fix: habits with long description could not be saved

- That was due to a bug where the dialog was not resized
    or scrollable and therefore the save button was not
    accessible

References: #462

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/edit/EditHabitDialog.java

@@ -19,6 +19,7 @@
 
 package org.isoron.uhabits.activities.habits.edit;
 
+import android.app.Dialog;
 import android.content.*;
 import android.os.*;
 import android.support.annotation.*;
@@ -117,6 +118,17 @@ public class EditHabitDialog extends AppCompatDialogFragment
         return view;
     }
 
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        final Dialog dialog = super.onCreateDialog(savedInstanceState);
+        final Window window = dialog.getWindow();
+        if (window != null) {
+            window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
+        }
+        return dialog;
+    }
+
     protected int getTitle()
     {
         if (originalHabit != null) return R.string.edit_habit;

uhabits-android/src/main/res/layout/edit_habit.xml

@@ -17,11 +17,14 @@
   ~ with this program. If not, see <http://www.gnu.org/licenses/>.
   -->
 
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content">
+
     <LinearLayout
         android:id="@+id/container"
         style="@style/dialogForm"
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
         tools:context=".activities.habits.edit.EditHabitDialog"
         tools:ignore="MergeRootFrame">
 
@@ -56,10 +59,10 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:gravity="end"
-        android:paddingEnd="16dp"
+            android:paddingStart="0dp"
             android:paddingLeft="0dp"
-        android:paddingRight="16dp"
-        android:paddingStart="0dp">
+            android:paddingEnd="16dp"
+            android:paddingRight="16dp">
 
             <Button
                 android:id="@+id/buttonDiscard"
@@ -76,3 +79,4 @@
                 android:text="@string/save" />
         </LinearLayout>
     </LinearLayout>
+</ScrollView>