Log in other reddit accounts are available. Add an account switcher in the navigation drawer in MainActivity.

.idea/assetWizardSettings.xml

@@ -35,9 +35,9 @@
                           <map>
                             <entry key="assetSourceType" value="FILE" />
                             <entry key="color" value="ffffff" />
-                            <entry key="outputName" value="ic_outline_sort_24px" />
+                            <entry key="outputName" value="ic_outline_block_24px" />
                             <entry key="overrideSize" value="true" />
-                            <entry key="sourceFile" value="$USER_HOME$/Downloads/outline-sort-24px.svg" />
+                            <entry key="sourceFile" value="$USER_HOME$/Downloads/outline-block-24px.svg" />
                           </map>
                         </option>
                       </PersistentState>

app/src/main/AndroidManifest.xml

@@ -9,7 +9,6 @@
     <uses-permission
         android:name="android.permission.WRITE_EXTERNAL_STORAGE"
         android:maxSdkVersion="22" />
-
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
     <application
@@ -21,10 +20,11 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
         android:usesCleartextTraffic="true">
+
         <service
             android:name=".SubmitPostService"
             android:enabled="true"
-            android:exported="false"></service>
+            android:exported="false" />
 
         <activity
             android:name=".FilteredPostsActivity"

app/src/main/java/Account/AccountDao.java

@@ -34,4 +34,7 @@ public interface AccountDao {
     @Query("UPDATE accounts SET profile_image_url = :profileImageUrl, banner_image_url = :bannerImageUrl, " +
             "karma = :karma WHERE username = :username")
     void updateAccountInfo(String username, String profileImageUrl, String bannerImageUrl, int karma);
+
+    @Query("SELECT * FROM accounts WHERE username != :username")
+    LiveData<List<Account>> getAccountsExceptCurrentAccountLiveData(String username);
 }

app/src/main/java/Account/AccountRepository.java

@@ -4,21 +4,29 @@ import android.os.AsyncTask;
 
 import androidx.lifecycle.LiveData;
 
+import java.util.List;
+
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
 
 public class AccountRepository {
     private AccountDao mAccountDao;
     private LiveData<Account> mAccountLiveData;
+    private LiveData<List<Account>> mAccountsExceptCurrentAccountLiveData;
 
     AccountRepository(RedditDataRoomDatabase redditDataRoomDatabase, String username) {
         mAccountDao = redditDataRoomDatabase.accountDao();
         mAccountLiveData = mAccountDao.getAccountLiveData(username);
+        mAccountsExceptCurrentAccountLiveData = mAccountDao.getAccountsExceptCurrentAccountLiveData(username);
     }
 
     LiveData<Account> getAccountLiveData() {
         return mAccountLiveData;
     }
 
+    public LiveData<List<Account>> getAccountsExceptCurrentAccountLiveData() {
+        return mAccountsExceptCurrentAccountLiveData;
+    }
+
     public void insert(Account Account) {
         new InsertAsyncTask(mAccountDao).execute(Account);
     }

app/src/main/java/Account/AccountViewModel.java

@@ -8,22 +8,30 @@ import androidx.lifecycle.LiveData;
 import androidx.lifecycle.ViewModel;
 import androidx.lifecycle.ViewModelProvider;
 
+import java.util.List;
+
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
 
 public class AccountViewModel extends AndroidViewModel {
     private AccountRepository mAccountRepository;
     private LiveData<Account> mAccountLiveData;
+    private LiveData<List<Account>> mAccountsExceptCurrentAccountLiveData;
 
     public AccountViewModel(Application application, RedditDataRoomDatabase redditDataRoomDatabase, String id) {
         super(application);
         mAccountRepository = new AccountRepository(redditDataRoomDatabase, id);
         mAccountLiveData = mAccountRepository.getAccountLiveData();
+        mAccountsExceptCurrentAccountLiveData = mAccountRepository.getAccountsExceptCurrentAccountLiveData();
     }
 
     public LiveData<Account> getAccountLiveData() {
         return mAccountLiveData;
     }
 
+    public LiveData<List<Account>> getAccountsExceptCurrentAccountLiveData() {
+        return mAccountsExceptCurrentAccountLiveData;
+    }
+
     public void insert(Account userData) {
         mAccountRepository.insert(userData);
     }

app/src/main/java/ml/docilealligator/infinityforreddit/AccountRecyclerViewAdapter.java

@@ -0,0 +1,137 @@
+package ml.docilealligator.infinityforreddit;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.bumptech.glide.RequestManager;
+import com.bumptech.glide.request.RequestOptions;
+
+import java.util.List;
+
+import Account.Account;
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import jp.wasabeef.glide.transformations.RoundedCornersTransformation;
+import pl.droidsonroids.gif.GifImageView;
+
+class AccountRecyclerViewAdapter extends RecyclerView.Adapter<AccountRecyclerViewAdapter.AccountViewHolder> {
+
+    interface ItemSelectedListener {
+        void accountSelected(Account account);
+        void addAccountSelected();
+        void anonymousSelected();
+        void logoutSelected();
+        void manageAccountSelected();
+    }
+
+    private List<Account> mAccounts;
+    private String mCurrentAccountName;
+    private Context mContext;
+    private RequestManager mGlide;
+    private ItemSelectedListener mItemSelectedListener;
+
+    AccountRecyclerViewAdapter(Context context,  RequestManager glide, String currentAccountName, ItemSelectedListener itemSelectedListener) {
+        mContext = context;
+        mGlide = glide;
+        mCurrentAccountName = currentAccountName;
+        mItemSelectedListener = itemSelectedListener;
+    }
+
+    @NonNull
+    @Override
+    public AccountViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        return new AccountViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_account, parent, false));
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull AccountViewHolder holder, int position) {
+        if(mAccounts == null) {
+            mGlide.load(R.drawable.subreddit_default_icon)
+                    .apply(RequestOptions.bitmapTransform(new RoundedCornersTransformation(128, 0)))
+                    .into(holder.profileImageGifImageView);
+            holder.usernameTextView.setText(R.string.add_account);
+            holder.itemView.setOnClickListener(view -> mItemSelectedListener.addAccountSelected());
+        } else {
+            if(position < mAccounts.size()) {
+                mGlide.load(mAccounts.get(position).getProfileImageUrl())
+                        .error(mGlide.load(R.drawable.subreddit_default_icon))
+                        .apply(RequestOptions.bitmapTransform(new RoundedCornersTransformation(128, 0)))
+                        .into(holder.profileImageGifImageView);
+                holder.usernameTextView.setText(mAccounts.get(position).getUsername());
+                holder.itemView.setOnClickListener(view -> {
+                    mCurrentAccountName = mAccounts.get(position).getUsername();
+                    mItemSelectedListener.accountSelected(mAccounts.get(position));
+                });
+            } else if(position == mAccounts.size()) {
+                holder.profileImageGifImageView.setColorFilter(ContextCompat.getColor(mContext, R.color.primaryTextColor), android.graphics.PorterDuff.Mode.SRC_IN);
+                mGlide.load(R.drawable.ic_outline_add_circle_outline_24px)
+                        .apply(RequestOptions.bitmapTransform(new RoundedCornersTransformation(128, 0)))
+                        .into(holder.profileImageGifImageView);
+                holder.usernameTextView.setText(R.string.add_account);
+                holder.itemView.setOnClickListener(view -> mItemSelectedListener.addAccountSelected());
+            } else if(position == mAccounts.size() + 1) {
+                holder.profileImageGifImageView.setColorFilter(ContextCompat.getColor(mContext, R.color.primaryTextColor), android.graphics.PorterDuff.Mode.SRC_IN);
+                mGlide.load(R.drawable.ic_outline_public_24px)
+                        .apply(RequestOptions.bitmapTransform(new RoundedCornersTransformation(128, 0)))
+                        .into(holder.profileImageGifImageView);
+                holder.usernameTextView.setText(R.string.anonymous_account);
+                holder.itemView.setOnClickListener(view -> mItemSelectedListener.anonymousSelected());
+            } else if(position == mAccounts.size() + 2){
+                holder.profileImageGifImageView.setColorFilter(ContextCompat.getColor(mContext, R.color.primaryTextColor), android.graphics.PorterDuff.Mode.SRC_IN);
+                mGlide.load(R.drawable.ic_outline_settings_24px)
+                        .apply(RequestOptions.bitmapTransform(new RoundedCornersTransformation(128, 0)))
+                        .into(holder.profileImageGifImageView);
+                holder.usernameTextView.setText(R.string.manage_accounts);
+                holder.itemView.setOnClickListener(view -> mItemSelectedListener.manageAccountSelected());
+            } else if(mCurrentAccountName != null) {
+                holder.profileImageGifImageView.setColorFilter(ContextCompat.getColor(mContext, R.color.primaryTextColor), android.graphics.PorterDuff.Mode.SRC_IN);
+                mGlide.load(R.drawable.ic_outline_block_24px)
+                        .apply(RequestOptions.bitmapTransform(new RoundedCornersTransformation(128, 0)))
+                        .into(holder.profileImageGifImageView);
+                holder.usernameTextView.setText(R.string.log_out);
+                holder.itemView.setOnClickListener(view -> mItemSelectedListener.logoutSelected());
+            }
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        if(mAccounts == null) {
+            return 1;
+        } else {
+            if(mCurrentAccountName == null) {
+                return mAccounts.size() + 3;
+            } else {
+                return mAccounts.size() + 4;
+            }
+        }
+    }
+
+    @Override
+    public void onViewRecycled(@NonNull AccountViewHolder holder) {
+        mGlide.clear(holder.profileImageGifImageView);
+        holder.profileImageGifImageView.clearColorFilter();
+    }
+
+    void changeAccountsDataset(List<Account> accounts) {
+        mAccounts = accounts;
+        notifyDataSetChanged();
+    }
+
+    class AccountViewHolder extends RecyclerView.ViewHolder {
+        @BindView(R.id.profile_image_item_account) GifImageView profileImageGifImageView;
+        @BindView(R.id.username_text_view_item_account) TextView usernameTextView;
+
+        AccountViewHolder(@NonNull View itemView) {
+            super(itemView);
+            ButterKnife.bind(this, itemView);
+        }
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/FetchMyInfo.java

@@ -15,7 +15,7 @@ class FetchMyInfo {
         void onFetchMyInfoFail();
     }
 
-    static void fetchMyInfo(final Retrofit retrofit, String accessToken,
+    static void fetchAccountInfo(final Retrofit retrofit, String accessToken,
                                  final FetchUserMyListener fetchUserMyListener) {
         RedditAPI api = retrofit.create(RedditAPI.class);
 

app/src/main/java/ml/docilealligator/infinityforreddit/LoginActivity.java

@@ -6,6 +6,7 @@ import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.Bundle;
 import android.view.MenuItem;
+import android.webkit.CookieManager;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 import android.widget.Toast;
@@ -65,6 +66,8 @@ public class LoginActivity extends AppCompatActivity {
 
         String url = uriBuilder.toString();
 
+        CookieManager.getInstance().removeAllCookies(aBoolean -> {});
+
         webView.loadUrl(url);
         webView.setWebViewClient(new WebViewClient() {
             @Override
@@ -97,7 +100,7 @@ public class LoginActivity extends AppCompatActivity {
                                         String accessToken = responseJSON.getString(RedditUtils.ACCESS_TOKEN_KEY);
                                         String refreshToken = responseJSON.getString(RedditUtils.REFRESH_TOKEN_KEY);
 
-                                        FetchMyInfo.fetchMyInfo(mOauthRetrofit, accessToken, new FetchMyInfo.FetchUserMyListener() {
+                                        FetchMyInfo.fetchAccountInfo(mOauthRetrofit, accessToken, new FetchMyInfo.FetchUserMyListener() {
                                             @Override
                                             public void onFetchMyInfoSuccess(String response) {
                                                 ParseAndSaveAccountInfo.parseAndSaveAccountInfo(response, mRedditDataRoomDatabase, new ParseAndSaveAccountInfo.ParseAndSaveAccountInfoListener() {

app/src/main/java/ml/docilealligator/infinityforreddit/MainActivity.java

@@ -20,6 +20,9 @@ import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentPagerAdapter;
+import androidx.lifecycle.ViewModelProviders;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import androidx.viewpager.widget.ViewPager;
 
 import com.bumptech.glide.Glide;
@@ -33,6 +36,8 @@ import com.google.android.material.tabs.TabLayout;
 import javax.inject.Inject;
 import javax.inject.Named;
 
+import Account.Account;
+import Account.AccountViewModel;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import jp.wasabeef.glide.transformations.RoundedCornersTransformation;
@@ -45,6 +50,7 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
     static final String EXTRA_POST_TYPE = "EPT";
 
     private static final String FETCH_USER_INFO_STATE = "FUIS";
+    private static final String DRAWER_ON_ACCOUNT_SWITCH_STATE = "DOASS";
     private static final String IS_IN_LAZY_MODE_STATE = "IILMS";
     private static final String NULL_ACCESS_TOKEN_STATE = "NATS";
     private static final String ACCESS_TOKEN_STATE = "ATS";
@@ -58,18 +64,22 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
     @BindView(R.id.drawer_layout) DrawerLayout drawer;
     @BindView(R.id.view_pager_main_activity) ViewPager viewPager;
     @BindView(R.id.collapsing_toolbar_layout_main_activity) CollapsingToolbarLayout collapsingToolbarLayout;
+    @BindView(R.id.toolbar) Toolbar toolbar;
+    @BindView(R.id.all_drawer_items_linear_layout_main_activity) LinearLayout allDrawerItemsLinearLayout;
     @BindView(R.id.profile_linear_layout_main_activity) LinearLayout profileLinearLayout;
     @BindView(R.id.subscriptions_linear_layout_main_activity) LinearLayout subscriptionLinearLayout;
     @BindView(R.id.settings_linear_layout_main_activity) LinearLayout settingsLinearLayout;
+    @BindView(R.id.account_recycler_view_main_activity) RecyclerView accountRecyclerView;
     @BindView(R.id.tab_layout_main_activity) TabLayout tabLayout;
     @BindView(R.id.fab_main_activity) FloatingActionButton fab;
 
     private SectionsPagerAdapter sectionsPagerAdapter;
 
-    private TextView mNameTextView;
+    private TextView mAccountNameTextView;
     private TextView mKarmaTextView;
     private GifImageView mProfileImageView;
     private ImageView mBannerImageView;
+    private ImageView mDropIconImageView;
 
     private RequestManager glide;
     private AppBarLayout.LayoutParams params;
@@ -79,16 +89,19 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
 
     private boolean mNullAccessToken = false;
     private String mAccessToken;
-    private String mName;
+    private String mAccountName;
     private String mProfileImageUrl;
     private String mBannerImageUrl;
-    private String mKarma;
+    private int mKarma;
     private boolean mFetchUserInfoSuccess = false;
+    private boolean mDrawerOnAccountSwitch = false;
 
     private Menu mMenu;
 
     private boolean isInLazyMode = false;
 
+    AccountViewModel accountViewModel;
+
     @Inject
     @Named("oauth")
     Retrofit mOauthRetrofit;
@@ -117,7 +130,6 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
         popularBundle.putBoolean(SortTypeBottomSheetFragment.EXTRA_NO_BEST_TYPE, true);
         popularAndAllSortTypeBottomSheetFragment.setArguments(popularBundle);
 
-        Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
         drawer = findViewById(R.id.drawer_layout);
@@ -130,13 +142,14 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
 
         if(savedInstanceState != null) {
             mFetchUserInfoSuccess = savedInstanceState.getBoolean(FETCH_USER_INFO_STATE);
+            mDrawerOnAccountSwitch = savedInstanceState.getBoolean(DRAWER_ON_ACCOUNT_SWITCH_STATE);
             isInLazyMode = savedInstanceState.getBoolean(IS_IN_LAZY_MODE_STATE);
             mNullAccessToken = savedInstanceState.getBoolean(NULL_ACCESS_TOKEN_STATE);
             mAccessToken = savedInstanceState.getString(ACCESS_TOKEN_STATE);
-            mName = savedInstanceState.getString(ACCOUNT_NAME_STATE);
+            mAccountName = savedInstanceState.getString(ACCOUNT_NAME_STATE);
             mProfileImageUrl = savedInstanceState.getString(ACCOUNT_PROFILE_IMAGE_URL_STATE);
             mBannerImageUrl = savedInstanceState.getString(ACCOUNT_BANNER_IMAGE_URL_STATE);
-            mKarma = savedInstanceState.getString(ACCOUNT_KARMA_STATE);
+            mKarma = savedInstanceState.getInt(ACCOUNT_KARMA_STATE);
             if(!mNullAccessToken && mAccessToken == null) {
                 getCurrentAccountAndBindView();
             } else {
@@ -157,10 +170,10 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
                 startActivityForResult(loginIntent, LOGIN_ACTIVITY_REQUEST_CODE);
             } else {
                 mAccessToken = account.getAccessToken();
-                mName = account.getUsername();
+                mAccountName = account.getUsername();
                 mProfileImageUrl = account.getProfileImageUrl();
                 mBannerImageUrl = account.getBannerImageUrl();
-                mKarma = Integer.toString(account.getKarma());
+                mKarma = account.getKarma();
                 bindView();
             }
         }).execute();
@@ -172,6 +185,45 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
         viewPager.setOffscreenPageLimit(2);
         tabLayout.setupWithViewPager(viewPager);
 
+        glide = Glide.with(this);
+
+        AccountRecyclerViewAdapter adapter = new AccountRecyclerViewAdapter(this, glide, mAccountName,
+                new AccountRecyclerViewAdapter.ItemSelectedListener() {
+            @Override
+            public void accountSelected(Account account) {
+
+            }
+
+            @Override
+            public void addAccountSelected() {
+                Intent intent = new Intent(MainActivity.this, LoginActivity.class);
+                startActivityForResult(intent, LOGIN_ACTIVITY_REQUEST_CODE);
+            }
+
+            @Override
+            public void anonymousSelected() {
+
+            }
+
+            @Override
+            public void logoutSelected() {
+
+            }
+
+            @Override
+            public void manageAccountSelected() {
+
+            }
+        });
+
+        accountRecyclerView.setLayoutManager(new LinearLayoutManager(this));
+        accountRecyclerView.setNestedScrollingEnabled(false);
+        accountRecyclerView.setAdapter(adapter);
+
+        accountViewModel = ViewModelProviders.of(this,
+                new AccountViewModel.Factory(getApplication(), mRedditDataRoomDatabase, mAccountName)).get(AccountViewModel.class);
+        accountViewModel.getAccountsExceptCurrentAccountLiveData().observe(this, adapter::changeAccountsDataset);
+
         if(getIntent().hasExtra(EXTRA_POST_TYPE)) {
             if(getIntent().getExtras().getString(EXTRA_POST_TYPE).equals("popular")) {
                 viewPager.setCurrentItem(1);
@@ -180,18 +232,41 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
             }
         }
 
-        glide = Glide.with(this);
-
         View header = findViewById(R.id.nav_header_main_activity);
-        mNameTextView = header.findViewById(R.id.name_text_view_nav_header_main);
+        mAccountNameTextView = header.findViewById(R.id.name_text_view_nav_header_main);
         mKarmaTextView = header.findViewById(R.id.karma_text_view_nav_header_main);
         mProfileImageView = header.findViewById(R.id.profile_image_view_nav_header_main);
         mBannerImageView = header.findViewById(R.id.banner_image_view_nav_header_main);
+        mDropIconImageView = header.findViewById(R.id.account_switcher_image_view_nav_header_main);
+
+        if(mDrawerOnAccountSwitch) {
+            mDropIconImageView.setImageDrawable(getResources().getDrawable(R.drawable.ic_baseline_arrow_drop_up_24px));
+            accountRecyclerView.setVisibility(View.VISIBLE);
+            allDrawerItemsLinearLayout.setVisibility(View.GONE);
+        } else {
+            mDropIconImageView.setImageDrawable(getResources().getDrawable(R.drawable.ic_baseline_arrow_drop_down_24px));
+            accountRecyclerView.setVisibility(View.GONE);
+            allDrawerItemsLinearLayout.setVisibility(View.VISIBLE);
+        }
+
+        header.setOnClickListener(view -> {
+            if(mDrawerOnAccountSwitch) {
+                mDrawerOnAccountSwitch = false;
+                mDropIconImageView.setImageDrawable(getResources().getDrawable(R.drawable.ic_baseline_arrow_drop_down_24px));
+                accountRecyclerView.setVisibility(View.GONE);
+                allDrawerItemsLinearLayout.setVisibility(View.VISIBLE);
+            } else {
+                mDrawerOnAccountSwitch = true;
+                mDropIconImageView.setImageDrawable(getResources().getDrawable(R.drawable.ic_baseline_arrow_drop_up_24px));
+                accountRecyclerView.setVisibility(View.VISIBLE);
+                allDrawerItemsLinearLayout.setVisibility(View.GONE);
+            }
+        });
 
         loadUserData();
 
-        mNameTextView.setText(mName);
+        mAccountNameTextView.setText(mAccountName);
-        mKarmaTextView.setText(mKarma);
+        mKarmaTextView.setText(getString(R.string.karma_info, mKarma));
 
         if (mProfileImageUrl != null && !mProfileImageUrl.equals("")) {
             glide.load(mProfileImageUrl)
@@ -211,7 +286,7 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
 
         profileLinearLayout.setOnClickListener(view -> {
             Intent intent = new Intent(this, ViewUserDetailActivity.class);
-            intent.putExtra(ViewUserDetailActivity.EXTRA_USER_NAME_KEY, mName);
+            intent.putExtra(ViewUserDetailActivity.EXTRA_USER_NAME_KEY, mAccountName);
             startActivity(intent);
         });
 
@@ -227,13 +302,13 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
 
     private void loadUserData() {
         if (!mFetchUserInfoSuccess) {
-            FetchMyInfo.fetchMyInfo(mOauthRetrofit, mAccessToken, new FetchMyInfo.FetchUserMyListener() {
+            FetchMyInfo.fetchAccountInfo(mOauthRetrofit, mAccessToken, new FetchMyInfo.FetchUserMyListener() {
                 @Override
                 public void onFetchMyInfoSuccess(String response) {
                     ParseAndSaveAccountInfo.parseAndSaveAccountInfo(response, mRedditDataRoomDatabase, new ParseAndSaveAccountInfo.ParseAndSaveAccountInfoListener() {
                         @Override
                         public void onParseMyInfoSuccess(String name, String profileImageUrl, String bannerImageUrl, int karma) {
-                            mNameTextView.setText(name);
+                            mAccountNameTextView.setText(name);
                             if (profileImageUrl != null && !profileImageUrl.equals("")) {
                                 glide.load(profileImageUrl)
                                         .apply(RequestOptions.bitmapTransform(new RoundedCornersTransformation(128, 0)))
@@ -249,12 +324,12 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
                                 glide.load(bannerImageUrl).into(mBannerImageView);
                             }
 
-                            mName = name;
+                            mAccountName = name;
                             mProfileImageUrl = profileImageUrl;
                             mBannerImageUrl = bannerImageUrl;
-                            mKarma = getString(R.string.karma_info, karma);
+                            mKarma = karma;
 
-                            mKarmaTextView.setText(mKarma);
+                            mKarmaTextView.setText(getString(R.string.karma_info, karma));
 
                             mFetchUserInfoSuccess = true;
                         }
@@ -358,13 +433,14 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
     protected void onSaveInstanceState(@NonNull Bundle outState) {
         super.onSaveInstanceState(outState);
         outState.putBoolean(FETCH_USER_INFO_STATE, mFetchUserInfoSuccess);
+        outState.putBoolean(DRAWER_ON_ACCOUNT_SWITCH_STATE, mDrawerOnAccountSwitch);
         outState.putBoolean(IS_IN_LAZY_MODE_STATE, isInLazyMode);
         outState.putBoolean(NULL_ACCESS_TOKEN_STATE, mNullAccessToken);
         outState.putString(ACCESS_TOKEN_STATE, mAccessToken);
-        outState.putString(ACCOUNT_NAME_STATE, mName);
+        outState.putString(ACCOUNT_NAME_STATE, mAccountName);
         outState.putString(ACCOUNT_PROFILE_IMAGE_URL_STATE, mProfileImageUrl);
         outState.putString(ACCOUNT_BANNER_IMAGE_URL_STATE, mBannerImageUrl);
-        outState.putString(ACCOUNT_KARMA_STATE, mKarma);
+        outState.putInt(ACCOUNT_KARMA_STATE, mKarma);
     }
 
     @Override

app/src/main/res/drawable/ic_baseline_arrow_drop_down_24px.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FFFFFFFF"
+      android:pathData="M7,10l5,5 5,-5z"/>
+</vector>

app/src/main/res/drawable/ic_baseline_arrow_drop_up_24px.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FFFFFFFF"
+      android:pathData="M7,14l5,-5 5,5z"/>
+</vector>

app/src/main/res/drawable/ic_outline_add_circle_outline_24px.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M13,7h-2v4L7,11v2h4v4h2v-4h4v-2h-4L13,7zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,20c-4.41,0 -8,-3.59 -8,-8s3.59,-8 8,-8 8,3.59 8,8 -3.59,8 -8,8z"/>
+</vector>

app/src/main/res/drawable/ic_outline_block_24px.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM4,12c0,-4.42 3.58,-8 8,-8 1.85,0 3.55,0.63 4.9,1.69L5.69,16.9C4.63,15.55 4,13.85 4,12zM12,20c-1.85,0 -3.55,-0.63 -4.9,-1.69L18.31,7.1C19.37,8.45 20,10.15 20,12c0,4.42 -3.58,8 -8,8z"/>
+</vector>

app/src/main/res/drawable/ic_outline_public_24px.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM4,12c0,-0.61 0.08,-1.21 0.21,-1.78L8.99,15v1c0,1.1 0.9,2 2,2v1.93C7.06,19.43 4,16.07 4,12zM17.89,17.4c-0.26,-0.81 -1,-1.4 -1.9,-1.4h-1v-3c0,-0.55 -0.45,-1 -1,-1h-6v-2h2c0.55,0 1,-0.45 1,-1L10.99,7h2c1.1,0 2,-0.9 2,-2v-0.41C17.92,5.77 20,8.65 20,12c0,2.08 -0.81,3.98 -2.11,5.4z"/>
+</vector>

app/src/main/res/layout/activity_main.xml

@@ -32,6 +32,12 @@
                     android:id="@+id/nav_header_main_activity"
                     layout="@layout/nav_header_main" />
 
+                <LinearLayout
+                    android:id="@+id/all_drawer_items_linear_layout_main_activity"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="vertical">
+
                     <LinearLayout
                         android:id="@+id/profile_linear_layout_main_activity"
                         android:layout_width="match_parent"
@@ -117,6 +123,14 @@
 
                 </LinearLayout>
 
+                <androidx.recyclerview.widget.RecyclerView
+                    android:id="@+id/account_recycler_view_main_activity"
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:visibility="gone" />
+
+            </LinearLayout>
+
         </androidx.core.widget.NestedScrollView>
 
     </com.google.android.material.navigation.NavigationView>

app/src/main/res/layout/app_bar_main.xml

@@ -15,15 +15,10 @@
             android:id="@+id/collapsing_toolbar_layout_main_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            app:titleEnabled="false"
             app:layout_scrollFlags="scroll|enterAlways"
+            app:titleEnabled="false"
             app:toolbarId="@+id/toolbar">
 
-            <FrameLayout
-                android:id="@+id/toolbar_frame_layout_main_activity"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content">
-
             <androidx.appcompat.widget.Toolbar
                 android:id="@+id/toolbar"
                 android:layout_width="match_parent"
@@ -33,22 +28,6 @@
                 app:layout_scrollFlags="scroll|enterAlways"
                 app:popupTheme="@style/AppTheme.PopupOverlay" />
 
-                <com.ferfalk.simplesearchview.SimpleSearchView
-                    android:id="@+id/search_view_main_activity"
-                    android:layout_width="match_parent"
-                    android:layout_height="match_parent"
-                    android:textColor="@android:color/white"
-                    app:voiceSearch="true"
-                    app:searchBackground="@color/colorPrimary"
-                    app:cursorColor="@android:color/white"
-                    app:hintColor="#E0E0E0"
-                    app:iconsTint="@android:color/white"
-                    app:backIconTint="@android:color/white"
-                    app:iconsAlpha="1"
-                    app:backIconAlpha="1"/>
-
-            </FrameLayout>
-
         </com.google.android.material.appbar.CollapsingToolbarLayout>
 
         <com.google.android.material.tabs.TabLayout
@@ -59,12 +38,12 @@
             android:background="@color/colorPrimary"
             app:layout_scrollFlags="scroll|enterAlways"
             app:tabGravity="fill"
-            app:tabMode="fixed"
             app:tabIndicatorColor="@android:color/white"
             app:tabIndicatorHeight="3dp"
+            app:tabMode="fixed"
+            app:tabRippleColor="?attr/colorControlHighlight"
             app:tabSelectedTextColor="@android:color/white"
             app:tabTextColor="@android:color/white"
-            app:tabRippleColor="?attr/colorControlHighlight"
             app:tabUnboundedRipple="false" />
 
     </com.google.android.material.appbar.AppBarLayout>

app/src/main/res/layout/item_account.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:padding="16dp"
+    android:background="?attr/selectableItemBackground"
+    android:clickable="true"
+    android:focusable="true">
+
+    <pl.droidsonroids.gif.GifImageView
+        android:id="@+id/profile_image_item_account"
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        android:layout_marginEnd="16dp" />
+
+    <TextView
+        android:id="@+id/username_text_view_item_account"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        android:layout_gravity="center_vertical"
+        android:textColor="@color/primaryTextColor" />
+
+</LinearLayout>

app/src/main/res/layout/nav_header_main.xml

@@ -30,8 +30,10 @@
         android:layout_marginTop="@dimen/nav_header_vertical_spacing"
         android:layout_marginStart="16dp"
         android:layout_marginEnd="16dp"
+        android:layout_alignParentStart="true"
         android:textAppearance="@style/TextAppearance.AppCompat.Body1"
-        android:layout_below="@id/profile_image_view_nav_header_main"/>
+        android:layout_below="@id/profile_image_view_nav_header_main"
+        android:layout_toStartOf="@id/account_switcher_image_view_nav_header_main" />
 
     <TextView
         android:id="@+id/karma_text_view_nav_header_main"
@@ -39,6 +41,17 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
         android:layout_marginEnd="16dp"
-        android:layout_below="@id/name_text_view_nav_header_main"/>
+        android:layout_alignParentStart="true"
+        android:layout_below="@id/name_text_view_nav_header_main"
+        android:layout_toStartOf="@id/account_switcher_image_view_nav_header_main" />
+
+    <ImageView
+        android:id="@+id/account_switcher_image_view_nav_header_main"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentEnd="true"
+        android:src="@drawable/ic_baseline_arrow_drop_down_24px" />
 
 </RelativeLayout>

app/src/main/res/values/strings.xml

@@ -170,4 +170,9 @@
     <string name="posting_video">Posting video</string>
     <string name="posting_image">Posting image</string>
     <string name="please_wait">Please wait.</string>
+
+    <string name="add_account">Add account</string>
+    <string name="anonymous_account">Anonymous</string>
+    <string name="manage_accounts">Manage accounts</string>
+    <string name="log_out">Log out</string>
 </resources>