1 files changed, 95 insertions, 0 deletions
diff --git a/library/main/src/com/android/setupwizardlib/template/HeaderMixin.java b/library/main/src/com/android/setupwizardlib/template/HeaderMixin.java
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index 0000000..bd3f210
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+++ b/library/main/src/com/android/setupwizardlib/template/HeaderMixin.java
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+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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 com.android.setupwizardlib.template;
+
+import android.content.res.TypedArray;
+import android.support.annotation.AttrRes;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.AttributeSet;
+import android.widget.TextView;
+
+import com.android.setupwizardlib.R;
+import com.android.setupwizardlib.TemplateLayout;
+
+/**
+ * A {@link Mixin} for setting and getting the header text.
+ */
+public class HeaderMixin implements Mixin {
+
+    private TemplateLayout mTemplateLayout;
+
+    /**
+     * @param layout The layout this Mixin belongs to.
+     * @param attrs XML attributes given to the layout.
+     * @param defStyleAttr The default style attribute as given to the constructor of the layout.
+     */
+    public HeaderMixin(@NonNull TemplateLayout layout, @Nullable AttributeSet attrs,
+            @AttrRes int defStyleAttr) {
+        mTemplateLayout = layout;
+
+        final TypedArray a = layout.getContext().obtainStyledAttributes(
+                attrs, R.styleable.SuwHeaderMixin, defStyleAttr, 0);
+
+        // Set the header text
+        final CharSequence headerText = a.getText(R.styleable.SuwHeaderMixin_suwHeaderText);
+        if (headerText != null) {
+            setText(headerText);
+        }
+
+        a.recycle();
+    }
+
+    /**
+     * @return The TextView displaying the header.
+     */
+    public TextView getTextView() {
+        return (TextView) mTemplateLayout.findManagedViewById(R.id.suw_layout_title);
+    }
+
+    /**
+     * Sets the header text. This can also be set via the XML attribute {@code app:suwHeaderText}.
+     *
+     * @param title The resource ID of the text to be set as header.
+     */
+    public void setText(int title) {
+        final TextView titleView = getTextView();
+        if (titleView != null) {
+            titleView.setText(title);
+        }
+    }
+
+    /**
+     * Sets the header text. This can also be set via the XML attribute {@code app:suwHeaderText}.
+     *
+     * @param title The text to be set as header.
+     */
+    public void setText(CharSequence title) {
+        final TextView titleView = getTextView();
+        if (titleView != null) {
+            titleView.setText(title);
+        }
+    }
+
+    /**
+     * @return The current header text.
+     */
+    public CharSequence getText() {
+        final TextView titleView = getTextView();
+        return titleView != null ? titleView.getText() : null;
+    }
+}