1. Set null content description for all labels of the chart.
2. Set 2 parts in the content description of the chart:
  I.  Brief description of the chart.
  II. Stats of the data usage.
Bug: 141093026
Test: ChartDataUsagePreferenceTest
      Manually listen to TalkBack speaking
Change-Id: I82cefd9987793f40a5bba5bf3ea5f4017da37640
		
	
		
			
				
	
	
		
			104 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			XML
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			XML
		
	
	
	
	
	
<!--
 | 
						|
    Copyright (C) 2016 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.
 | 
						|
-->
 | 
						|
<LinearLayout
 | 
						|
    xmlns:android="http://schemas.android.com/apk/res/android"
 | 
						|
    android:layout_width="match_parent"
 | 
						|
    android:layout_height="wrap_content"
 | 
						|
    android:orientation="vertical">
 | 
						|
 | 
						|
    <LinearLayout
 | 
						|
        android:id="@+id/graph_label_group"
 | 
						|
        android:layout_width="match_parent"
 | 
						|
        android:layout_height="0dp"
 | 
						|
        android:layout_weight="1"
 | 
						|
        android:orientation="horizontal"
 | 
						|
        android:clipChildren="false"
 | 
						|
        android:clipToPadding="false">
 | 
						|
 | 
						|
        <LinearLayout
 | 
						|
            android:id="@+id/label_group"
 | 
						|
            android:layout_width="@dimen/usage_graph_labels_width"
 | 
						|
            android:layout_height="match_parent"
 | 
						|
            android:orientation="vertical">
 | 
						|
 | 
						|
            <include android:id="@+id/label_top"
 | 
						|
                layout="@layout/usage_side_label"
 | 
						|
                android:contentDescription="@null" />
 | 
						|
 | 
						|
            <Space
 | 
						|
                android:id="@+id/space1"
 | 
						|
                android:layout_width="wrap_content"
 | 
						|
                android:layout_height="0dp"
 | 
						|
                android:layout_weight="1" />
 | 
						|
 | 
						|
            <include android:id="@+id/label_middle"
 | 
						|
                layout="@layout/usage_side_label"
 | 
						|
                android:contentDescription="@null" />
 | 
						|
 | 
						|
            <Space
 | 
						|
                android:id="@+id/space2"
 | 
						|
                android:layout_width="wrap_content"
 | 
						|
                android:layout_height="0dp"
 | 
						|
                android:layout_weight="1" />
 | 
						|
 | 
						|
            <include android:id="@+id/label_bottom"
 | 
						|
                layout="@layout/usage_side_label"
 | 
						|
                android:contentDescription="@null" />
 | 
						|
 | 
						|
        </LinearLayout>
 | 
						|
 | 
						|
        <com.android.settings.widget.UsageGraph
 | 
						|
            android:id="@+id/usage_graph"
 | 
						|
            android:layout_width="match_parent"
 | 
						|
            android:layout_height="match_parent"
 | 
						|
            android:layout_weight="1"
 | 
						|
            android:layout_marginTop="@dimen/usage_graph_margin_top_bottom"
 | 
						|
            android:layout_marginBottom="@dimen/usage_graph_margin_top_bottom" />
 | 
						|
 | 
						|
    </LinearLayout>
 | 
						|
 | 
						|
    <LinearLayout
 | 
						|
        android:id="@+id/bottom_label_group"
 | 
						|
        android:layout_width="match_parent"
 | 
						|
        android:layout_height="wrap_content"
 | 
						|
        android:orientation="horizontal">
 | 
						|
        <Space
 | 
						|
            android:id="@+id/bottom_label_space"
 | 
						|
            android:layout_width="@dimen/usage_graph_labels_width"
 | 
						|
            android:layout_height="wrap_content"/>
 | 
						|
        <com.android.settings.widget.BottomLabelLayout
 | 
						|
            android:layout_width="0dp"
 | 
						|
            android:layout_height="wrap_content"
 | 
						|
            android:layout_weight="1"
 | 
						|
            android:orientation="horizontal">
 | 
						|
            <include android:id="@+id/label_start"
 | 
						|
                layout="@layout/usage_side_label"
 | 
						|
                android:contentDescription="@null" />
 | 
						|
 | 
						|
            <Space
 | 
						|
                android:id="@+id/spacer"
 | 
						|
                android:layout_width="40dp"
 | 
						|
                android:layout_height="wrap_content"
 | 
						|
                android:layout_weight="1" />
 | 
						|
 | 
						|
            <include android:id="@+id/label_end"
 | 
						|
                layout="@layout/usage_side_label"
 | 
						|
                android:contentDescription="@null" />
 | 
						|
        </com.android.settings.widget.BottomLabelLayout>
 | 
						|
    </LinearLayout>
 | 
						|
 | 
						|
</LinearLayout>
 |