allow longer channel names (if you include the # prefix and suffix

.idea/vcs.xml

@@ -5,6 +5,5 @@
     <mapping directory="$PROJECT_DIR$/app/src/main/proto" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/design" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/geeksville-androidlib" vcs="Git" />
-    <mapping directory="$PROJECT_DIR$/mesh_shared/src/main/proto" vcs="Git" />
   </component>
 </project>

app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt

@@ -243,7 +243,7 @@ class ChannelFragment : ScreenFragment("Channel"), Logging {
                                 val random = SecureRandom()
                                 val bytes = ByteArray(32)
                                 random.nextBytes(bytes)
-                                newSettings.name = newName // Only change the name if the user did some editing
+                                newSettings.name = newName
                                 newSettings.psk = ByteString.copyFrom(bytes)
                             } else {
                                 debug("Switching back to default channel")

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

@@ -24,7 +24,7 @@
             android:digits="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890- "
             android:hint="@string/channel_name"
             android:imeOptions="actionDone"
-            android:maxLength="11"
+            android:maxLength="15"
             android:singleLine="true"
             android:text="@string/unset" />
     </com.google.android.material.textfield.TextInputLayout>