Rename the new bubble package name from "bubble" to "newbubble".

It fixes AOSP for package name conflict.

Test: manual
PiperOrigin-RevId: 173298696
Change-Id: Id10ebe0bcf029e61f65cf6580c7198abd8395081
diff --git a/java/com/android/newbubble/NewCheckableButton.java b/java/com/android/newbubble/NewCheckableButton.java
new file mode 100644
index 0000000..63525a4
--- /dev/null
+++ b/java/com/android/newbubble/NewCheckableButton.java
@@ -0,0 +1,87 @@
+/*
+ * 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.newbubble;
+
+import android.content.Context;
+import android.support.v4.view.AccessibilityDelegateCompat;
+import android.support.v4.view.ViewCompat;
+import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
+import android.support.v7.widget.AppCompatButton;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.accessibility.AccessibilityEvent;
+import android.widget.Checkable;
+
+/**
+ * A {@link android.widget.Button Button} that implements {@link Checkable} and propagates the
+ * checkable state
+ */
+public class NewCheckableButton extends AppCompatButton implements Checkable {
+
+  private boolean mChecked;
+
+  public NewCheckableButton(Context context) {
+    this(context, null);
+  }
+
+  public NewCheckableButton(Context context, AttributeSet attrs) {
+    this(context, attrs, android.R.attr.imageButtonStyle);
+  }
+
+  public NewCheckableButton(Context context, AttributeSet attrs, int defStyleAttr) {
+    super(context, attrs, defStyleAttr);
+
+    ViewCompat.setAccessibilityDelegate(
+        this,
+        new AccessibilityDelegateCompat() {
+          @Override
+          public void onInitializeAccessibilityEvent(View host, AccessibilityEvent event) {
+            super.onInitializeAccessibilityEvent(host, event);
+            event.setChecked(isChecked());
+          }
+
+          @Override
+          public void onInitializeAccessibilityNodeInfo(
+              View host, AccessibilityNodeInfoCompat info) {
+            super.onInitializeAccessibilityNodeInfo(host, info);
+            info.setCheckable(true);
+            info.setChecked(isChecked());
+          }
+        });
+  }
+
+  @Override
+  public void setChecked(boolean checked) {
+    if (mChecked != checked) {
+      mChecked = checked;
+      setTextColor(
+          checked
+              ? getContext().getColor(R.color.bubble_button_text_color_blue)
+              : getContext().getColor(R.color.bubble_button_text_color_black));
+    }
+  }
+
+  @Override
+  public boolean isChecked() {
+    return mChecked;
+  }
+
+  @Override
+  public void toggle() {
+    setChecked(!mChecked);
+  }
+}