ui: purplize dialog headers (huge hack inside)

1 files changed, 40 insertions, 0 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/CustomAlertDialogBuilder.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/CustomAlertDialogBuilder.java
new file mode 100644
index 000000000..4b40b7ef1
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/CustomAlertDialogBuilder.java
@@ -0,0 +1,40 @@
+package org.sufficientlysecure.keychain.ui.dialog;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.view.View;
+import android.widget.TextView;
+
+import org.sufficientlysecure.keychain.R;
+
+/** This class extends AlertDiaog.Builder, styling the header using emphasis color.
+ * Note that this class is a huge hack, because dialog boxes aren't easily stylable.
+ * Also, the dialog NEEDS to be called with show() directly, not create(), otherwise
+ * the order of internal operations will lead to a crash!
+ */
+public class CustomAlertDialogBuilder extends AlertDialog.Builder {
+
+    public CustomAlertDialogBuilder(Activity activity) {
+        super(activity);
+    }
+
+    @Override
+    public AlertDialog show() {
+        AlertDialog dialog = super.show();
+
+        int dividerId = dialog.getContext().getResources().getIdentifier("android:id/titleDivider", null, null);
+        View divider = dialog.findViewById(dividerId);
+        if (divider != null) {
+            divider.setBackgroundColor(dialog.getContext().getResources().getColor(R.color.emphasis));
+        }
+
+        int textViewId = dialog.getContext().getResources().getIdentifier("android:id/alertTitle", null, null);
+        TextView tv = (TextView) dialog.findViewById(textViewId);
+        if (tv != null) {
+            tv.setTextColor(dialog.getContext().getResources().getColor(R.color.emphasis));
+        }
+
+        return dialog;
+    }
+
+}