remove google play dependencies and some jars

app/build.gradle

@@ -74,7 +74,7 @@ dependencies {
     implementation "com.android.support:support-v4:${versions.supportLib}"
     implementation "com.android.support:appcompat-v7:${versions.supportLib}"
     implementation "com.android.support:design:${versions.supportLib}"
-    implementation ':measure:'
+    implementation "javax.measure:jsr-275:0.9.1"
     implementation ':square-otto:1.3.9-SNAPSHOT'
     annotationProcessor ':square-otto:1.3.9-SNAPSHOT'
     annotationProcessor ':square-otto-compiler:1.3.9-SNAPSHOT'
@@ -85,9 +85,6 @@ dependencies {
     }
     implementation 'org.solovyev.android:checkout:1.2.1'
     implementation 'org.solovyev.android:material:0.1.4@aar'
-    implementation "com.google.android.gms:play-services-ads:${versions.gpsLib}"
-    implementation "com.google.android.gms:play-services-base:${versions.gpsLib}"
-    implementation "com.google.android.gms:play-services-analytics:${versions.gpsLib}"
     implementation(name: 'plotter', ext: 'aar')
     implementation 'com.google.guava:guava:20.0'
     implementation('org.simpleframework:simple-xml:2.6.1') {
@@ -108,7 +105,6 @@ dependencies {
     testImplementation 'org.robolectric:robolectric:3.5.1'
     testImplementation 'org.mockito:mockito-all:1.9.5'
     testImplementation 'org.skyscreamer:jsonassert:1.2.3'
-    testImplementation(name: 'org.apache.http.legacy', ext: 'jar')
 
     androidTestImplementation "com.android.support:support-annotations:${versions.supportLib}"
     androidTestImplementation'com.android.support.test:runner:1.0.2'
@@ -160,56 +156,3 @@ signing {
 group = "org.solovyev.android"
 version = android.defaultConfig.versionName
 
-uploadArchives {
-    repositories {
-        mavenDeployer {
-            beforeDeployment { MavenDeployment deployment ->
-                signing.signPom(deployment)
-                // for some reason Gradle :uploadArchives tries to upload null.txt.asc and null.map artifacts.
-                // As we don't want those let's filter them now (note that these files are not included in the
-                // list of project artifacts, so their origin is not clear)
-                def removeCond = { artifact -> return !artifact.classifier && (artifact.type == "map" || artifact.type == "txt.asc") }
-                deployment.artifacts.removeAll(removeCond)
-                deployment.attachedArtifacts.removeAll(removeCond)
-            }
-
-            repository(url: "https://oss.sonatype.org/service/local/staging/deploy/maven2/") {
-                authentication(userName: ossrhUsername, password: ossrhPassword)
-            }
-
-            snapshotRepository(url: "https://oss.sonatype.org/content/repositories/snapshots/") {
-                authentication(userName: ossrhUsername, password: ossrhPassword)
-            }
-
-            pom.project {
-                artifactId = 'calculatorpp-app'
-                name 'Calculator++ Application'
-                packaging 'apk'
-                description 'Calculator for Android'
-                url 'https://github.com/serso/android-calculatorpp'
-
-                scm {
-                    url 'https://github.com/serso/android-calculatorpp'
-                    connection 'scm:https://serso@github.com/serso/android-calculatorpp.git'
-                    developerConnection 'scm:git://github.com/serso/android-calculatorpp.git'
-                }
-
-                licenses {
-                    license {
-                        name 'The Apache Software License, Version 2.0'
-                        url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
-                        distribution 'repo'
-                    }
-                }
-
-                developers {
-                    developer {
-                        id 'se.solovyev'
-                        name 'Sergey Solovyev'
-                        email 'se.solovyev@gmail.com'
-                    }
-                }
-            }
-        }
-    }
-}

app/src/main/AndroidManifest.xml

@@ -27,10 +27,6 @@
         android:theme="@style/Cpp.Theme.Material"
         tools:ignore="GoogleAppIndexingWarning,UnusedAttribute">
 
-        <meta-data
-            android:name="com.google.android.gms.version"
-            android:value="@integer/google_play_services_version" />
-
         <activity
             android:name=".CalculatorActivity"
             android:clearTaskOnLaunch="true"

app/src/main/java/org/solovyev/android/calculator/AdView.java

@@ -1,149 +0,0 @@
-package org.solovyev.android.calculator;
-
-import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
-import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.Gravity;
-import android.view.View;
-import android.widget.FrameLayout;
-
-import com.google.android.gms.ads.AdListener;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.AdSize;
-
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-
-public class AdView extends FrameLayout {
-
-    @Nullable
-    private com.google.android.gms.ads.AdView admobView;
-    @Nullable
-    private AdView.AdViewListener admobListener;
-
-    public AdView(Context context) {
-        super(context);
-        init();
-    }
-
-    public AdView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        init();
-    }
-
-    public AdView(Context context, AttributeSet attrs, int defStyle) {
-        super(context, attrs, defStyle);
-        init();
-    }
-
-    private void init() {
-        setVisibility(GONE);
-        setId(R.id.cpp_ad);
-    }
-
-    public void destroy() {
-        destroyAdmobView();
-    }
-
-    private void destroyAdmobView() {
-        if (admobView != null) {
-            admobView.destroy();
-            admobView.setAdListener(null);
-            admobView = null;
-        }
-        if (admobListener != null) {
-            admobListener.destroy();
-            admobListener = null;
-        }
-    }
-
-    public void pause() {
-        if (admobView != null) {
-            admobView.pause();
-        }
-    }
-
-    public void resume() {
-        if (admobView != null) {
-            admobView.resume();
-        }
-    }
-
-    public void show() {
-        if (admobView != null) {
-            return;
-        }
-
-        admobView = addAdmobView();
-        admobListener = new AdView.AdViewListener(this);
-        admobView.setAdListener(admobListener);
-
-        final AdRequest.Builder b = new AdRequest.Builder();
-        b.addTestDevice(AdRequest.DEVICE_ID_EMULATOR);
-        if (BuildConfig.DEBUG) {
-            // LG Nexus 5
-            b.addTestDevice("B80E676D60CE6FDBE1B84A55464E3FE1");
-        }
-        admobView.loadAd(b.build());
-    }
-
-    @Nonnull
-    private com.google.android.gms.ads.AdView addAdmobView() {
-        final com.google.android.gms.ads.AdView v = new com.google.android.gms.ads.AdView(getContext());
-        v.setVisibility(GONE);
-        v.setAdSize(AdSize.SMART_BANNER);
-        v.setAdUnitId(getResources().getString(R.string.admob));
-        final LayoutParams lp = new LayoutParams(MATCH_PARENT, WRAP_CONTENT);
-        lp.gravity = Gravity.CENTER;
-        addView(v, lp);
-        return v;
-    }
-
-    public void hide() {
-        if (admobView == null) {
-            return;
-        }
-
-        setVisibility(GONE);
-
-        admobView.setVisibility(View.GONE);
-        admobView.pause();
-        destroyAdmobView();
-    }
-
-    private static class AdViewListener extends AdListener {
-
-        @Nullable
-        private AdView adView;
-
-        public AdViewListener(@Nonnull AdView adView) {
-            this.adView = adView;
-        }
-
-        void destroy() {
-            adView = null;
-        }
-
-        @Override
-        public void onAdFailedToLoad(int errorCode) {
-            if (adView != null) {
-                adView.hide();
-                adView = null;
-            }
-        }
-
-        @Override
-        public void onAdLoaded() {
-            if (adView != null) {
-                final com.google.android.gms.ads.AdView admobView = adView.admobView;
-                if (admobView != null) {
-                    admobView.setVisibility(View.VISIBLE);
-                }
-                adView.setVisibility(VISIBLE);
-                adView = null;
-            }
-        }
-    }
-}

app/src/main/java/org/solovyev/android/calculator/BaseActivity.java

@@ -26,7 +26,6 @@ import android.view.Window;
 import android.widget.TextView;
 
 import org.solovyev.android.Check;
-import org.solovyev.android.calculator.ga.Ga;
 import org.solovyev.android.calculator.language.Language;
 import org.solovyev.android.calculator.language.Languages;
 import org.solovyev.android.calculator.view.Tabs;
@@ -55,8 +54,6 @@ public abstract class BaseActivity extends AppCompatActivity implements SharedPr
     @Inject
     Calculator calculator;
     @Inject
-    Lazy<Ga> ga;
-    @Inject
     Typeface typeface;
     @BindView(R.id.main)
     ViewGroup mainView;
@@ -84,14 +81,6 @@ public abstract class BaseActivity extends AppCompatActivity implements SharedPr
         this.tabs = new Tabs(this);
     }
 
-    public void reportActivityStop(@Nonnull Activity activity) {
-        ga.get().getAnalytics().reportActivityStop(activity);
-    }
-
-    public void reportActivityStart(@Nonnull Activity activity) {
-        ga.get().getAnalytics().reportActivityStart(activity);
-    }
-
     public static void setFont(@Nonnull View view, @Nonnull Typeface newTypeface) {
         if (view instanceof TextView) {
             final TextView textView = (TextView) view;
@@ -209,18 +198,6 @@ public abstract class BaseActivity extends AppCompatActivity implements SharedPr
     protected void inject(@Nonnull AppComponent component) {
     }
 
-    @Override
-    protected void onStart() {
-        super.onStart();
-        reportActivityStart(this);
-    }
-
-    @Override
-    protected void onStop() {
-        reportActivityStop(this);
-        super.onStop();
-    }
-
     @Override
     public boolean onKeyUp(int keyCode, KeyEvent event) {
         if (keyCode == KeyEvent.KEYCODE_MENU && event.getRepeatCount() == 0) {

app/src/main/java/org/solovyev/android/calculator/BaseDialogFragment.java

@@ -16,9 +16,6 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.Button;
-import com.google.android.gms.analytics.HitBuilders;
-import com.google.android.gms.analytics.Tracker;
-import org.solovyev.android.calculator.ga.Ga;
 
 import javax.inject.Inject;
 
@@ -29,8 +26,6 @@ public abstract class BaseDialogFragment extends DialogFragment implements View.
     @Inject
     protected SharedPreferences preferences;
     @Inject
-    Ga ga;
-    @Inject
     Typeface typeface;
     @Nullable
     private Button positiveButton;
@@ -79,9 +74,6 @@ public abstract class BaseDialogFragment extends DialogFragment implements View.
     @Override
     public void onResume() {
         super.onResume();
-        final Tracker tracker = ga.getTracker();
-        tracker.setScreenName(getClass().getSimpleName());
-        tracker.send(new HitBuilders.ScreenViewBuilder().build());
     }
 
     protected void onShowDialog(@NonNull AlertDialog dialog, boolean firstTime) {

app/src/main/java/org/solovyev/android/calculator/BaseFragment.java

@@ -8,7 +8,6 @@ import android.support.annotation.NonNull;
 import android.support.annotation.StringRes;
 import android.support.v4.app.Fragment;
 import android.view.*;
-import org.solovyev.android.calculator.ads.AdUi;
 import org.solovyev.android.plotter.Check;
 
 import javax.annotation.Nonnull;
@@ -21,8 +20,6 @@ public abstract class BaseFragment extends Fragment {
 
     private final int layout;
     @Inject
-    AdUi adUi;
-    @Inject
     public Typeface typeface;
 
     protected BaseFragment(@LayoutRes int layout) {
@@ -31,13 +28,13 @@ public abstract class BaseFragment extends Fragment {
 
     @Nonnull
     public static MenuItem addMenu(@Nonnull ContextMenu menu, @StringRes int label,
-        @Nonnull MenuItem.OnMenuItemClickListener listener) {
+                                   @Nonnull MenuItem.OnMenuItemClickListener listener) {
         return menu.add(NONE, label, NONE, label).setOnMenuItemClickListener(listener);
     }
 
     @NonNull
     public static <P extends Parcelable> P getParcelable(@NonNull Bundle bundle,
-        @NonNull String key) {
+                                                         @NonNull String key) {
         final P parcelable = bundle.getParcelable(key);
         Check.isNotNull(parcelable);
         return parcelable;
@@ -47,7 +44,6 @@ public abstract class BaseFragment extends Fragment {
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         inject(cast(getActivity().getApplication()).getComponent());
-        adUi.onCreate();
     }
 
     protected void inject(@Nonnull AppComponent component) {
@@ -56,34 +52,9 @@ public abstract class BaseFragment extends Fragment {
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
-        Bundle savedInstanceState) {
+                             Bundle savedInstanceState) {
         final View view = inflater.inflate(layout, container, false);
-        adUi.onCreateView(view);
         BaseActivity.fixFonts(view, typeface);
         return view;
     }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        adUi.onResume();
-    }
-
-    @Override
-    public void onPause() {
-        adUi.onPause();
-        super.onPause();
-    }
-
-    @Override
-    public void onDestroyView() {
-        adUi.onDestroyView();
-        super.onDestroyView();
-    }
-
-    @Override
-    public void onDestroy() {
-        adUi.onDestroy();
-        super.onDestroy();
-    }
 }

app/src/main/java/org/solovyev/android/calculator/CalculatorApplication.java

@@ -33,7 +33,6 @@ import android.util.TimingLogger;
 import com.squareup.otto.Bus;
 
 import org.solovyev.android.calculator.floating.FloatingCalculatorActivity;
-import org.solovyev.android.calculator.ga.Ga;
 import org.solovyev.android.calculator.history.History;
 import org.solovyev.android.calculator.language.Language;
 import org.solovyev.android.calculator.language.Languages;
@@ -50,27 +49,6 @@ import jscl.MathEngine;
 
 public class CalculatorApplication extends android.app.Application implements SharedPreferences.OnSharedPreferenceChangeListener {
 
-    // delayed GA reporting in order to avoid initialization of GA on the main
-    // application thread and to postpone it as much as possible
-    private class GaInitializer extends AsyncTask<Void, Void, Ga> {
-        @NonNull
-        private final SharedPreferences prefs;
-
-        GaInitializer(@NonNull SharedPreferences prefs) {
-            this.prefs = prefs;
-        }
-
-        @Override
-        protected Ga doInBackground(Void... params) {
-            return ga.get();
-        }
-
-        @Override
-        protected void onPostExecute(@NonNull Ga ga) {
-            ga.reportInitially(prefs);
-        }
-    }
-
     @Inject
     @Named(AppModule.THREAD_INIT)
     Executor initThread;
@@ -114,9 +92,6 @@ public class CalculatorApplication extends android.app.Application implements Sh
     @Inject
     ActivityLauncher launcher;
 
-    @Inject
-    Lazy<Ga> ga;
-
     @Nonnull
     private final TimingLogger timer = new TimingLogger("App", "onCreate");
 
@@ -169,7 +144,6 @@ public class CalculatorApplication extends android.app.Application implements Sh
                 warmUpEngine();
             }
         });
-        new GaInitializer(prefs).executeOnExecutor(initThread);
     }
 
     private void warmUpEngine() {

app/src/main/java/org/solovyev/android/calculator/Keyboard.java

@@ -35,7 +35,6 @@ import com.squareup.otto.Subscribe;
 
 import org.solovyev.android.Check;
 import org.solovyev.android.calculator.buttons.CppSpecialButton;
-import org.solovyev.android.calculator.ga.Ga;
 import org.solovyev.android.calculator.history.History;
 import org.solovyev.android.calculator.math.MathType;
 import org.solovyev.android.calculator.memory.Memory;
@@ -70,8 +69,6 @@ public class Keyboard implements SharedPreferences.OnSharedPreferenceChangeListe
     @Inject
     Engine engine;
     @Inject
-    Lazy<Ga> ga;
-    @Inject
     Lazy<Clipboard> clipboard;
     @Inject
     ActivityLauncher launcher;
@@ -112,13 +109,11 @@ public class Keyboard implements SharedPreferences.OnSharedPreferenceChangeListe
             final char glyph = text.charAt(0);
             final CppSpecialButton button = CppSpecialButton.getByGlyph(glyph);
             if (button != null) {
-                ga.get().onButtonPressed(button.action);
                 handleSpecialAction(button);
                 return true;
             }
         }
 
-        ga.get().onButtonPressed(text);
         if (!processSpecialAction(text)) {
             processText(prepareText(text));
         }

app/src/main/java/org/solovyev/android/calculator/ads/AdUi.java

@@ -1,116 +0,0 @@
-package org.solovyev.android.calculator.ads;
-
-import static org.solovyev.android.checkout.ProductTypes.IN_APP;
-
-import android.os.Handler;
-import android.os.Looper;
-import android.support.annotation.NonNull;
-import android.view.View;
-
-import org.solovyev.android.calculator.AdView;
-import org.solovyev.android.calculator.R;
-import org.solovyev.android.checkout.CppCheckout;
-import org.solovyev.android.checkout.Inventory;
-
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import javax.inject.Inject;
-
-import butterknife.BindView;
-import butterknife.ButterKnife;
-
-public class AdUi {
-
-    @NonNull
-    private final CppCheckout checkout;
-    @NonNull
-    private final Handler handler;
-    @Nullable
-    @BindView(R.id.cpp_ad)
-    AdView adView;
-    @Nullable
-    private Boolean adFree = null;
-
-    @Inject
-    public AdUi(@NonNull CppCheckout checkout, @NonNull Handler handler) {
-        this.checkout = checkout;
-        this.handler = handler;
-    }
-
-    public void onCreate() {
-        checkout.start();
-    }
-
-    public void onResume() {
-        if (adView == null) {
-            return;
-        }
-        adView.resume();
-        if (adFree != null) {
-            updateAdView();
-        } else {
-            checkout.loadInventory(Inventory.Request.create().loadAllPurchases(),
-                    onMainThread(new Inventory.Callback() {
-                        @Override
-                        public void onLoaded(@Nonnull Inventory.Products products) {
-                            adFree = products.get(IN_APP).isPurchased("ad_free");
-                            updateAdView();
-                        }
-                    }));
-        }
-    }
-
-    private void updateAdView() {
-        if (adFree == null || adView == null) {
-            return;
-        }
-
-        if (adFree) {
-            adView.hide();
-        } else {
-            adView.show();
-        }
-    }
-
-    @Nonnull
-    private Inventory.Callback onMainThread(@Nonnull final Inventory.Callback callback) {
-        return new Inventory.Callback() {
-            @Override
-            public void onLoaded(@Nonnull final Inventory.Products products) {
-                if (handler.getLooper() == Looper.myLooper()) {
-                    callback.onLoaded(products);
-                    return;
-                }
-                handler.post(new Runnable() {
-                    @Override
-                    public void run() {
-                        callback.onLoaded(products);
-                    }
-                });
-            }
-        };
-    }
-
-    public void onCreateView(@NonNull View view) {
-        ButterKnife.bind(this, view);
-    }
-
-    public void onPause() {
-        adFree = null;
-        if (adView != null) {
-            adView.pause();
-        }
-    }
-
-    public void onDestroyView() {
-        if (adView == null) {
-            return;
-        }
-        adView.destroy();
-        adView = null;
-    }
-
-    public void onDestroy() {
-        checkout.stop();
-    }
-}

app/src/main/java/org/solovyev/android/calculator/floating/FloatingCalculatorService.java

@@ -36,7 +36,6 @@ import com.squareup.otto.Bus;
 import com.squareup.otto.Subscribe;
 import org.solovyev.android.Check;
 import org.solovyev.android.calculator.*;
-import org.solovyev.android.calculator.ga.Ga;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -59,8 +58,6 @@ public class FloatingCalculatorService extends Service implements FloatingViewLi
     @Inject
     Display display;
     @Inject
-    Ga ga;
-    @Inject
     SharedPreferences preferences;
 
     public static void show(@Nonnull Context context) {
@@ -139,7 +136,6 @@ public class FloatingCalculatorService extends Service implements FloatingViewLi
         if (isShowWindowIntent(intent)) {
             hideNotification();
             createView();
-            ga.onFloatingCalculatorOpened();
         } else if (isShowNotificationIntent(intent)) {
             showNotification();
         }

app/src/main/java/org/solovyev/android/calculator/ga/Ga.java

@@ -1,87 +0,0 @@
-package org.solovyev.android.calculator.ga;
-
-import android.app.Application;
-import android.content.SharedPreferences;
-import android.text.TextUtils;
-import com.google.android.gms.analytics.GoogleAnalytics;
-import com.google.android.gms.analytics.HitBuilders;
-import com.google.android.gms.analytics.Tracker;
-import org.solovyev.android.calculator.Preferences;
-import org.solovyev.android.calculator.R;
-
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import javax.inject.Inject;
-import javax.inject.Singleton;
-
-@Singleton
-public final class Ga implements SharedPreferences.OnSharedPreferenceChangeListener {
-
-    private static final int LAYOUT = 1;
-    private static final int THEME = 2;
-
-    @Nonnull
-    private final GoogleAnalytics analytics;
-
-    @Nonnull
-    private final Tracker tracker;
-
-    @Inject
-    public Ga(@Nonnull Application application, @Nonnull SharedPreferences preferences) {
-        analytics = GoogleAnalytics.getInstance(application);
-        tracker = analytics.newTracker(R.xml.ga);
-        preferences.registerOnSharedPreferenceChangeListener(this);
-    }
-
-    private void reportLayout(@Nonnull Preferences.Gui.Mode mode) {
-        tracker.send(new HitBuilders.EventBuilder().setCustomDimension(LAYOUT, mode.name()).build());
-    }
-
-    private void reportTheme(@Nonnull Preferences.Gui.Theme theme) {
-        tracker.send(new HitBuilders.EventBuilder().setCustomDimension(THEME, theme.name()).build());
-    }
-
-    @Nonnull
-    public GoogleAnalytics getAnalytics() {
-        return analytics;
-    }
-
-    @Nonnull
-    public Tracker getTracker() {
-        return tracker;
-    }
-
-    public void onButtonPressed(@Nullable String text) {
-        if (TextUtils.isEmpty(text)) {
-            return;
-        }
-
-        final HitBuilders.EventBuilder b = new HitBuilders.EventBuilder();
-        b.setCategory("ui");
-        b.setAction("click");
-        b.setLabel(text);
-        tracker.send(b.build());
-    }
-
-    @Override
-    public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
-        if (TextUtils.equals(key, Preferences.Gui.mode.getKey())) {
-            reportLayout(Preferences.Gui.mode.getPreferenceNoError(preferences));
-        } else if (TextUtils.equals(key, Preferences.Gui.theme.getKey())) {
-            reportTheme(Preferences.Gui.theme.getPreferenceNoError(preferences));
-        }
-    }
-
-    public void reportInitially(@Nonnull SharedPreferences preferences) {
-        reportLayout(Preferences.Gui.mode.getPreferenceNoError(preferences));
-        reportTheme(Preferences.Gui.theme.getPreferenceNoError(preferences));
-    }
-
-    public void onFloatingCalculatorOpened() {
-        final HitBuilders.EventBuilder b = new HitBuilders.EventBuilder();
-        b.setCategory("lifecycle");
-        b.setAction("floating_calculator");
-        b.setLabel("start");
-        tracker.send(b.build());
-    }
-}

app/src/main/java/org/solovyev/android/calculator/preferences/PreferencesFragment.java

@@ -22,7 +22,6 @@ import com.squareup.otto.Bus;
 import com.squareup.otto.Subscribe;
 
 import org.solovyev.android.calculator.ActivityLauncher;
-import org.solovyev.android.calculator.AdView;
 import org.solovyev.android.calculator.Engine;
 import org.solovyev.android.calculator.Preferences;
 import org.solovyev.android.calculator.Preferences.Gui.Theme;
@@ -52,8 +51,6 @@ import jscl.NumeralBase;
 public class PreferencesFragment extends org.solovyev.android.material.preferences.PreferencesFragment implements SharedPreferences.OnSharedPreferenceChangeListener {
 
     private static boolean SUPPORT_HEADERS = Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB;
-    @Nullable
-    private AdView adView;
     @Inject
     SharedPreferences preferences;
     @Inject
@@ -133,12 +130,10 @@ public class PreferencesFragment extends org.solovyev.android.material.preferenc
                             supportProject.setEnabled(!purchased);
                             supportProject.setSelectable(!purchased);
                         }
-                        onShowAd(!purchased);
                     }
 
                     @Override
                     public void onError(int i, @Nonnull Exception e) {
-                        onShowAd(false);
                     }
                 });
             }
@@ -386,30 +381,6 @@ public class PreferencesFragment extends org.solovyev.android.material.preferenc
         prepareNumberFormatExamplesPreference();
     }
 
-    @Override
-    public void onResume() {
-        super.onResume();
-        if (adView != null) {
-            adView.resume();
-        }
-    }
-
-    @Override
-    public void onPause() {
-        if (adView != null) {
-            adView.pause();
-        }
-        super.onPause();
-    }
-
-    @Override
-    public void onDestroyView() {
-        if (adView != null) {
-            adView.destroy();
-        }
-        super.onDestroyView();
-    }
-
     @Override
     public void onDestroy() {
         bus.unregister(this);
@@ -421,37 +392,4 @@ public class PreferencesFragment extends org.solovyev.android.material.preferenc
         return SUPPORT_HEADERS;
     }
 
-    protected void onShowAd(boolean show) {
-        if (!supportsHeaders()) {
-            return;
-        }
-        if (getView() == null) {
-            return;
-        }
-
-        final ListView listView = getListView();
-        if (show) {
-            if (adView != null) {
-                return;
-            }
-            adView = new AdView(getActivity());
-            adView.show();
-            try {
-                listView.addHeaderView(adView);
-            } catch (IllegalStateException e) {
-                // doesn't support header views
-                SUPPORT_HEADERS = false;
-                adView.hide();
-                adView = null;
-            }
-        } else {
-            if (adView == null) {
-                return;
-            }
-            listView.removeHeaderView(adView);
-            adView.hide();
-            adView = null;
-        }
-    }
-
 }

app/src/main/java/org/solovyev/android/calculator/preferences/PurchaseDialogActivity.java

@@ -36,7 +36,6 @@ import android.support.v7.app.AppCompatActivity;
 import org.solovyev.android.calculator.App;
 import org.solovyev.android.calculator.BaseDialogFragment;
 import org.solovyev.android.calculator.R;
-import org.solovyev.android.calculator.ga.Ga;
 import org.solovyev.android.checkout.ActivityCheckout;
 import org.solovyev.android.checkout.Billing;
 import org.solovyev.android.checkout.BillingRequests;
@@ -53,8 +52,6 @@ public class PurchaseDialogActivity extends AppCompatActivity implements Request
 
     @Inject
     Billing billing;
-    @Inject
-    Ga ga;
     ActivityCheckout checkout;
 
     @Override
@@ -72,18 +69,6 @@ public class PurchaseDialogActivity extends AppCompatActivity implements Request
         checkout.createPurchaseFlow(this);
     }
 
-    @Override
-    protected void onStart() {
-        super.onStart();
-        ga.getAnalytics().reportActivityStart(this);
-    }
-
-    @Override
-    protected void onStop() {
-        ga.getAnalytics().reportActivityStop(this);
-        super.onStop();
-    }
-
     private void purchase() {
         checkout.whenReady(new Checkout.EmptyListener() {
             @Override