Finished the new about screen. Also the DonationDialog loads its content now async.

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

@@ -31,7 +31,6 @@ public class ChangelogDialog extends LeakDetectDialogFragment {
         return new ChangelogDialog();
     }
 
-
     @SuppressLint("InflateParams")
     @NonNull
     @Override

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

@@ -0,0 +1,216 @@
+package com.kabouzeid.gramophone.dialogs;
+
+import android.annotation.SuppressLint;
+import android.app.Dialog;
+import android.content.Intent;
+import android.graphics.Paint;
+import android.os.Bundle;
+import android.support.annotation.LayoutRes;
+import android.support.annotation.NonNull;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.afollestad.materialdialogs.MaterialDialog;
+import com.afollestad.materialdialogs.ThemeSingleton;
+import com.afollestad.materialdialogs.internal.MDTintHelper;
+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.R;
+import com.kabouzeid.gramophone.util.ColorUtil;
+
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import butterknife.Bind;
+import butterknife.ButterKnife;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+public class DonationDialog extends LeakDetectDialogFragment implements BillingProcessor.IBillingHandler {
+    public static final String TAG = DonationDialog.class.getSimpleName();
+
+    private static final int DONATION_PRODUCT_IDS = R.array.donation_ids;
+
+    private BillingProcessor billingProcessor;
+
+    public static DonationDialog create() {
+        return new DonationDialog();
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        billingProcessor = new BillingProcessor(getContext(), App.GOOGLE_PLAY_LICENSE_KEY, this);
+
+        @SuppressLint("InflateParams")
+        View customView = LayoutInflater.from(getContext()).inflate(R.layout.dialog_donation, null);
+        ProgressBar progressBar = ButterKnife.findById(customView, R.id.progress);
+        MDTintHelper.setTint(progressBar, ThemeSingleton.get().positiveColor.getDefaultColor());
+
+        return new MaterialDialog.Builder(getContext())
+                .title(R.string.support_development)
+                .customView(customView, false)
+                .build();
+    }
+
+    void donate(int i) {
+        final String[] ids = getResources().getStringArray(DONATION_PRODUCT_IDS);
+        billingProcessor.purchase(getActivity(), ids[i]);
+    }
+
+    @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) {
+        Toast.makeText(getContext(), R.string.thank_you, Toast.LENGTH_SHORT).show();
+    }
+
+    @Override
+    public void onPurchaseHistoryRestored() {
+        Toast.makeText(getContext(), R.string.restored_previous_purchases, Toast.LENGTH_SHORT).show();
+    }
+
+    @Override
+    public void onBillingError(int errorCode, Throwable error) {
+        Log.e(TAG, "Billing error: code = " + errorCode, error);
+    }
+
+    @Override
+    public void onBillingInitialized() {
+        new Thread(new LoadAndDisplayPurchasesRunnable(this)).start();
+    }
+
+    @Override
+    public void onDestroy() {
+        if (billingProcessor != null) {
+            billingProcessor.release();
+        }
+        super.onDestroy();
+    }
+
+    static class LoadAndDisplayPurchasesRunnable implements Runnable {
+        WeakReference<DonationDialog> dialogWeakReference;
+
+        public LoadAndDisplayPurchasesRunnable(DonationDialog donationDialog) {
+            dialogWeakReference = new WeakReference<>(donationDialog);
+        }
+
+        @Override
+        public void run() {
+            try {
+                final DonationDialog donationDialog = dialogWeakReference.get();
+                final String[] ids = donationDialog.getResources().getStringArray(DONATION_PRODUCT_IDS);
+                final List<SkuDetails> skuDetailsList = donationDialog.billingProcessor.getPurchaseListingDetails(new ArrayList<>(Arrays.asList(ids)));
+
+                donationDialog.getActivity().runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        if (skuDetailsList == null || skuDetailsList.isEmpty()) {
+                            donationDialog.dismiss();
+                            return;
+                        }
+                        View customView = ((MaterialDialog) donationDialog.getDialog()).getCustomView();
+                        if (customView != null) {
+                            customView.findViewById(R.id.progress_container).setVisibility(View.GONE);
+                            ListView listView = ButterKnife.findById(customView, R.id.list);
+                            listView.setAdapter(new SkuDetailsAdapter(donationDialog, skuDetailsList));
+                            listView.setVisibility(View.VISIBLE);
+                        }
+                    }
+                });
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    static class SkuDetailsAdapter extends ArrayAdapter<SkuDetails> {
+        @LayoutRes
+        private static int LAYOUT_RES_ID = R.layout.item_donation_option;
+
+        DonationDialog donationDialog;
+
+        public SkuDetailsAdapter(@NonNull DonationDialog donationDialog, @NonNull List<SkuDetails> objects) {
+            super(donationDialog.getContext(), LAYOUT_RES_ID, objects);
+            this.donationDialog = donationDialog;
+        }
+
+        @Override
+        public View getView(final int position, View convertView, ViewGroup parent) {
+            if (convertView == null) {
+                convertView = LayoutInflater.from(getContext()).inflate(LAYOUT_RES_ID, parent, false);
+            }
+
+            SkuDetails skuDetails = getItem(position);
+            ViewHolder viewHolder = new ViewHolder(convertView);
+
+            viewHolder.title.setText(skuDetails.title.replace("(Phonograph Music Player)", "").trim());
+            viewHolder.text.setText(skuDetails.description);
+            viewHolder.price.setText(skuDetails.priceText);
+
+            final boolean purchased = donationDialog.billingProcessor.isPurchased(skuDetails.productId);
+
+            int titleTextColor = purchased ? ColorUtil.resolveColor(getContext(), android.R.attr.textColorHint) : ColorUtil.resolveColor(getContext(), android.R.attr.textColorPrimary);
+            int contentTextColor = purchased ? titleTextColor : ColorUtil.resolveColor(getContext(), android.R.attr.textColorSecondary);
+
+            viewHolder.title.setTextColor(titleTextColor);
+            viewHolder.text.setTextColor(contentTextColor);
+            viewHolder.price.setTextColor(titleTextColor);
+
+            strikeThrough(viewHolder.title, purchased);
+            strikeThrough(viewHolder.text, purchased);
+            strikeThrough(viewHolder.price, purchased);
+
+            convertView.setOnTouchListener(new View.OnTouchListener() {
+                @Override
+                public boolean onTouch(View v, MotionEvent event) {
+                    return purchased;
+                }
+            });
+
+            convertView.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    donationDialog.donate(position);
+                }
+            });
+
+            return convertView;
+        }
+
+        private static void strikeThrough(TextView textView, boolean strikeThrough) {
+            textView.setPaintFlags(strikeThrough ? textView.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG : textView.getPaintFlags() & ~Paint.STRIKE_THRU_TEXT_FLAG);
+        }
+
+        static class ViewHolder {
+            @Bind(R.id.title)
+            TextView title;
+            @Bind(R.id.text)
+            TextView text;
+            @Bind(R.id.price)
+            TextView price;
+
+            public ViewHolder(View view) {
+                ButterKnife.bind(this, view);
+            }
+        }
+    }
+}

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

@@ -1,13 +1,21 @@
 package com.kabouzeid.gramophone.ui.activities;
 
 import android.content.Context;
+import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.net.Uri;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
+import android.support.v7.widget.AppCompatButton;
 import android.support.v7.widget.Toolbar;
 import android.view.MenuItem;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.TextView;
 
 import com.kabouzeid.gramophone.R;
+import com.kabouzeid.gramophone.dialogs.ChangelogDialog;
+import com.kabouzeid.gramophone.dialogs.DonationDialog;
 import com.kabouzeid.gramophone.ui.activities.base.AbsBaseActivity;
 
 import butterknife.Bind;
@@ -16,9 +24,64 @@ import butterknife.ButterKnife;
 /**
  * @author Karim Abou Zeid (kabouzeid)
  */
-public class AboutActivity extends AbsBaseActivity {
+public class AboutActivity extends AbsBaseActivity implements View.OnClickListener {
+
+    private static String GOOGLE_PLUS = "https://google.com/+KarimAbouZeid23697";
+    private static String TWITTER = "https://twitter.com/karim23697";
+    private static String GITHUB = "https://github.com/kabouzeid";
+    private static String WEBSITE = "http://kabouzeid.de/";
+
+    private static String REPORT_BUGS = "https://github.com/kabouzeid/phonograph-issue-tracker";
+    private static String GOOGLE_PLUS_COMMUNITY = "https://plus.google.com/u/0/communities/106227738496107108513";
+    private static String TRANSLATE = "https://phonograph.oneskyapp.com/collaboration/project?id=26521";
+    private static String RATE_ON_GOOGLE_PLAY = "https://play.google.com/store/apps/details?id=com.kabouzeid.gramophone";
+
+    private static String AIDAN_FOLLESTAD_GOOGLE_PLUS = "https://google.com/+AidanFollestad";
+    private static String AIDAN_FOLLESTAD_GITHUB = "https://github.com/afollestad";
+
+    private static String MICHAEL_COOK_GOOGLE_PLUS = "https://google.com/+michaelcook";
+    private static String MICHAEL_COOK_WEBSITE = "http://cookicons.co/";
+
+    private static String MAARTEN_CORPEL_GOOGLE_PLUS = "https://google.com/+MaartenCorpel";
+
+    private static String ALEKSANDAR_TESIC_GOOGLE_PLUS = "https://google.com/+aleksandartešić";
+
     @Bind(R.id.toolbar)
     Toolbar toolbar;
+    @Bind(R.id.app_version)
+    TextView appVersion;
+    @Bind(R.id.changelog)
+    LinearLayout changelog;
+    @Bind(R.id.add_to_google_plus_circles)
+    LinearLayout addToGooglePlusCircles;
+    @Bind(R.id.follow_on_twitter)
+    LinearLayout followOnTwitter;
+    @Bind(R.id.fork_on_git_hub)
+    LinearLayout forkOnGitHub;
+    @Bind(R.id.visit_website)
+    LinearLayout visitWebsite;
+    @Bind(R.id.report_bugs)
+    LinearLayout reportBugs;
+    @Bind(R.id.join_google_plus_community)
+    LinearLayout joinGooglePlusCommunity;
+    @Bind(R.id.translate)
+    LinearLayout translate;
+    @Bind(R.id.donate)
+    LinearLayout donate;
+    @Bind(R.id.rate_on_google_play)
+    LinearLayout rateOnGooglePlay;
+    @Bind(R.id.aidan_follestad_google_plus)
+    AppCompatButton aidanFollestadGooglePlus;
+    @Bind(R.id.aidan_follestad_git_hub)
+    AppCompatButton aidanFollestadGitHub;
+    @Bind(R.id.michael_cook_google_plus)
+    AppCompatButton michaelCookGooglePlus;
+    @Bind(R.id.michael_cook_website)
+    AppCompatButton michaelCookWebsite;
+    @Bind(R.id.maarten_corpel_google_plus)
+    AppCompatButton maartenCorpelGooglePlus;
+    @Bind(R.id.aleksandar_tesic_google_plus)
+    AppCompatButton aleksandarTesicGooglePlus;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -27,16 +90,49 @@ public class AboutActivity extends AbsBaseActivity {
         setStatusBarTransparent();
         ButterKnife.bind(this);
 
-        toolbar.setBackgroundColor(getThemeColorPrimary());
-        setSupportActionBar(toolbar);
-        //noinspection ConstantConditions
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        setUpViews();
 
         if (shouldColorNavigationBar())
             setNavigationBarThemeColor();
         setStatusBarThemeColor();
     }
 
+    private void setUpViews() {
+        setUpToolbar();
+        setUpAppVersion();
+        setUpOnClickListeners();
+    }
+
+    private void setUpToolbar() {
+        toolbar.setBackgroundColor(getThemeColorPrimary());
+        setSupportActionBar(toolbar);
+        //noinspection ConstantConditions
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    }
+
+    private void setUpAppVersion() {
+        appVersion.setText(getCurrentVersionName(this));
+    }
+
+    private void setUpOnClickListeners() {
+        changelog.setOnClickListener(this);
+        addToGooglePlusCircles.setOnClickListener(this);
+        followOnTwitter.setOnClickListener(this);
+        forkOnGitHub.setOnClickListener(this);
+        visitWebsite.setOnClickListener(this);
+        reportBugs.setOnClickListener(this);
+        joinGooglePlusCommunity.setOnClickListener(this);
+        translate.setOnClickListener(this);
+        rateOnGooglePlay.setOnClickListener(this);
+        donate.setOnClickListener(this);
+        aidanFollestadGooglePlus.setOnClickListener(this);
+        aidanFollestadGitHub.setOnClickListener(this);
+        michaelCookGooglePlus.setOnClickListener(this);
+        michaelCookWebsite.setOnClickListener(this);
+        maartenCorpelGooglePlus.setOnClickListener(this);
+        aleksandarTesicGooglePlus.setOnClickListener(this);
+    }
+
     @Override
     public boolean onOptionsItemSelected(@NonNull MenuItem item) {
         if (item.getItemId() == android.R.id.home) {
@@ -47,12 +143,55 @@ public class AboutActivity extends AbsBaseActivity {
     }
 
     private static String getCurrentVersionName(@NonNull final Context context) {
-        String versionName;
         try {
-            versionName = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;
+            return context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;
         } catch (PackageManager.NameNotFoundException e) {
-            return "Unknown";
+            e.printStackTrace();
         }
-        return versionName;
+        return "0.0.0";
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (v == changelog) {
+            ChangelogDialog.create().show(getSupportFragmentManager(), "CHANGELOG_DIALOG");
+        } else if (v == addToGooglePlusCircles) {
+            openUrl(GOOGLE_PLUS);
+        } else if (v == followOnTwitter) {
+            openUrl(TWITTER);
+        } else if (v == forkOnGitHub) {
+            openUrl(GITHUB);
+        } else if (v == visitWebsite) {
+            openUrl(WEBSITE);
+        } else if (v == reportBugs) {
+            openUrl(REPORT_BUGS);
+        } else if (v == joinGooglePlusCommunity) {
+            openUrl(GOOGLE_PLUS_COMMUNITY);
+        } else if (v == translate) {
+            openUrl(TRANSLATE);
+        } else if (v == rateOnGooglePlay) {
+            openUrl(RATE_ON_GOOGLE_PLAY);
+        } else if (v == donate) {
+            DonationDialog.create().show(getSupportFragmentManager(), "DONATION_DIALOG");
+        } else if (v == aidanFollestadGooglePlus) {
+            openUrl(AIDAN_FOLLESTAD_GOOGLE_PLUS);
+        } else if (v == aidanFollestadGitHub) {
+            openUrl(AIDAN_FOLLESTAD_GITHUB);
+        } else if (v == michaelCookGooglePlus) {
+            openUrl(MICHAEL_COOK_GOOGLE_PLUS);
+        } else if (v == michaelCookWebsite) {
+            openUrl(MICHAEL_COOK_WEBSITE);
+        } else if (v == maartenCorpelGooglePlus) {
+            openUrl(MAARTEN_CORPEL_GOOGLE_PLUS);
+        } else if (v == aleksandarTesicGooglePlus) {
+            openUrl(ALEKSANDAR_TESIC_GOOGLE_PLUS);
+        }
+    }
+
+    private void openUrl(String url) {
+        Intent i = new Intent(Intent.ACTION_VIEW);
+        i.setData(Uri.parse(url));
+        i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        startActivity(i);
     }
 }

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

@@ -7,14 +7,12 @@ import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.res.ColorStateList;
 import android.graphics.Color;
-import android.graphics.Paint;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.provider.MediaStore;
-import android.support.annotation.LayoutRes;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.design.widget.AppBarLayout;
@@ -27,30 +25,21 @@ import android.support.v4.view.ViewPager;
 import android.support.v4.widget.DrawerLayout;
 import android.support.v7.widget.Toolbar;
 import android.util.Log;
-import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
-import android.view.MotionEvent;
 import android.view.SubMenu;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ArrayAdapter;
 import android.widget.ImageView;
 import android.widget.TextView;
-import android.widget.Toast;
 
 import com.afollestad.materialcab.MaterialCab;
-import com.afollestad.materialdialogs.MaterialDialog;
 import com.afollestad.materialdialogs.ThemeSingleton;
-import com.anjlab.android.iab.v3.BillingProcessor;
-import com.anjlab.android.iab.v3.BillingProcessor.IBillingHandler;
-import com.anjlab.android.iab.v3.SkuDetails;
-import com.anjlab.android.iab.v3.TransactionDetails;
-import com.kabouzeid.gramophone.App;
 import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.adapter.PagerAdapter;
 import com.kabouzeid.gramophone.dialogs.ChangelogDialog;
 import com.kabouzeid.gramophone.dialogs.CreatePlaylistDialog;
+import com.kabouzeid.gramophone.dialogs.DonationDialog;
 import com.kabouzeid.gramophone.dialogs.SleepTimerDialog;
 import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
 import com.kabouzeid.gramophone.helper.SearchQueryHelper;
@@ -76,14 +65,12 @@ import com.sothree.slidinguppanel.SlidingUpPanelLayout;
 
 import java.io.File;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
 
 import butterknife.Bind;
 import butterknife.ButterKnife;
 
 public class MainActivity extends AbsSlidingMusicPanelActivity
-        implements KabViewsDisableAble, CabHolder, IBillingHandler {
+        implements KabViewsDisableAble, CabHolder {
 
     public static final String TAG = MainActivity.class.getSimpleName();
 
@@ -105,8 +92,6 @@ public class MainActivity extends AbsSlidingMusicPanelActivity
     private PagerAdapter pagerAdapter;
     private MaterialCab cab;
 
-    private BillingProcessor billingProcessor;
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -127,8 +112,6 @@ public class MainActivity extends AbsSlidingMusicPanelActivity
             setNavigationBarThemeColor();
         setStatusBarThemeColor();
 
-        billingProcessor = new BillingProcessor(this, App.GOOGLE_PLAY_LICENSE_KEY, this);
-
         checkChangelog();
     }
 
@@ -237,7 +220,7 @@ public class MainActivity extends AbsSlidingMusicPanelActivity
                         new Handler().postDelayed(new Runnable() {
                             @Override
                             public void run() {
-                                showDonationDialog();
+                                DonationDialog.create().show(getSupportFragmentManager(), "DONATION_DIALOG");
                             }
                         }, 300);
                         break;
@@ -598,124 +581,4 @@ public class MainActivity extends AbsSlidingMusicPanelActivity
             e.printStackTrace();
         }
     }
-
-    static class SkuDetailsAdapter extends ArrayAdapter<SkuDetails> {
-        @LayoutRes
-        private static int LAYOUT_RES_ID = R.layout.item_donation_option;
-
-        public SkuDetailsAdapter(@NonNull MainActivity mainActivity, @NonNull List<SkuDetails> objects) {
-            super(mainActivity, LAYOUT_RES_ID, objects);
-        }
-
-        @Override
-        public View getView(int position, View convertView, ViewGroup parent) {
-            if (convertView == null) {
-                convertView = LayoutInflater.from(getContext()).inflate(LAYOUT_RES_ID, parent, false);
-            }
-
-            SkuDetails skuDetails = getItem(position);
-            ViewHolder viewHolder = new ViewHolder(convertView);
-
-            viewHolder.title.setText(skuDetails.title.replace("(Phonograph Music Player)", "").trim());
-            viewHolder.text.setText(skuDetails.description);
-            viewHolder.price.setText(skuDetails.priceText);
-
-            final boolean purchased = ((MainActivity) getContext()).billingProcessor.isPurchased(skuDetails.productId);
-
-            int titleTextColor = purchased ? ColorUtil.resolveColor(getContext(), android.R.attr.textColorHint) : ColorUtil.resolveColor(getContext(), android.R.attr.textColorPrimary);
-            int contentTextColor = purchased ? titleTextColor : ColorUtil.resolveColor(getContext(), android.R.attr.textColorSecondary);
-
-            viewHolder.title.setTextColor(titleTextColor);
-            viewHolder.text.setTextColor(contentTextColor);
-            viewHolder.price.setTextColor(titleTextColor);
-
-            strikeThrough(viewHolder.title, purchased);
-            strikeThrough(viewHolder.text, purchased);
-            strikeThrough(viewHolder.price, purchased);
-
-            convertView.setOnTouchListener(new View.OnTouchListener() {
-                @Override
-                public boolean onTouch(View v, MotionEvent event) {
-                    return purchased;
-                }
-            });
-
-            return convertView;
-        }
-
-        private static void strikeThrough(TextView textView, boolean strikeThrough) {
-            textView.setPaintFlags(strikeThrough ? textView.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG : textView.getPaintFlags() & ~Paint.STRIKE_THRU_TEXT_FLAG);
-        }
-
-        static class ViewHolder {
-            @Bind(R.id.title)
-            TextView title;
-            @Bind(R.id.text)
-            TextView text;
-            @Bind(R.id.price)
-            TextView price;
-
-            public ViewHolder(View view) {
-                ButterKnife.bind(this, view);
-            }
-        }
-    }
-
-    private void showDonationDialog() {
-        billingProcessor.loadOwnedPurchasesFromGoogle();
-
-        final String[] ids = getResources().getStringArray(R.array.donation_ids);
-        List<SkuDetails> skuDetailsList = billingProcessor.getPurchaseListingDetails(new ArrayList<>(Arrays.asList(ids)));
-        if (skuDetailsList == null) return;
-
-        new MaterialDialog.Builder(this)
-                .title(R.string.support_development)
-                .adapter(new SkuDetailsAdapter(this, skuDetailsList), new MaterialDialog.ListCallback() {
-                    @Override
-                    public void onSelection(MaterialDialog materialDialog, View view, int i, CharSequence charSequence) {
-                        materialDialog.dismiss();
-                        donate(i);
-                    }
-                }).show();
-    }
-
-    private void donate(int i) {
-        final String[] ids = getResources().getStringArray(R.array.donation_ids);
-        billingProcessor.purchase(MainActivity.this, ids[i]);
-    }
-
-    @Override
-    public void onProductPurchased(String productId, TransactionDetails details) {
-        Toast.makeText(this, R.string.thank_you, Toast.LENGTH_SHORT).show();
-    }
-
-    @Override
-    public void onPurchaseHistoryRestored() {
-        // ignore
-    }
-
-    @Override
-    public void onBillingError(int errorCode, Throwable error) {
-        Log.e(TAG, "Billing error: code = " + errorCode, error);
-    }
-
-    @Override
-    public void onBillingInitialized() {
-        // ignore
-    }
-
-    @Override
-    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        if (!billingProcessor.handleActivityResult(requestCode, resultCode, data)) {
-            super.onActivityResult(requestCode, resultCode, data);
-        }
-    }
-
-    @Override
-    protected void onDestroy() {
-        if (billingProcessor != null) {
-            billingProcessor.release();
-        }
-        super.onDestroy();
-    }
 }

app/src/main/res/layout/card_support_development.xml

@@ -150,6 +150,48 @@
 
         </LinearLayout>
 
+        <LinearLayout
+            android:id="@+id/rate_on_google_play"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="?rect_selector"
+            android:clickable="true"
+            android:gravity="center_vertical"
+            android:minHeight="@dimen/md_listitem_height"
+            android:orientation="horizontal"
+            android:paddingLeft="16dp"
+            android:paddingRight="16dp">
+
+            <android.support.v7.internal.widget.TintImageView
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:src="@drawable/ic_play_shopping_bag_white_24dp"
+                android:tint="?android:textColorSecondary" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="32dp"
+                android:layout_marginStart="32dp"
+                android:orientation="vertical"
+                android:paddingBottom="8dp"
+                android:paddingTop="8dp">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/rate_on_google_play"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Subhead" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/rate_on_google_play_summary"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Caption" />
+            </LinearLayout>
+
+        </LinearLayout>
+
         <LinearLayout
             android:id="@+id/donate"
             android:layout_width="match_parent"

app/src/main/res/layout/dialog_donation.xml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:id="@+id/progress_container"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="end|center_vertical"
+        android:orientation="horizontal"
+        android:paddingBottom="@dimen/md_content_padding_top"
+        android:paddingLeft="@dimen/md_dialog_frame_margin"
+        android:paddingRight="@dimen/md_dialog_frame_margin"
+        android:paddingTop="@dimen/md_content_padding_top">
+
+        <ProgressBar
+            android:id="@+id/progress"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:indeterminate="true" />
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:fontFamily="sans-serif"
+            android:gravity="start"
+            android:paddingLeft="16dp"
+            android:text="@string/loading_products"
+            android:textAppearance="@style/TextAppearance.AppCompat.Subhead"
+            tools:ignore="RtlHardcoded,RtlSymmetry" />
+
+    </LinearLayout>
+
+    <ListView
+        android:id="@+id/list"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:clipToPadding="false"
+        android:divider="@null"
+        android:dividerHeight="0dp"
+        android:paddingBottom="@dimen/md_content_padding_bottom"
+        android:paddingTop="@dimen/md_content_padding_top"
+        android:scrollbarStyle="outsideOverlay"
+        android:visibility="gone" />
+
+</LinearLayout>

app/src/main/res/layout/item_donation_option.xml

@@ -2,6 +2,7 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="?rect_selector"
     android:orientation="horizontal"
     android:paddingBottom="@dimen/md_simplelistitem_padding_top"
     android:paddingEnd="@dimen/md_dialog_frame_margin"

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

@@ -175,6 +175,7 @@
     <string name="back">back</string>
     <string name="support_development">Support development</string>
     <string name="thank_you">Thank you!</string>
+    <string name="restored_previous_purchases">Restored previous purchases.</string>
     <string name="play_store_illustration_by">Play Store illustration by</string>
     <string name="version">Version</string>
     <string name="application">Application</string>
@@ -189,6 +190,8 @@
     <string name="join_community_summary">If you need help or have questions, the Phonograph community on Google Plus is a good place to go.</string>
     <string name="translate">Translate</string>
     <string name="translate_summary">Help translating Phonograph to your native language.</string>
+    <string name="rate_on_google_play">Rate</string>
+    <string name="rate_on_google_play_summary">Leave a positive rating on Google Play if you like Phonograph.</string>
     <string name="donate">Donate</string>
     <string name="donate_summary">If you think I deserve to get paid for my work, you can leave me a few dollars here.</string>
     <string name="aidan_follestad_summary">For the theme engine and some other great stuff.</string>
@@ -196,4 +199,5 @@
     <string name="maarten_corpel_summary">For making the Play Store illustration and the empty album cover.</string>
     <string name="aleksandar_tesic_summary">For helping me with the design.</string>
     <string name="website">Website</string>
+    <string name="loading_products">Loading products…</string>
 </resources>