Add pro version

app/src/main/java/com/kabouzeid/gramophone/App.java

@@ -2,7 +2,10 @@ package com.kabouzeid.gramophone;
 
 import android.app.Application;
 import android.os.Build;
+import android.widget.Toast;
 
+import com.anjlab.android.iab.v3.BillingProcessor;
+import com.anjlab.android.iab.v3.TransactionDetails;
 import com.crashlytics.android.Crashlytics;
 import com.crashlytics.android.core.CrashlyticsCore;
 import com.kabouzeid.gramophone.appshortcuts.DynamicShortcutManager;
@@ -13,11 +16,19 @@ import io.fabric.sdk.android.Fabric;
  * @author Karim Abou Zeid (kabouzeid)
  */
 public class App extends Application {
+    public static final String TAG = App.class.getSimpleName();
+
     public static final String GOOGLE_PLAY_LICENSE_KEY = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjMeADN5Ffnt/ml5SYxNPCn8kGcOYGpHEfNSCts99vVxqmCn6C01E94c17j7rUK2aeHur5uxphZylzopPlQ8P8l1fqty0GPUNRSo18FCJzfGH8HZAwZYOcnRFPaXdaq3InyFJhBiODh2oeAcVK/idH6QraQ4r9HIlzigAg6lgwzxl2wJKDh7X/GMdDntCyzDh8xDQ0wIawFgvgojHwqh2Ci8Gnq6EYRwPA9yHiIIksT8Q30QyM5ewl5QcnWepsls7enNqeHarhpmSibRUDgCsxHoOpny7SyuvZvUI3wuLckDR0ds9hrt614scHHqDOBp/qWCZiAgOPVAEQcURbV09qQIDAQAB";
+    public static final String PRO_VERSION_PRODUCT_ID = "pro_version";
+
+    public static App app;
+
+    private BillingProcessor billingProcessor;
 
     @Override
     public void onCreate() {
         super.onCreate();
+        app = this;
 
         // Set up Crashlytics, disabled for debug builds
         Crashlytics crashlyticsKit = new Crashlytics.Builder()
@@ -29,5 +40,35 @@ public class App extends Application {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1) {
             new DynamicShortcutManager(this).initDynamicShortcuts();
         }
+
+        // automatically restores purchases
+        billingProcessor = new BillingProcessor(this, App.GOOGLE_PLAY_LICENSE_KEY, new BillingProcessor.IBillingHandler() {
+            @Override
+            public void onProductPurchased(String productId, TransactionDetails details) {
+            }
+
+            @Override
+            public void onPurchaseHistoryRestored() {
+                Toast.makeText(App.this, R.string.restored_previous_purchases_please_restart, Toast.LENGTH_LONG).show();
+            }
+
+            @Override
+            public void onBillingError(int errorCode, Throwable error) {
+            }
+
+            @Override
+            public void onBillingInitialized() {
+            }
+        });
+    }
+
+    public static boolean isProVersion() {
+        return false; //BuildConfig.DEBUG || app.billingProcessor.isPurchased(PRO_VERSION_PRODUCT_ID);
+    }
+
+    @Override
+    public void onTerminate() {
+        super.onTerminate();
+        billingProcessor.release();
     }
 }

app/src/main/java/com/kabouzeid/gramophone/dialogs/BuyDialog.java

@@ -0,0 +1,135 @@
+package com.kabouzeid.gramophone.dialogs;
+
+import android.app.Dialog;
+import android.content.Intent;
+import android.os.AsyncTask;
+import android.os.Build;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v4.app.DialogFragment;
+import android.util.Log;
+import android.widget.Toast;
+
+import com.afollestad.materialdialogs.DialogAction;
+import com.afollestad.materialdialogs.MaterialDialog;
+import com.afollestad.materialdialogs.internal.MDButton;
+import com.anjlab.android.iab.v3.BillingProcessor;
+import com.anjlab.android.iab.v3.SkuDetails;
+import com.anjlab.android.iab.v3.TransactionDetails;
+import com.kabouzeid.gramophone.App;
+import com.kabouzeid.gramophone.BuildConfig;
+import com.kabouzeid.gramophone.R;
+
+import java.lang.ref.WeakReference;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+public class BuyDialog extends DialogFragment implements BillingProcessor.IBillingHandler {
+    public static final String TAG = BuyDialog.class.getSimpleName();
+
+    private BillingProcessor billingProcessor;
+
+    private AsyncTask skuDetailsLoadAsyncTask;
+
+    public static BuyDialog create() {
+        return new BuyDialog();
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        billingProcessor = new BillingProcessor(getContext(), App.GOOGLE_PLAY_LICENSE_KEY, this);
+        return new MaterialDialog.Builder(getContext())
+                .title(R.string.buy_pro)
+                .content("Unlock all features, such as:\n• Folder view\n• All theme colors\n• Black theme\n• Sleep timer")
+                .positiveText(R.string.buy)
+                .onPositive(new MaterialDialog.SingleButtonCallback() {
+                    @Override
+                    public void onClick(@NonNull MaterialDialog materialDialog, @NonNull DialogAction dialogAction) {
+                        billingProcessor.purchase(getActivity(), App.PRO_VERSION_PRODUCT_ID);
+                    }
+                })
+                .build();
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (!billingProcessor.handleActivityResult(requestCode, resultCode, data)) {
+            super.onActivityResult(requestCode, resultCode, data);
+        }
+    }
+
+    @Override
+    public void onProductPurchased(String productId, TransactionDetails details) {
+        loadSkuDetails();
+        Toast.makeText(getContext(), R.string.thank_you, Toast.LENGTH_SHORT).show();
+    }
+
+    @Override
+    public void onPurchaseHistoryRestored() {
+        loadSkuDetails();
+        Toast.makeText(getContext(), R.string.restored_previous_purchases_please_restart, Toast.LENGTH_LONG).show();
+    }
+
+    @Override
+    public void onBillingError(int errorCode, Throwable error) {
+        Log.e(TAG, "Billing error: code = " + errorCode, error);
+    }
+
+    @Override
+    public void onBillingInitialized() {
+        loadSkuDetails();
+    }
+
+    @Override
+    public void onDestroy() {
+        if (billingProcessor != null) {
+            billingProcessor.release();
+        }
+        if (skuDetailsLoadAsyncTask != null) {
+            skuDetailsLoadAsyncTask.cancel(true);
+        }
+        super.onDestroy();
+    }
+
+    private void loadSkuDetails() {
+        if (skuDetailsLoadAsyncTask != null) {
+            skuDetailsLoadAsyncTask.cancel(false);
+        }
+        skuDetailsLoadAsyncTask = new SkuDetailsLoadAsyncTask(this).execute();
+    }
+
+    private static class SkuDetailsLoadAsyncTask extends AsyncTask<Void, Void, SkuDetails> {
+        private final WeakReference<BuyDialog> donationDialogWeakReference;
+
+        public SkuDetailsLoadAsyncTask(BuyDialog donationsDialog) {
+            this.donationDialogWeakReference = new WeakReference<>(donationsDialog);
+        }
+
+        @Override
+        protected SkuDetails doInBackground(Void... params) {
+            BuyDialog dialog = donationDialogWeakReference.get();
+            if (dialog != null) {
+                return dialog.billingProcessor.getPurchaseListingDetails(App.PRO_VERSION_PRODUCT_ID);
+            }
+            cancel(false);
+            return null;
+        }
+
+        @Override
+        protected void onPostExecute(SkuDetails skuDetails) {
+            super.onPostExecute(skuDetails);
+            BuyDialog dialog = donationDialogWeakReference.get();
+            if (dialog == null) return;
+
+            if (skuDetails == null) {
+                if (!BuildConfig.DEBUG) dialog.dismiss();
+                return;
+            }
+
+            MDButton positiveButton = ((MaterialDialog) dialog.getDialog()).getActionButton(DialogAction.POSITIVE);
+            positiveButton.setText(String.format("%s %s", dialog.getString(R.string.buy), skuDetails.priceText));
+        }
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/dialogs/DonationsDialog.java

@@ -92,7 +92,6 @@ public class DonationsDialog extends DialogFragment implements BillingProcessor.
     @Override
     public void onPurchaseHistoryRestored() {
         loadSkuDetails();
-        Toast.makeText(getContext(), R.string.restored_previous_purchases, Toast.LENGTH_SHORT).show();
     }
 
     @Override

app/src/main/java/com/kabouzeid/gramophone/dialogs/SleepTimerDialog.java

@@ -18,6 +18,7 @@ import android.widget.Toast;
 import com.afollestad.materialdialogs.DialogAction;
 import com.afollestad.materialdialogs.MaterialDialog;
 import com.afollestad.materialdialogs.internal.ThemeSingleton;
+import com.kabouzeid.gramophone.App;
 import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.service.MusicService;
 import com.kabouzeid.gramophone.util.MusicUtil;
@@ -59,6 +60,13 @@ public class SleepTimerDialog extends DialogFragment {
                         if (getActivity() == null) {
                             return;
                         }
+                        if (!App.isProVersion()) {
+                            Toast.makeText(getActivity(), getString(R.string.sleep_timer_is_a_pro_feature), Toast.LENGTH_LONG).show();
+                            BuyDialog.create().show(getFragmentManager(), "BUY_DIALOG");
+                            dismiss();
+                            return;
+                        }
+
                         final int minutes = seekArcProgress;
 
                         PendingIntent pi = makeTimerPendingIntent(PendingIntent.FLAG_CANCEL_CURRENT);

app/src/main/java/com/kabouzeid/gramophone/misc/NonProAllowedColors.java

@@ -0,0 +1,98 @@
+package com.kabouzeid.gramophone.misc;
+
+import android.graphics.Color;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+
+public interface NonProAllowedColors {
+
+    int[] PRIMARY_COLORS =
+            new int[]{
+                    // Red
+                    Color.parseColor("#FFEBEE"),
+                    Color.parseColor("#FFCDD2"),
+                    Color.parseColor("#EF9A9A"),
+                    Color.parseColor("#E57373"),
+                    Color.parseColor("#EF5350"),
+                    Color.parseColor("#F44336"),
+                    Color.parseColor("#E53935"),
+                    Color.parseColor("#D32F2F"),
+                    Color.parseColor("#C62828"),
+                    Color.parseColor("#B71C1C"),
+                    // Pink
+                    Color.parseColor("#FCE4EC"),
+                    Color.parseColor("#F8BBD0"),
+                    Color.parseColor("#F48FB1"),
+                    Color.parseColor("#F06292"),
+                    Color.parseColor("#EC407A"),
+                    Color.parseColor("#E91E63"),
+                    Color.parseColor("#D81B60"),
+                    Color.parseColor("#C2185B"),
+                    Color.parseColor("#AD1457"),
+                    Color.parseColor("#880E4F"),
+                    // Purple
+                    Color.parseColor("#F3E5F5"),
+                    Color.parseColor("#E1BEE7"),
+                    Color.parseColor("#CE93D8"),
+                    Color.parseColor("#BA68C8"),
+                    Color.parseColor("#AB47BC"),
+                    Color.parseColor("#9C27B0"),
+                    Color.parseColor("#8E24AA"),
+                    Color.parseColor("#7B1FA2"),
+                    Color.parseColor("#6A1B9A"),
+                    Color.parseColor("#4A148C"),
+                    // Deep Purple
+                    Color.parseColor("#EDE7F6"),
+                    Color.parseColor("#D1C4E9"),
+                    Color.parseColor("#B39DDB"),
+                    Color.parseColor("#9575CD"),
+                    Color.parseColor("#7E57C2"),
+                    Color.parseColor("#673AB7"),
+                    Color.parseColor("#5E35B1"),
+                    Color.parseColor("#512DA8"),
+                    Color.parseColor("#4527A0"),
+                    Color.parseColor("#311B92"),
+                    // Indigo
+                    Color.parseColor("#E8EAF6"),
+                    Color.parseColor("#C5CAE9"),
+                    Color.parseColor("#9FA8DA"),
+                    Color.parseColor("#7986CB"),
+                    Color.parseColor("#5C6BC0"),
+                    Color.parseColor("#3F51B5"),
+                    Color.parseColor("#3949AB"),
+                    Color.parseColor("#303F9F"),
+                    Color.parseColor("#283593"),
+                    Color.parseColor("#1A237E")
+            };
+
+    int[] ACCENT_COLORS =
+            new int[]{
+                    // Red
+                    Color.parseColor("#FF8A80"),
+                    Color.parseColor("#FF5252"),
+                    Color.parseColor("#FF1744"),
+                    Color.parseColor("#D50000"),
+                    // Pink
+                    Color.parseColor("#FF80AB"),
+                    Color.parseColor("#FF4081"),
+                    Color.parseColor("#F50057"),
+                    Color.parseColor("#C51162"),
+                    // Purple
+                    Color.parseColor("#EA80FC"),
+                    Color.parseColor("#E040FB"),
+                    Color.parseColor("#D500F9"),
+                    Color.parseColor("#AA00FF"),
+                    // Deep Purple
+                    Color.parseColor("#B388FF"),
+                    Color.parseColor("#7C4DFF"),
+                    Color.parseColor("#651FFF"),
+                    Color.parseColor("#6200EA"),
+                    // Indigo
+                    Color.parseColor("#8C9EFF"),
+                    Color.parseColor("#536DFE"),
+                    Color.parseColor("#3D5AFE"),
+                    Color.parseColor("#304FFE")
+            };
+}

app/src/main/java/com/kabouzeid/gramophone/ui/activities/AboutActivity.java

@@ -15,6 +15,7 @@ import android.widget.TextView;
 
 import com.afollestad.materialdialogs.internal.ThemeSingleton;
 import com.kabouzeid.appthemehelper.ThemeStore;
+import com.kabouzeid.gramophone.App;
 import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.dialogs.ChangelogDialog;
 import com.kabouzeid.gramophone.dialogs.DonationsDialog;
@@ -159,11 +160,11 @@ public class AboutActivity extends AbsBaseActivity implements View.OnClickListen
 
     private static String getCurrentVersionName(@NonNull final Context context) {
         try {
-            return context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;
+            return context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName + (App.isProVersion() ? " Pro" : "");
         } catch (PackageManager.NameNotFoundException e) {
             e.printStackTrace();
         }
-        return "0.0.0";
+        return "Unkown";
     }
 
     @Override

app/src/main/java/com/kabouzeid/gramophone/ui/activities/MainActivity.java

@@ -22,14 +22,16 @@ import android.view.ViewGroup;
 import android.view.WindowInsets;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import com.bumptech.glide.Glide;
 import com.kabouzeid.appthemehelper.ThemeStore;
 import com.kabouzeid.appthemehelper.util.ATHUtil;
 import com.kabouzeid.appthemehelper.util.NavigationViewUtil;
+import com.kabouzeid.gramophone.App;
 import com.kabouzeid.gramophone.R;
+import com.kabouzeid.gramophone.dialogs.BuyDialog;
 import com.kabouzeid.gramophone.dialogs.ChangelogDialog;
-import com.kabouzeid.gramophone.dialogs.DonationsDialog;
 import com.kabouzeid.gramophone.glide.SongGlideRequest;
 import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
 import com.kabouzeid.gramophone.helper.SearchQueryHelper;
@@ -108,6 +110,12 @@ public class MainActivity extends AbsSlidingMusicPanelActivity {
     }
 
     private void setMusicChooser(int key) {
+        if (!App.isProVersion() && key == FOLDERS) {
+            Toast.makeText(this, R.string.folder_view_is_a_pro_feature, Toast.LENGTH_LONG).show();
+            BuyDialog.create().show(getSupportFragmentManager(), "BUY_DIALOG");
+            key = LIBRARY;
+        }
+
         PreferenceUtil.getInstance(this).setLastMusicChooser(key);
         switch (key) {
             case LIBRARY:
@@ -160,6 +168,9 @@ public class MainActivity extends AbsSlidingMusicPanelActivity {
         NavigationViewUtil.setItemIconColors(navigationView, ATHUtil.resolveColor(this, R.attr.iconColor, ThemeStore.textColorSecondary(this)), accentColor);
         NavigationViewUtil.setItemTextColors(navigationView, ThemeStore.textColorPrimary(this), accentColor);
 
+        if (App.isProVersion()) {
+            navigationView.getMenu().removeGroup(R.id.navigation_drawer_menu_category_buy_pro);
+        }
         navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
             @Override
             public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
@@ -181,11 +192,11 @@ public class MainActivity extends AbsSlidingMusicPanelActivity {
                             }
                         }, 200);
                         break;
-                    case R.id.support_development:
+                    case R.id.buy_pro:
                         new Handler().postDelayed(new Runnable() {
                             @Override
                             public void run() {
-                                DonationsDialog.create().show(getSupportFragmentManager(), "DONATION_DIALOG");
+                                BuyDialog.create().show(getSupportFragmentManager(), "BUY_DIALOG");
                             }
                         }, 200);
                         break;

app/src/main/java/com/kabouzeid/gramophone/ui/activities/SettingsActivity.java

@@ -18,15 +18,19 @@ import android.support.v7.preference.TwoStatePreference;
 import android.support.v7.widget.Toolbar;
 import android.view.MenuItem;
 import android.view.View;
+import android.widget.Toast;
 
 import com.afollestad.materialdialogs.color.ColorChooserDialog;
 import com.kabouzeid.appthemehelper.ThemeStore;
 import com.kabouzeid.appthemehelper.common.prefs.supportv7.ATEColorPreference;
 import com.kabouzeid.appthemehelper.common.prefs.supportv7.ATEPreferenceFragmentCompat;
 import com.kabouzeid.appthemehelper.util.ColorUtil;
+import com.kabouzeid.gramophone.App;
 import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.appshortcuts.DynamicShortcutManager;
+import com.kabouzeid.gramophone.dialogs.BuyDialog;
 import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
+import com.kabouzeid.gramophone.misc.NonProAllowedColors;
 import com.kabouzeid.gramophone.preferences.NowPlayingScreenPreference;
 import com.kabouzeid.gramophone.preferences.NowPlayingScreenPreferenceDialog;
 import com.kabouzeid.gramophone.service.MusicService;
@@ -34,6 +38,8 @@ import com.kabouzeid.gramophone.ui.activities.base.AbsBaseActivity;
 import com.kabouzeid.gramophone.util.NavigationUtil;
 import com.kabouzeid.gramophone.util.PreferenceUtil;
 
+import java.util.Arrays;
+
 import butterknife.BindView;
 import butterknife.ButterKnife;
 
@@ -71,11 +77,29 @@ public class SettingsActivity extends AbsBaseActivity implements ColorChooserDia
     public void onColorSelection(@NonNull ColorChooserDialog dialog, @ColorInt int selectedColor) {
         switch (dialog.getTitle()) {
             case R.string.primary_color:
+                if (!App.isProVersion()) {
+                    Arrays.sort(NonProAllowedColors.PRIMARY_COLORS);
+                    if (Arrays.binarySearch(NonProAllowedColors.PRIMARY_COLORS, selectedColor) < 0) {
+                        // color wasn't found
+                        Toast.makeText(this, R.string.only_the_first_5_colors_available, Toast.LENGTH_LONG).show();
+                        BuyDialog.create().show(getSupportFragmentManager(), "BUY_DIALOG");
+                        return;
+                    }
+                }
                 ThemeStore.editTheme(this)
                         .primaryColor(selectedColor)
                         .commit();
                 break;
             case R.string.accent_color:
+                if (!App.isProVersion()) {
+                    Arrays.sort(NonProAllowedColors.ACCENT_COLORS);
+                    if (Arrays.binarySearch(NonProAllowedColors.ACCENT_COLORS, selectedColor) < 0) {
+                        // color wasn't found
+                        Toast.makeText(this, R.string.only_the_first_5_colors_available, Toast.LENGTH_LONG).show();
+                        BuyDialog.create().show(getSupportFragmentManager(), "BUY_DIALOG");
+                        return;
+                    }
+                }
                 ThemeStore.editTheme(this)
                         .accentColor(selectedColor)
                         .commit();
@@ -175,9 +199,17 @@ public class SettingsActivity extends AbsBaseActivity implements ColorChooserDia
             generalTheme.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
                 @Override
                 public boolean onPreferenceChange(Preference preference, @NonNull Object o) {
+                    String themeName = (String) o;
+                    if (themeName.equals("black") && !App.isProVersion()) {
+                        Toast.makeText(getActivity(), R.string.black_theme_is_a_pro_feature, Toast.LENGTH_LONG).show();
+                        BuyDialog.create().show(getFragmentManager(), "BUY_DIALOG");
+                        return false;
+                    }
+
+                    int theme = PreferenceUtil.getThemeResFromPrefValue(themeName);
                     setSummary(generalTheme, o);
                     ThemeStore.editTheme(getActivity())
-                            .activityTheme(PreferenceUtil.getThemeResFromPrefValue((String) o))
+                            .activityTheme(theme)
                             .commit();
 
                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1) {

app/src/main/res/drawable/ic_local_play_white_24dp.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:viewportHeight="24.0" android:viewportWidth="24.0" android:width="24dp">
+    <path android:fillColor="#FFFFFF" android:pathData="M20,12c0,-1.1 0.9,-2 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2L4,4c-1.1,0 -1.99,0.9 -1.99,2v4c1.1,0 1.99,0.9 1.99,2s-0.89,2 -2,2v4c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2v-4c-1.1,0 -2,-0.9 -2,-2zM15.58,16.8L12,14.5l-3.58,2.3 1.08,-4.12 -3.29,-2.69 4.24,-0.25L12,5.8l1.54,3.95 4.24,0.25 -3.29,2.69 1.09,4.11z"/>
+</vector>

app/src/main/res/menu/menu_drawer.xml

@@ -17,10 +17,6 @@
     <group
         android:id="@+id/navigation_drawer_menu_category_other"
         android:checkableBehavior="none">
-        <item
-            android:id="@+id/support_development"
-            android:icon="@drawable/ic_favorite_white_24dp"
-            android:title="@string/support_development" />
         <item
             android:id="@+id/nav_settings"
             android:icon="@drawable/ic_settings_white_24dp"
@@ -31,4 +27,13 @@
             android:title="@string/action_about" />
     </group>
 
+    <group
+        android:id="@+id/navigation_drawer_menu_category_buy_pro"
+        android:checkableBehavior="none">
+        <item
+            android:id="@+id/buy_pro"
+            android:icon="@drawable/ic_local_play_white_24dp"
+            android:title="@string/buy_pro" />
+    </group>
+
 </menu>

app/src/main/res/values/strings.xml

@@ -222,8 +222,10 @@
     <string name="permission_external_storage_denied">Permission to access external storage denied.</string>
     <string name="back">back</string>
     <string name="support_development">Support development</string>
+    <string name="buy_pro">Buy Phonograph Pro</string>
     <string name="thank_you">Thank you!</string>
-    <string name="restored_previous_purchases">Restored previous purchases.</string>
+    <string name="thanks_for_purchasing_phonograph_please_restart">Thanks for purchasing Phonograph Pro! Please restart the app to make use of the new features.</string>
+    <string name="restored_previous_purchases_please_restart">Restored previous purchases. Please restart the app to make use of all features.</string>
     <string name="play_store_illustration_by">Play Store illustration by</string>
     <string name="version">Version</string>
     <string name="application">Application</string>
@@ -249,6 +251,7 @@
     <string name="aleksandar_tesic_summary">For helping me with the design.</string>
     <string name="website">Website</string>
     <string name="loading_products">Loading products…</string>
+    <string name="loading_price">Loading price…</string>
     <string name="up_next">Up next</string>
     <string name="pref_title_now_playing_screen_appearance">Appearance</string>
     <string name="intro_label">Introduction</string>
@@ -303,4 +306,9 @@
     <string name="playlist_is_empty">Playlist is empty</string>
     <string name="playing_notification_description">The playing notification provides actions for play/pause etc.</string>
     <string name="playing_notification_name">Playing notification</string>
+    <string name="buy">Buy</string>
+    <string name="only_the_first_5_colors_available">Only the first 5 colors are available in the free version.</string>
+    <string name="black_theme_is_a_pro_feature">The black theme is Phonograph Pro feature.</string>
+    <string name="sleep_timer_is_a_pro_feature">Sleep timer is a Phonograph Pro feature</string>
+    <string name="folder_view_is_a_pro_feature">Folder view is a Phonograph Pro feature.</string>
 </resources>