Inverse background of EditTextPreference for older android versions

app/src/main/java/de/danoeh/antennapod/preferences/CustomEditTextPreference.java

@@ -0,0 +1,28 @@
+package de.danoeh.antennapod.preferences;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.os.Build;
+import android.preference.EditTextPreference;
+import android.util.AttributeSet;
+
+public class CustomEditTextPreference extends EditTextPreference {
+
+    public CustomEditTextPreference(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    public CustomEditTextPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public CustomEditTextPreference(Context context) {
+        super(context);
+    }
+
+    @Override
+    protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
+        builder.setInverseBackgroundForced(Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB);
+    }
+
+}

app/src/main/res/xml/preferences.xml

@@ -95,7 +95,7 @@
             android:key="prefMobileUpdate"
             android:summary="@string/pref_mobileUpdate_sum"
             android:title="@string/pref_mobileUpdate_title"/>
-        <EditTextPreference
+        <de.danoeh.antennapod.preferences.CustomEditTextPreference
             android:defaultValue="6"
             android:inputType="number"
             android:key="prefParallelDownloads"