diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index db70a4b5..a8ede513 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -43,18 +43,33 @@
 
         <activity
             android:name=".ui.modules.user.UserPagerView"
+            android:excludeFromRecents="true"
             android:label="@string/user"
-            android:excludeFromRecents="true"/>
+            android:parentActivityName=".ui.modules.main.MainView">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".ui.modules.main.MainView"/>
+        </activity>
 
         <activity
             android:name=".ui.modules.repos.RepoPagerView"
+            android:excludeFromRecents="true"
             android:label="@string/repo"
-            android:excludeFromRecents="true"/>
+            android:parentActivityName=".ui.modules.main.MainView">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".ui.modules.main.MainView"/>
+        </activity>
 
         <activity
             android:name=".ui.modules.repos.issues.issue.details.IssuePagerView"
+            android:excludeFromRecents="true"
             android:label="@string/issue"
-            android:excludeFromRecents="true"/>
+            android:parentActivityName=".ui.modules.repos.RepoPagerView">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".ui.modules.repos.RepoPagerView"/>
+        </activity>
         <activity
             android:name=".ui.modules.repos.issues.create.CreateIssueView"
             android:configChanges="keyboard|orientation|screenSize"
@@ -63,19 +78,34 @@
 
         <activity
             android:name=".ui.modules.repos.pull_requests.pull_request.details.PullRequestPagerView"
+            android:excludeFromRecents="true"
             android:label="@string/pull_request"
-            android:excludeFromRecents="true"/>
+            android:parentActivityName=".ui.modules.repos.RepoPagerView">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".ui.modules.repos.RepoPagerView"/>
+        </activity>
 
         <activity
             android:name=".ui.modules.repos.code.commit.details.CommitPagerView"
+            android:excludeFromRecents="true"
             android:label="@string/commit"
-            android:excludeFromRecents="true"/>
+            android:parentActivityName=".ui.modules.repos.RepoPagerView">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".ui.modules.repos.RepoPagerView"/>
+        </activity>
 
         <activity
             android:name=".ui.modules.code.CodeViewerView"
             android:configChanges="keyboard|orientation|screenSize"
+            android:excludeFromRecents="true"
             android:label="@string/viewer"
-            android:excludeFromRecents="true"/>
+            android:parentActivityName=".ui.modules.main.MainView">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".ui.modules.main.MainView"/>
+        </activity>
 
         <activity
             android:name=".ui.modules.editor.EditorView"
@@ -91,15 +121,25 @@
 
         <activity
             android:name=".ui.modules.gists.gist.GistView"
+            android:excludeFromRecents="true"
             android:label="@string/gist"
-            android:excludeFromRecents="true"/>
+            android:parentActivityName=".ui.modules.main.MainView">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".ui.modules.main.MainView"/>
+        </activity>
 
         <activity android:name=".ui.modules.search.SearchView"/>
 
         <activity
             android:name=".ui.modules.notification.NotificationActivityView"
+            android:excludeFromRecents="true"
             android:label="@string/notifictions"
-            android:excludeFromRecents="true"/>
+            android:parentActivityName=".ui.modules.main.MainView">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".ui.modules.main.MainView"/>
+        </activity>
 
         <activity
             android:name=".ui.modules.parser.LinksParserActivity"
diff --git a/app/src/main/java/com/fastaccess/provider/scheme/SchemeParser.java b/app/src/main/java/com/fastaccess/provider/scheme/SchemeParser.java
index 530d7fd6..cf30da78 100644
--- a/app/src/main/java/com/fastaccess/provider/scheme/SchemeParser.java
+++ b/app/src/main/java/com/fastaccess/provider/scheme/SchemeParser.java
@@ -35,11 +35,8 @@ public class SchemeParser {
     private static final String PROTOCOL_HTTPS = "https";
 
     public static void launchUri(@NonNull Context context, @NonNull Intent data) {
-        Intent intent = convert(context, data);
-        if (intent != null) {
-            context.startActivity(intent);
-        } else {
-            ActivityHelper.forceOpenInBrowser(context, data.getData());
+        if (data.getData() != null) {
+            launchUri(context, data.getData());
         }
     }
 
diff --git a/app/src/main/java/com/fastaccess/provider/scheme/StackBuilderSchemeParser.java b/app/src/main/java/com/fastaccess/provider/scheme/StackBuilderSchemeParser.java
new file mode 100644
index 00000000..9bd18b8d
--- /dev/null
+++ b/app/src/main/java/com/fastaccess/provider/scheme/StackBuilderSchemeParser.java
@@ -0,0 +1,278 @@
+package com.fastaccess.provider.scheme;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v4.app.TaskStackBuilder;
+import android.text.TextUtils;
+
+import com.annimon.stream.Optional;
+import com.annimon.stream.Stream;
+import com.fastaccess.helper.ActivityHelper;
+import com.fastaccess.helper.InputHelper;
+import com.fastaccess.ui.modules.code.CodeViewerView;
+import com.fastaccess.ui.modules.gists.gist.GistView;
+import com.fastaccess.ui.modules.main.MainView;
+import com.fastaccess.ui.modules.repos.RepoPagerView;
+import com.fastaccess.ui.modules.repos.code.commit.details.CommitPagerView;
+import com.fastaccess.ui.modules.repos.issues.issue.details.IssuePagerView;
+import com.fastaccess.ui.modules.repos.pull_requests.pull_request.details.PullRequestPagerView;
+import com.fastaccess.ui.modules.user.UserPagerView;
+
+import java.util.List;
+
+import static android.content.Intent.ACTION_VIEW;
+
+/**
+ * Created by Kosh on 09 Dec 2016, 4:44 PM
+ */
+
+public class StackBuilderSchemeParser {
+    private static final String HOST_DEFAULT = "github.com";
+    private static final String HOST_GISTS = "gist.github.com";
+    private static final String RAW_AUTHORITY = "raw.githubusercontent.com";
+    private static final String API_AUTHORITY = "api.github.com";
+    private static final String PROTOCOL_HTTPS = "https";
+
+    public static void launchUri(@NonNull Context context, @NonNull Intent data) {
+        if (data.getData() != null) {
+            launchUri(context, data.getData());
+        }
+    }
+
+    public static void launchUri(@NonNull Context context, @NonNull Uri data) {
+        TaskStackBuilder intent = convert(context, data);
+        if (intent != null) {
+            intent.startActivities();
+        } else {
+            ActivityHelper.forceOpenInBrowser(context, data);
+        }
+    }
+
+    @Nullable private static TaskStackBuilder convert(@NonNull Context context, final Intent intent) {
+        if (intent == null) return null;
+        if (!ACTION_VIEW.equals(intent.getAction())) return null;
+        Uri data = intent.getData();
+        return convert(context, data);
+    }
+
+    @Nullable private static TaskStackBuilder convert(@NonNull Context context, Uri data) {
+        if (data == null) return null;
+        if (InputHelper.isEmpty(data.getHost()) || InputHelper.isEmpty(data.getScheme())) {
+            String host = data.getHost();
+            if (InputHelper.isEmpty(host)) host = HOST_DEFAULT;
+            String scheme = data.getScheme();
+            if (InputHelper.isEmpty(scheme)) scheme = PROTOCOL_HTTPS;
+            String prefix = scheme + "://" + host;
+            String path = data.getPath();
+            if (!InputHelper.isEmpty(path)) {
+                if (path.charAt(0) == '/') {
+                    data = Uri.parse(prefix + path);
+                } else {
+                    data = Uri.parse(prefix + '/' + path);
+                }
+            } else {
+                data = Uri.parse(prefix);
+            }
+        }
+
+        return getIntentForURI(context, data);
+    }
+
+    @Nullable private static TaskStackBuilder getIntentForURI(@NonNull Context context, @NonNull Uri data) {
+        if (HOST_GISTS.equals(data.getHost())) {
+            String gist = getGistId(data);
+            if (gist != null) {
+                return TaskStackBuilder.create(context)
+                        .addParentStack(MainView.class)
+                        .addNextIntent(GistView.createIntent(context, gist));
+            }
+        } else {
+            String authority = data.getAuthority();
+            if (TextUtils.equals(authority, HOST_DEFAULT) || TextUtils.equals(authority, RAW_AUTHORITY) ||
+                    TextUtils.equals(authority, API_AUTHORITY)) {
+                TaskStackBuilder userIntent = getUser(context, data);
+                TaskStackBuilder pullRequestIntent = getPullRequestIntent(context, data);
+                TaskStackBuilder issueIntent = getIssueIntent(context, data);
+                TaskStackBuilder repoIntent = getRepo(context, data);
+                TaskStackBuilder commit = getCommit(context, data);
+                TaskStackBuilder commits = getCommits(context, data);
+                TaskStackBuilder blob = getBlob(context, data);
+                Optional<TaskStackBuilder> intentOptional = returnNonNull(userIntent, pullRequestIntent, commit, commits,
+                        issueIntent, repoIntent, blob);
+                Optional<TaskStackBuilder> empty = Optional.empty();
+                if (intentOptional != null && intentOptional.isPresent() && intentOptional != empty) {
+                    return intentOptional.get();
+                } else {
+                    return getGeneralRepo(context, data);
+                }
+            }
+        }
+        return null;
+    }
+
+    @Nullable private static TaskStackBuilder getPullRequestIntent(@NonNull Context context, @NonNull Uri uri) {
+        List<String> segments = uri.getPathSegments();
+        if (segments == null || segments.size() < 4) return null;
+        String owner;
+        String repo;
+        String number;
+        if ("pull".equals(segments.get(2))) {
+            owner = segments.get(0);
+            repo = segments.get(1);
+            number = segments.get(3);
+        } else if ("pull".equals(segments.get(3))) {//notifications url.
+            owner = segments.get(1);
+            repo = segments.get(2);
+            number = segments.get(4);
+        } else {
+            return null;
+        }
+        if (InputHelper.isEmpty(number))
+            return null;
+        int issueNumber;
+        try {
+            issueNumber = Integer.parseInt(number);
+        } catch (NumberFormatException nfe) {
+            return null;
+        }
+        if (issueNumber < 1) return null;
+        return TaskStackBuilder.create(context)
+                .addNextIntentWithParentStack(RepoPagerView.createIntent(context, repo, owner))
+                .addNextIntent(PullRequestPagerView.createIntent(context, repo, owner, issueNumber));
+    }
+
+    @Nullable private static TaskStackBuilder getIssueIntent(@NonNull Context context, @NonNull Uri uri) {
+        List<String> segments = uri.getPathSegments();
+        if (segments == null || segments.size() < 4) return null;
+        String owner;
+        String repo;
+        String number;
+        if ("issues".equals(segments.get(2))) {
+            owner = segments.get(0);
+            repo = segments.get(1);
+            number = segments.get(3);
+        } else if ("issues".equals(segments.get(3))) {//notifications url.
+            owner = segments.get(1);
+            repo = segments.get(2);
+            number = segments.get(4);
+        } else {
+            return null;
+        }
+        if (InputHelper.isEmpty(number))
+            return null;
+        int issueNumber;
+        try {
+            issueNumber = Integer.parseInt(number);
+        } catch (NumberFormatException nfe) {
+            return null;
+        }
+        if (issueNumber < 1) return null;
+        return TaskStackBuilder.create(context)
+                .addNextIntentWithParentStack(RepoPagerView.createIntent(context, repo, owner))
+                .addNextIntent(IssuePagerView.createIntent(context, repo, owner, issueNumber));
+    }
+
+    @Nullable private static TaskStackBuilder getRepo(@NonNull Context context, @NonNull Uri uri) {
+        List<String> segments = uri.getPathSegments();
+        if (segments == null || segments.size() < 2 || segments.size() > 2) return null;
+        String owner = segments.get(0);
+        String repoName = segments.get(1);
+        return TaskStackBuilder.create(context)
+                .addParentStack(MainView.class)
+                .addNextIntent(RepoPagerView.createIntent(context, repoName, owner));
+    }
+
+    /**
+     * [[k0shk0sh, FastHub, issues], k0shk0sh/fastHub/(issues,pulls,commits, etc)]
+     */
+    @Nullable private static TaskStackBuilder getGeneralRepo(@NonNull Context context, @NonNull Uri uri) {
+        //TODO parse deeper links to their associate views. meantime fallback to repoPage
+        if (uri.getAuthority().equals(HOST_DEFAULT) || uri.getAuthority().equals(API_AUTHORITY)) {
+            List<String> segments = uri.getPathSegments();
+            if (segments == null || segments.isEmpty()) return null;
+            if (segments.size() == 1) {
+                return getUser(context, uri);
+            } else if (segments.size() > 1) {
+                String owner = segments.get(0);
+                String repoName = segments.get(1);
+                return TaskStackBuilder.create(context)
+                        .addParentStack(MainView.class)
+                        .addNextIntent(RepoPagerView.createIntent(context, repoName, owner));
+            }
+        }
+        return null;
+    }
+
+    @Nullable private static TaskStackBuilder getCommits(@NonNull Context context, @NonNull Uri uri) {
+        List<String> segments = uri.getPathSegments();
+        if (segments == null || segments.isEmpty() || segments.size() < 4) return null;
+        if (segments.get(3).equals("commits")) {
+            String login = segments.get(1);
+            String repoId = segments.get(2);
+            String sha = segments.get(4);
+            return TaskStackBuilder.create(context)
+                    .addNextIntentWithParentStack(RepoPagerView.createIntent(context, repoId, login))
+                    .addNextIntent(CommitPagerView.createIntent(context, repoId, login, sha));
+        }
+        return null;
+    }
+
+    @Nullable private static TaskStackBuilder getCommit(@NonNull Context context, @NonNull Uri uri) {
+        List<String> segments = uri.getPathSegments();
+        if (segments == null || segments.size() < 4 || !"commit".equals(segments.get(2))) return null;
+        String login = segments.get(0);
+        String repoId = segments.get(1);
+        String sha = segments.get(3);
+        return TaskStackBuilder.create(context)
+                .addNextIntentWithParentStack(RepoPagerView.createIntent(context, repoId, login))
+                .addNextIntent(CommitPagerView.createIntent(context, repoId, login, sha));
+    }
+
+    @Nullable private static TaskStackBuilder getUser(@NonNull Context context, @NonNull Uri uri) {
+        List<String> segments = uri.getPathSegments();
+        if (segments != null && !segments.isEmpty() && segments.size() == 1) {
+            return TaskStackBuilder.create(context)
+                    .addParentStack(MainView.class)
+                    .addNextIntent(UserPagerView.createIntent(context, segments.get(0)));
+        }
+        return null;
+    }
+
+    @Nullable private static TaskStackBuilder getBlob(@NonNull Context context, @NonNull Uri uri) {
+        List<String> segments = uri.getPathSegments();
+        if (segments == null || segments.size() < 4) return null;
+        String segmentTwo = segments.get(2);
+        if (segmentTwo.equals("blob") || segmentTwo.equals("tree")) {
+            String fullUrl = uri.toString();
+            if (uri.getAuthority().equalsIgnoreCase(HOST_DEFAULT)) {
+                fullUrl = "https://" + RAW_AUTHORITY + "/" + segments.get(0) + "/" + segments.get(1) + "/" +
+                        segments.get(segments.size() - 2) + "/" + uri.getLastPathSegment();
+            }
+            if (fullUrl != null) {
+                return TaskStackBuilder.create(context)
+                        .addParentStack(MainView.class)
+                        .addNextIntent(CodeViewerView.createIntent(context, fullUrl));
+            }
+        } else {
+            String authority = uri.getAuthority();
+            if (TextUtils.equals(authority, RAW_AUTHORITY)) {
+                return TaskStackBuilder.create(context)
+                        .addParentStack(MainView.class)
+                        .addNextIntent(CodeViewerView.createIntent(context, uri.toString()));
+            }
+        }
+        return null;
+    }
+
+    @SafeVarargs private static <T> Optional<T> returnNonNull(T... t) {
+        return Stream.of(t).filter(value -> value != null).findFirst();
+    }
+
+    @Nullable private static String getGistId(@NonNull Uri uri) {
+        List<String> segments = uri.getPathSegments();
+        return segments != null && !segments.isEmpty() ? segments.get(0) : null;
+    }
+}
diff --git a/app/src/main/java/com/fastaccess/provider/tasks/NotificationJobTask.java b/app/src/main/java/com/fastaccess/provider/tasks/NotificationJobTask.java
index a6fa6d9f..66b043ed 100644
--- a/app/src/main/java/com/fastaccess/provider/tasks/NotificationJobTask.java
+++ b/app/src/main/java/com/fastaccess/provider/tasks/NotificationJobTask.java
@@ -7,6 +7,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v4.app.TaskStackBuilder;
 import android.support.v7.app.NotificationCompat;
 
 import com.annimon.stream.Stream;
@@ -16,6 +17,7 @@ import com.fastaccess.data.dao.NotificationThreadModel;
 import com.fastaccess.helper.BundleConstant;
 import com.fastaccess.helper.PrefGetter;
 import com.fastaccess.provider.rest.RestProvider;
+import com.fastaccess.ui.modules.main.MainView;
 import com.fastaccess.ui.modules.notification.NotificationActivityView;
 import com.firebase.jobdispatcher.Constraint;
 import com.firebase.jobdispatcher.FirebaseJobDispatcher;
@@ -87,10 +89,12 @@ public class NotificationJobTask extends JobService {
                 .count();
         if (count > 0) {
             Context context = getApplicationContext();
+            TaskStackBuilder taskStackBuilder = TaskStackBuilder.create(context);
+            taskStackBuilder.addParentStack(MainView.class);
             Intent intent = new Intent(this, NotificationActivityView.class);
             intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-            PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent,
-                    PendingIntent.FLAG_UPDATE_CURRENT);
+            taskStackBuilder.addNextIntent(intent);
+            PendingIntent pendingIntent = taskStackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
             Notification notification = new NotificationCompat.Builder(context)
                     .setSmallIcon(R.drawable.ic_announcement)
                     .setContentTitle(context.getString(R.string.notifictions))
diff --git a/app/src/main/java/com/fastaccess/ui/modules/parser/LinksParserActivity.java b/app/src/main/java/com/fastaccess/ui/modules/parser/LinksParserActivity.java
index de20a89a..896e5afb 100644
--- a/app/src/main/java/com/fastaccess/ui/modules/parser/LinksParserActivity.java
+++ b/app/src/main/java/com/fastaccess/ui/modules/parser/LinksParserActivity.java
@@ -8,7 +8,7 @@ import android.widget.Toast;
 
 import com.fastaccess.R;
 import com.fastaccess.data.dao.LoginModel;
-import com.fastaccess.provider.scheme.SchemeParser;
+import com.fastaccess.provider.scheme.StackBuilderSchemeParser;
 import com.fastaccess.ui.modules.login.LoginView;
 
 /**
@@ -46,7 +46,7 @@ public class LinksParserActivity extends Activity {
     }
 
     private void onUriReceived() {
-        SchemeParser.launchUri(this, getIntent());
+        StackBuilderSchemeParser.launchUri(this, getIntent());
         finish();
     }
 }
diff --git a/app/src/main/java/com/fastaccess/ui/modules/repos/issues/issue/details/IssuePagerView.java b/app/src/main/java/com/fastaccess/ui/modules/repos/issues/issue/details/IssuePagerView.java
index ffcc7e1a..495423ae 100644
--- a/app/src/main/java/com/fastaccess/ui/modules/repos/issues/issue/details/IssuePagerView.java
+++ b/app/src/main/java/com/fastaccess/ui/modules/repos/issues/issue/details/IssuePagerView.java
@@ -242,10 +242,6 @@ public class IssuePagerView extends BaseActivity<IssuePagerMvp.View, IssuePagerP
         getPresenter().onPutLabels(labels);
     }
 
-    @Override public void onBackPressed() {
-        super.onBackPressed();
-    }
-
     private void hideShowFab() {
         if (getPresenter().isLocked() && !getPresenter().isOwner()) {
             fab.hide();