diff --git a/app/build.gradle b/app/build.gradle
index fed3d42c0..33c6dfc88 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -224,6 +224,8 @@ android {
     defaultConfig {
         versionCode 1001000
         versionName getVersionName()
+        applicationId 'org.fdroid.fdroid'
+        resValue "string", "applicationId", applicationId
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f67dcbafb..c8cc54d30 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -63,53 +63,53 @@
         >
 
         <provider
-            android:authorities="org.fdroid.fdroid.data.AppProvider"
+            android:authorities="${applicationId}.data.AppProvider"
             android:name="org.fdroid.fdroid.data.AppProvider"
             android:exported="false"/>
 
         <provider
-            android:authorities="org.fdroid.fdroid.data.RepoProvider"
+            android:authorities="${applicationId}.data.RepoProvider"
             android:name="org.fdroid.fdroid.data.RepoProvider"
             android:exported="false"/>
 
         <provider
-            android:authorities="org.fdroid.fdroid.data.ApkProvider"
+            android:authorities="${applicationId}.data.ApkProvider"
             android:name="org.fdroid.fdroid.data.ApkProvider"
             android:exported="false"/>
 
         <provider
-            android:authorities="org.fdroid.fdroid.data.TempApkProvider"
+            android:authorities="${applicationId}.data.TempApkProvider"
             android:name="org.fdroid.fdroid.data.TempApkProvider"
             android:exported="false"/>
 
         <provider
-            android:authorities="org.fdroid.fdroid.data.TempAppProvider"
+            android:authorities="${applicationId}.data.TempAppProvider"
             android:name="org.fdroid.fdroid.data.TempAppProvider"
             android:exported="false"/>
 
         <provider
-            android:authorities="org.fdroid.fdroid.data.InstalledAppProvider"
+            android:authorities="${applicationId}.data.InstalledAppProvider"
             android:name="org.fdroid.fdroid.data.InstalledAppProvider"
             android:exported="false"/>
 
         <provider
-            android:authorities="org.fdroid.fdroid.data.AppPrefsProvider"
+            android:authorities="${applicationId}.data.AppPrefsProvider"
             android:name="org.fdroid.fdroid.data.AppPrefsProvider"
             android:exported="false"/>
 
         <provider
-            android:authorities="org.fdroid.fdroid.data.PackageProvider"
+            android:authorities="${applicationId}.data.PackageProvider"
             android:name="org.fdroid.fdroid.data.PackageProvider"
             android:exported="false"/>
 
         <provider
-            android:authorities="org.fdroid.fdroid.data.CategoryProvider"
+            android:authorities="${applicationId}.data.CategoryProvider"
             android:name="org.fdroid.fdroid.data.CategoryProvider"
             android:exported="false"/>
 
         <provider
             android:name="org.fdroid.fdroid.installer.ApkFileProvider"
-            android:authorities="org.fdroid.fdroid.installer.ApkFileProvider"
+            android:authorities="${applicationId}.installer.ApkFileProvider"
             android:exported="false"
             android:grantUriPermissions="true">
             <meta-data
@@ -118,7 +118,7 @@
         </provider>
         <provider
             android:name="android.support.v4.content.FileProvider"
-            android:authorities="org.fdroid.fdroid.installer"
+            android:authorities="${applicationId}.installer"
             android:exported="false"
             android:grantUriPermissions="true">
             <meta-data
diff --git a/app/src/main/java/org/fdroid/fdroid/FDroidApp.java b/app/src/main/java/org/fdroid/fdroid/FDroidApp.java
index 0467b2980..50404622b 100644
--- a/app/src/main/java/org/fdroid/fdroid/FDroidApp.java
+++ b/app/src/main/java/org/fdroid/fdroid/FDroidApp.java
@@ -81,6 +81,7 @@ import sun.net.www.protocol.bluetooth.Handler;
 public class FDroidApp extends Application {
 
     private static final String TAG = "FDroidApp";
+    private static final String ACRA_ID = BuildConfig.APPLICATION_ID + ":acra";
 
     public static final String SYSTEM_DIR_NAME = Environment.getRootDirectory().getAbsolutePath();
 
@@ -425,7 +426,7 @@ public class FDroidApp extends Application {
 
         int pid = android.os.Process.myPid();
         for (RunningAppProcessInfo processInfo : processes) {
-            if (processInfo.pid == pid && "org.fdroid.fdroid:acra".equals(processInfo.processName)) {
+            if (processInfo.pid == pid && ACRA_ID.equals(processInfo.processName)) {
                 return true;
             }
         }
diff --git a/app/src/main/java/org/fdroid/fdroid/compat/PackageManagerCompat.java b/app/src/main/java/org/fdroid/fdroid/compat/PackageManagerCompat.java
index 05a6c51c7..22f403f4d 100644
--- a/app/src/main/java/org/fdroid/fdroid/compat/PackageManagerCompat.java
+++ b/app/src/main/java/org/fdroid/fdroid/compat/PackageManagerCompat.java
@@ -6,6 +6,7 @@ import android.content.pm.PackageManager;
 import android.os.Build;
 import android.util.Log;
 
+import org.fdroid.fdroid.BuildConfig;
 import org.fdroid.fdroid.Utils;
 import org.fdroid.fdroid.installer.PrivilegedInstaller;
 
@@ -34,7 +35,7 @@ public class PackageManagerCompat {
             if (Build.VERSION.SDK_INT >= 24 && PrivilegedInstaller.isDefault(context)) {
                 mPm.setInstallerPackageName(packageName, "org.fdroid.fdroid.privileged");
             } else {
-                mPm.setInstallerPackageName(packageName, "org.fdroid.fdroid");
+                mPm.setInstallerPackageName(packageName, BuildConfig.APPLICATION_ID);
             }
             Utils.debugLog(TAG, "Installer package name for " + packageName + " set successfully");
         } catch (SecurityException | IllegalArgumentException e) {
diff --git a/app/src/main/java/org/fdroid/fdroid/data/FDroidProvider.java b/app/src/main/java/org/fdroid/fdroid/data/FDroidProvider.java
index 340148a79..da1bde5d1 100644
--- a/app/src/main/java/org/fdroid/fdroid/data/FDroidProvider.java
+++ b/app/src/main/java/org/fdroid/fdroid/data/FDroidProvider.java
@@ -13,6 +13,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.support.annotation.NonNull;
 
+import org.fdroid.fdroid.BuildConfig;
 import org.fdroid.fdroid.Utils;
 
 import java.util.ArrayList;
@@ -24,7 +25,7 @@ public abstract class FDroidProvider extends ContentProvider {
 
     private static final String TAG = "FDroidProvider";
 
-    static final String AUTHORITY = "org.fdroid.fdroid.data";
+    static final String AUTHORITY = BuildConfig.APPLICATION_ID + ".data";
 
     static final int CODE_LIST   = 1;
     static final int CODE_SINGLE = 2;
diff --git a/app/src/main/java/org/fdroid/fdroid/installer/ApkFileProvider.java b/app/src/main/java/org/fdroid/fdroid/installer/ApkFileProvider.java
index 23ca8f46b..8e7ffaef5 100644
--- a/app/src/main/java/org/fdroid/fdroid/installer/ApkFileProvider.java
+++ b/app/src/main/java/org/fdroid/fdroid/installer/ApkFileProvider.java
@@ -26,6 +26,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.support.v4.content.FileProvider;
 
+import org.fdroid.fdroid.BuildConfig;
 import org.fdroid.fdroid.data.Apk;
 import org.fdroid.fdroid.data.SanitizedFile;
 
@@ -47,7 +48,7 @@ import java.io.IOException;
  */
 public class ApkFileProvider extends FileProvider {
 
-    private static final String AUTHORITY = "org.fdroid.fdroid.installer.ApkFileProvider";
+    private static final String AUTHORITY = BuildConfig.APPLICATION_ID + ".installer.ApkFileProvider";
 
     public static Uri getSafeUri(Context context, PackageInfo packageInfo) throws IOException {
         SanitizedFile tempApkFile = ApkCache.copyInstalledApkToFiles(context, packageInfo);
diff --git a/app/src/main/java/org/fdroid/fdroid/views/swap/SwapAppsView.java b/app/src/main/java/org/fdroid/fdroid/views/swap/SwapAppsView.java
index 5f034476b..78547c6be 100644
--- a/app/src/main/java/org/fdroid/fdroid/views/swap/SwapAppsView.java
+++ b/app/src/main/java/org/fdroid/fdroid/views/swap/SwapAppsView.java
@@ -40,6 +40,7 @@ import android.widget.Toast;
 import com.nostra13.universalimageloader.core.DisplayImageOptions;
 import com.nostra13.universalimageloader.core.ImageLoader;
 
+import org.fdroid.fdroid.BuildConfig;
 import org.fdroid.fdroid.R;
 import org.fdroid.fdroid.UpdateService;
 import org.fdroid.fdroid.Utils;
@@ -133,7 +134,7 @@ public class SwapAppsView extends ListView implements
 
     private void pollForUpdates() {
         if (adapter.getCount() > 1 ||
-                (adapter.getCount() == 1 && !new App((Cursor) adapter.getItem(0)).packageName.equals("org.fdroid.fdroid"))) { // NOCHECKSTYLE LineLength
+                (adapter.getCount() == 1 && !new App((Cursor) adapter.getItem(0)).packageName.equals(BuildConfig.APPLICATION_ID))) { // NOCHECKSTYLE LineLength
             Utils.debugLog(TAG, "Not polling for new apps from swap repo, because we already have more than one.");
             return;
         }
diff --git a/app/src/main/java/org/fdroid/fdroid/views/swap/SwapWorkflowActivity.java b/app/src/main/java/org/fdroid/fdroid/views/swap/SwapWorkflowActivity.java
index 5dcd9453e..fdb476522 100644
--- a/app/src/main/java/org/fdroid/fdroid/views/swap/SwapWorkflowActivity.java
+++ b/app/src/main/java/org/fdroid/fdroid/views/swap/SwapWorkflowActivity.java
@@ -33,6 +33,7 @@ import android.widget.Toast;
 import com.google.zxing.integration.android.IntentIntegrator;
 import com.google.zxing.integration.android.IntentResult;
 
+import org.fdroid.fdroid.BuildConfig;
 import org.fdroid.fdroid.FDroidApp;
 import org.fdroid.fdroid.NfcHelper;
 import org.fdroid.fdroid.Preferences;
@@ -433,7 +434,7 @@ public class SwapWorkflowActivity extends AppCompatActivity {
     }
 
     private void sendFDroidApk() {
-        ((FDroidApp) getApplication()).sendViaBluetooth(this, Activity.RESULT_OK, "org.fdroid.fdroid");
+        ((FDroidApp) getApplication()).sendViaBluetooth(this, Activity.RESULT_OK, BuildConfig.APPLICATION_ID);
     }
 
     // TODO: Figure out whether they have changed since last time UpdateAsyncTask was run.
@@ -632,7 +633,7 @@ public class SwapWorkflowActivity extends AppCompatActivity {
 
     class PrepareInitialSwapRepo extends PrepareSwapRepo {
         PrepareInitialSwapRepo() {
-            super(new HashSet<>(Arrays.asList(new String[] {"org.fdroid.fdroid"})));
+            super(new HashSet<>(Arrays.asList(new String[] {BuildConfig.APPLICATION_ID})));
         }
     }
 
diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index 848eabfe2..c12ac36bd 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -3,14 +3,14 @@
         <PreferenceScreen android:title="@string/about_title">
             <intent
                 android:action="android.intent.action.MAIN"
-                android:targetPackage="org.fdroid.fdroid"
+                android:targetPackage="@string/applicationId"
                 android:targetClass="org.fdroid.fdroid.AboutActivity" />
         </PreferenceScreen>
     <PreferenceCategory android:title="@string/preference_category__my_apps">
         <PreferenceScreen android:title="@string/preference_manage_installed_apps">
             <intent
                 android:action="android.intent.action.MAIN"
-                android:targetPackage="org.fdroid.fdroid"
+                android:targetPackage="@string/applicationId"
                 android:targetClass="org.fdroid.fdroid.views.installed.InstalledAppsActivity" />
         </PreferenceScreen>
         <PreferenceScreen
@@ -18,7 +18,7 @@
             android:summary="@string/repositories_summary">
             <intent
                 android:action="android.intent.action.MAIN"
-                android:targetPackage="org.fdroid.fdroid"
+                android:targetPackage="@string/applicationId"
                 android:targetClass="org.fdroid.fdroid.views.ManageReposActivity" />
         </PreferenceScreen>
     </PreferenceCategory>