Android: Analytics - Set new session after being closed for 6 hours

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/DolphinApplication.java

@@ -1,8 +1,6 @@
 package org.dolphinemu.dolphinemu;
 
 import android.app.Application;
-import android.content.SharedPreferences;
-import android.preference.PreferenceManager;
 
 import org.dolphinemu.dolphinemu.services.DirectoryInitializationService;
 import org.dolphinemu.dolphinemu.utils.PermissionsHandler;
@@ -10,18 +8,11 @@ import org.dolphinemu.dolphinemu.utils.VolleyUtil;
 
 public class DolphinApplication extends Application
 {
-	public static final String FIRST_OPEN = "FIRST_OPEN";
 	@Override
 	public void onCreate()
 	{
 		super.onCreate();
 
-		// Passed at emulation start to trigger first open event.
-		SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
-		SharedPreferences.Editor sPrefsEditor = preferences.edit();
-		sPrefsEditor.putBoolean(FIRST_OPEN, true);
-		sPrefsEditor.apply();
-
 		VolleyUtil.init(getApplicationContext());
 		System.loadLibrary("main");
 

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/EmulationFragment.java

@@ -16,7 +16,6 @@ import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.Toast;
 
-import org.dolphinemu.dolphinemu.DolphinApplication;
 import org.dolphinemu.dolphinemu.NativeLibrary;
 import org.dolphinemu.dolphinemu.R;
 import org.dolphinemu.dolphinemu.activities.EmulationActivity;
@@ -25,11 +24,10 @@ import org.dolphinemu.dolphinemu.services.DirectoryInitializationService;
 import org.dolphinemu.dolphinemu.services.DirectoryInitializationService.DirectoryInitializationState;
 import org.dolphinemu.dolphinemu.utils.DirectoryStateReceiver;
 import org.dolphinemu.dolphinemu.utils.Log;
+import org.dolphinemu.dolphinemu.utils.StartupHandler;
 
 import java.io.File;
 
-import rx.functions.Action1;
-
 public final class EmulationFragment extends Fragment implements SurfaceHolder.Callback
 {
 	private static final String KEY_GAMEPATH = "gamepath";
@@ -86,9 +84,9 @@ public final class EmulationFragment extends Fragment implements SurfaceHolder.C
 
 		String gamePath = getArguments().getString(KEY_GAMEPATH);
 		SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
-		boolean firstOpen = preferences.getBoolean(DolphinApplication.FIRST_OPEN, true);
+		boolean firstOpen = preferences.getBoolean(StartupHandler.NEW_SESSION, true);
 		SharedPreferences.Editor sPrefsEditor = preferences.edit();
-		sPrefsEditor.putBoolean(DolphinApplication.FIRST_OPEN, false);
+		sPrefsEditor.putBoolean(StartupHandler.NEW_SESSION, false);
 		sPrefsEditor.apply();
 		mEmulationState = new EmulationState(gamePath, getTemporaryStateFilePath(), firstOpen);
 	}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java

@@ -89,6 +89,20 @@ public final class MainActivity extends AppCompatActivity implements MainView
 		mPresenter.onDestroy();
 	}
 
+	@Override
+	protected void onStart()
+	{
+		super.onStart();
+		StartupHandler.checkSessionReset(this);
+	}
+
+	@Override
+	protected void onStop()
+	{
+		super.onStop();
+		StartupHandler.setSessionTime(this);
+	}
+
 	// TODO: Replace with a ButterKnife injection.
 	private void findViews()
 	{

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/TvMainActivity.java

@@ -72,6 +72,20 @@ public final class TvMainActivity extends FragmentActivity implements MainView
 		mPresenter.onDestroy();
 	}
 
+	@Override
+	protected void onStart()
+	{
+		super.onStart();
+		StartupHandler.checkSessionReset(this);
+	}
+
+	@Override
+	protected void onStop()
+	{
+		super.onStop();
+		StartupHandler.setSessionTime(this);
+	}
+
 	void setupUI() {
 		final FragmentManager fragmentManager = getSupportFragmentManager();
 		mBrowseFragment = new BrowseSupportFragment();

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/StartupHandler.java

@@ -1,14 +1,23 @@
 package org.dolphinemu.dolphinemu.utils;
 
+import android.content.Context;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.preference.PreferenceManager;
 import android.support.v4.app.FragmentActivity;
 import android.text.TextUtils;
 
 import org.dolphinemu.dolphinemu.activities.EmulationActivity;
 
+import java.util.Date;
+
 public final class StartupHandler
 {
+	public static final String NEW_SESSION = "NEW_SESSION";
+	public static final String LAST_CLOSED = "LAST_CLOSED";
+	public static final Long SESSION_TIMEOUT = 21600000L; // 6 hours in milliseconds
+
 	public static void HandleInit(FragmentActivity parent)
 	{
 		// Ask the user to grant write permission if it's not already granted
@@ -31,4 +40,33 @@ public final class StartupHandler
 			parent.finish();
 		}
 	}
+
+	/**
+	 * There isn't a good way to determine a new session. setSessionTime is called if the main
+	 * activity goes into the background.
+	 */
+	public static void setSessionTime(Context context)
+	{
+		SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
+		SharedPreferences.Editor sPrefsEditor = preferences.edit();
+		sPrefsEditor.putLong(LAST_CLOSED, new Date(System.currentTimeMillis()).getTime());
+		sPrefsEditor.apply();
+	}
+
+	/**
+	 * Called to determine if we treat this activity start as a new session.
+	 */
+	public static void checkSessionReset(Context context)
+	{
+		Long currentTime = new Date(System.currentTimeMillis()).getTime();
+		SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
+		Long lastOpen = preferences.getLong(LAST_CLOSED, 0);
+		if (currentTime > (lastOpen + SESSION_TIMEOUT))
+		{
+			// Passed at emulation start to trigger first open event.
+			SharedPreferences.Editor sPrefsEditor = preferences.edit();
+			sPrefsEditor.putBoolean(NEW_SESSION, true);
+			sPrefsEditor.apply();
+		}
+	}
 }