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[ADDED] Sample movie screen with various usage of constraint layout rules.
1 parent 986ccc2 commit 756d3b1

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+387
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‎app/src/main/AndroidManifest.xml

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<activity
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android:name="com.hossainkhan.android.demo.ui.layoutpreview.LayoutDimensionMinMaxActivity"
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android:parentActivityName="com.hossainkhan.android.demo.ui.browse.LayoutBrowseActivity" />
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<activity
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android:name="com.hossainkhan.android.demo.ui.functionaldemo.MovieDetailsPreviewActivity"
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android:parentActivityName="com.hossainkhan.android.demo.ui.browse.LayoutBrowseActivity" />
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</application>
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</manifest>

‎app/src/main/java/com/hossainkhan/android/demo/data/LayoutDataStore.kt

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@@ -159,7 +159,24 @@ class LayoutDataStore @Inject constructor(
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title = "Virtual Helper: Group",
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description = "This class controls the visibility of a set of referenced widgets. " +
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"Widgets are referenced by being added to a comma separated list of ids.\n\n" +
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"For example you can link multiple views: `app:constraint_referenced_ids=\"viewId1,viewId2,viewId3\"` and control their visibility at once.")
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"For example you can link multiple views: `app:constraint_referenced_ids=\"viewId1,viewId2,viewId3\"` and control their visibility at once."),
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/*
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* This is a demo of movie details page using various features of constraint layout.
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*
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* .-'-.
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* /` |__
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* /` _.--`-,-`
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* '-|` a '<-. []
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* \ _\__) \=`
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* C_ ` ,_/
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* | ;----'
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*/
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LayoutInformation(
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layoutResourceId = R.layout.demo_movie_details,
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thumbnailResourceId = R.drawable.spider_verse_poster,
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title = "Demo: Movie Details",
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description = "A demo screen containing movie details.")
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/*

‎app/src/main/java/com/hossainkhan/android/demo/di/ActivityBindingModule.kt

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package com.hossainkhan.android.demo.di
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import com.hossainkhan.android.demo.ui.functionaldemo.MovieDetailsPreviewActivity
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import com.hossainkhan.android.demo.ui.layoutpreview.LayoutChainStyleActivity
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import com.hossainkhan.android.demo.ui.layoutpreview.LayoutDimensionMinMaxActivity
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import com.hossainkhan.android.demo.ui.layoutpreview.LayoutGuidelineBarrierActivity
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@ActivityScope
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@ContributesAndroidInjector
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abstract fun layoutDimensionMinMaxActivity(): LayoutDimensionMinMaxActivity
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@ActivityScope
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@ContributesAndroidInjector
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abstract fun layoutMovieDetailsPreviewActivity(): MovieDetailsPreviewActivity
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}

‎app/src/main/java/com/hossainkhan/android/demo/ui/browse/LayoutBrowseViewModel.kt

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import com.hossainkhan.android.demo.R
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import com.hossainkhan.android.demo.data.AppDataStore
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import com.hossainkhan.android.demo.data.LayoutInformation
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import com.hossainkhan.android.demo.ui.functionaldemo.MovieDetailsPreviewActivity
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import com.hossainkhan.android.demo.ui.layoutpreview.LayoutChainStyleActivity
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import com.hossainkhan.android.demo.ui.layoutpreview.LayoutDimensionMinMaxActivity
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import com.hossainkhan.android.demo.ui.layoutpreview.LayoutGuidelineBarrierActivity
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R.layout.preview_dimension_min_max -> {
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browseNavigator.loadLayoutPreview(LayoutDimensionMinMaxActivity::class.java, layoutResId)
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}
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R.layout.demo_movie_details -> {
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browseNavigator.loadLayoutPreview(MovieDetailsPreviewActivity::class.java, layoutResId)
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}
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else -> {
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// By default it loads the preview activity with the layout requested.
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browseNavigator.loadLayoutPreview(layoutResId)

‎app/src/main/java/com/hossainkhan/android/demo/ui/functionaldemo/MovieDetailsPreviewActivity.kt

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/*
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* Copyright (c) 2019 Hossain Khan
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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package com.hossainkhan.android.demo.ui.functionaldemo
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import android.os.Bundle
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import android.view.View
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import android.widget.ImageButton
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import android.widget.Toast
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import com.hossainkhan.android.demo.R
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import com.hossainkhan.android.demo.ui.layoutpreview.LayoutPreviewBaseActivity
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/**
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* Activity showcasing how visibility GONE affects constraints.
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*
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* See https://developer.android.com/reference/android/support/constraint/ConstraintLayout#VisibilityBehavior
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*/
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class MovieDetailsPreviewActivity : LayoutPreviewBaseActivity() {
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private val generalClickListener = View.OnClickListener { view ->
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Toast.makeText(view.context, "You tapped on ${view}", Toast.LENGTH_SHORT).show()
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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val ratingThumbsUp = findViewById<ImageButton>(R.id.rating_thumbs_up)
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val ratingThumbsDown = findViewById<ImageButton>(R.id.rating_thumbs_down)
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applyToastListener(ratingThumbsUp, ratingThumbsDown)
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}
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fun applyToastListener(vararg views: View) {
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views.forEach {
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it.setOnClickListener(generalClickListener)
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}
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}
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}

‎app/src/main/res/drawable-xxxhdpi/spider_verse_background.jpg

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‎app/src/main/res/drawable-xxxhdpi/spider_verse_poster.jpg

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‎app/src/main/res/drawable/ic_people_black_16dp.xml

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<!--
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~ Copyright (c) 2019 Hossain Khan
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~
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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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~
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~ http://www.apache.org/licenses/LICENSE-2.0
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~
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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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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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android:width="18dp"
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android:height="18dp"
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android:alpha="0.9"
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android:tint="#666666"
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android:viewportWidth="24.0"
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android:viewportHeight="24.0">
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<path
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android:fillColor="#FF000000"
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android:pathData="M16,11c1.66,0 2.99,-1.34 2.99,-3S17.66,5 16,5c-1.66,0 -3,1.34 -3,3s1.34,3 3,3zM8,11c1.66,0 2.99,-1.34 2.99,-3S9.66,5 8,5C6.34,5 5,6.34 5,8s1.34,3 3,3zM8,13c-2.33,0 -7,1.17 -7,3.5L1,19h14v-2.5c0,-2.33 -4.67,-3.5 -7,-3.5zM16,13c-0.29,0 -0.62,0.02 -0.97,0.05 1.16,0.84 1.97,1.97 1.97,3.45L17,19h6v-2.5c0,-2.33 -4.67,-3.5 -7,-3.5z" />
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</vector>

‎app/src/main/res/drawable/ic_playlist_add_black_24dp.xml

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<!--
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~ Copyright (c) 2019 Hossain Khan
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~
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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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~
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~ http://www.apache.org/licenses/LICENSE-2.0
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~
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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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<vector android:alpha="0.9" android:height="24dp" android:tint="#666666"
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android:viewportHeight="24.0" android:viewportWidth="24.0"
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android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
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<path android:fillColor="#FF000000" android:pathData="M14,10L2,10v2h12v-2zM14,6L2,6v2h12L14,6zM18,14v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zM2,16h8v-2L2,14v2z"/>
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</vector>

‎app/src/main/res/drawable/ic_star_black_16dp.xml

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<!--
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~ Copyright (c) 2019 Hossain Khan
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~
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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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~
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~ http://www.apache.org/licenses/LICENSE-2.0
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~
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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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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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android:width="18dp"
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android:height="18dp"
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android:alpha="0.9"
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android:tint="#666666"
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android:viewportWidth="24.0"
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android:viewportHeight="24.0">
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<path
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android:fillColor="#FF000000"
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android:pathData="M12,17.27L18.18,21l-1.64,-7.03L22,9.24l-7.19,-0.61L12,2 9.19,8.63 2,9.24l5.46,4.73L5.82,21z" />
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</vector>

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