fix commands related bugs

src/main/java/eu/siacs/conversations/entities/Conversation.java

@@ -22,6 +22,7 @@ import android.text.StaticLayout;
 import android.text.TextPaint;
 import android.text.TextUtils;
 import android.text.TextWatcher;
+import android.text.util.Linkify;
 import android.util.DisplayMetrics;
 import android.util.LruCache;
 import android.util.Pair;
@@ -106,6 +107,7 @@ import eu.siacs.conversations.databinding.CommandResultFieldBinding;
 import eu.siacs.conversations.databinding.CommandSearchListFieldBinding;
 import eu.siacs.conversations.databinding.CommandSpinnerFieldBinding;
 import eu.siacs.conversations.databinding.CommandTextFieldBinding;
+import eu.siacs.conversations.databinding.CommandUnknownBinding;
 import eu.siacs.conversations.databinding.CommandWebviewBinding;
 import eu.siacs.conversations.databinding.DialogQuickeditBinding;
 import eu.siacs.conversations.http.HttpConnectionManager;
@@ -2047,6 +2049,7 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
                             return true;
                         });
                         binding.text.setMovementMethod(method);
+                        Linkify.addLinks(binding.text, Linkify.ALL);
                     }
                 }
             }
@@ -2170,7 +2173,7 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
                     } else {
                         filteredOptions = options.stream().filter(o -> o.toString().replaceAll("\\W", "").toLowerCase().contains(q)).collect(Collectors.toList());
                     }
-                    adapter = new ArrayAdapter(binding.getRoot().getContext(), R.layout.simple_list_item, filteredOptions);
+                    adapter = new ArrayAdapter(binding.getRoot().getContext(), R.layout.simple_list_item_selectable_text, filteredOptions);
                     binding.list.setAdapter(adapter);
 
                     int checkedPos = filteredOptions.indexOf(new Option(mValue.getContent(), ""));
@@ -2394,7 +2397,7 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
                             break;
                         }
                     }
-                    if (defaultOption == null && !mValue.getContent().equals("")) {
+                    if (defaultOption == null && mValue.getContent() != null && !mValue.getContent().equals("")) {
                         // Synthesize default option for custom value
                         defaultOption = new Option(mValue.getContent(), mValue.getContent());
                     }
@@ -2542,6 +2545,13 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
                 }
             }
 
+            class UnknownViewHolder extends ViewHolder<CommandUnknownBinding> {
+                public UnknownViewHolder(CommandUnknownBinding binding) { super(binding); }
+
+                @Override
+                public void bind(Item item) {}
+            }
+
             class Item {
                 protected Element el;
                 protected int viewType;
@@ -2634,7 +2644,7 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
             }
 
             protected Field mkField(Element el) {
-                int viewType = -1;
+                int viewType = TYPE_UNKNOWN;
 
                 String formType = responseElement.getAttribute("type");
                 if (formType != null) {
@@ -2666,10 +2676,6 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
                         }
                     }
 
-                    if (viewType == -1) {
-                        throw new RuntimeException("Invalid field " + responseElement.getName() + " " + formType + " " + fieldType + " " + el.getName() + " " + el);
-                    }
-
                     return new Field(eu.siacs.conversations.xmpp.forms.Field.parse(el), viewType);
                 }
 
@@ -2677,7 +2683,7 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
             }
 
             protected Item mkItem(Element el, int pos) {
-                int viewType = -1;
+                int viewType = TYPE_UNKNOWN;
 
                 if (response != null && response.getType() == IqPacket.TYPE.RESULT) {
                     if (el.getName().equals("note")) {
@@ -2693,22 +2699,10 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
                             return field;
                         }
                     }
-
-                    if (viewType == -1) {
-                        throw new RuntimeException("Invalid element " + el.getName() + " " + el.getNamespace() + " " + el);
-                    }
                 } else if (response != null) {
                     viewType = TYPE_ERROR;
                 }
 
-                if (viewType == -1) {
-                    if (responseElement == null) {
-                        throw new RuntimeException("Invalid element - nullable response");
-                    } else {
-                        throw new RuntimeException("Invalid element, type " + response.getType());
-                    }
-                }
-
                 Item item = new Item(el, viewType);
                 items.put(pos, item);
                 return item;
@@ -2718,7 +2712,7 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
                 protected Context ctx;
 
                 public ActionsAdapter(Context ctx) {
-                    super(ctx, R.layout.simple_list_item);
+                    super(ctx, R.layout.simple_list_item_selectable_text);
                     this.ctx = ctx;
                 }
 
@@ -2774,6 +2768,8 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
             final int TYPE_ITEM_CARD = 12;
             final int TYPE_BUTTON_GRID_FIELD = 13;
 
+            final int TYPE_UNKNOWN = 100;
+
             protected boolean executing = false;
             protected boolean loading = false;
             protected boolean loadingHasBeenLong = false;
@@ -3142,6 +3138,10 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
                         CommandProgressBarBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_progress_bar, container, false);
                         return new ProgressBarViewHolder(binding);
                     }
+                    case TYPE_UNKNOWN: {
+                        CommandUnknownBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_unknown, container, false);
+                        return new UnknownViewHolder(binding);
+                    }
                     default:
                         throw new IllegalArgumentException("Unknown viewType: " + viewType + " based on: " + response);
                 }

src/main/res/layout/command_button.xml

@@ -4,5 +4,6 @@
     android:id="@+id/command"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
+    android:textIsSelectable="true"
     style="?android:attr/buttonStyleSmall" />
 </layout>

src/main/res/layout/command_button_grid_field.xml

@@ -22,6 +22,7 @@
             android:id="@+id/desc"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:textIsSelectable="true"
             android:paddingLeft="16dp"
             android:paddingRight="8dp"
             android:gravity="center"

src/main/res/layout/command_checkbox_field.xml

@@ -30,6 +30,7 @@
                 android:id="@+id/desc"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:textIsSelectable="true"
                 android:paddingLeft="16dp"
                 android:textAppearance="@style/TextAppearance.Conversations.Status"
                 android:textColor="?android:textColorSecondary" />

src/main/res/layout/command_note.xml

@@ -24,6 +24,7 @@
             android:minHeight="?android:attr/listPreferredItemHeightSmall"
             android:paddingLeft="8dp"
             android:paddingRight="8dp"
+            android:textIsSelectable="true"
             android:textAppearance="@style/TextAppearance.Conversations.Body1"
             android:textColor="?attr/edit_text_color" />
 

src/main/res/layout/command_radio_edit_field.xml

@@ -44,6 +44,7 @@
             android:id="@+id/desc"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:textIsSelectable="true"
             android:paddingLeft="16dp"
             android:paddingRight="8dp"
             android:textAppearance="@style/TextAppearance.Conversations.Status"

src/main/res/layout/command_result_field.xml

@@ -46,6 +46,7 @@
             android:layout_height="wrap_content"
             android:paddingLeft="8dp"
             android:paddingRight="8dp"
+            android:textIsSelectable="true"
             android:textAppearance="@style/TextAppearance.Conversations.Status"
             android:textColor="?android:textColorSecondary" />
 

src/main/res/layout/command_row.xml

@@ -6,6 +6,7 @@
     android:id="@+id/command"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:textIsSelectable="true"
     android:gravity="center_vertical"
     android:minHeight="?android:attr/listPreferredItemHeightSmall"
     android:paddingLeft="@dimen/avatar_item_distance"

src/main/res/layout/command_search_list_field.xml

@@ -38,6 +38,7 @@
             android:id="@+id/desc"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:textIsSelectable="true"
             android:paddingLeft="16dp"
             android:paddingRight="8dp"
             android:textAppearance="@style/TextAppearance.Conversations.Status"

src/main/res/layout/command_spinner_field.xml

@@ -31,6 +31,7 @@
             android:layout_height="wrap_content"
             android:paddingLeft="16dp"
             android:paddingRight="8dp"
+            android:textIsSelectable="true"
             android:textAppearance="@style/TextAppearance.Conversations.Status"
             android:textColor="?android:textColorSecondary" />
 

src/main/res/layout/command_unknown.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <View
+        android:layout_width="0dp"
+        android:layout_height="0dp"/>
+
+</layout>

src/main/res/layout/simple_list_item_selectable_text.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?><!-- Copyright (C) 2006 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@android:id/text1"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:gravity="center_vertical"
+    android:minHeight="?android:attr/listPreferredItemHeightSmall"
+    android:paddingLeft="8dp"
+    android:paddingRight="8dp"
+    android:textIsSelectable="true"
+    android:textAppearance="@style/TextAppearance.Conversations.Body1"
+    android:textColor="?attr/edit_text_color"
+    android:background="@drawable/list_choice" />