Add back "always show alt text" and "back button enables alt text"

Author: tom-anders

app/src/main/java/de/tap/easy_xkcd/comicBrowsing/ComicBrowserBaseFragment.kt

@@ -11,6 +11,7 @@ import android.text.Html
 import android.transition.TransitionInflater
 import android.view.*
 import android.widget.*
+import androidx.activity.addCallback
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.browser.customtabs.CustomTabsIntent
@@ -100,6 +101,18 @@ abstract class ComicBrowserBaseFragment : Fragment() {
 
         }
 
+        activity?.onBackPressedDispatcher
+            ?.addCallback {
+                if (prefHelper.altBackButton()) {
+                    showAltText()
+                } else {
+                    if (isEnabled) {
+                        isEnabled = false
+                        activity?.onBackPressed()
+                    }
+                }
+            }
+
         return binding.root
     }
 
@@ -161,7 +174,7 @@ abstract class ComicBrowserBaseFragment : Fragment() {
             }
 
             fun altOrFullscreen(singleTap: Boolean) {
-                if (singleTap xor prefHelper.altLongTap()) {
+                if ((singleTap xor prefHelper.altLongTap()) && !prefHelper.alwaysShowAltText()) {
                     if (prefHelper.altVibration()) {
                         (activity?.getSystemService(Context.VIBRATOR_SERVICE) as? Vibrator?)?.vibrate(10)
                     }
@@ -208,6 +221,11 @@ abstract class ComicBrowserBaseFragment : Fragment() {
                     holder.image.setOnDoubleTapListener(it)
                     holder.image.setOnLongClickListener(it)
                 }
+
+                if (prefHelper.alwaysShowAltText()) {
+                    holder.altText.text = comic.altText
+                    holder.altText.visibility = View.VISIBLE
+                }
             }
 
             super.onBindViewHolder(holder, position)
@@ -240,6 +258,9 @@ abstract class ComicBrowserBaseFragment : Fragment() {
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
         MenuCompat.setGroupDividerEnabled(menu, true)
+
+        menu.findItem(R.id.action_alt)?.isVisible = prefHelper.showAltTip() && !prefHelper.alwaysShowAltText()
+
         super.onCreateOptionsMenu(menu, inflater)
     }
 

app/src/main/java/de/tap/easy_xkcd/comicBrowsing/FavoritesFragment.kt

@@ -117,7 +117,6 @@ class FavoritesFragment : ComicBrowserBaseFragment() {
 
     override fun onPrepareOptionsMenu(menu: Menu) {
         menu.findItem(R.id.action_favorite)?.setIcon(R.drawable.ic_favorite_on_24dp)
-        menu.findItem(R.id.action_alt)?.isVisible = prefHelper.showAltTip()
         super.onPrepareOptionsMenu(menu)
     }
 

app/src/main/java/de/tap/easy_xkcd/utils/PrefHelper.java

@@ -65,6 +65,7 @@ public class PrefHelper {
     private static final String LAST_COMIC = "Last Comic";
     private static final String ALT_VIBRATION = "pref_alt";
     private static final String ALT_BACK = "pref_alt_back";
+    private static final String ALT_ALWAYS_SHOW = "pref_show_alt";
     private static final String ALT_TIP = "alt_tip";
     private static final String WHAT_IF_TIP = "whatif_tip";
     private static final String RANDOM_TIP = "random_tip";
@@ -261,6 +262,10 @@ public boolean altBackButton() {
         return prefs.getStringSet(ALT_OPTIONS, new HashSet<String>()).contains(ALT_BACK);
     }
 
+    public boolean alwaysShowAltText() {
+        return prefs.getStringSet(ALT_OPTIONS, new HashSet<String>()).contains(ALT_ALWAYS_SHOW);
+    }
+
     public boolean showAltTip() {
         return sharedPrefs.getBoolean(ALT_TIP, true);
     }

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

@@ -37,7 +37,8 @@
         android:layout_alignParentBottom="true"
         android:layout_height="wrap_content"
         android:layout_marginLeft="@dimen/activity_horizontal_margin"
-        android:layout_marginRight="@dimen/text_alt_margin_right"
+        android:layout_marginRight="@dimen/activity_horizontal_margin"
+        android:layout_marginBottom="30dp"
         android:layout_width="match_parent"
         android:textSize="@dimen/text_body1"
         android:visibility="gone" >