Uri uri = intent.getData();
-                Uri originatingUri = intent.getParcelableExtra(Installer.EXTRA_ORIGINATING_URI);
+        if (ACTION_INSTALL.equals(intent.getAction())) {
+            Uri uri = intent.getData();
+            Uri originatingUri = intent.getParcelableExtra(Installer.EXTRA_ORIGINATING_URI);
 
-                installer.installPackage(uri, originatingUri, packageName);
-                break;
-            }
-
-            case ACTION_UNINSTALL: {
-                installer.uninstallPackage(packageName);
-                break;
-            }
+            installer.installPackage(uri, originatingUri, packageName);
+        } else if (ACTION_UNINSTALL.equals(intent.getAction())) {
+            installer.uninstallPackage(packageName);
         }
     }