list_item.xml

       
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        <!--
       
       
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        Copyright 2013 The Android Open Source Project
       
       
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        Licensed under the Apache License, Version 2.0 (the "License");
       
       
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        you may not use this file except in compliance with the License.
       
       
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        You may obtain a copy of the License at
       
       
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        http://www.apache.org/licenses/LICENSE-2.0
       
       
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        Unless required by applicable law or agreed to in writing, software
       
       
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        distributed under the License is distributed on an "AS IS" BASIS,
       
       
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        WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
       
       
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        See the License for the specific language governing permissions and
       
       
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        limitations under the License.
       
       
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        -->
       
       
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        <!--
       
       
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        The ListView from sample_main.xml has a choiceMode set, meaning that when a user
       
       
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        selects a list item, the ListView will set the state for that item's root view
       
       
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        (this CheckableLinearLayout) to "checked". Note that this requires that the root view
       
       
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        implements the Checkable interface. Once the root view is checked, any children that
       
       
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        have the duplicateParentState attribute set will inherit this "checked" state.
       
       
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        -->
       
       
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        <com.example.android.customchoicelist.CheckableLinearLayout
       
       
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        xmlns:android="http://schemas.android.com/apk/res/android"
       
       
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        android:orientation="horizontal"
       
       
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        android:layout_width="match_parent"
       
       
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        android:layout_height="match_parent"
       
       
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        android:paddingLeft="8dp"
       
       
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        android:paddingRight="8dp"
       
       
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        android:minHeight="?android:listPreferredItemHeight"
       
       
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        android:gravity="center_vertical">
       
       
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        <!--
       
       
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        The duplicateParentState attribute on this TextView, along with the color state list
       
       
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        used in the textColor attribute causes its text color to change when its parent
       
       
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        is checked or unchecked.
       
       
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        -->
       
       
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        <TextView android:id="@android:id/text1"
       
       
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        android:duplicateParentState="true"
       
       
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        android:layout_width="0dp"
       
       
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        android:layout_weight="1"
       
       
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        android:layout_height="wrap_content"
       
       
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        android:textAppearance="?android:textAppearanceMedium"
       
       
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        android:textColor="@color/hideable_text_color" />
       
       
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        <!--
       
       
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        The duplicateParentState attribute on this ImageView, along with the state list
       
       
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        drawable in the src attribute causes its image to change when its parent
       
       
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        is checked or unchecked.
       
       
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        To use the standard radio or checkmark image, set the src to
       
       
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        ?android:listChoiceIndicatorMultiple or ?android:listChoiceIndicatorSingle. These
       
       
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        are system theme attributes that reference a state list drawable.
       
       
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        -->
       
       
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        <ImageView android:src="@drawable/ic_hideable_item"
       
       
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        android:duplicateParentState="true"
       
       
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        android:layout_width="wrap_content"
       
       
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        android:layout_height="wrap_content"
       
       
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        android:layout_marginLeft="16dp" />
       
       
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        </com.example.android.customchoicelist.CheckableLinearLayout>