Adjust font size in NumberPicker (getodk#2503)

collect_app/src/main/java/org/odk/collect/android/views/CustomNumberPicker.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2018 Nafundi
+ *
+ * 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.
+ */
+
+package org.odk.collect.android.views;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.NumberPicker;
+
+import org.odk.collect.android.application.Collect;
+
+public class CustomNumberPicker extends NumberPicker {
+
+    public CustomNumberPicker(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    public void addView(View view) {
+        super.addView(view);
+        updateView(view);
+    }
+
+    @Override
+    public void addView(View view, int index, android.view.ViewGroup.LayoutParams params) {
+        super.addView(view, index, params);
+        updateView(view);
+    }
+
+    @Override
+    public void addView(View view, android.view.ViewGroup.LayoutParams params) {
+        super.addView(view, params);
+        updateView(view);
+    }
+
+    private void updateView(View view) {
+        if (view instanceof EditText) {
+            ((EditText) view).setTextSize(Collect.getQuestionFontsize());
+        }
+    }
+}

collect_app/src/main/res/layout/number_picker_dialog.xml

@@ -13,11 +13,11 @@ limitations under the License.
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content">
-    <NumberPicker
+    <org.odk.collect.android.views.CustomNumberPicker
         android:id="@+id/number_picker"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:descendantFocusability="blocksDescendants"
         android:layout_gravity="center_horizontal">
-    </NumberPicker>
+    </org.odk.collect.android.views.CustomNumberPicker>
 </FrameLayout>