add flutter
@@ -0,0 +1,47 @@
|
||||
/*
|
||||
* Copyright 2017 Google Inc. All rights reserved.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
apply plugin: 'com.android.application'
|
||||
apply plugin: 'kotlin-android'
|
||||
|
||||
android {
|
||||
compileSdkVersion rootProject.ext.compileSdkVersion
|
||||
|
||||
defaultConfig {
|
||||
applicationId "com.google.android.flexbox.apps.catgallery"
|
||||
minSdkVersion rootProject.ext.minSdkVersion
|
||||
targetSdkVersion rootProject.ext.targetSdkVersion
|
||||
versionCode 1
|
||||
versionName "1.0"
|
||||
|
||||
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
|
||||
}
|
||||
buildTypes {
|
||||
release {
|
||||
shrinkResources true
|
||||
minifyEnabled true
|
||||
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
dependencies {
|
||||
implementation project(path: ":flexbox")
|
||||
implementation "androidx.appcompat:appcompat:${rootProject.androidxAppCompatVersion}"
|
||||
implementation "androidx.recyclerview:recyclerview:${rootProject.androidxRecyclerViewVersion}"
|
||||
implementation "com.google.android.material:material:${rootProject.materialVersion}"
|
||||
implementation "org.jetbrains.kotlin:kotlin-stdlib:${rootProject.kotlinVersion}"
|
||||
}
|
||||
@@ -0,0 +1,17 @@
|
||||
# Add project specific ProGuard rules here.
|
||||
# By default, the flags in this file are appended to flags specified
|
||||
# in /usr/local/google/home/thagikura/android-sdk/tools/proguard/proguard-android.txt
|
||||
# You can edit the include path and order by changing the proguardFiles
|
||||
# directive in build.gradle.
|
||||
#
|
||||
# For more details, see
|
||||
# http://developer.android.com/guide/developing/tools/proguard.html
|
||||
|
||||
# Add any project specific keep options here:
|
||||
|
||||
# If your project uses WebView with JS, uncomment the following
|
||||
# and specify the fully qualified class name to the JavaScript interface
|
||||
# class:
|
||||
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
|
||||
# public *;
|
||||
#}
|
||||
@@ -0,0 +1,23 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
package="com.google.android.flexbox.apps.catgallery">
|
||||
|
||||
<application
|
||||
android:allowBackup="true"
|
||||
android:icon="@mipmap/ic_launcher"
|
||||
android:label="@string/app_name"
|
||||
android:supportsRtl="true"
|
||||
android:theme="@style/AppTheme">
|
||||
<activity
|
||||
android:name=".MainActivity"
|
||||
android:label="@string/app_name"
|
||||
android:theme="@style/AppTheme.NoActionBar">
|
||||
<intent-filter>
|
||||
<action android:name="android.intent.action.MAIN"/>
|
||||
|
||||
<category android:name="android.intent.category.LAUNCHER"/>
|
||||
</intent-filter>
|
||||
</activity>
|
||||
</application>
|
||||
|
||||
</manifest>
|
||||
@@ -0,0 +1,64 @@
|
||||
/*
|
||||
* Copyright 2017 Google Inc. All rights reserved.
|
||||
*
|
||||
* 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.google.android.flexbox.apps.catgallery
|
||||
|
||||
import android.view.LayoutInflater
|
||||
import android.view.ViewGroup
|
||||
import androidx.recyclerview.widget.RecyclerView
|
||||
|
||||
/**
|
||||
* Adapter class that handles the data set with the {@link RecyclerView.LayoutManager}
|
||||
*/
|
||||
internal class CatAdapter : RecyclerView.Adapter<CatViewHolder>() {
|
||||
|
||||
companion object {
|
||||
private val CAT_IMAGE_IDS = intArrayOf(
|
||||
R.drawable.cat_1,
|
||||
R.drawable.cat_2,
|
||||
R.drawable.cat_3,
|
||||
R.drawable.cat_4,
|
||||
R.drawable.cat_5,
|
||||
R.drawable.cat_6,
|
||||
R.drawable.cat_7,
|
||||
R.drawable.cat_8,
|
||||
R.drawable.cat_9,
|
||||
R.drawable.cat_10,
|
||||
R.drawable.cat_11,
|
||||
R.drawable.cat_12,
|
||||
R.drawable.cat_13,
|
||||
R.drawable.cat_14,
|
||||
R.drawable.cat_15,
|
||||
R.drawable.cat_16,
|
||||
R.drawable.cat_17,
|
||||
R.drawable.cat_18,
|
||||
R.drawable.cat_19
|
||||
)
|
||||
}
|
||||
|
||||
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CatViewHolder {
|
||||
val view = LayoutInflater.from(parent.context)
|
||||
.inflate(R.layout.viewholder_cat, parent, false)
|
||||
return CatViewHolder(view)
|
||||
}
|
||||
|
||||
override fun onBindViewHolder(holder: CatViewHolder, position: Int) {
|
||||
val pos = position % CAT_IMAGE_IDS.size
|
||||
holder.bindTo(CAT_IMAGE_IDS[pos])
|
||||
}
|
||||
|
||||
override fun getItemCount() = CAT_IMAGE_IDS.size * 4
|
||||
}
|
||||
@@ -0,0 +1,39 @@
|
||||
/*
|
||||
* Copyright 2017 Google Inc. All rights reserved.
|
||||
*
|
||||
* 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.google.android.flexbox.apps.catgallery
|
||||
|
||||
import android.view.View
|
||||
import android.widget.ImageView
|
||||
import androidx.annotation.DrawableRes
|
||||
import androidx.recyclerview.widget.RecyclerView
|
||||
import com.google.android.flexbox.FlexboxLayoutManager
|
||||
|
||||
/**
|
||||
* ViewHolder that represents a cat image.
|
||||
*/
|
||||
internal class CatViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
|
||||
|
||||
private val imageView: ImageView = itemView.findViewById(R.id.imageview)
|
||||
|
||||
internal fun bindTo(@DrawableRes drawableRes: Int) {
|
||||
imageView.setImageResource(drawableRes)
|
||||
val lp = imageView.layoutParams
|
||||
if (lp is FlexboxLayoutManager.LayoutParams) {
|
||||
lp.flexGrow = 1f
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,56 @@
|
||||
/*
|
||||
* Copyright 2017 Google Inc. All rights reserved.
|
||||
*
|
||||
* 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.google.android.flexbox.apps.catgallery
|
||||
|
||||
import android.os.Bundle
|
||||
import androidx.appcompat.app.AppCompatActivity
|
||||
import androidx.appcompat.widget.Toolbar
|
||||
import androidx.recyclerview.widget.RecyclerView
|
||||
import com.google.android.flexbox.AlignItems
|
||||
import com.google.android.flexbox.FlexDirection
|
||||
import com.google.android.flexbox.FlexWrap
|
||||
import com.google.android.flexbox.FlexboxLayoutManager
|
||||
|
||||
/**
|
||||
* Launcher Activity for the cat gallery demo app that demonstrates the usage of the
|
||||
* {@link FlexboxLayoutManager} that handles various sizes of views aligned nicely regardless of
|
||||
* the device width like the Google Photo app without loading all the images on the memory.
|
||||
* Thus compared to using the {@link FlexboxLayout}, it's much less likely to abuse the memory,
|
||||
* which some times leads to the OutOfMemoryError.
|
||||
*/
|
||||
class MainActivity : AppCompatActivity() {
|
||||
|
||||
override fun onCreate(savedInstanceState: Bundle?) {
|
||||
super.onCreate(savedInstanceState)
|
||||
setContentView(R.layout.activity_main)
|
||||
|
||||
val toolbar: Toolbar = findViewById(R.id.toolbar)
|
||||
setSupportActionBar(toolbar)
|
||||
|
||||
val flexboxLayoutManager = FlexboxLayoutManager(this).apply {
|
||||
flexWrap = FlexWrap.WRAP
|
||||
flexDirection = FlexDirection.ROW
|
||||
alignItems = AlignItems.STRETCH
|
||||
}
|
||||
|
||||
val recyclerView: RecyclerView = findViewById(R.id.recyclerview)
|
||||
recyclerView.apply {
|
||||
layoutManager = flexboxLayoutManager
|
||||
adapter = CatAdapter()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
After Width: | Height: | Size: 8.7 KiB |
|
After Width: | Height: | Size: 10 KiB |
|
After Width: | Height: | Size: 13 KiB |
|
After Width: | Height: | Size: 8.3 KiB |
|
After Width: | Height: | Size: 12 KiB |
|
After Width: | Height: | Size: 5.7 KiB |
|
After Width: | Height: | Size: 15 KiB |
|
After Width: | Height: | Size: 15 KiB |
|
After Width: | Height: | Size: 14 KiB |
|
After Width: | Height: | Size: 11 KiB |
|
After Width: | Height: | Size: 6.5 KiB |
|
After Width: | Height: | Size: 3.5 KiB |
|
After Width: | Height: | Size: 9.6 KiB |
|
After Width: | Height: | Size: 12 KiB |
|
After Width: | Height: | Size: 18 KiB |
|
After Width: | Height: | Size: 15 KiB |
|
After Width: | Height: | Size: 11 KiB |
|
After Width: | Height: | Size: 5.7 KiB |
|
After Width: | Height: | Size: 17 KiB |
@@ -0,0 +1,53 @@
|
||||
<?xml version="1.0" encoding="utf-8"?><!--
|
||||
Copyright 2017 Google Inc. All rights reserved.
|
||||
|
||||
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.
|
||||
-->
|
||||
<androidx.coordinatorlayout.widget.CoordinatorLayout
|
||||
xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
xmlns:app="http://schemas.android.com/apk/res-auto"
|
||||
xmlns:tools="http://schemas.android.com/tools"
|
||||
android:id="@+id/coordinator_layout"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="match_parent"
|
||||
android:fitsSystemWindows="true"
|
||||
tools:context="com.google.android.flexbox.apps.catgallery.MainActivity">
|
||||
|
||||
<com.google.android.material.appbar.AppBarLayout
|
||||
android:id="@+id/app_bar"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="@dimen/app_bar_height"
|
||||
android:fitsSystemWindows="true"
|
||||
android:theme="@style/AppTheme.AppBarOverlay">
|
||||
|
||||
<com.google.android.material.appbar.CollapsingToolbarLayout
|
||||
android:id="@+id/toolbar_layout"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="match_parent"
|
||||
android:fitsSystemWindows="true"
|
||||
app:contentScrim="?attr/colorPrimary"
|
||||
app:layout_scrollFlags="scroll|enterAlwaysCollapsed">
|
||||
|
||||
<androidx.appcompat.widget.Toolbar
|
||||
android:id="@+id/toolbar"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="?attr/actionBarSize"
|
||||
app:layout_collapseMode="pin"
|
||||
app:popupTheme="@style/AppTheme.PopupOverlay"/>
|
||||
|
||||
</com.google.android.material.appbar.CollapsingToolbarLayout>
|
||||
</com.google.android.material.appbar.AppBarLayout>
|
||||
|
||||
<include layout="@layout/content_main"/>
|
||||
|
||||
</androidx.coordinatorlayout.widget.CoordinatorLayout>
|
||||
@@ -0,0 +1,22 @@
|
||||
<?xml version="1.0" encoding="utf-8"?><!--
|
||||
Copyright 2017 Google Inc. All rights reserved.
|
||||
|
||||
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.
|
||||
-->
|
||||
<androidx.recyclerview.widget.RecyclerView
|
||||
xmlns:app="http://schemas.android.com/apk/res-auto"
|
||||
xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
app:layout_behavior="@string/appbar_scrolling_view_behavior"
|
||||
android:id="@+id/recyclerview"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="match_parent"/>
|
||||
@@ -0,0 +1,23 @@
|
||||
<?xml version="1.0" encoding="utf-8"?><!--
|
||||
Copyright 2017 Google Inc. All rights reserved.
|
||||
|
||||
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.
|
||||
-->
|
||||
<ImageView
|
||||
xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
android:id="@+id/imageview"
|
||||
android:layout_width="wrap_content"
|
||||
android:layout_height="wrap_content"
|
||||
android:scaleType="centerCrop"
|
||||
android:layout_margin="1dp"
|
||||
android:contentDescription="@string/content_description_cat_view_holder"/>
|
||||
|
After Width: | Height: | Size: 3.3 KiB |
|
After Width: | Height: | Size: 1.8 KiB |
|
After Width: | Height: | Size: 4.2 KiB |
|
After Width: | Height: | Size: 7.3 KiB |
|
After Width: | Height: | Size: 11 KiB |
@@ -0,0 +1,23 @@
|
||||
<?xml version="1.0" encoding="utf-8"?><!--
|
||||
Copyright 2017 Google Inc. All rights reserved.
|
||||
|
||||
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.
|
||||
-->
|
||||
<resources>
|
||||
<style name="AppTheme.NoActionBar">
|
||||
<item name="windowActionBar">false</item>
|
||||
<item name="windowNoTitle">true</item>
|
||||
<item name="android:windowDrawsSystemBarBackgrounds">true</item>
|
||||
<item name="android:statusBarColor">@android:color/transparent</item>
|
||||
</style>
|
||||
</resources>
|
||||
@@ -0,0 +1,20 @@
|
||||
<?xml version="1.0" encoding="utf-8"?><!--
|
||||
Copyright 2017 Google Inc. All rights reserved.
|
||||
|
||||
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.
|
||||
-->
|
||||
<resources>
|
||||
<color name="colorPrimary">#3F51B5</color>
|
||||
<color name="colorPrimaryDark">#303F9F</color>
|
||||
<color name="colorAccent">#FF4081</color>
|
||||
</resources>
|
||||
@@ -0,0 +1,18 @@
|
||||
<?xml version="1.0" encoding="utf-8"?><!--
|
||||
Copyright 2017 Google Inc. All rights reserved.
|
||||
|
||||
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.
|
||||
-->
|
||||
<resources>
|
||||
<dimen name="app_bar_height">180dp</dimen>
|
||||
</resources>
|
||||
@@ -0,0 +1,19 @@
|
||||
<?xml version="1.0" encoding="utf-8"?><!--
|
||||
Copyright 2017 Google Inc. All rights reserved.
|
||||
|
||||
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.
|
||||
-->
|
||||
<resources>
|
||||
<string name="app_name">Cat Gallery</string>
|
||||
<string name="content_description_cat_view_holder">Cat image</string>
|
||||
</resources>
|
||||
@@ -0,0 +1,32 @@
|
||||
<?xml version="1.0" encoding="utf-8"?><!--
|
||||
Copyright 2017 Google Inc. All rights reserved.
|
||||
|
||||
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.
|
||||
-->
|
||||
<resources>
|
||||
|
||||
<!-- Base application theme. -->
|
||||
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
|
||||
<!-- Customize your theme here. -->
|
||||
<item name="colorPrimary">@color/colorPrimary</item>
|
||||
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
|
||||
<item name="colorAccent">@color/colorAccent</item>
|
||||
</style>
|
||||
<style name="AppTheme.NoActionBar">
|
||||
<item name="windowActionBar">false</item>
|
||||
<item name="windowNoTitle">true</item>
|
||||
</style>
|
||||
<style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar"/>
|
||||
<style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light"/>
|
||||
|
||||
</resources>
|
||||