diff options
Diffstat (limited to 'app/src/main/java')
3 files changed, 166 insertions, 221 deletions
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java index 3efc949f..14ce655e 100644 --- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java +++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java @@ -270,6 +270,8 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb mLockBottomAppBar = mSharedPreferences.getBoolean(SharedPreferencesUtils.LOCK_BOTTOM_APP_BAR, false); mDisableSwipingBetweenTabs = mSharedPreferences.getBoolean(SharedPreferencesUtils.DISABLE_SWIPING_BETWEEN_TABS, false); + fragmentManager = getSupportFragmentManager(); + if (savedInstanceState != null) { mFetchUserInfoSuccess = savedInstanceState.getBoolean(FETCH_USER_INFO_STATE); mFetchSubscriptionsSuccess = savedInstanceState.getBoolean(FETCH_SUBSCRIPTIONS_STATE); @@ -585,7 +587,6 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb navDrawerRecyclerView.setLayoutManager(new LinearLayoutManager(this)); navDrawerRecyclerView.setAdapter(adapter); - fragmentManager = getSupportFragmentManager(); sectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager, getLifecycle()); viewPager2.setAdapter(sectionsPagerAdapter); viewPager2.setOffscreenPageLimit(3); @@ -614,7 +615,6 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb } } }).attach(); - //tabLayout.setupWithViewPager(viewPager2); viewPager2.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() { @Override @@ -992,7 +992,7 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb } } - private class SectionsPagerAdapter extends FragmentStateAdapter{ + private class SectionsPagerAdapter extends FragmentStateAdapter { /*private PostFragment tab1; private PostFragment tab2; private PostFragment tab3;*/ diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java index 5982ee7e..b8686ad3 100644 --- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java +++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java @@ -10,7 +10,6 @@ import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; import android.view.View; -import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import android.widget.ImageView; @@ -19,13 +18,15 @@ import android.widget.TextView; import android.widget.Toast; import androidx.annotation.NonNull; +import androidx.annotation.Nullable; import androidx.appcompat.widget.Toolbar; import androidx.coordinatorlayout.widget.CoordinatorLayout; import androidx.fragment.app.Fragment; import androidx.fragment.app.FragmentManager; -import androidx.fragment.app.FragmentPagerAdapter; +import androidx.lifecycle.Lifecycle; import androidx.lifecycle.ViewModelProvider; -import androidx.viewpager.widget.ViewPager; +import androidx.viewpager2.adapter.FragmentStateAdapter; +import androidx.viewpager2.widget.ViewPager2; import com.bumptech.glide.Glide; import com.bumptech.glide.RequestManager; @@ -37,6 +38,7 @@ import com.google.android.material.chip.Chip; import com.google.android.material.floatingactionbutton.FloatingActionButton; import com.google.android.material.snackbar.Snackbar; import com.google.android.material.tabs.TabLayout; +import com.google.android.material.tabs.TabLayoutMediator; import com.r0adkll.slidr.Slidr; import com.r0adkll.slidr.model.SlidrInterface; @@ -66,20 +68,20 @@ import ml.docilealligator.infinityforreddit.CustomTheme.CustomThemeWrapper; import ml.docilealligator.infinityforreddit.Event.ChangeNSFWEvent; import ml.docilealligator.infinityforreddit.Event.GoBackToMainPageEvent; import ml.docilealligator.infinityforreddit.Event.SwitchAccountEvent; -import ml.docilealligator.infinityforreddit.Subreddit.FetchSubredditData; import ml.docilealligator.infinityforreddit.Fragment.PostFragment; import ml.docilealligator.infinityforreddit.Fragment.SidebarFragment; import ml.docilealligator.infinityforreddit.FragmentCommunicator; import ml.docilealligator.infinityforreddit.Infinity; +import ml.docilealligator.infinityforreddit.Message.ReadMessage; import ml.docilealligator.infinityforreddit.Post.PostDataSource; import ml.docilealligator.infinityforreddit.R; -import ml.docilealligator.infinityforreddit.Message.ReadMessage; import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase; import ml.docilealligator.infinityforreddit.SortType; import ml.docilealligator.infinityforreddit.SortTypeSelectionCallback; +import ml.docilealligator.infinityforreddit.Subreddit.FetchSubredditData; import ml.docilealligator.infinityforreddit.Subreddit.SubredditData; -import ml.docilealligator.infinityforreddit.Subreddit.SubredditViewModel; import ml.docilealligator.infinityforreddit.Subreddit.SubredditSubscription; +import ml.docilealligator.infinityforreddit.Subreddit.SubredditViewModel; import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils; import ml.docilealligator.infinityforreddit.Utils.Utils; import pl.droidsonroids.gif.GifImageView; @@ -106,7 +108,7 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp @BindView(R.id.coordinator_layout_view_subreddit_detail_activity) CoordinatorLayout coordinatorLayout; @BindView(R.id.view_pager_view_subreddit_detail_activity) - ViewPager viewPager; + ViewPager2 viewPager2; @BindView(R.id.appbar_layout_view_subreddit_detail_activity) AppBarLayout appBarLayout; @BindView(R.id.collapsing_toolbar_layout_view_subreddit_detail_activity) @@ -169,6 +171,7 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp @Inject CustomThemeWrapper mCustomThemeWrapper; public SubredditViewModel mSubredditViewModel; + private FragmentManager fragmentManager; private SectionsPagerAdapter sectionsPagerAdapter; private boolean mNullAccessToken = false; private String mAccessToken; @@ -300,6 +303,8 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp subredditName = getIntent().getStringExtra(EXTRA_SUBREDDIT_NAME_KEY); + fragmentManager = getSupportFragmentManager(); + if (savedInstanceState == null) { mMessageFullname = getIntent().getStringExtra(EXTRA_MESSAGE_FULLNAME); mNewAccountName = getIntent().getStringExtra(EXTRA_NEW_ACCOUNT_NAME); @@ -639,8 +644,8 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp } }).execute(); - sectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager()); - viewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { + sectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager(), getLifecycle()); + viewPager2.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() { @Override public void onPageSelected(int position) { if (position == 0) { @@ -648,38 +653,33 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp } else { lockSwipeRightToGoBack(); } - } - }); - viewPager.setAdapter(sectionsPagerAdapter); - viewPager.setOffscreenPageLimit(2); - tabLayout.setupWithViewPager(viewPager); - - - boolean viewSidebar = getIntent().getBooleanExtra(EXTRA_VIEW_SIDEBAR, false); - if (viewSidebar) { - viewPager.setCurrentItem(1, false); - } - viewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { - @Override - public void onPageSelected(int position) { if (mAccessToken != null) { if (showBottomAppBar) { bottomNavigationView.performShow(); } fab.show(); } - if (isInLazyMode) { - if (viewPager.getCurrentItem() == 0) { - sectionsPagerAdapter.resumeLazyMode(); - } else { - sectionsPagerAdapter.pauseLazyMode(); - } - } sectionsPagerAdapter.displaySortTypeInToolbar(); } }); + viewPager2.setAdapter(sectionsPagerAdapter); + viewPager2.setOffscreenPageLimit(2); + viewPager2.setUserInputEnabled(!mSharedPreferences.getBoolean(SharedPreferencesUtils.DISABLE_SWIPING_BETWEEN_TABS, false)); + new TabLayoutMediator(tabLayout, viewPager2, (tab, position) -> { + switch (position) { + case 0: + tab.setText("Posts"); + case 1: + tab.setText("Sidebar"); + } + }).attach(); + + boolean viewSidebar = getIntent().getBooleanExtra(EXTRA_VIEW_SIDEBAR, false); + if (viewSidebar) { + viewPager2.setCurrentItem(1, false); + } } @Override @@ -904,17 +904,17 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp } } - private class SectionsPagerAdapter extends FragmentPagerAdapter { - private PostFragment postFragment; - private SidebarFragment sidebarFragment; + private class SectionsPagerAdapter extends FragmentStateAdapter { + /*private PostFragment postFragment; + private SidebarFragment sidebarFragment;*/ - SectionsPagerAdapter(FragmentManager fm) { - super(fm, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT); + SectionsPagerAdapter(FragmentManager fm, Lifecycle lifecycle) { + super(fm, lifecycle); } @NonNull @Override - public Fragment getItem(int position) { + public Fragment createFragment(int position) { if (position == 0) { PostFragment fragment = new PostFragment(); Bundle bundle = new Bundle(); @@ -933,118 +933,93 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp return fragment; } - @Override - public int getCount() { - return 2; - } - - @Override - public CharSequence getPageTitle(int position) { - switch (position) { - case 0: - return "Posts"; - case 1: - return "Sidebar"; - } - return null; - } - - @NonNull - @Override - public Object instantiateItem(@NonNull ViewGroup container, int position) { - Fragment fragment = (Fragment) super.instantiateItem(container, position); - switch (position) { - case 0: - postFragment = (PostFragment) fragment; - displaySortTypeInToolbar(); - break; - case 1: - sidebarFragment = (SidebarFragment) fragment; + @Nullable + private Fragment getCurrentFragment() { + if (fragmentManager == null) { + return null; } - return fragment; + return fragmentManager.findFragmentByTag("f" + viewPager2.getCurrentItem()); } public boolean handleKeyDown(int keyCode) { - return viewPager.getCurrentItem() == 0 && postFragment.handleKeyDown(keyCode); + if (viewPager2.getCurrentItem() == 0) { + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + return ((PostFragment) fragment).handleKeyDown(keyCode); + } + } + return false; } public void refresh() { - if (viewPager.getCurrentItem() == 0) { - if (postFragment != null) { - postFragment.refresh(); - } - } else { - if (sidebarFragment != null) { - sidebarFragment.fetchSubredditData(); - } + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + ((PostFragment) fragment).refresh(); + } else if (fragment instanceof SidebarFragment) { + ((SidebarFragment) fragment).fetchSubredditData(); } } boolean startLazyMode() { - if (postFragment != null) { - return ((FragmentCommunicator) postFragment).startLazyMode(); + Fragment fragment = getCurrentFragment(); + if (fragment instanceof FragmentCommunicator) { + return ((FragmentCommunicator) fragment).startLazyMode(); } return false; } void stopLazyMode() { - if (postFragment != null) { - ((FragmentCommunicator) postFragment).stopLazyMode(); - } - } - - void resumeLazyMode() { - if (postFragment != null) { - ((FragmentCommunicator) postFragment).resumeLazyMode(false); - } - } - - void pauseLazyMode() { - if (postFragment != null) { - ((FragmentCommunicator) postFragment).pauseLazyMode(false); + Fragment fragment = getCurrentFragment(); + if (fragment instanceof FragmentCommunicator) { + ((FragmentCommunicator) fragment).stopLazyMode(); } } public void changeSortType(SortType sortType) { - if (postFragment != null) { - postFragment.changeSortType(sortType); - displaySortTypeInToolbar(); + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + ((PostFragment) fragment).changeSortType(sortType); + Utils.displaySortTypeInToolbar(sortType, toolbar); } } public void changeNSFW(boolean nsfw) { - if (postFragment != null) { - postFragment.changeNSFW(nsfw); + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + ((PostFragment) fragment).changeNSFW(nsfw); } } void changePostLayout(int postLayout) { - if (postFragment != null) { - mPostLayoutSharedPreferences.edit().putInt(SharedPreferencesUtils.POST_LAYOUT_SUBREDDIT_POST_BASE + subredditName, postLayout).apply(); - ((FragmentCommunicator) postFragment).changePostLayout(postLayout); + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + ((PostFragment) fragment).changePostLayout(postLayout); } } void goBackToTop() { - if (viewPager.getCurrentItem() == 0) { - if (postFragment != null) { - postFragment.goBackToTop(); - } - } else { - if (sidebarFragment != null) { - sidebarFragment.goBackToTop(); - } + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + ((PostFragment) fragment).goBackToTop(); + } else if (fragment instanceof SidebarFragment) { + ((SidebarFragment) fragment).goBackToTop(); } } void displaySortTypeInToolbar() { - if (viewPager.getCurrentItem() == 0) { - if (postFragment != null) { - SortType sortType = postFragment.getSortType(); + if (fragmentManager != null) { + Fragment fragment = fragmentManager.findFragmentByTag("f" + viewPager2.getCurrentItem()); + if (fragment instanceof PostFragment) { + SortType sortType = ((PostFragment) fragment).getSortType(); Utils.displaySortTypeInToolbar(sortType, toolbar); } } } + + @Override + public int getItemCount() { + return 2; + } } private void lockSwipeRightToGoBack() { diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewUserDetailActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewUserDetailActivity.java index c59aaf80..e56345a2 100644 --- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewUserDetailActivity.java +++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewUserDetailActivity.java @@ -12,7 +12,6 @@ import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; import android.view.View; -import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import android.widget.LinearLayout; @@ -20,13 +19,15 @@ import android.widget.TextView; import android.widget.Toast; import androidx.annotation.NonNull; +import androidx.annotation.Nullable; import androidx.appcompat.widget.Toolbar; import androidx.coordinatorlayout.widget.CoordinatorLayout; import androidx.fragment.app.Fragment; import androidx.fragment.app.FragmentManager; -import androidx.fragment.app.FragmentPagerAdapter; +import androidx.lifecycle.Lifecycle; import androidx.lifecycle.ViewModelProvider; -import androidx.viewpager.widget.ViewPager; +import androidx.viewpager2.adapter.FragmentStateAdapter; +import androidx.viewpager2.widget.ViewPager2; import com.bumptech.glide.Glide; import com.bumptech.glide.RequestManager; @@ -37,6 +38,7 @@ import com.google.android.material.chip.Chip; import com.google.android.material.dialog.MaterialAlertDialogBuilder; import com.google.android.material.snackbar.Snackbar; import com.google.android.material.tabs.TabLayout; +import com.google.android.material.tabs.TabLayoutMediator; import com.r0adkll.slidr.Slidr; import com.r0adkll.slidr.model.SlidrInterface; @@ -104,7 +106,7 @@ public class ViewUserDetailActivity extends BaseActivity implements SortTypeSele @BindView(R.id.coordinator_layout_view_user_detail_activity) CoordinatorLayout coordinatorLayout; @BindView(R.id.view_pager_view_user_detail_activity) - ViewPager viewPager; + ViewPager2 viewPager2; @BindView(R.id.appbar_layout_view_user_detail) AppBarLayout appBarLayout; @BindView(R.id.toolbar_view_user_detail_activity) @@ -149,6 +151,7 @@ public class ViewUserDetailActivity extends BaseActivity implements SortTypeSele @Inject CustomThemeWrapper mCustomThemeWrapper; public UserViewModel userViewModel; + private FragmentManager fragmentManager; private SectionsPagerAdapter sectionsPagerAdapter; private SubscribedUserDao subscribedUserDao; private RequestManager glide; @@ -198,6 +201,8 @@ public class ViewUserDetailActivity extends BaseActivity implements SortTypeSele username = getIntent().getStringExtra(EXTRA_USER_NAME_KEY); + fragmentManager = getSupportFragmentManager(); + if (savedInstanceState == null) { mMessageFullname = getIntent().getStringExtra(EXTRA_MESSAGE_FULLNAME); mNewAccountName = getIntent().getStringExtra(EXTRA_NEW_ACCOUNT_NAME); @@ -509,21 +514,22 @@ public class ViewUserDetailActivity extends BaseActivity implements SortTypeSele } private void initializeViewPager() { - sectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager()); - viewPager.setAdapter(sectionsPagerAdapter); - viewPager.setOffscreenPageLimit(2); - tabLayout.setupWithViewPager(viewPager); + sectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager(), getLifecycle()); + viewPager2.setAdapter(sectionsPagerAdapter); + viewPager2.setOffscreenPageLimit(2); + viewPager2.setUserInputEnabled(!mSharedPreferences.getBoolean(SharedPreferencesUtils.DISABLE_SWIPING_BETWEEN_TABS, false)); + new TabLayoutMediator(tabLayout, viewPager2, (tab, position) -> { + switch (position) { + case 0: + tab.setText("Posts"); + case 1: + tab.setText("Comments"); + } + }).attach(); - viewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { + viewPager2.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() { @Override public void onPageSelected(int position) { - if (isInLazyMode) { - if (viewPager.getCurrentItem() == 0) { - sectionsPagerAdapter.resumeLazyMode(); - } else { - sectionsPagerAdapter.pauseLazyMode(); - } - } if (position == 0) { unlockSwipeRightToGoBack(); } else { @@ -809,17 +815,15 @@ public class ViewUserDetailActivity extends BaseActivity implements SortTypeSele } } - private class SectionsPagerAdapter extends FragmentPagerAdapter { - private PostFragment postFragment; - private CommentsListingFragment commentsListingFragment; + private class SectionsPagerAdapter extends FragmentStateAdapter { - SectionsPagerAdapter(FragmentManager fm) { - super(fm, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT); + SectionsPagerAdapter(FragmentManager fm, Lifecycle lifecycle) { + super(fm, lifecycle); } @NonNull @Override - public Fragment getItem(int position) { + public Fragment createFragment(int position) { if (position == 0) { PostFragment fragment = new PostFragment(); Bundle bundle = new Bundle(); @@ -843,134 +847,100 @@ public class ViewUserDetailActivity extends BaseActivity implements SortTypeSele } @Override - public int getCount() { + public int getItemCount() { return 2; } - @Override - public CharSequence getPageTitle(int position) { - switch (position) { - case 0: - return "Posts"; - case 1: - return "Comments"; - } - return null; - } - - @NonNull - @Override - public Object instantiateItem(@NonNull ViewGroup container, int position) { - Fragment fragment = (Fragment) super.instantiateItem(container, position); - switch (position) { - case 0: - postFragment = (PostFragment) fragment; - break; - case 1: - commentsListingFragment = (CommentsListingFragment) fragment; + @Nullable + private Fragment getCurrentFragment() { + if (viewPager2 == null || fragmentManager == null) { + return null; } - displaySortTypeInToolbar(); - return fragment; + return fragmentManager.findFragmentByTag("f" + viewPager2.getCurrentItem()); } public boolean handleKeyDown(int keyCode) { - return viewPager.getCurrentItem() == 0 && postFragment.handleKeyDown(keyCode); + if (viewPager2.getCurrentItem() == 0) { + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + return ((PostFragment) fragment).handleKeyDown(keyCode); + } + } + return false; } public void refresh() { - if (viewPager.getCurrentItem() == 0) { - if (postFragment != null) { - postFragment.refresh(); - } - } else { - if (commentsListingFragment != null) { - commentsListingFragment.refresh(); - } + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + ((PostFragment) fragment).refresh(); + } else if (fragment instanceof CommentsListingFragment) { + ((CommentsListingFragment) fragment).refresh(); } } boolean startLazyMode() { - if (postFragment != null) { - return ((FragmentCommunicator) postFragment).startLazyMode(); + Fragment fragment = getCurrentFragment(); + if (fragment instanceof FragmentCommunicator) { + return ((FragmentCommunicator) fragment).startLazyMode(); } return false; } void stopLazyMode() { - if (postFragment != null) { - ((FragmentCommunicator) postFragment).stopLazyMode(); - } - } - - void resumeLazyMode() { - if (postFragment != null) { - ((FragmentCommunicator) postFragment).resumeLazyMode(false); - } - } - - void pauseLazyMode() { - if (postFragment != null) { - ((FragmentCommunicator) postFragment).pauseLazyMode(false); + Fragment fragment = getCurrentFragment(); + if (fragment instanceof FragmentCommunicator) { + ((FragmentCommunicator) fragment).stopLazyMode(); } } public void changeSortType(SortType sortType) { - if (viewPager.getCurrentItem() == 0) { - if (postFragment != null) { - postFragment.changeSortType(sortType); - } - } else { - if (commentsListingFragment != null) { - mSortTypeSharedPreferences.edit().putString(SharedPreferencesUtils.SORT_TYPE_USER_COMMENT, sortType.getType().name()).apply(); - if(sortType.getTime() != null) { - mSortTypeSharedPreferences.edit().putString(SharedPreferencesUtils.SORT_TIME_USER_COMMENT, sortType.getTime().name()).apply(); - } - - commentsListingFragment.changeSortType(sortType); + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + ((PostFragment) fragment).changeSortType(sortType); + Utils.displaySortTypeInToolbar(sortType, toolbar); + } else if (fragment instanceof CommentsListingFragment) { + mSortTypeSharedPreferences.edit().putString(SharedPreferencesUtils.SORT_TYPE_USER_COMMENT, sortType.getType().name()).apply(); + if(sortType.getTime() != null) { + mSortTypeSharedPreferences.edit().putString(SharedPreferencesUtils.SORT_TIME_USER_COMMENT, sortType.getTime().name()).apply(); } + ((CommentsListingFragment) fragment).changeSortType(sortType); + Utils.displaySortTypeInToolbar(sortType, toolbar); } - displaySortTypeInToolbar(); } public void changeNSFW(boolean nsfw) { - if (postFragment != null) { - postFragment.changeNSFW(nsfw); + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + ((PostFragment) fragment).changeNSFW(nsfw); } } void changePostLayout(int postLayout) { - if (postFragment != null) { - mPostLayoutSharedPreferences.edit().putInt(SharedPreferencesUtils.POST_LAYOUT_USER_POST_BASE + username, postLayout).apply(); - ((FragmentCommunicator) postFragment).changePostLayout(postLayout); + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + ((PostFragment) fragment).changePostLayout(postLayout); } } void goBackToTop() { - if (viewPager.getCurrentItem() == 0) { - if (postFragment != null) { - postFragment.goBackToTop(); - } - } else { - if (commentsListingFragment != null) { - commentsListingFragment.goBackToTop(); - } + Fragment fragment = getCurrentFragment(); + if (fragment instanceof PostFragment) { + ((PostFragment) fragment).goBackToTop(); + } else if (fragment instanceof CommentsListingFragment) { + ((CommentsListingFragment) fragment).goBackToTop(); } } void displaySortTypeInToolbar() { - switch (viewPager.getCurrentItem()) { - case 0: - if (postFragment != null) { - SortType sortType = postFragment.getSortType(); - Utils.displaySortTypeInToolbar(sortType, toolbar); - } - break; - case 1: - if (commentsListingFragment != null) { - SortType sortType = commentsListingFragment.getSortType(); - Utils.displaySortTypeInToolbar(sortType, toolbar); - } - break; + if (fragmentManager != null) { + Fragment fragment = fragmentManager.findFragmentByTag("f" + viewPager2.getCurrentItem()); + if (fragment instanceof PostFragment) { + SortType sortType = ((PostFragment) fragment).getSortType(); + Utils.displaySortTypeInToolbar(sortType, toolbar); + } else if (fragment instanceof CommentsListingFragment) { + SortType sortType = ((CommentsListingFragment) fragment).getSortType(); + Utils.displaySortTypeInToolbar(sortType, toolbar); + } } } } |