GA integration + Base activity

.idea/encodings.xml

@@ -1,10 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="Encoding" useUTFGuessing="true" native2AsciiForPropertiesFiles="false">
-    <file url="file://$PROJECT_DIR$/android-app-core-tests/build.gradle" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$" charset="UTF-8" />
-    <file url="file://$PROJECT_DIR$/android-app-core/src/main/java/org/solovyev/android/calculator/App.java" charset="UTF-8" />
-    <file url="file://$PROJECT_DIR$/android-app-core/src/main/java/org/solovyev/android/calculator/ServiceLocator.java" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/android-app-tests/build.gradle" charset="UTF-8" />
-    <file url="file://$PROJECT_DIR$/android-app-tests/src/test/java/org/solovyev/android/CalculatorTestRunner.java" charset="UTF-8" />
   </component>
 </project>

android-app/src/main/java/org/solovyev/android/calculator/ActivityUi.java

@@ -45,12 +45,7 @@ import org.solovyev.android.sherlock.tabs.ActionBarFragmentTabListener;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
-/**
+public class ActivityUi extends BaseUi {
- * User: serso
- * Date: 9/25/12
- * Time: 10:32 PM
- */
-public class CalculatorActivityHelperImpl extends AbstractCalculatorHelper implements CalculatorActivityHelper {
 
 	/*
 	**********************************************************************
@@ -80,18 +75,18 @@ public class CalculatorActivityHelperImpl extends AbstractCalculatorHelper imple
 
 	private int selectedNavigationIndex = 0;
 
-	public CalculatorActivityHelperImpl(int layoutId, @Nonnull String logTag) {
+	public ActivityUi(int layoutId, @Nonnull String logTag) {
 		super(logTag);
 		this.layoutId = layoutId;
 	}
 
-	public CalculatorActivityHelperImpl(int layoutId, boolean homeIcon) {
+	public ActivityUi(int layoutId, boolean homeIcon) {
 		this.layoutId = layoutId;
 		this.homeIcon = homeIcon;
 	}
 
 	@Override
-	public void onCreate(@Nonnull Activity activity, @Nullable Bundle savedInstanceState) {
+	public void onCreate(@Nonnull Activity activity) {
 		super.onCreate(activity);
 
 		if (activity instanceof CalculatorEventListener) {
@@ -112,13 +107,12 @@ public class CalculatorActivityHelperImpl extends AbstractCalculatorHelper imple
 			processButtons(activity, root);
 			addHelpInfo(activity, root);
 		} else {
-			Log.e(CalculatorActivityHelperImpl.class.getSimpleName(), "Root is null for " + activity.getClass().getName());
+			Log.e(ActivityUi.class.getSimpleName(), "Root is null for " + activity.getClass().getName());
 		}
 	}
 
-	@Override
+	public void onCreate(@Nonnull final SherlockFragmentActivity activity) {
-	public void onCreate(@Nonnull final SherlockFragmentActivity activity, @Nullable Bundle savedInstanceState) {
+		onCreate((Activity)activity);
-		this.onCreate((Activity) activity, savedInstanceState);
 
 		final ActionBar actionBar = activity.getSupportActionBar();
 		actionBar.setDisplayUseLogoEnabled(false);
@@ -153,16 +147,13 @@ public class CalculatorActivityHelperImpl extends AbstractCalculatorHelper imple
 		}
 	}
 
-	@Override
 	public void onSaveInstanceState(@Nonnull SherlockFragmentActivity activity, @Nonnull Bundle outState) {
 		onSaveInstanceState((Activity) activity, outState);
 	}
 
-	@Override
 	public void onSaveInstanceState(@Nonnull Activity activity, @Nonnull Bundle outState) {
 	}
 
-	@Override
 	public void onResume(@Nonnull Activity activity) {
 		final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
 
@@ -172,11 +163,9 @@ public class CalculatorActivityHelperImpl extends AbstractCalculatorHelper imple
 		}
 	}
 
-	@Override
 	public void onPause(@Nonnull Activity activity) {
 	}
 
-	@Override
 	public void onPause(@Nonnull SherlockFragmentActivity activity) {
 		onPause((Activity) activity);
 
@@ -204,12 +193,10 @@ public class CalculatorActivityHelperImpl extends AbstractCalculatorHelper imple
 		}
 	}
 
-	@Override
 	public void onDestroy(@Nonnull SherlockFragmentActivity activity) {
 		this.onDestroy((Activity) activity);
 	}
 
-	@Override
 	public void addTab(@Nonnull SherlockFragmentActivity activity,
 					   @Nonnull String tag,
 					   @Nonnull Class<? extends Fragment> fragmentClass,
@@ -227,12 +214,10 @@ public class CalculatorActivityHelperImpl extends AbstractCalculatorHelper imple
 		actionBar.addTab(tab);
 	}
 
-	@Override
 	public void addTab(@Nonnull SherlockFragmentActivity activity, @Nonnull CalculatorFragmentType fragmentType, @Nullable Bundle fragmentArgs, int parentViewId) {
 		addTab(activity, fragmentType.getFragmentTag(), fragmentType.getFragmentClass(), fragmentArgs, fragmentType.getDefaultTitleResId(), parentViewId);
 	}
 
-	@Override
 	public void setFragment(@Nonnull SherlockFragmentActivity activity, @Nonnull CalculatorFragmentType fragmentType, @Nullable Bundle fragmentArgs, int parentViewId) {
 		final FragmentManager fm = activity.getSupportFragmentManager();
 
@@ -252,7 +237,6 @@ public class CalculatorActivityHelperImpl extends AbstractCalculatorHelper imple
 		}
 	}
 
-	@Override
 	public void selectTab(@Nonnull SherlockFragmentActivity activity, @Nonnull CalculatorFragmentType fragmentType) {
 		final ActionBar actionBar = activity.getSupportActionBar();
 		for (int i = 0; i < actionBar.getTabCount(); i++) {
@@ -264,24 +248,20 @@ public class CalculatorActivityHelperImpl extends AbstractCalculatorHelper imple
 		}
 	}
 
-	@Override
 	public int getLayoutId() {
 		return layoutId;
 	}
 
-	@Override
 	@Nonnull
 	public CalculatorPreferences.Gui.Theme getTheme() {
 		return theme;
 	}
 
-	@Override
 	@Nonnull
 	public CalculatorPreferences.Gui.Layout getLayout() {
 		return layout;
 	}
 
-	@Override
 	public void onResume(@Nonnull SherlockFragmentActivity activity) {
 		onResume((Activity) activity);
 
@@ -346,4 +326,12 @@ public class CalculatorActivityHelperImpl extends AbstractCalculatorHelper imple
 			}
 		}
 	}
+
+	public void onStop(@Nonnull Activity activity) {
+		App.getGa().getAnalytics().reportActivityStop(activity);
+	}
+
+	public void onStart(@Nonnull Activity activity) {
+		App.getGa().getAnalytics().reportActivityStart(activity);
+	}
 }

android-app/src/main/java/org/solovyev/android/calculator/App.java

@@ -24,6 +24,7 @@ package org.solovyev.android.calculator;
 
 import android.app.Application;
 import org.solovyev.android.UiThreadExecutor;
+import org.solovyev.android.calculator.ga.Ga;
 import org.solovyev.common.listeners.JEvent;
 import org.solovyev.common.listeners.JEventListener;
 import org.solovyev.common.listeners.JEventListeners;
@@ -72,6 +73,9 @@ public final class App {
 	@Nonnull
 	private static CalculatorBroadcaster broadcaster;
 
+	@Nonnull
+	private static volatile Ga ga;
+
 	private App() {
 		throw new AssertionError();
 	}
@@ -100,6 +104,7 @@ public final class App {
 			App.application = application;
 			App.uiThreadExecutor = uiThreadExecutor;
 			App.eventBus = eventBus;
+			App.ga = new Ga(application, eventBus);
 			if (serviceLocator != null) {
 				App.locator = serviceLocator;
 			} else {
@@ -138,16 +143,6 @@ public final class App {
 		return (A) application;
 	}
 
-	/**
-	 * @param <L> real type of service locator
-	 * @return instance of service locator user in application
-	 */
-	@Nonnull
-	public static <L extends ServiceLocator> L getLocator() {
-		checkInit();
-		return (L) locator;
-	}
-
 	/**
 	 * Method returns executor which runs on Main Application's thread. It's safe to do all UI work on this executor
 	 *
@@ -172,4 +167,9 @@ public final class App {
 	public static CalculatorBroadcaster getBroadcaster() {
 		return broadcaster;
 	}
+
+	@Nonnull
+	public static Ga getGa() {
+		return ga;
+	}
 }

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

@@ -0,0 +1,73 @@
+package org.solovyev.android.calculator;
+
+import android.os.Bundle;
+import android.support.annotation.LayoutRes;
+import com.actionbarsherlock.app.SherlockFragmentActivity;
+
+import javax.annotation.Nonnull;
+
+public class BaseActivity extends SherlockFragmentActivity {
+
+	@Nonnull
+	protected final ActivityUi ui;
+
+	public BaseActivity(@Nonnull ActivityUi ui) {
+		this.ui = ui;
+	}
+
+	public BaseActivity(@LayoutRes int layout) {
+		this(layout, "Activity");
+	}
+
+	public BaseActivity(@LayoutRes int layout, @Nonnull String logTag) {
+		this.ui = CalculatorApplication.getInstance().createActivityHelper(layout, logTag);
+	}
+
+	@Nonnull
+	public ActivityUi getUi() {
+		return ui;
+	}
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		ui.onCreate(this);
+	}
+
+	@Override
+	protected void onSaveInstanceState(Bundle outState) {
+		super.onSaveInstanceState(outState);
+		ui.onSaveInstanceState(this, outState);
+	}
+
+	@Override
+	protected void onStart() {
+		super.onStart();
+		ui.onStart(this);
+	}
+
+	@Override
+	protected void onStop() {
+		ui.onStop(this);
+		super.onStop();
+	}
+
+	@Override
+	protected void onResume() {
+		super.onResume();
+		ui.onResume(this);
+	}
+
+	@Override
+	protected void onPause() {
+		this.ui.onPause(this);
+		super.onPause();
+	}
+
+
+	@Override
+	protected void onDestroy() {
+		super.onDestroy();
+		ui.onDestroy(this);
+	}
+}

android-app/src/main/java/org/solovyev/android/calculator/BaseUi.java

@@ -62,7 +62,7 @@ import static org.solovyev.android.calculator.model.AndroidCalculatorEngine.Pref
  * Date: 9/28/12
  * Time: 12:12 AM
  */
-public abstract class AbstractCalculatorHelper implements SharedPreferences.OnSharedPreferenceChangeListener {
+public abstract class BaseUi implements SharedPreferences.OnSharedPreferenceChangeListener {
 
 	@Nonnull
 	private static final List<Integer> viewIds = new ArrayList<Integer>(200);
@@ -88,10 +88,10 @@ public abstract class AbstractCalculatorHelper implements SharedPreferences.OnSh
 	@Nullable
 	private NumeralBasesButton clearButton;
 
-	protected AbstractCalculatorHelper() {
+	protected BaseUi() {
 	}
 
-	protected AbstractCalculatorHelper(@Nonnull String logTag) {
+	protected BaseUi(@Nonnull String logTag) {
 		this.logTag = logTag;
 	}
 

android-app/src/main/java/org/solovyev/android/calculator/CalculatorActivity.java

@@ -70,7 +70,7 @@ public class CalculatorActivity extends SherlockFragmentActivity implements Shar
 	private boolean useBackAsPrev;
 
 	@Nonnull
-	private CalculatorActivityHelper activityHelper;
+	private ActivityUi activityUi;
 
 	/**
 	 * Called when the activity is first created.
@@ -81,20 +81,20 @@ public class CalculatorActivity extends SherlockFragmentActivity implements Shar
 
 		final CalculatorPreferences.Gui.Layout layout = CalculatorPreferences.Gui.layout.getPreferenceNoError(preferences);
 
-		activityHelper = CalculatorApplication.getInstance().createActivityHelper(layout.getLayoutId(), TAG);
+		activityUi = CalculatorApplication.getInstance().createActivityHelper(layout.getLayoutId(), TAG);
-		activityHelper.logDebug("onCreate");
+		activityUi.logDebug("onCreate");
-		activityHelper.onCreate(this, savedInstanceState);
+		activityUi.onCreate(this);
 
 		super.onCreate(savedInstanceState);
-		activityHelper.logDebug("super.onCreate");
+		activityUi.logDebug("super.onCreate");
 
 		if (isMultiPane()) {
-			activityHelper.addTab(this, CalculatorFragmentType.history, null, R.id.main_second_pane);
+			activityUi.addTab(this, CalculatorFragmentType.history, null, R.id.main_second_pane);
-			activityHelper.addTab(this, CalculatorFragmentType.saved_history, null, R.id.main_second_pane);
+			activityUi.addTab(this, CalculatorFragmentType.saved_history, null, R.id.main_second_pane);
-			activityHelper.addTab(this, CalculatorFragmentType.variables, null, R.id.main_second_pane);
+			activityUi.addTab(this, CalculatorFragmentType.variables, null, R.id.main_second_pane);
-			activityHelper.addTab(this, CalculatorFragmentType.functions, null, R.id.main_second_pane);
+			activityUi.addTab(this, CalculatorFragmentType.functions, null, R.id.main_second_pane);
-			activityHelper.addTab(this, CalculatorFragmentType.operators, null, R.id.main_second_pane);
+			activityUi.addTab(this, CalculatorFragmentType.operators, null, R.id.main_second_pane);
-			activityHelper.addTab(this, CalculatorPlotActivity.getPlotterFragmentType(), null, R.id.main_second_pane);
+			activityUi.addTab(this, CalculatorPlotActivity.getPlotterFragmentType(), null, R.id.main_second_pane);
 		} else {
 			final ActionBar actionBar = getSupportActionBar();
 			if (Build.VERSION.SDK_INT <= GINGERBREAD_MR1 || (Build.VERSION.SDK_INT >= ICE_CREAM_SANDWICH && hasPermanentMenuKey())) {
@@ -127,6 +127,18 @@ public class CalculatorActivity extends SherlockFragmentActivity implements Shar
 		}
 	}
 
+	@Override
+	protected void onStart() {
+		super.onStart();
+		activityUi.onStart(this);
+	}
+
+	@Override
+	protected void onStop() {
+		activityUi.onStop(this);
+		super.onStop();
+	}
+
 	@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
 	private boolean hasPermanentMenuKey() {
 		return ViewConfiguration.get(this).hasPermanentMenuKey();
@@ -232,7 +244,7 @@ public class CalculatorActivity extends SherlockFragmentActivity implements Shar
 
 	@Override
 	protected void onPause() {
-		this.activityHelper.onPause(this);
+		this.activityUi.onPause(this);
 
 		super.onPause();
 	}
@@ -243,7 +255,7 @@ public class CalculatorActivity extends SherlockFragmentActivity implements Shar
 
 		final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
 		final CalculatorPreferences.Gui.Layout newLayout = CalculatorPreferences.Gui.layout.getPreference(preferences);
-		if (newLayout != activityHelper.getLayout()) {
+		if (newLayout != activityUi.getLayout()) {
 			Activities.restartActivity(this);
 		}
 
@@ -254,12 +266,12 @@ public class CalculatorActivity extends SherlockFragmentActivity implements Shar
 			window.clearFlags(FLAG_KEEP_SCREEN_ON);
 		}
 
-		this.activityHelper.onResume(this);
+		this.activityUi.onResume(this);
 	}
 
 	@Override
 	protected void onDestroy() {
-		activityHelper.onDestroy(this);
+		activityUi.onDestroy(this);
 
 		PreferenceManager.getDefaultSharedPreferences(this).unregisterOnSharedPreferenceChangeListener(this);
 
@@ -281,7 +293,7 @@ public class CalculatorActivity extends SherlockFragmentActivity implements Shar
 	protected void onSaveInstanceState(Bundle outState) {
 		super.onSaveInstanceState(outState);
 
-		activityHelper.onSaveInstanceState(this, outState);
+		activityUi.onSaveInstanceState(this, outState);
 	}
 
 	private void toggleOrientationChange(@Nullable SharedPreferences preferences) {
@@ -391,7 +403,7 @@ public class CalculatorActivity extends SherlockFragmentActivity implements Shar
 								// do nothing - fragment shown and already registered for plot updates
 							} else {
 								// otherwise - open fragment
-								activityHelper.selectTab(CalculatorActivity.this, CalculatorFragmentType.plotter);
+								activityUi.selectTab(CalculatorActivity.this, CalculatorFragmentType.plotter);
 							}
 						} else {
 							// start new activity

android-app/src/main/java/org/solovyev/android/calculator/CalculatorActivityHelper.java

@@ -1,95 +0,0 @@
-/*
- * Copyright 2013 serso aka se.solovyev
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * Contact details
- *
- * Email: se.solovyev@gmail.com
- * Site:  http://se.solovyev.org
- */
-
-package org.solovyev.android.calculator;
-
-import android.app.Activity;
-import android.os.Bundle;
-import android.support.v4.app.Fragment;
-import android.view.View;
-
-import com.actionbarsherlock.app.SherlockFragmentActivity;
-
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-
-/**
- * User: serso
- * Date: 9/25/12
- * Time: 10:31 PM
- */
-public interface CalculatorActivityHelper {
-
-	void onCreate(@Nonnull SherlockFragmentActivity activity, @Nullable Bundle savedInstanceState);
-
-	void onCreate(@Nonnull Activity activity, @Nullable Bundle savedInstanceState);
-
-	void onSaveInstanceState(@Nonnull SherlockFragmentActivity activity, @Nonnull Bundle outState);
-
-	void onSaveInstanceState(@Nonnull Activity activity, @Nonnull Bundle outState);
-
-	int getLayoutId();
-
-	@Nonnull
-	CalculatorPreferences.Gui.Theme getTheme();
-
-	@Nonnull
-	CalculatorPreferences.Gui.Layout getLayout();
-
-	void onResume(@Nonnull SherlockFragmentActivity activity);
-
-	void onResume(@Nonnull Activity activity);
-
-	void onPause(@Nonnull Activity activity);
-
-	void onPause(@Nonnull SherlockFragmentActivity activity);
-
-	void onDestroy(@Nonnull SherlockFragmentActivity activity);
-
-	void onDestroy(@Nonnull Activity activity);
-
-	void addTab(@Nonnull SherlockFragmentActivity activity,
-				@Nonnull String tag,
-				@Nonnull Class<? extends Fragment> fragmentClass,
-				@Nullable Bundle fragmentArgs,
-				int captionResId,
-				int parentViewId);
-
-	void addTab(@Nonnull SherlockFragmentActivity activity,
-				@Nonnull CalculatorFragmentType fragmentType,
-				@Nullable Bundle fragmentArgs,
-				int parentViewId);
-
-	void setFragment(@Nonnull SherlockFragmentActivity activity,
-					 @Nonnull CalculatorFragmentType fragmentType,
-					 @Nullable Bundle fragmentArgs,
-					 int parentViewId);
-
-
-	void logDebug(@Nonnull String message);
-
-	void processButtons(@Nonnull Activity activity, @Nonnull View root);
-
-	void logError(@Nonnull String message);
-
-	void selectTab(@Nonnull SherlockFragmentActivity activity, @Nonnull CalculatorFragmentType fragmentType);
-}

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

@@ -226,23 +226,23 @@ public class CalculatorApplication extends android.app.Application implements Sh
 	}
 
 	@Nonnull
-	public CalculatorActivityHelper createActivityHelper(int layoutResId, @Nonnull String logTag) {
+	public ActivityUi createActivityHelper(int layoutResId, @Nonnull String logTag) {
-		return new CalculatorActivityHelperImpl(layoutResId, logTag);
+		return new ActivityUi(layoutResId, logTag);
 	}
 
 	@Nonnull
-	public CalculatorFragmentHelper createFragmentHelper(int layoutId) {
+	public FragmentUi createFragmentHelper(int layoutId) {
-		return new CalculatorFragmentHelperImpl(layoutId);
+		return new FragmentUi(layoutId);
 	}
 
 	@Nonnull
-	public CalculatorFragmentHelper createFragmentHelper(int layoutId, int titleResId) {
+	public FragmentUi createFragmentHelper(int layoutId, int titleResId) {
-		return new CalculatorFragmentHelperImpl(layoutId, titleResId);
+		return new FragmentUi(layoutId, titleResId);
 	}
 
 	@Nonnull
-	public CalculatorFragmentHelper createFragmentHelper(int layoutId, int titleResId, boolean listenersOnCreate) {
+	public FragmentUi createFragmentHelper(int layoutId, int titleResId, boolean listenersOnCreate) {
-		return new CalculatorFragmentHelperImpl(layoutId, titleResId, listenersOnCreate);
+		return new FragmentUi(layoutId, titleResId, listenersOnCreate);
 	}
 
 	@Nonnull

android-app/src/main/java/org/solovyev/android/calculator/CalculatorDisplayFragment.java

@@ -41,7 +41,7 @@ import javax.annotation.Nonnull;
 public class CalculatorDisplayFragment extends SherlockFragment {
 
 	@Nonnull
-	private CalculatorFragmentHelper fragmentHelper;
+	private FragmentUi fragmentHelper;
 
 	@Override
 	public void onCreate(Bundle savedInstanceState) {

android-app/src/main/java/org/solovyev/android/calculator/CalculatorEditorFragment.java

@@ -49,7 +49,7 @@ import org.solovyev.android.sherlock.menu.SherlockMenuHelper;
 public class CalculatorEditorFragment extends SherlockFragment {
 
 	@Nonnull
-	private CalculatorFragmentHelper fragmentHelper;
+	private FragmentUi fragmentHelper;
 
 	@Nonnull
 	private ActivityMenu<Menu, MenuItem> menu = ListActivityMenu.fromEnum(CalculatorMenu.class, SherlockMenuHelper.getInstance());

android-app/src/main/java/org/solovyev/android/calculator/CalculatorFragment.java

@@ -40,7 +40,7 @@ import javax.annotation.Nonnull;
 public abstract class CalculatorFragment extends SherlockFragment {
 
 	@Nonnull
-	private final CalculatorFragmentHelper fragmentHelper;
+	private final FragmentUi fragmentHelper;
 
 	protected CalculatorFragment(int layoutResId, int titleResId) {
 		fragmentHelper = CalculatorApplication.getInstance().createFragmentHelper(layoutResId, titleResId);
@@ -50,7 +50,7 @@ public abstract class CalculatorFragment extends SherlockFragment {
 		fragmentHelper = CalculatorApplication.getInstance().createFragmentHelper(fragmentType.getDefaultLayoutId(), fragmentType.getDefaultTitleResId());
 	}
 
-	protected CalculatorFragment(@Nonnull CalculatorFragmentHelper fragmentHelper) {
+	protected CalculatorFragment(@Nonnull FragmentUi fragmentHelper) {
 		this.fragmentHelper = fragmentHelper;
 	}
 

android-app/src/main/java/org/solovyev/android/calculator/CalculatorFragmentActivity.java

@@ -1,89 +0,0 @@
-/*
- * Copyright 2013 serso aka se.solovyev
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * Contact details
- *
- * Email: se.solovyev@gmail.com
- * Site:  http://se.solovyev.org
- */
-
-package org.solovyev.android.calculator;
-
-import android.os.Bundle;
-
-import com.actionbarsherlock.app.SherlockFragmentActivity;
-
-import javax.annotation.Nonnull;
-
-/**
- * User: Solovyev_S
- * Date: 03.10.12
- * Time: 14:07
- */
-public abstract class CalculatorFragmentActivity extends SherlockFragmentActivity {
-
-	@Nonnull
-	private final CalculatorActivityHelper activityHelper;
-
-	protected CalculatorFragmentActivity() {
-		this(R.layout.main_empty);
-	}
-
-	protected CalculatorFragmentActivity(int layoutResId) {
-		this.activityHelper = CalculatorApplication.getInstance().createActivityHelper(layoutResId, getClass().getSimpleName());
-	}
-
-	@Nonnull
-	protected CalculatorActivityHelper getActivityHelper() {
-		return activityHelper;
-	}
-
-	@Override
-	protected void onCreate(Bundle savedInstanceState) {
-		super.onCreate(savedInstanceState);
-
-		activityHelper.onCreate(this, savedInstanceState);
-	}
-
-	@Override
-	protected void onSaveInstanceState(Bundle outState) {
-		super.onSaveInstanceState(outState);
-
-		activityHelper.onSaveInstanceState(this, outState);
-	}
-
-	@Override
-	protected void onResume() {
-		super.onResume();
-
-		activityHelper.onResume(this);
-	}
-
-	@Override
-	protected void onPause() {
-		this.activityHelper.onPause(this);
-
-		super.onPause();
-	}
-
-
-	@Override
-	protected void onDestroy() {
-		super.onDestroy();
-
-		activityHelper.onDestroy(this);
-	}
-}

android-app/src/main/java/org/solovyev/android/calculator/CalculatorKeyboardFragment.java

@@ -55,7 +55,7 @@ public class CalculatorKeyboardFragment extends SherlockFragment implements Shar
 	private CalculatorPreferences.Gui.Theme theme;
 
 	@Nonnull
-	private CalculatorFragmentHelper fragmentHelper;
+	private FragmentUi fragmentHelper;
 
 	@Override
 	public void onCreate(Bundle savedInstanceState) {

android-app/src/main/java/org/solovyev/android/calculator/CalculatorListFragment.java

@@ -40,7 +40,7 @@ import javax.annotation.Nonnull;
 public abstract class CalculatorListFragment extends SherlockListFragment {
 
 	@Nonnull
-	private final CalculatorFragmentHelper fragmentHelper;
+	private final FragmentUi fragmentHelper;
 
 	protected CalculatorListFragment(int layoutResId, int titleResId) {
 		fragmentHelper = CalculatorApplication.getInstance().createFragmentHelper(layoutResId, titleResId);
@@ -50,7 +50,7 @@ public abstract class CalculatorListFragment extends SherlockListFragment {
 		fragmentHelper = CalculatorApplication.getInstance().createFragmentHelper(fragmentType.getDefaultLayoutId(), fragmentType.getDefaultTitleResId());
 	}
 
-	protected CalculatorListFragment(@Nonnull CalculatorFragmentHelper fragmentHelper) {
+	protected CalculatorListFragment(@Nonnull FragmentUi fragmentHelper) {
 		this.fragmentHelper = fragmentHelper;
 	}
 

android-app/src/main/java/org/solovyev/android/calculator/CalculatorWikiActivity.java

@@ -30,7 +30,7 @@ import android.webkit.WebView;
  * Date: 6/16/13
  * Time: 6:26 PM
  */
-public final class CalculatorWikiActivity extends CalculatorFragmentActivity {
+public final class CalculatorWikiActivity extends EmptyActivity {
 
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {

android-app/src/main/java/org/solovyev/android/calculator/EmptyActivity.java

@@ -22,35 +22,13 @@
 
 package org.solovyev.android.calculator;
 
-import android.support.v4.app.Fragment;
+public abstract class EmptyActivity extends BaseActivity {
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
 
-import javax.annotation.Nonnull;
+	protected EmptyActivity() {
-import javax.annotation.Nullable;
+		this(R.layout.main_empty);
+	}
 
-/**
+	protected EmptyActivity(int layoutResId) {
- * User: serso
+		super(layoutResId);
- * Date: 9/26/12
+	}
- * Time: 10:14 PM
- */
-public interface CalculatorFragmentHelper {
-
-	boolean isPane(@Nonnull Fragment fragment);
-
-	void setPaneTitle(@Nonnull Fragment fragment, int titleResId);
-
-	void onCreate(@Nonnull Fragment fragment);
-
-	@Nonnull
-	View onCreateView(@Nonnull Fragment fragment, @Nonnull LayoutInflater inflater, @Nullable ViewGroup container);
-
-	void onViewCreated(@Nonnull Fragment fragment, @Nonnull View root);
-
-	void onResume(@Nonnull Fragment fragment);
-
-	void onPause(@Nonnull Fragment fragment);
-
-	void onDestroy(@Nonnull Fragment fragment);
 }

android-app/src/main/java/org/solovyev/android/calculator/FragmentUi.java

@@ -42,7 +42,7 @@ import static java.util.Arrays.asList;
  * Date: 9/26/12
  * Time: 10:14 PM
  */
-public class CalculatorFragmentHelperImpl extends AbstractCalculatorHelper implements CalculatorFragmentHelper {
+public class FragmentUi extends BaseUi {
 
 	private ActivityCheckout checkout;
 
@@ -58,22 +58,21 @@ public class CalculatorFragmentHelperImpl extends AbstractCalculatorHelper imple
 	@Nullable
 	private Boolean adFree = null;
 
-	public CalculatorFragmentHelperImpl(int layoutId) {
+	public FragmentUi(int layoutId) {
 		this.layoutId = layoutId;
 	}
 
-	public CalculatorFragmentHelperImpl(int layoutId, int titleResId) {
+	public FragmentUi(int layoutId, int titleResId) {
 		this.layoutId = layoutId;
 		this.titleResId = titleResId;
 	}
 
-	public CalculatorFragmentHelperImpl(int layoutId, int titleResId, boolean listenersOnCreate) {
+	public FragmentUi(int layoutId, int titleResId, boolean listenersOnCreate) {
 		this.layoutId = layoutId;
 		this.titleResId = titleResId;
 		this.listenersOnCreate = listenersOnCreate;
 	}
 
-	@Override
 	public boolean isPane(@Nonnull Fragment fragment) {
 		return fragment.getActivity() instanceof CalculatorActivity;
 	}
@@ -89,7 +88,6 @@ public class CalculatorFragmentHelperImpl extends AbstractCalculatorHelper imple
 		}
 	}
 
-	@Override
 	public void onCreate(@Nonnull Fragment fragment) {
 		final FragmentActivity activity = fragment.getActivity();
 		super.onCreate(activity);
@@ -104,7 +102,6 @@ public class CalculatorFragmentHelperImpl extends AbstractCalculatorHelper imple
 		checkout.start();
 	}
 
-	@Override
 	public void onResume(@Nonnull Fragment fragment) {
 		if (adView != null) {
 			adView.resume();
@@ -136,7 +133,6 @@ public class CalculatorFragmentHelperImpl extends AbstractCalculatorHelper imple
 		}
 	}
 
-	@Override
 	public void onPause(@Nonnull Fragment fragment) {
 		adFree = null;
 		if (adView != null) {
@@ -149,7 +145,6 @@ public class CalculatorFragmentHelperImpl extends AbstractCalculatorHelper imple
 		}
 	}
 
-	@Override
 	public void onViewCreated(@Nonnull Fragment fragment, @Nonnull View root) {
 		adView = (AdView) root.findViewById(R.id.ad);
 		final ViewGroup mainFragmentLayout = (ViewGroup) root.findViewById(R.id.main_fragment_layout);
@@ -170,7 +165,6 @@ public class CalculatorFragmentHelperImpl extends AbstractCalculatorHelper imple
 		}
 	}
 
-	@Override
 	public void onDestroy(@Nonnull Fragment fragment) {
 		if (adView != null) {
 			adView.destroy();
@@ -189,7 +183,6 @@ public class CalculatorFragmentHelperImpl extends AbstractCalculatorHelper imple
 	}
 
 	@Nonnull
-	@Override
 	public View onCreateView(@Nonnull Fragment fragment, @Nonnull LayoutInflater inflater, @Nullable ViewGroup container) {
 		return inflater.inflate(layoutId, container, false);
 	}

android-app/src/main/java/org/solovyev/android/calculator/about/CalculatorAboutActivity.java

@@ -23,25 +23,24 @@
 package org.solovyev.android.calculator.about;
 
 import android.os.Bundle;
-
+import org.solovyev.android.calculator.EmptyActivity;
-import javax.annotation.Nullable;
-
-import org.solovyev.android.calculator.CalculatorFragmentActivity;
 import org.solovyev.android.calculator.CalculatorFragmentType;
 import org.solovyev.android.calculator.R;
 
+import javax.annotation.Nullable;
+
 /**
  * User: serso
  * Date: 9/16/11
  * Time: 11:52 PM
  */
-public class CalculatorAboutActivity extends CalculatorFragmentActivity {
+public class CalculatorAboutActivity extends EmptyActivity {
 
 	@Override
 	public void onCreate(@Nullable Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 
-		getActivityHelper().addTab(this, CalculatorFragmentType.about, null, R.id.main_layout);
+		getUi().addTab(this, CalculatorFragmentType.about, null, R.id.main_layout);
-		getActivityHelper().addTab(this, CalculatorFragmentType.release_notes, null, R.id.main_layout);
+		getUi().addTab(this, CalculatorFragmentType.release_notes, null, R.id.main_layout);
 	}
 }

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

@@ -0,0 +1,50 @@
+package org.solovyev.android.calculator.ga;
+
+import android.content.Context;
+import android.util.Log;
+import com.google.android.gms.analytics.GoogleAnalytics;
+import com.google.android.gms.analytics.Tracker;
+import org.solovyev.android.calculator.R;
+import org.solovyev.common.listeners.JEvent;
+import org.solovyev.common.listeners.JEventListener;
+import org.solovyev.common.listeners.JEventListeners;
+
+import javax.annotation.Nonnull;
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+
+public final class Ga {
+
+	@Nonnull
+	private final GoogleAnalytics analytics;
+
+	@Nonnull
+	private final Tracker tracker;
+
+	public Ga(@Nonnull Context context, @Nonnull JEventListeners<JEventListener<? extends JEvent>, JEvent> bus) {
+		analytics = GoogleAnalytics.getInstance(context);
+		tracker = analytics.newTracker(R.xml.ga);
+	}
+
+	@Nonnull
+	private String getStackTrace(@Nonnull Exception e) {
+		try {
+			final ByteArrayOutputStream out = new ByteArrayOutputStream();
+			e.printStackTrace(new PrintStream(out));
+			return new String(out.toByteArray());
+		} catch (Exception e1) {
+			Log.e("Ga", e1.getMessage(), e1);
+		}
+		return "";
+	}
+
+	@Nonnull
+	public GoogleAnalytics getAnalytics() {
+		return analytics;
+	}
+
+	@Nonnull
+	public Tracker getTracker() {
+		return tracker;
+	}
+}

android-app/src/main/java/org/solovyev/android/calculator/history/AbstractCalculatorHistoryFragment.java

@@ -108,7 +108,7 @@ public abstract class AbstractCalculatorHistoryFragment extends SherlockListFrag
 	private HistoryArrayAdapter adapter;
 
 	@Nonnull
-	private CalculatorFragmentHelper fragmentHelper;
+	private FragmentUi fragmentHelper;
 
 	private final ActivityMenu<Menu, MenuItem> menu = ListActivityMenu.fromResource(R.menu.history_menu, HistoryMenu.class, SherlockMenuHelper.getInstance(), new HistoryMenuFilter());
 

android-app/src/main/java/org/solovyev/android/calculator/history/CalculatorHistoryActivity.java

@@ -23,64 +23,26 @@
 package org.solovyev.android.calculator.history;
 
 import android.os.Bundle;
-
+import org.solovyev.android.calculator.*;
-import com.actionbarsherlock.app.SherlockFragmentActivity;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
-import org.solovyev.android.calculator.*;
-
 import static org.solovyev.android.calculator.CalculatorFragmentType.history;
 import static org.solovyev.android.calculator.CalculatorFragmentType.saved_history;
 
-/**
+public class CalculatorHistoryActivity extends BaseActivity implements CalculatorEventListener {
- * User: serso
- * Date: 12/18/11
- * Time: 7:37 PM
- */
-public class CalculatorHistoryActivity extends SherlockFragmentActivity implements CalculatorEventListener {
 
-	@Nonnull
+	public CalculatorHistoryActivity() {
-	private final CalculatorActivityHelper activityHelper = CalculatorApplication.getInstance().createActivityHelper(R.layout.main_empty, CalculatorHistoryActivity.class.getSimpleName());
+		super(R.layout.main_empty, CalculatorHistoryActivity.class.getSimpleName());
+	}
 
 	@Override
 	public void onCreate(@Nullable Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 
-		activityHelper.onCreate(this, savedInstanceState);
+		ui.addTab(this, history, null, R.id.main_layout);
-
+		ui.addTab(this, saved_history, null, R.id.main_layout);
-		activityHelper.addTab(this, history, null, R.id.main_layout);
-		activityHelper.addTab(this, saved_history, null, R.id.main_layout);
-	}
-
-	@Override
-	protected void onSaveInstanceState(Bundle outState) {
-		super.onSaveInstanceState(outState);
-
-		activityHelper.onSaveInstanceState(this, outState);
-	}
-
-	@Override
-	protected void onResume() {
-		super.onResume();
-
-		activityHelper.onResume(this);
-	}
-
-	@Override
-	protected void onPause() {
-		this.activityHelper.onPause(this);
-
-		super.onPause();
-	}
-
-
-	@Override
-	protected void onDestroy() {
-		super.onDestroy();
-
-		activityHelper.onDestroy(this);
 	}
 
 	@Override
@@ -89,9 +51,4 @@ public class CalculatorHistoryActivity extends SherlockFragmentActivity implemen
 			this.finish();
 		}
 	}
-
-	@Nonnull
-	CalculatorActivityHelper getActivityHelper() {
-		return activityHelper;
-	}
 }

android-app/src/main/java/org/solovyev/android/calculator/history/HistoryArrayAdapter.java

@@ -99,7 +99,7 @@ public class HistoryArrayAdapter extends ArrayAdapter<CalculatorHistoryState> {
 						final Context context = getContext();
 						if (context instanceof CalculatorHistoryActivity) {
 							final CalculatorHistoryActivity activity = (CalculatorHistoryActivity) context;
-							activity.getActivityHelper().selectTab(activity, saved_history);
+							activity.getUi().selectTab(activity, saved_history);
 						}
 					}
 				});

android-app/src/main/java/org/solovyev/android/calculator/math/edit/AbstractMathEntityListFragment.java

@@ -33,7 +33,6 @@ import android.widget.ArrayAdapter;
 import android.widget.ListView;
 import android.widget.TextView;
 
-import java.util.Arrays;
 import java.util.Comparator;
 import java.util.List;
 
@@ -44,7 +43,7 @@ import org.solovyev.android.calculator.CalculatorApplication;
 import org.solovyev.android.calculator.CalculatorEventData;
 import org.solovyev.android.calculator.CalculatorEventListener;
 import org.solovyev.android.calculator.CalculatorEventType;
-import org.solovyev.android.calculator.CalculatorFragmentHelper;
+import org.solovyev.android.calculator.FragmentUi;
 import org.solovyev.android.calculator.CalculatorFragmentType;
 import org.solovyev.android.calculator.CalculatorMathRegistry;
 import org.solovyev.android.calculator.Locator;
@@ -96,7 +95,7 @@ public abstract class AbstractMathEntityListFragment<T extends MathEntity> exten
 	private String category;
 
 	@Nonnull
-	private final CalculatorFragmentHelper fragmentHelper;
+	private final FragmentUi fragmentHelper;
 
 	@Nonnull
 	private final Handler uiHandler = new Handler();

android-app/src/main/java/org/solovyev/android/calculator/math/edit/CalculatorFunctionsActivity.java

@@ -25,31 +25,21 @@ package org.solovyev.android.calculator.math.edit;
 import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
-
+import org.solovyev.android.calculator.*;
-import com.actionbarsherlock.app.SherlockFragmentActivity;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
-import org.solovyev.android.calculator.*;
+public class CalculatorFunctionsActivity extends BaseActivity implements CalculatorEventListener {
-import org.solovyev.android.calculator.history.CalculatorHistoryActivity;
 
-/**
+	public CalculatorFunctionsActivity() {
- * User: serso
+		super(R.layout.main_empty, CalculatorFunctionsActivity.class.getSimpleName());
- * Date: 12/21/11
+	}
- * Time: 10:33 PM
- */
-public class CalculatorFunctionsActivity extends SherlockFragmentActivity implements CalculatorEventListener {
-
-	@Nonnull
-	private final CalculatorActivityHelper activityHelper = CalculatorApplication.getInstance().createActivityHelper(R.layout.main_empty, CalculatorHistoryActivity.class.getSimpleName());
 
 	@Override
 	public void onCreate(@Nullable Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 
-		activityHelper.onCreate(this, savedInstanceState);
-
 		final Bundle bundle;
 
 		final Intent intent = getIntent();
@@ -74,41 +64,11 @@ public class CalculatorFunctionsActivity extends SherlockFragmentActivity implem
 					fragmentParameters = AbstractMathEntityListFragment.createBundleFor(category.name());
 				}
 
-				activityHelper.addTab(this, fragmentType.createSubFragmentTag(category.name()), fragmentType.getFragmentClass(), fragmentParameters, androidCategory.getCaptionId(), R.id.main_layout);
+				ui.addTab(this, fragmentType.createSubFragmentTag(category.name()), fragmentType.getFragmentClass(), fragmentParameters, androidCategory.getCaptionId(), R.id.main_layout);
 			} else {
 				Log.e(CalculatorFunctionsActivity.class.getSimpleName(), "Unable to find android function category for " + category);
 			}
 		}
-
-	}
-
-	@Override
-	protected void onSaveInstanceState(Bundle outState) {
-		super.onSaveInstanceState(outState);
-
-		activityHelper.onSaveInstanceState(this, outState);
-	}
-
-	@Override
-	protected void onResume() {
-		super.onResume();
-
-		activityHelper.onResume(this);
-	}
-
-	@Override
-	protected void onPause() {
-		this.activityHelper.onPause(this);
-
-		super.onPause();
-	}
-
-
-	@Override
-	protected void onDestroy() {
-		super.onDestroy();
-
-		this.activityHelper.onDestroy(this);
 	}
 
 	@Override

android-app/src/main/java/org/solovyev/android/calculator/math/edit/CalculatorOperatorsActivity.java

@@ -23,72 +23,33 @@
 package org.solovyev.android.calculator.math.edit;
 
 import android.os.Bundle;
-
+import org.solovyev.android.calculator.*;
-import com.actionbarsherlock.app.SherlockFragmentActivity;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
-import org.solovyev.android.calculator.*;
+public class CalculatorOperatorsActivity extends BaseActivity implements CalculatorEventListener {
-import org.solovyev.android.calculator.history.CalculatorHistoryActivity;
 
-/**
+	public CalculatorOperatorsActivity() {
- * User: serso
+		super(R.layout.main_empty, CalculatorOperatorsActivity.class.getSimpleName());
- * Date: 12/21/11
+	}
- * Time: 10:33 PM
- */
-public class CalculatorOperatorsActivity extends SherlockFragmentActivity implements CalculatorEventListener {
-
-	@Nonnull
-	private final CalculatorActivityHelper activityHelper = CalculatorApplication.getInstance().createActivityHelper(R.layout.main_empty, CalculatorHistoryActivity.class.getSimpleName());
 
 	@Override
 	public void onCreate(@Nullable Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 
-		activityHelper.onCreate(this, savedInstanceState);
-
 		final CalculatorFragmentType fragmentType = CalculatorFragmentType.operators;
 
 		for (OperatorCategory category : OperatorCategory.getCategoriesByTabOrder()) {
 			final AndroidOperatorCategory androidCategory = AndroidOperatorCategory.valueOf(category);
 			if (androidCategory != null) {
-				activityHelper.addTab(this, fragmentType.createSubFragmentTag(category.name()), fragmentType.getFragmentClass(), AbstractMathEntityListFragment.createBundleFor(category.name()), androidCategory.getCaptionId(), R.id.main_layout);
+				ui.addTab(this, fragmentType.createSubFragmentTag(category.name()), fragmentType.getFragmentClass(), AbstractMathEntityListFragment.createBundleFor(category.name()), androidCategory.getCaptionId(), R.id.main_layout);
 			} else {
-				activityHelper.logError("Unable to find android operator category for " + category);
+				ui.logError("Unable to find android operator category for " + category);
 			}
 		}
 	}
 
-	@Override
-	protected void onSaveInstanceState(Bundle outState) {
-		super.onSaveInstanceState(outState);
-
-		activityHelper.onSaveInstanceState(this, outState);
-	}
-
-	@Override
-	protected void onResume() {
-		super.onResume();
-
-		activityHelper.onResume(this);
-	}
-
-	@Override
-	protected void onPause() {
-		this.activityHelper.onPause(this);
-
-		super.onPause();
-	}
-
-
-	@Override
-	protected void onDestroy() {
-		super.onDestroy();
-
-		this.activityHelper.onDestroy(this);
-	}
-
 	@Override
 	public void onCalculatorEvent(@Nonnull CalculatorEventData calculatorEventData, @Nonnull CalculatorEventType calculatorEventType, @Nullable Object data) {
 		switch (calculatorEventType) {

android-app/src/main/java/org/solovyev/android/calculator/math/edit/CalculatorVarsActivity.java

@@ -24,31 +24,21 @@ package org.solovyev.android.calculator.math.edit;
 
 import android.content.Intent;
 import android.os.Bundle;
-
+import org.solovyev.android.calculator.*;
-import com.actionbarsherlock.app.SherlockFragmentActivity;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
-import org.solovyev.android.calculator.*;
+public class CalculatorVarsActivity extends BaseActivity implements CalculatorEventListener {
-import org.solovyev.android.calculator.history.CalculatorHistoryActivity;
 
-/**
+	public CalculatorVarsActivity() {
- * User: serso
+		super(R.layout.main_empty, CalculatorVarsActivity.class.getSimpleName());
- * Date: 12/21/11
+	}
- * Time: 11:05 PM
- */
-public class CalculatorVarsActivity extends SherlockFragmentActivity implements CalculatorEventListener {
-
-	@Nonnull
-	private final CalculatorActivityHelper activityHelper = CalculatorApplication.getInstance().createActivityHelper(R.layout.main_empty, CalculatorHistoryActivity.class.getSimpleName());
 
 	@Override
 	public void onCreate(@Nullable Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 
-		activityHelper.onCreate(this, savedInstanceState);
-
 		final Bundle bundle;
 
 		final Intent intent = getIntent();
@@ -75,43 +65,13 @@ public class CalculatorVarsActivity extends SherlockFragmentActivity implements
 			final AndroidVarCategory androidVarCategory = AndroidVarCategory.valueOf(category);
 
 			if (androidVarCategory != null) {
-				activityHelper.addTab(this, fragmentType.createSubFragmentTag(category.name()), fragmentType.getFragmentClass(), fragmentParameters, androidVarCategory.getCaptionId(), R.id.main_layout);
+				ui.addTab(this, fragmentType.createSubFragmentTag(category.name()), fragmentType.getFragmentClass(), fragmentParameters, androidVarCategory.getCaptionId(), R.id.main_layout);
 			} else {
-				activityHelper.logError("Unable to find android var category for " + category);
+				ui.logError("Unable to find android var category for " + category);
 			}
-
 		}
 	}
 
-	@Override
-	protected void onSaveInstanceState(Bundle outState) {
-		super.onSaveInstanceState(outState);
-
-		activityHelper.onSaveInstanceState(this, outState);
-	}
-
-	@Override
-	protected void onResume() {
-		super.onResume();
-
-		activityHelper.onResume(this);
-	}
-
-	@Override
-	protected void onPause() {
-		this.activityHelper.onPause(this);
-
-		super.onPause();
-	}
-
-
-	@Override
-	protected void onDestroy() {
-		super.onDestroy();
-
-		this.activityHelper.onDestroy(this);
-	}
-
 	@Override
 	public void onCalculatorEvent(@Nonnull CalculatorEventData calculatorEventData, @Nonnull CalculatorEventType calculatorEventType, @Nullable Object data) {
 		switch (calculatorEventType) {

android-app/src/main/java/org/solovyev/android/calculator/matrix/CalculatorMatrixActivity.java

@@ -24,7 +24,7 @@ package org.solovyev.android.calculator.matrix;
 
 import android.os.Bundle;
 
-import org.solovyev.android.calculator.CalculatorFragmentActivity;
+import org.solovyev.android.calculator.EmptyActivity;
 import org.solovyev.android.calculator.CalculatorFragmentType;
 import org.solovyev.android.calculator.R;
 
@@ -35,13 +35,13 @@ import static com.actionbarsherlock.app.ActionBar.NAVIGATION_MODE_STANDARD;
  * Date: 12.10.12
  * Time: 10:56
  */
-public class CalculatorMatrixActivity extends CalculatorFragmentActivity {
+public class CalculatorMatrixActivity extends EmptyActivity {
 
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 
 		getSupportActionBar().setNavigationMode(NAVIGATION_MODE_STANDARD);
-		getActivityHelper().setFragment(this, CalculatorFragmentType.matrix_edit, null, R.id.main_layout);
+		getUi().setFragment(this, CalculatorFragmentType.matrix_edit, null, R.id.main_layout);
 	}
 }

android-app/src/main/java/org/solovyev/android/calculator/model/AndroidMathEntityDao.java

@@ -29,10 +29,10 @@ import android.content.res.Resources;
 import android.preference.PreferenceManager;
 import org.simpleframework.xml.Serializer;
 import org.simpleframework.xml.core.Persister;
-import org.solovyev.android.calculator.App;
 import org.solovyev.android.calculator.MathEntityDao;
 import org.solovyev.android.calculator.MathEntityPersistenceContainer;
 import org.solovyev.android.calculator.MathPersistenceEntity;
+import org.solovyev.android.calculator.R;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -111,7 +111,7 @@ public class AndroidMathEntityDao<T extends MathPersistenceEntity> implements Ma
 	public String getDescription(@Nonnull String descriptionId) {
 		final Resources resources = context.getResources();
 
-		final int stringId = resources.getIdentifier(descriptionId, "string", App.getApplication().getClass().getPackage().getName());
+		final int stringId = resources.getIdentifier(descriptionId, "string", R.class.getPackage().getName());
 		try {
 			return resources.getString(stringId);
 		} catch (Resources.NotFoundException e) {

android-app/src/main/java/org/solovyev/android/calculator/plot/CalculatorPlotActivity.java

@@ -25,7 +25,7 @@ package org.solovyev.android.calculator.plot;
 import android.content.Intent;
 import android.os.Bundle;
 
-import org.solovyev.android.calculator.CalculatorFragmentActivity;
+import org.solovyev.android.calculator.EmptyActivity;
 import org.solovyev.android.calculator.CalculatorFragmentType;
 import org.solovyev.android.calculator.R;
 
@@ -39,7 +39,7 @@ import static com.actionbarsherlock.app.ActionBar.NAVIGATION_MODE_STANDARD;
  * Date: 9/30/12
  * Time: 4:56 PM
  */
-public class CalculatorPlotActivity extends CalculatorFragmentActivity {
+public class CalculatorPlotActivity extends EmptyActivity {
 
 	@Override
 	public void onCreate(@Nullable Bundle savedInstanceState) {
@@ -55,7 +55,7 @@ public class CalculatorPlotActivity extends CalculatorFragmentActivity {
 		}
 
 		getSupportActionBar().setNavigationMode(NAVIGATION_MODE_STANDARD);
-		getActivityHelper().setFragment(this, getPlotterFragmentType(), arguments, R.id.main_layout);
+		getUi().setFragment(this, getPlotterFragmentType(), arguments, R.id.main_layout);
 	}
 
 	@Nonnull

android-app/src/main/res/xml/ga.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+	<string name="ga_trackingId">UA-28724009-2</string>
+	<bool name="ga_reportUncaughtExceptions">true</bool>
+	<bool name="ga_autoActivityTracking">true</bool>
+</resources>