Adding a warning button when notification access is not available

Bug: 63418030
Change-Id: I4c2c497d989902ac002314a3b8fb97083757958b

1 files changed, 70 insertions, 0 deletions

diff --git a/src/com/android/launcher3/views/ButtonPreference.java b/src/com/android/launcher3/views/ButtonPreference.java
new file mode 100644
index 000000000..4697e25e4
--- /dev/null
+++ b/src/com/android/launcher3/views/ButtonPreference.java
@@ -0,0 +1,70 @@
+/*
+ * 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.launcher3.views;
+
+import android.content.Context;
+import android.preference.Preference;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * Extension of {@link Preference} which makes the widget layout clickable.
+ *
+ * @see #setWidgetLayoutResource(int)
+ */
+public class ButtonPreference extends Preference {
+
+    private View.OnClickListener mClickListener;
+
+    public ButtonPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    public ButtonPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public ButtonPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public ButtonPreference(Context context) {
+        super(context);
+    }
+
+    public void setButtonOnClickListener(View.OnClickListener clickListener) {
+        if (mClickListener != clickListener) {
+            mClickListener = clickListener;
+            notifyChanged();
+        }
+    }
+
+    @Override
+    protected void onBindView(View view) {
+        super.onBindView(view);
+
+        ViewGroup widgetFrame = view.findViewById(android.R.id.widget_frame);
+        if (widgetFrame != null) {
+            View button = widgetFrame.getChildAt(0);
+            if (button != null) {
+                button.setOnClickListener(mClickListener);
+            }
+            widgetFrame.setVisibility(
+                    (mClickListener == null || button == null) ? View.GONE : View.VISIBLE);
+        }
+    }
+}