SearchUsersResultActivity is added.

11 files changed, 281 insertions, 21 deletions

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 910d92b6..4cd7c035 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -32,7 +32,9 @@
         android:theme="@style/AppTheme"
         android:usesCleartextTraffic="true"
         tools:replace="android:label">
-        <activity android:name=".activities.PostFilterUsageListingActivity"
+        <activity android:name=".activities.SearchUsersResultActivity"></activity>
+        <activity
+            android:name=".activities.PostFilterUsageListingActivity"
             android:parentActivityName=".activities.SettingsActivity"
             android:theme="@style/AppTheme.NoActionBar" />
         <activity
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java b/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java
index 45b0eba0..d2797aad 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java
@@ -33,6 +33,7 @@ import ml.docilealligator.infinityforreddit.activities.RulesActivity;
 import ml.docilealligator.infinityforreddit.activities.SearchActivity;
 import ml.docilealligator.infinityforreddit.activities.SearchResultActivity;
 import ml.docilealligator.infinityforreddit.activities.SearchSubredditsResultActivity;
+import ml.docilealligator.infinityforreddit.activities.SearchUsersResultActivity;
 import ml.docilealligator.infinityforreddit.activities.SelectUserFlairActivity;
 import ml.docilealligator.infinityforreddit.activities.SelectedSubredditsActivity;
 import ml.docilealligator.infinityforreddit.activities.SendPrivateMessageActivity;
@@ -236,4 +237,6 @@ public interface AppComponent {
     void inject(PostFilterPreferenceActivity postFilterPreferenceActivity);
 
     void inject(PostFilterUsageListingActivity postFilterUsageListingActivity);
+
+    void inject(SearchUsersResultActivity searchUsersResultActivity);
 }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchResultActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchResultActivity.java
index f58d010f..2b5b2141 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchResultActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchResultActivity.java
@@ -692,7 +692,7 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
                     SubredditListingFragment mFragment = new SubredditListingFragment();
                     Bundle bundle = new Bundle();
                     bundle.putString(SubredditListingFragment.EXTRA_QUERY, mQuery);
-                    bundle.putBoolean(SubredditListingFragment.EXTRA_IS_POSTING, false);
+                    bundle.putBoolean(SubredditListingFragment.EXTRA_IS_GETTING_SUBREDDIT_INFO, false);
                     bundle.putString(SubredditListingFragment.EXTRA_ACCESS_TOKEN, mAccessToken);
                     bundle.putString(SubredditListingFragment.EXTRA_ACCOUNT_NAME, mAccountName);
                     mFragment.setArguments(bundle);
@@ -702,6 +702,7 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
                     UserListingFragment mFragment = new UserListingFragment();
                     Bundle bundle = new Bundle();
                     bundle.putString(UserListingFragment.EXTRA_QUERY, mQuery);
+                    bundle.putBoolean(UserListingFragment.EXTRA_IS_GETTING_USER_INFO, false);
                     bundle.putString(UserListingFragment.EXTRA_ACCESS_TOKEN, mAccessToken);
                     bundle.putString(UserListingFragment.EXTRA_ACCOUNT_NAME, mAccountName);
                     mFragment.setArguments(bundle);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchSubredditsResultActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchSubredditsResultActivity.java
index 270e9728..9caccdae 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchSubredditsResultActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchSubredditsResultActivity.java
@@ -43,7 +43,7 @@ public class SearchSubredditsResultActivity extends BaseActivity implements Acti
 
     static final String EXTRA_QUERY = "EQ";
     static final String EXTRA_RETURN_SUBREDDIT_NAME = "ERSN";
-    static final String EXTRA_RETURN_SUBREDDIT_ICON_URL = "ERSIURL";
+    static final String EXTRA_RETURN_SUBREDDIT_ICON_URL = "ERSIU";
 
     private static final String NULL_ACCESS_TOKEN_STATE = "NATS";
     private static final String ACCESS_TOKEN_STATE = "ATS";
@@ -157,7 +157,7 @@ public class SearchSubredditsResultActivity extends BaseActivity implements Acti
             mFragment = new SubredditListingFragment();
             Bundle bundle = new Bundle();
             bundle.putString(SubredditListingFragment.EXTRA_QUERY, query);
-            bundle.putBoolean(SubredditListingFragment.EXTRA_IS_POSTING, true);
+            bundle.putBoolean(SubredditListingFragment.EXTRA_IS_GETTING_SUBREDDIT_INFO, true);
             bundle.putString(SubredditListingFragment.EXTRA_ACCESS_TOKEN, mAccessToken);
             bundle.putString(SubredditListingFragment.EXTRA_ACCOUNT_NAME, mAccountName);
             mFragment.setArguments(bundle);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchUsersResultActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchUsersResultActivity.java
new file mode 100644
index 00000000..23dc6fd4
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchUsersResultActivity.java
@@ -0,0 +1,200 @@
+package ml.docilealligator.infinityforreddit.activities;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.widget.Toolbar;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import androidx.fragment.app.Fragment;
+
+import com.google.android.material.appbar.AppBarLayout;
+import com.r0adkll.slidr.Slidr;
+
+import org.greenrobot.eventbus.EventBus;
+import org.greenrobot.eventbus.Subscribe;
+
+import java.util.concurrent.Executor;
+
+import javax.inject.Inject;
+import javax.inject.Named;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.ActivityToolbarInterface;
+import ml.docilealligator.infinityforreddit.Infinity;
+import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+import ml.docilealligator.infinityforreddit.asynctasks.GetCurrentAccount;
+import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
+import ml.docilealligator.infinityforreddit.events.SwitchAccountEvent;
+import ml.docilealligator.infinityforreddit.fragments.UserListingFragment;
+import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
+
+public class SearchUsersResultActivity extends BaseActivity implements ActivityToolbarInterface {
+
+    static final String EXTRA_QUERY = "EQ";
+    static final String EXTRA_RETURN_USER_NAME = "ERUN";
+    static final String EXTRA_RETURN_USER_ICON_URL = "ERUIU";
+
+    private static final String NULL_ACCESS_TOKEN_STATE = "NATS";
+    private static final String ACCESS_TOKEN_STATE = "ATS";
+    private static final String ACCOUNT_NAME_STATE = "ANS";
+    private static final String FRAGMENT_OUT_STATE = "FOS";
+
+    @BindView(R.id.coordinator_layout_search_subreddits_result_activity)
+    CoordinatorLayout coordinatorLayout;
+    @BindView(R.id.appbar_layout_search_subreddits_result_activity)
+    AppBarLayout appBarLayout;
+    @BindView(R.id.toolbar_search_subreddits_result_activity)
+    Toolbar toolbar;
+    Fragment mFragment;
+    @Inject
+    RedditDataRoomDatabase mRedditDataRoomDatabase;
+    @Inject
+    @Named("default")
+    SharedPreferences mSharedPreferences;
+    @Inject
+    CustomThemeWrapper mCustomThemeWrapper;
+    @Inject
+    Executor mExecutor;
+    private boolean mNullAccessToken = false;
+    private String mAccessToken;
+    private String mAccountName;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        ((Infinity) getApplication()).getAppComponent().inject(this);
+
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_search_users_result);
+
+        ButterKnife.bind(this);
+
+        EventBus.getDefault().register(this);
+
+        applyCustomTheme();
+
+        if (mSharedPreferences.getBoolean(SharedPreferencesUtils.SWIPE_RIGHT_TO_GO_BACK, true)) {
+            Slidr.attach(this);
+        }
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            Window window = getWindow();
+
+            if (isChangeStatusBarIconColor()) {
+                addOnOffsetChangedListener(appBarLayout);
+            }
+
+            if (isImmersiveInterface()) {
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                    coordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
+                            View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
+                            View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
+                } else {
+                    window.setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
+                }
+                adjustToolbar(toolbar);
+            }
+        }
+
+        setSupportActionBar(toolbar);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        setToolbarGoToTop(toolbar);
+
+        String query = getIntent().getExtras().getString(EXTRA_QUERY);
+
+        if (savedInstanceState == null) {
+            getCurrentAccountAndInitializeFragment(query);
+        } else {
+            mNullAccessToken = savedInstanceState.getBoolean(NULL_ACCESS_TOKEN_STATE);
+            mAccessToken = savedInstanceState.getString(ACCESS_TOKEN_STATE);
+            mAccountName = savedInstanceState.getString(ACCOUNT_NAME_STATE);
+
+            if (!mNullAccessToken && mAccessToken == null) {
+                getCurrentAccountAndInitializeFragment(query);
+            } else {
+                mFragment = getSupportFragmentManager().getFragment(savedInstanceState, FRAGMENT_OUT_STATE);
+                getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout_search_subreddits_result_activity, mFragment).commit();
+            }
+        }
+    }
+
+    @Override
+    protected SharedPreferences getDefaultSharedPreferences() {
+        return mSharedPreferences;
+    }
+
+    @Override
+    protected CustomThemeWrapper getCustomThemeWrapper() {
+        return mCustomThemeWrapper;
+    }
+
+    @Override
+    protected void applyCustomTheme() {
+        coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
+        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+    }
+
+    private void getCurrentAccountAndInitializeFragment(String query) {
+        GetCurrentAccount.getCurrentAccount(mExecutor, new Handler(), mRedditDataRoomDatabase, account -> {
+            if (account == null) {
+                mNullAccessToken = true;
+            } else {
+                mAccessToken = account.getAccessToken();
+                mAccountName = account.getUsername();
+            }
+
+            mFragment = new UserListingFragment();
+            Bundle bundle = new Bundle();
+            bundle.putString(UserListingFragment.EXTRA_QUERY, query);
+            bundle.putBoolean(UserListingFragment.EXTRA_IS_GETTING_USER_INFO, true);
+            bundle.putString(UserListingFragment.EXTRA_ACCESS_TOKEN, mAccessToken);
+            bundle.putString(UserListingFragment.EXTRA_ACCOUNT_NAME, mAccountName);
+            mFragment.setArguments(bundle);
+            getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout_search_subreddits_result_activity, mFragment).commit();
+        });
+    }
+
+    public void getSelectedUser(String name, String iconUrl) {
+        Intent returnIntent = new Intent();
+        returnIntent.putExtra(EXTRA_RETURN_USER_NAME, name);
+        returnIntent.putExtra(EXTRA_RETURN_USER_ICON_URL, iconUrl);
+        setResult(Activity.RESULT_OK, returnIntent);
+        finish();
+    }
+
+    @Override
+    protected void onSaveInstanceState(@NonNull Bundle outState) {
+        super.onSaveInstanceState(outState);
+        getSupportFragmentManager().putFragment(outState, FRAGMENT_OUT_STATE, mFragment);
+        outState.putBoolean(NULL_ACCESS_TOKEN_STATE, mNullAccessToken);
+        outState.putString(ACCESS_TOKEN_STATE, mAccessToken);
+        outState.putString(ACCOUNT_NAME_STATE, mAccountName);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        EventBus.getDefault().unregister(this);
+    }
+
+    @Subscribe
+    public void onAccountSwitchEvent(SwitchAccountEvent event) {
+        finish();
+    }
+
+    @Override
+    public void onLongPress() {
+        if (mFragment != null) {
+            ((UserListingFragment) mFragment).goBackToTop();
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SendPrivateMessageActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SendPrivateMessageActivity.java
index 9f707702..57744487 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SendPrivateMessageActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SendPrivateMessageActivity.java
@@ -71,6 +71,9 @@ public class SendPrivateMessageActivity extends BaseActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         ((Infinity) getApplication()).getAppComponent().inject(this);
+
+        setImmersiveModeNotApplicable();
+        
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_send_private_message);
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/UserListingRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/UserListingRecyclerViewAdapter.java
index a7bd4bc3..2fb83bae 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/UserListingRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/UserListingRecyclerViewAdapter.java
@@ -1,7 +1,6 @@
 package ml.docilealligator.infinityforreddit.adapters;
 
 import android.content.Context;
-import android.content.Intent;
 import android.content.res.ColorStateList;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -26,11 +25,10 @@ import com.bumptech.glide.request.RequestOptions;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import jp.wasabeef.glide.transformations.RoundedCornersTransformation;
-import ml.docilealligator.infinityforreddit.activities.ViewUserDetailActivity;
-import ml.docilealligator.infinityforreddit.asynctasks.CheckIsFollowingUserAsyncTask;
-import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.NetworkState;
 import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.asynctasks.CheckIsFollowingUserAsyncTask;
+import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.subscribeduser.SubscribedUserDao;
 import ml.docilealligator.infinityforreddit.user.UserData;
 import ml.docilealligator.infinityforreddit.user.UserFollowing;
@@ -67,12 +65,12 @@ public class UserListingRecyclerViewAdapter extends PagedListAdapter<UserData, R
     private int unsubscribedColor;
 
     private NetworkState networkState;
-    private UserListingRecyclerViewAdapter.RetryLoadingMoreCallback retryLoadingMoreCallback;
+    private final Callback callback;
 
     public UserListingRecyclerViewAdapter(Context context, Retrofit oauthRetrofit, Retrofit retrofit,
                                           CustomThemeWrapper customThemeWrapper, String accessToken,
                                           String accountName, SubscribedUserDao subscribedUserDao,
-                                          UserListingRecyclerViewAdapter.RetryLoadingMoreCallback retryLoadingMoreCallback) {
+                                          Callback callback) {
         super(DIFF_CALLBACK);
         this.context = context;
         this.oauthRetrofit = oauthRetrofit;
@@ -80,7 +78,7 @@ public class UserListingRecyclerViewAdapter extends PagedListAdapter<UserData, R
         this.accessToken = accessToken;
         this.accountName = accountName;
         this.subscribedUserDao = subscribedUserDao;
-        this.retryLoadingMoreCallback = retryLoadingMoreCallback;
+        this.callback = callback;
         glide = Glide.with(context);
         primaryTextColor = customThemeWrapper.getPrimaryTextColor();
         buttonTextColor = customThemeWrapper.getButtonTextColor();
@@ -110,9 +108,7 @@ public class UserListingRecyclerViewAdapter extends PagedListAdapter<UserData, R
             UserData userData = getItem(position);
             if (userData != null) {
                 ((UserListingRecyclerViewAdapter.DataViewHolder) holder).constraintLayout.setOnClickListener(view -> {
-                    Intent intent = new Intent(context, ViewUserDetailActivity.class);
-                    intent.putExtra(ViewUserDetailActivity.EXTRA_USER_NAME_KEY, userData.getName());
-                    context.startActivity(intent);
+                    callback.userSelected(userData.getName(), userData.getIconUrl());
                 });
 
                 if (!userData.getIconUrl().equals("")) {
@@ -211,8 +207,10 @@ public class UserListingRecyclerViewAdapter extends PagedListAdapter<UserData, R
         }
     }
 
-    public interface RetryLoadingMoreCallback {
+    public interface Callback {
         void retryLoadingMore();
+
+        void userSelected(String username, String iconUrl);
     }
 
     class DataViewHolder extends RecyclerView.ViewHolder {
@@ -242,7 +240,7 @@ public class UserListingRecyclerViewAdapter extends PagedListAdapter<UserData, R
         ErrorViewHolder(View itemView) {
             super(itemView);
             ButterKnife.bind(this, itemView);
-            retryButton.setOnClickListener(view -> retryLoadingMoreCallback.retryLoadingMore());
+            retryButton.setOnClickListener(view -> callback.retryLoadingMore());
             errorTextView.setText(R.string.load_comments_failed);
             errorTextView.setTextColor(primaryTextColor);
             retryButton.setTextColor(buttonTextColor);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/SubredditListingFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/SubredditListingFragment.java
index 2924b393..ef0d7a89 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/SubredditListingFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/SubredditListingFragment.java
@@ -53,7 +53,7 @@ import retrofit2.Retrofit;
 public class SubredditListingFragment extends Fragment implements FragmentCommunicator {
 
     public static final String EXTRA_QUERY = "EQ";
-    public static final String EXTRA_IS_POSTING = "EIP";
+    public static final String EXTRA_IS_GETTING_SUBREDDIT_INFO = "EIGSI";
     public static final String EXTRA_ACCESS_TOKEN = "EAT";
     public static final String EXTRA_ACCOUNT_NAME = "EAN";
 
@@ -127,7 +127,7 @@ public class SubredditListingFragment extends Fragment implements FragmentCommun
         mSubredditListingRecyclerView.setLayoutManager(mLinearLayoutManager);
 
         String query = getArguments().getString(EXTRA_QUERY);
-        boolean isPosting = getArguments().getBoolean(EXTRA_IS_POSTING);
+        boolean isGettingSubredditInfo = getArguments().getBoolean(EXTRA_IS_GETTING_SUBREDDIT_INFO);
         String accessToken = getArguments().getString(EXTRA_ACCESS_TOKEN);
         String accountName = getArguments().getString(EXTRA_ACCOUNT_NAME);
 
@@ -145,7 +145,7 @@ public class SubredditListingFragment extends Fragment implements FragmentCommun
 
                     @Override
                     public void subredditSelected(String subredditName, String iconUrl) {
-                        if (isPosting) {
+                        if (isGettingSubredditInfo) {
                             ((SearchSubredditsResultActivity) mActivity).getSelectedSubreddit(subredditName, iconUrl);
                         } else {
                             Intent intent = new Intent(mActivity, ViewSubredditDetailActivity.class);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/UserListingFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/UserListingFragment.java
index c663bd63..ecd16441 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/UserListingFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/UserListingFragment.java
@@ -3,6 +3,7 @@ package ml.docilealligator.infinityforreddit.fragments;
 
 import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.Resources;
 import android.os.Build;
@@ -37,6 +38,8 @@ import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
 import ml.docilealligator.infinityforreddit.SortType;
 import ml.docilealligator.infinityforreddit.activities.BaseActivity;
+import ml.docilealligator.infinityforreddit.activities.SearchUsersResultActivity;
+import ml.docilealligator.infinityforreddit.activities.ViewUserDetailActivity;
 import ml.docilealligator.infinityforreddit.adapters.UserListingRecyclerViewAdapter;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.user.UserListingViewModel;
@@ -50,6 +53,7 @@ import retrofit2.Retrofit;
 public class UserListingFragment extends Fragment implements FragmentCommunicator {
 
     public static final String EXTRA_QUERY = "EQ";
+    public static final String EXTRA_IS_GETTING_USER_INFO = "EIGUI";
     public static final String EXTRA_ACCESS_TOKEN = "EAT";
     public static final String EXTRA_ACCOUNT_NAME = "EAN";
 
@@ -124,6 +128,7 @@ public class UserListingFragment extends Fragment implements FragmentCommunicato
         mUserListingRecyclerView.setLayoutManager(mLinearLayoutManager);
 
         mQuery = getArguments().getString(EXTRA_QUERY);
+        boolean isGettingUserInfo = getArguments().getBoolean(EXTRA_IS_GETTING_USER_INFO);
         String accessToken = getArguments().getString(EXTRA_ACCESS_TOKEN);
         String accountName = getArguments().getString(EXTRA_ACCOUNT_NAME);
         String sort = mSortTypeSharedPreferences.getString(SharedPreferencesUtils.SORT_TYPE_SEARCH_USER, SortType.Type.RELEVANCE.value);
@@ -132,7 +137,23 @@ public class UserListingFragment extends Fragment implements FragmentCommunicato
 
         mAdapter = new UserListingRecyclerViewAdapter(getActivity(), mOauthRetrofit, mRetrofit,
                 customThemeWrapper, accessToken, accountName, mRedditDataRoomDatabase.subscribedUserDao(),
-                () -> mUserListingViewModel.retryLoadingMore());
+                new UserListingRecyclerViewAdapter.Callback() {
+                    @Override
+                    public void retryLoadingMore() {
+                        mUserListingViewModel.retryLoadingMore();
+                    }
+
+                    @Override
+                    public void userSelected(String username, String iconUrl) {
+                        if (isGettingUserInfo) {
+                            ((SearchUsersResultActivity) mActivity).getSelectedUser(username, iconUrl);
+                        } else {
+                            Intent intent = new Intent(mActivity, ViewUserDetailActivity.class);
+                            intent.putExtra(ViewUserDetailActivity.EXTRA_USER_NAME_KEY, username);
+                            mActivity.startActivity(intent);
+                        }
+                    }
+                });
 
         mUserListingRecyclerView.setAdapter(mAdapter);
 
diff --git a/app/src/main/res/layout/activity_search_users_result.xml b/app/src/main/res/layout/activity_search_users_result.xml
new file mode 100644
index 00000000..b594ccb5
--- /dev/null
+++ b/app/src/main/res/layout/activity_search_users_result.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:id="@+id/coordinator_layout_search_users_result_activity"
+    tools:application=".SearchUsersResultActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/appbar_layout_search_users_result_activity"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar_search_users_result_activity"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:minHeight="?attr/actionBarSize"
+            app:popupTheme="@style/AppTheme.PopupOverlay"
+            app:navigationIcon="?attr/homeAsUpIndicator" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <FrameLayout
+        android:id="@+id/frame_layout_search_users_result_activity"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a5aa5353..9658a65a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -993,7 +993,7 @@
     <string name="subreddit">Subreddit</string>
     <string name="user">User</string>
     <string name="edit_post_filter_name_of_usage_info">Leave it blank to apply this post filter to all the subreddits / users / multireddits</string>
-    
+
     <string name="read_all_messages_time_limit">You are doing this too frequently. Try again later. This is Reddit API\'s rate limit.</string>
     <string name="read_all_messages_success">Read all messages successfully</string>
     <string name="read_all_messages_failed">Unable to read all messages</string>