├── app
    ├── .gitignore
    ├── src
    │   ├── main
    │   │   ├── res
    │   │   │   ├── mipmap-hdpi
    │   │   │   │   ├── ic_launcher.png
    │   │   │   │   └── ic_launcher_round.png
    │   │   │   ├── mipmap-mdpi
    │   │   │   │   ├── ic_launcher.png
    │   │   │   │   └── ic_launcher_round.png
    │   │   │   ├── mipmap-xhdpi
    │   │   │   │   ├── ic_launcher.png
    │   │   │   │   └── ic_launcher_round.png
    │   │   │   ├── mipmap-xxhdpi
    │   │   │   │   ├── ic_launcher.png
    │   │   │   │   └── ic_launcher_round.png
    │   │   │   ├── mipmap-xxxhdpi
    │   │   │   │   ├── ic_launcher.png
    │   │   │   │   └── ic_launcher_round.png
    │   │   │   ├── values
    │   │   │   │   ├── integers.xml
    │   │   │   │   ├── strings.xml
    │   │   │   │   ├── dimens.xml
    │   │   │   │   ├── colors.xml
    │   │   │   │   └── styles.xml
    │   │   │   ├── layout
    │   │   │   │   ├── row_empty_card.xml
    │   │   │   │   ├── row_spinner_item.xml
    │   │   │   │   ├── activity_main.xml
    │   │   │   │   ├── frag_list.xml
    │   │   │   │   └── frag_grid.xml
    │   │   │   ├── anim
    │   │   │   │   ├── layout_animation_fall_down.xml
    │   │   │   │   ├── layout_animation_from_right.xml
    │   │   │   │   ├── layout_animation_from_bottom.xml
    │   │   │   │   ├── grid_layout_animation_scale_random.xml
    │   │   │   │   ├── grid_layout_animation_scale.xml
    │   │   │   │   ├── grid_layout_animation_from_bottom.xml
    │   │   │   │   ├── item_animation_from_right.xml
    │   │   │   │   ├── item_animation_from_bottom.xml
    │   │   │   │   ├── item_animation_scale.xml
    │   │   │   │   └── item_animation_fall_down.xml
    │   │   │   ├── mipmap-anydpi-v26
    │   │   │   │   ├── ic_launcher.xml
    │   │   │   │   └── ic_launcher_round.xml
    │   │   │   ├── drawable-v24
    │   │   │   │   └── ic_launcher_foreground.xml
    │   │   │   └── drawable
    │   │   │   │   └── ic_launcher_background.xml
    │   │   ├── java
    │   │   │   └── com
    │   │   │   │   └── mhasancse15
    │   │   │   │       └── enter_animation_demo
    │   │   │   │           ├── model
    │   │   │   │               └── AnimationItem.java
    │   │   │   │           ├── recyclerview
    │   │   │   │               ├── ItemOffsetDecoration.java
    │   │   │   │               ├── CardAdapter.java
    │   │   │   │               └── GridRecyclerView.java
    │   │   │   │           ├── fragment
    │   │   │   │               ├── ListDemoFragment.java
    │   │   │   │               ├── GridDemoFragment.java
    │   │   │   │               └── BaseFragment.java
    │   │   │   │           └── MainActivity.java
    │   │   └── AndroidManifest.xml
    │   ├── test
    │   │   └── java
    │   │   │   └── com
    │   │   │       └── mhasancse15
    │   │   │           └── enter_animation_demo
    │   │   │               └── ExampleUnitTest.java
    │   └── androidTest
    │   │   └── java
    │   │       └── com
    │   │           └── mhasancse15
    │   │               └── enter_animation_demo
    │   │                   └── ExampleInstrumentedTest.java
    ├── proguard-rules.pro
    └── build.gradle
├── settings.gradle
├── gradle
    └── wrapper
    │   ├── gradle-wrapper.jar
    │   └── gradle-wrapper.properties
├── .idea
    ├── encodings.xml
    ├── misc.xml
    ├── runConfigurations.xml
    └── gradle.xml
├── .gitignore
├── gradle.properties
├── gradlew.bat
└── gradlew


/app/.gitignore:
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1 | /build
2 | 


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/settings.gradle:
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1 | include ':app'
2 | 


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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/mhasancse15/Enteranimationdemo/HEAD/gradle/wrapper/gradle-wrapper.jar


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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/mhasancse15/Enteranimationdemo/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png


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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/mhasancse15/Enteranimationdemo/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png


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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/mhasancse15/Enteranimationdemo/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png


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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/mhasancse15/Enteranimationdemo/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png


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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/mhasancse15/Enteranimationdemo/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png


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/.idea/encodings.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="Encoding" addBOMForNewFiles="with NO BOM" />
4 | </project>


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/app/src/main/res/mipmap-hdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/mhasancse15/Enteranimationdemo/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-mdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/mhasancse15/Enteranimationdemo/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/mhasancse15/Enteranimationdemo/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/mhasancse15/Enteranimationdemo/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/mhasancse15/Enteranimationdemo/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png


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/app/src/main/res/values/integers.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <resources>
3 |     <integer name="anim_duration_medium">300</integer>
4 |     <integer name="anim_duration_long">400</integer>
5 | </resources>


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/.gitignore:
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 1 | *.iml
 2 | .gradle
 3 | /local.properties
 4 | /.idea/caches
 5 | /.idea/libraries
 6 | /.idea/modules.xml
 7 | /.idea/workspace.xml
 8 | /.idea/navEditor.xml
 9 | /.idea/assetWizardSettings.xml
10 | .DS_Store
11 | /build
12 | /captures
13 | .externalNativeBuild
14 | 


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/app/src/main/res/values/strings.xml:
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1 | <resources>
2 |     <string name="app_name">Enter-animation-demo</string>
3 |     <string name="button_reload">Reload</string>
4 |     <string name="button_list">List</string>
5 |     <string name="button_grid">Grid</string>
6 | </resources>
7 | 


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/app/src/main/res/values/dimens.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <resources>
3 | 
4 |     <dimen name="default_spacing_small">4dp</dimen>
5 |     <dimen name="default_spacing_medium">8dp</dimen>
6 |     <dimen name="default_spacing_huge">128dp</dimen>
7 | 
8 | </resources>


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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Wed Jun 19 14:30:29 BDT 2019
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip
7 | 


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/app/src/main/res/layout/row_empty_card.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <android.support.v7.widget.CardView
3 |     xmlns:android="http://schemas.android.com/apk/res/android"
4 |     android:layout_width="match_parent"
5 |     android:layout_height="?listPreferredItemHeightLarge"
6 |     />


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/app/src/main/res/anim/layout_animation_fall_down.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <layoutAnimation
3 |     xmlns:android="http://schemas.android.com/apk/res/android"
4 |     android:animation="@anim/item_animation_fall_down"
5 |     android:delay="15%"
6 |     android:animationOrder="normal"
7 |     />


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/app/src/main/res/anim/layout_animation_from_right.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <layoutAnimation
3 |     xmlns:android="http://schemas.android.com/apk/res/android"
4 |     android:animation="@anim/item_animation_from_right"
5 |     android:delay="10%"
6 |     android:animationOrder="normal"
7 |     />


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/app/src/main/res/anim/layout_animation_from_bottom.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <layoutAnimation
3 |     xmlns:android="http://schemas.android.com/apk/res/android"
4 |     android:animation="@anim/item_animation_from_bottom"
5 |     android:delay="15%"
6 |     android:animationOrder="normal"
7 |     />


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/app/src/main/res/anim/grid_layout_animation_scale_random.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <gridLayoutAnimation
3 |     xmlns:android="http://schemas.android.com/apk/res/android"
4 |     android:animation="@anim/item_animation_scale"
5 |     android:animationOrder="random"
6 |     android:columnDelay="15%"
7 |     android:rowDelay="15%"
8 |     />


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/app/src/main/res/anim/grid_layout_animation_scale.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <gridLayoutAnimation
3 |     xmlns:android="http://schemas.android.com/apk/res/android"
4 |     android:animation="@anim/item_animation_scale"
5 |     android:animationOrder="normal"
6 |     android:columnDelay="15%"
7 |     android:rowDelay="15%"
8 |     android:direction="left_to_right"
9 |     />


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/app/src/main/res/values/colors.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <resources>
 3 |     <color name="colorPrimary">#607D8B</color>
 4 |     <color name="colorPrimaryLight">#CFD8DC</color>
 5 |     <color name="colorPrimaryDark">#455A64</color>
 6 |     <color name="colorAccent">#FFC107</color>
 7 |     <color name="colorPrimaryText">#212121</color>
 8 |     <color name="colorSecondaryText">#757575</color>
 9 | </resources>
10 | 


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/app/src/main/res/anim/grid_layout_animation_from_bottom.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <gridLayoutAnimation
 3 |     xmlns:android="http://schemas.android.com/apk/res/android"
 4 |     android:animation="@anim/item_animation_from_bottom"
 5 |     android:animationOrder="normal"
 6 |     android:startOffset="700"
 7 |     android:columnDelay="15%"
 8 |     android:rowDelay="15%"
 9 |     android:direction="top_to_bottom|left_to_right"
10 |     />


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/app/src/test/java/com/mhasancse15/enter_animation_demo/ExampleUnitTest.java:
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 1 | package com.mhasancse15.enter_animation_demo;
 2 | 
 3 | import org.junit.Test;
 4 | 
 5 | import static org.junit.Assert.*;
 6 | 
 7 | /**
 8 |  * Example local unit test, which will execute on the development machine (host).
 9 |  *
10 |  * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
11 |  */
12 | public class ExampleUnitTest {
13 |     @Test
14 |     public void addition_isCorrect() {
15 |         assertEquals(4, 2 + 2);
16 |     }
17 | }


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/app/src/main/java/com/mhasancse15/enter_animation_demo/model/AnimationItem.java:
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 1 | package com.mhasancse15.enter_animation_demo.model;
 2 | 
 3 | public class AnimationItem {
 4 | 
 5 |     private final String mName;
 6 |     private final int mResourceId;
 7 | 
 8 |     public AnimationItem(String name, int resourceId) {
 9 |         mName = name;
10 |         mResourceId = resourceId;
11 |     }
12 | 
13 |     public String getName() {
14 |         return mName;
15 |     }
16 | 
17 |     public int getResourceId() {
18 |         return mResourceId;
19 |     }
20 | }
21 | 


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/.idea/misc.xml:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="CMakeSettings">
 4 |     <configurations>
 5 |       <configuration PROFILE_NAME="Debug" CONFIG_NAME="Debug" />
 6 |     </configurations>
 7 |   </component>
 8 |   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
 9 |     <output url="file://$PROJECT_DIR$/build/classes" />
10 |   </component>
11 |   <component name="ProjectType">
12 |     <option name="id" value="Android" />
13 |   </component>
14 | </project>


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/app/src/main/res/anim/item_animation_from_right.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <set xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:duration="@integer/anim_duration_long">
 4 | 
 5 |     <translate
 6 |         android:interpolator="@android:anim/decelerate_interpolator"
 7 |         android:fromXDelta="100%p"
 8 |         android:toXDelta="0"
 9 |         />
10 | 
11 |     <alpha
12 |         android:fromAlpha="0.5"
13 |         android:toAlpha="1"
14 |         android:interpolator="@android:anim/accelerate_decelerate_interpolator"
15 |         />
16 | 
17 | </set>


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/app/src/main/res/layout/row_spinner_item.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <TextView
 3 |     xmlns:android="http://schemas.android.com/apk/res/android"
 4 |     android:id="@android:id/text1"
 5 |     android:layout_width="match_parent"
 6 |     android:layout_height="wrap_content"
 7 |     android:minHeight="?android:attr/listPreferredItemHeightSmall"
 8 |     android:paddingStart="@dimen/default_spacing_medium"
 9 |     android:paddingEnd="@dimen/default_spacing_medium"
10 |     android:gravity="center_vertical"
11 |     android:textAppearance="@style/TextAppearance.AppCompat.Subhead"
12 |     />


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/app/src/main/res/anim/item_animation_from_bottom.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <set xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:duration="@integer/anim_duration_long">
 4 | 
 5 |     <translate
 6 |         android:interpolator="@android:anim/accelerate_decelerate_interpolator"
 7 |         android:fromYDelta="50%p"
 8 |         android:toYDelta="0"
 9 |         />
10 | 
11 |     <alpha
12 |         android:fromAlpha="0"
13 |         android:toAlpha="1"
14 |         android:interpolator="@android:anim/accelerate_decelerate_interpolator"
15 |         />
16 | 
17 | </set>


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/.idea/runConfigurations.xml:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="RunConfigurationProducerService">
 4 |     <option name="ignoredProducers">
 5 |       <set>
 6 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
 7 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
 8 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
 9 |       </set>
10 |     </option>
11 |   </component>
12 | </project>


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/.idea/gradle.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="GradleSettings">
 4 |     <option name="linkedExternalProjectsSettings">
 5 |       <GradleProjectSettings>
 6 |         <compositeConfiguration>
 7 |           <compositeBuild compositeDefinitionSource="SCRIPT" />
 8 |         </compositeConfiguration>
 9 |         <option name="distributionType" value="DEFAULT_WRAPPED" />
10 |         <option name="externalProjectPath" value="$PROJECT_DIR$" />
11 |         <option name="resolveModulePerSourceSet" value="false" />
12 |       </GradleProjectSettings>
13 |     </option>
14 |   </component>
15 | </project>


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/app/src/main/res/anim/item_animation_scale.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <set xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:duration="@integer/anim_duration_medium">
 4 | 
 5 |     <alpha
 6 |         android:fromAlpha="0"
 7 |         android:toAlpha="1"
 8 |         android:interpolator="@android:anim/decelerate_interpolator"
 9 |         />
10 | 
11 |     <scale
12 |         android:fromXScale="25%"
13 |         android:fromYScale="25%"
14 |         android:toXScale="100%"
15 |         android:toYScale="100%"
16 |         android:pivotX="50%"
17 |         android:pivotY="50%"
18 |         android:interpolator="@android:anim/decelerate_interpolator"
19 |         />
20 | 
21 | </set>


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/app/src/main/res/values/styles.xml:
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 1 | <resources>
 2 | 
 3 |     <!-- Base application theme. -->
 4 |     <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
 5 |         <!-- Customize your theme here. -->
 6 |         <item name="colorPrimary">@color/colorPrimary</item>
 7 |         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
 8 |         <item name="colorAccent">@color/colorAccent</item>
 9 |         <item name="android:textColorPrimary">@color/colorPrimaryText</item>
10 |         <item name="android:textColorSecondary">@color/colorSecondaryText</item>
11 |         <item name="android:windowBackground">@color/colorPrimaryLight</item>
12 |     </style>
13 | 
14 |     <style name="AppCompat" />
15 |     <style name="AppCompat.Elevation" />
16 | 
17 | </resources>
18 | 


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/gradle.properties:
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 1 | # Project-wide Gradle settings.
 2 | # IDE (e.g. Android Studio) users:
 3 | # Gradle settings configured through the IDE *will override*
 4 | # any settings specified in this file.
 5 | # For more details on how to configure your build environment visit
 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html
 7 | # Specifies the JVM arguments used for the daemon process.
 8 | # The setting is particularly useful for tweaking memory settings.
 9 | org.gradle.jvmargs=-Xmx1536m
10 | # When configured, Gradle will run in incubating parallel mode.
11 | # This option should only be used with decoupled projects. More details, visit
12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
13 | # org.gradle.parallel=true
14 | 
15 | 
16 | 


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/app/src/main/java/com/mhasancse15/enter_animation_demo/recyclerview/ItemOffsetDecoration.java:
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 1 | package com.mhasancse15.enter_animation_demo.recyclerview;
 2 | 
 3 | import android.graphics.Rect;
 4 | import android.support.v7.widget.RecyclerView;
 5 | import android.view.View;
 6 | 
 7 | public class ItemOffsetDecoration extends RecyclerView.ItemDecoration {
 8 | 
 9 |     private int mSpacing;
10 | 
11 |     public ItemOffsetDecoration(int itemOffset) {
12 |         mSpacing = itemOffset;
13 |     }
14 | 
15 |     @Override
16 |     public void getItemOffsets(Rect outRect, View view, RecyclerView parent,
17 |                                RecyclerView.State state) {
18 |         super.getItemOffsets(outRect, view, parent, state);
19 |         outRect.set(mSpacing, mSpacing, mSpacing, mSpacing);
20 |     }
21 | }
22 | 
23 | 


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/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.mhasancse15.enter_animation_demo">
 4 | 
 5 |     <application
 6 |         android:allowBackup="true"
 7 |         android:icon="@mipmap/ic_launcher"
 8 |         android:label="@string/app_name"
 9 |         android:roundIcon="@mipmap/ic_launcher_round"
10 |         android:supportsRtl="true"
11 |         android:theme="@style/AppTheme">
12 |         <activity android:name=".MainActivity">
13 |             <intent-filter>
14 |                 <action android:name="android.intent.action.MAIN" />
15 | 
16 |                 <category android:name="android.intent.category.LAUNCHER" />
17 |             </intent-filter>
18 |         </activity>
19 |     </application>
20 | 
21 | </manifest>


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/app/proguard-rules.pro:
--------------------------------------------------------------------------------
 1 | # Add project specific ProGuard rules here.
 2 | # You can control the set of applied configuration files using the
 3 | # proguardFiles setting in build.gradle.
 4 | #
 5 | # For more details, see
 6 | #   http://developer.android.com/guide/developing/tools/proguard.html
 7 | 
 8 | # If your project uses WebView with JS, uncomment the following
 9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | #   public *;
13 | #}
14 | 
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 | 
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 | 


--------------------------------------------------------------------------------
/app/src/main/res/anim/item_animation_fall_down.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <set xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:duration="@integer/anim_duration_medium">
 4 | 
 5 |     <translate
 6 |         android:fromYDelta="-20%"
 7 |         android:toYDelta="0"
 8 |         android:interpolator="@android:anim/decelerate_interpolator"
 9 |         />
10 | 
11 |     <alpha
12 |         android:fromAlpha="0"
13 |         android:toAlpha="1"
14 |         android:interpolator="@android:anim/decelerate_interpolator"
15 |         />
16 | 
17 |     <scale
18 |         android:fromXScale="105%"
19 |         android:fromYScale="105%"
20 |         android:toXScale="100%"
21 |         android:toYScale="100%"
22 |         android:pivotX="50%"
23 |         android:pivotY="50%"
24 |         android:interpolator="@android:anim/decelerate_interpolator"
25 |         />
26 | 
27 | </set>


--------------------------------------------------------------------------------
/app/src/androidTest/java/com/mhasancse15/enter_animation_demo/ExampleInstrumentedTest.java:
--------------------------------------------------------------------------------
 1 | package com.mhasancse15.enter_animation_demo;
 2 | 
 3 | import android.content.Context;
 4 | import android.support.test.InstrumentationRegistry;
 5 | import android.support.test.runner.AndroidJUnit4;
 6 | 
 7 | import org.junit.Test;
 8 | import org.junit.runner.RunWith;
 9 | 
10 | import static org.junit.Assert.*;
11 | 
12 | /**
13 |  * Instrumented test, which will execute on an Android device.
14 |  *
15 |  * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
16 |  */
17 | @RunWith(AndroidJUnit4.class)
18 | public class ExampleInstrumentedTest {
19 |     @Test
20 |     public void useAppContext() {
21 |         // Context of the app under test.
22 |         Context appContext = InstrumentationRegistry.getTargetContext();
23 | 
24 |         assertEquals("com.mhasancse15.enter_animation_demo", appContext.getPackageName());
25 |     }
26 | }
27 | 


--------------------------------------------------------------------------------
/app/src/main/java/com/mhasancse15/enter_animation_demo/recyclerview/CardAdapter.java:
--------------------------------------------------------------------------------
 1 | package com.mhasancse15.enter_animation_demo.recyclerview;
 2 | 
 3 | import android.support.v7.widget.RecyclerView;
 4 | import android.view.LayoutInflater;
 5 | import android.view.View;
 6 | import android.view.ViewGroup;
 7 | 
 8 | import com.mhasancse15.enter_animation_demo.R;
 9 | 
10 | public class CardAdapter extends RecyclerView.Adapter<CardAdapter.ViewHolder> {
11 | 
12 |     public static final int ITEM_COUNT = 64;
13 | 
14 |     @Override
15 |     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
16 |         final LayoutInflater inflater = LayoutInflater.from(parent.getContext());
17 |         return new ViewHolder(inflater.inflate(R.layout.row_empty_card, parent, false));
18 |     }
19 | 
20 |     @Override
21 |     public void onBindViewHolder(ViewHolder holder, int position) { }
22 | 
23 |     @Override
24 |     public int getItemCount() { return ITEM_COUNT; }
25 | 
26 |     static class ViewHolder extends RecyclerView.ViewHolder {
27 |         public ViewHolder(View itemView) {
28 |             super(itemView);
29 |         }
30 |     }
31 | 
32 | }


--------------------------------------------------------------------------------
/app/src/main/java/com/mhasancse15/enter_animation_demo/fragment/ListDemoFragment.java:
--------------------------------------------------------------------------------
 1 | package com.mhasancse15.enter_animation_demo.fragment;
 2 | 
 3 | import android.content.Context;
 4 | import android.support.v7.widget.LinearLayoutManager;
 5 | import android.support.v7.widget.RecyclerView;
 6 | 
 7 | import com.mhasancse15.enter_animation_demo.R;
 8 | import com.mhasancse15.enter_animation_demo.model.AnimationItem;
 9 | 
10 | public class ListDemoFragment extends BaseFragment {
11 | 
12 |     @Override
13 |     protected int getLayoutResId() {
14 |         return R.layout.frag_list;
15 |     }
16 | 
17 |     @Override
18 |     protected RecyclerView.LayoutManager getLayoutManager(Context context) {
19 |         return new LinearLayoutManager(context);
20 |     }
21 | 
22 |     @Override
23 |     protected AnimationItem[] getAnimationItems() {
24 |         return new AnimationItem[] {
25 |                 new AnimationItem("Fall down", R.anim.layout_animation_fall_down),
26 |                 new AnimationItem("Slide from right", R.anim.layout_animation_from_right),
27 |                 new AnimationItem("Slide from bottom", R.anim.layout_animation_from_bottom)
28 |         };
29 |     }
30 | }


--------------------------------------------------------------------------------
/app/src/main/java/com/mhasancse15/enter_animation_demo/fragment/GridDemoFragment.java:
--------------------------------------------------------------------------------
 1 | package com.mhasancse15.enter_animation_demo.fragment;
 2 | 
 3 | import android.content.Context;
 4 | import android.support.v7.widget.GridLayoutManager;
 5 | import android.support.v7.widget.RecyclerView;
 6 | 
 7 | import com.mhasancse15.enter_animation_demo.R;
 8 | import com.mhasancse15.enter_animation_demo.model.AnimationItem;
 9 | 
10 | public class GridDemoFragment  extends BaseFragment {
11 | 
12 |     @Override
13 |     protected int getLayoutResId() {
14 |         return R.layout.frag_grid;
15 |     }
16 | 
17 |     @Override
18 |     protected RecyclerView.LayoutManager getLayoutManager(Context context) {
19 |         return new GridLayoutManager(context, 4);
20 |     }
21 | 
22 |     @Override
23 |     protected AnimationItem[] getAnimationItems() {
24 |         return new AnimationItem[] {
25 |                 new AnimationItem("Slide from bottom", R.anim.grid_layout_animation_from_bottom),
26 |                 new AnimationItem("Scale", R.anim.grid_layout_animation_scale),
27 |                 new AnimationItem("Scale random", R.anim.grid_layout_animation_scale_random)
28 |         };
29 |     }
30 | }


--------------------------------------------------------------------------------
/app/build.gradle:
--------------------------------------------------------------------------------
 1 | apply plugin: 'com.android.application'
 2 | 
 3 | android {
 4 |     compileSdkVersion 28
 5 |     defaultConfig {
 6 |         applicationId "com.mhasancse15.enter_animation_demo"
 7 |         minSdkVersion 15
 8 |         targetSdkVersion 28
 9 |         versionCode 1
10 |         versionName "1.0"
11 |         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
12 |     }
13 |     buildTypes {
14 |         release {
15 |             minifyEnabled false
16 |             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
17 |         }
18 |     }
19 | }
20 | 
21 | dependencies {
22 |     implementation fileTree(dir: 'libs', include: ['*.jar'])
23 |     implementation 'com.android.support:appcompat-v7:28.0.0'
24 |     implementation 'com.android.support.constraint:constraint-layout:1.1.3'
25 |     implementation 'com.android.support:recyclerview-v7:28.0.0'
26 |     implementation 'com.android.support:cardview-v7:28.0.0'
27 |     testImplementation 'junit:junit:4.12'
28 |     androidTestImplementation 'com.android.support.test:runner:1.0.2'
29 |     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
30 | }
31 | 


--------------------------------------------------------------------------------
/app/src/main/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <FrameLayout
 3 |     xmlns:android="http://schemas.android.com/apk/res/android"
 4 |     xmlns:tools="http://schemas.android.com/tools"
 5 |     android:id="@+id/container"
 6 |     android:layout_width="match_parent"
 7 |     android:layout_height="match_parent"
 8 |     >
 9 | 
10 |     <LinearLayout
11 |         android:id="@+id/button_container"
12 |         android:layout_width="match_parent"
13 |         android:layout_height="wrap_content"
14 |         android:layout_gravity="center"
15 |         android:gravity="center"
16 |         android:orientation="vertical"
17 |         tools:ignore="UselessParent"
18 |         >
19 | 
20 |         <android.support.v7.widget.AppCompatButton
21 |             android:id="@+id/btn_list_fragment"
22 |             android:layout_width="wrap_content"
23 |             android:layout_height="wrap_content"
24 |             android:text="@string/button_list"
25 |             style="@style/Widget.AppCompat.Button.Colored"
26 |             />
27 | 
28 |         <android.support.v4.widget.Space
29 |             android:layout_width="@dimen/default_spacing_small"
30 |             android:layout_height="@dimen/default_spacing_small"
31 |             />
32 | 
33 |         <android.support.v7.widget.AppCompatButton
34 |             android:id="@+id/btn_grid_fragment"
35 |             android:layout_width="wrap_content"
36 |             android:layout_height="wrap_content"
37 |             android:text="@string/button_grid"
38 |             style="@style/Widget.AppCompat.Button.Colored"
39 |             />
40 | 
41 |     </LinearLayout>
42 | 
43 | </FrameLayout>


--------------------------------------------------------------------------------
/app/src/main/res/layout/frag_list.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <LinearLayout
 3 |     xmlns:android="http://schemas.android.com/apk/res/android"
 4 |     xmlns:app="http://schemas.android.com/apk/res-auto"
 5 |     xmlns:tools="http://schemas.android.com/tools"
 6 |     android:layout_width="match_parent"
 7 |     android:layout_height="match_parent"
 8 |     android:orientation="vertical"
 9 |     tools:context=".MainActivity"
10 |     >
11 | 
12 |     <LinearLayout
13 |         android:layout_width="match_parent"
14 |         android:layout_height="wrap_content"
15 |         android:background="@color/colorPrimary"
16 |         android:padding="@dimen/default_spacing_medium"
17 |         android:orientation="horizontal"
18 |         style="@style/AppCompat.Elevation"
19 |         >
20 | 
21 |         <android.support.v7.widget.AppCompatSpinner
22 |             android:id="@+id/spinner"
23 |             android:layout_width="0dp"
24 |             android:layout_height="wrap_content"
25 |             android:layout_weight="1"
26 |             android:theme="@style/ThemeOverlay.AppCompat.Dark"
27 |             app:popupTheme="@style/Theme.AppCompat.Light.DarkActionBar"
28 |             />
29 | 
30 |         <android.support.v7.widget.AppCompatButton
31 |             android:id="@+id/btn_reload"
32 |             android:layout_width="wrap_content"
33 |             android:layout_height="wrap_content"
34 |             android:text="@string/button_reload"
35 |             android:layout_marginStart="@dimen/default_spacing_small"
36 |             style="@style/Widget.AppCompat.Button.Colored"
37 |             android:layout_marginLeft="@dimen/default_spacing_small" />
38 | 
39 |     </LinearLayout>
40 | 
41 | 
42 |     <android.support.v7.widget.RecyclerView
43 |         android:id="@+id/recycler_view"
44 |         android:layout_width="match_parent"
45 |         android:layout_height="match_parent"
46 |         android:padding="@dimen/default_spacing_small"
47 |         android:clipToPadding="false"
48 |         />
49 | 
50 | </LinearLayout>


--------------------------------------------------------------------------------
/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
--------------------------------------------------------------------------------
 1 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:aapt="http://schemas.android.com/aapt"
 3 |     android:width="108dp"
 4 |     android:height="108dp"
 5 |     android:viewportWidth="108"
 6 |     android:viewportHeight="108">
 7 |     <path
 8 |         android:fillType="evenOdd"
 9 |         android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
10 |         android:strokeWidth="1"
11 |         android:strokeColor="#00000000">
12 |         <aapt:attr name="android:fillColor">
13 |             <gradient
14 |                 android:endX="78.5885"
15 |                 android:endY="90.9159"
16 |                 android:startX="48.7653"
17 |                 android:startY="61.0927"
18 |                 android:type="linear">
19 |                 <item
20 |                     android:color="#44000000"
21 |                     android:offset="0.0" />
22 |                 <item
23 |                     android:color="#00000000"
24 |                     android:offset="1.0" />
25 |             </gradient>
26 |         </aapt:attr>
27 |     </path>
28 |     <path
29 |         android:fillColor="#FFFFFF"
30 |         android:fillType="nonZero"
31 |         android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
32 |         android:strokeWidth="1"
33 |         android:strokeColor="#00000000" />
34 | </vector>
35 | 


--------------------------------------------------------------------------------
/app/src/main/res/layout/frag_grid.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <LinearLayout
 3 |     xmlns:android="http://schemas.android.com/apk/res/android"
 4 |     xmlns:app="http://schemas.android.com/apk/res-auto"
 5 |     xmlns:tools="http://schemas.android.com/tools"
 6 |     android:layout_width="match_parent"
 7 |     android:layout_height="match_parent"
 8 |     android:orientation="vertical"
 9 |     tools:context=".MainActivity"
10 |     >
11 | 
12 |     <LinearLayout
13 |         android:layout_width="match_parent"
14 |         android:layout_height="wrap_content"
15 |         android:background="@color/colorPrimary"
16 |         android:padding="@dimen/default_spacing_medium"
17 |         android:orientation="horizontal"
18 |         style="@style/AppCompat.Elevation"
19 |         >
20 | 
21 |         <android.support.v7.widget.AppCompatSpinner
22 |             android:id="@+id/spinner"
23 |             android:layout_width="0dp"
24 |             android:layout_height="wrap_content"
25 |             android:layout_weight="1"
26 |             android:theme="@style/ThemeOverlay.AppCompat.Dark"
27 |             app:popupTheme="@style/Theme.AppCompat.Light.DarkActionBar"
28 |             />
29 | 
30 |         <android.support.v7.widget.AppCompatButton
31 |             android:id="@+id/btn_reload"
32 |             android:layout_width="wrap_content"
33 |             android:layout_height="wrap_content"
34 |             android:text="@string/button_reload"
35 |             android:layout_marginStart="@dimen/default_spacing_small"
36 |             style="@style/Widget.AppCompat.Button.Colored"
37 |             android:layout_marginLeft="@dimen/default_spacing_small" />
38 | 
39 |     </LinearLayout>
40 | 
41 | 
42 |     <com.patrickiv.demo.enteranimationdemo.recyclerview.GridRecyclerView
43 |         android:id="@+id/recycler_view"
44 |         android:layout_width="match_parent"
45 |         android:layout_height="match_parent"
46 |         android:padding="@dimen/default_spacing_small"
47 |         android:clipToPadding="false"
48 |         />
49 | 
50 | </LinearLayout>


--------------------------------------------------------------------------------
/app/src/main/java/com/mhasancse15/enter_animation_demo/MainActivity.java:
--------------------------------------------------------------------------------
 1 | package com.mhasancse15.enter_animation_demo;
 2 | 
 3 | import android.support.v4.app.Fragment;
 4 | import android.support.v7.app.AppCompatActivity;
 5 | import android.os.Bundle;
 6 | import android.view.View;
 7 | import android.view.ViewGroup;
 8 | 
 9 | import com.mhasancse15.enter_animation_demo.fragment.GridDemoFragment;
10 | import com.mhasancse15.enter_animation_demo.fragment.ListDemoFragment;
11 | 
12 | public class MainActivity extends AppCompatActivity implements View.OnClickListener {
13 | 
14 |     private ViewGroup mButtonContainer;
15 | 
16 |     @Override
17 |     protected void onCreate(Bundle savedInstanceState) {
18 |         super.onCreate(savedInstanceState);
19 |         setContentView(R.layout.activity_main);
20 | 
21 |         mButtonContainer = findViewById(R.id.button_container);
22 |         findViewById(R.id.btn_list_fragment).setOnClickListener(this);
23 |         findViewById(R.id.btn_grid_fragment).setOnClickListener(this);
24 | 
25 |         if (savedInstanceState != null) {
26 |             final int count = getSupportFragmentManager().getBackStackEntryCount();
27 |             mButtonContainer.setAlpha(count > 0 ? 0f : 1f);
28 |         }
29 |     }
30 | 
31 |     @Override
32 |     public void onBackPressed() {
33 |         if (getSupportFragmentManager().getBackStackEntryCount() == 1) {
34 |             mButtonContainer.animate().alpha(1f).start();
35 |         }
36 |         super.onBackPressed();
37 |     }
38 | 
39 |     @Override
40 |     public void onClick(View view) {
41 |         switch (view.getId()) {
42 |             case R.id.btn_list_fragment:
43 |                 showFragment(new ListDemoFragment());
44 |                 break;
45 |             case R.id.btn_grid_fragment:
46 |                 showFragment(new GridDemoFragment());
47 |                 break;
48 |             default:
49 |                 break;
50 |         }
51 |     }
52 | 
53 |     private void showFragment(Fragment fragment) {
54 |         getSupportFragmentManager().beginTransaction()
55 |                 .add(R.id.container, fragment)
56 |                 .addToBackStack(null)
57 |                 .commit();
58 |         mButtonContainer.animate().alpha(0f).start();
59 |     }
60 | 
61 | }


--------------------------------------------------------------------------------
/app/src/main/java/com/mhasancse15/enter_animation_demo/recyclerview/GridRecyclerView.java:
--------------------------------------------------------------------------------
 1 | package com.mhasancse15.enter_animation_demo.recyclerview;
 2 | 
 3 | import android.content.Context;
 4 | import android.support.v7.widget.GridLayoutManager;
 5 | import android.support.v7.widget.RecyclerView;
 6 | import android.util.AttributeSet;
 7 | import android.view.View;
 8 | import android.view.ViewGroup;
 9 | import android.view.animation.GridLayoutAnimationController;
10 | 
11 | public class GridRecyclerView extends RecyclerView {
12 | 
13 |     /** @see View#View(Context) */
14 |     public GridRecyclerView(Context context) { super(context); }
15 | 
16 |     /** @see View#View(Context, AttributeSet) */
17 |     public GridRecyclerView(Context context, AttributeSet attrs) { super(context, attrs); }
18 | 
19 |     /** @see View#View(Context, AttributeSet, int) */
20 |     public GridRecyclerView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); }
21 | 
22 |     @Override
23 |     protected void attachLayoutAnimationParameters(View child, ViewGroup.LayoutParams params,
24 |                                                    int index, int count) {
25 |         final LayoutManager layoutManager = getLayoutManager();
26 |         if (getAdapter() != null && layoutManager instanceof GridLayoutManager){
27 | 
28 |             GridLayoutAnimationController.AnimationParameters animationParams =
29 |                     (GridLayoutAnimationController.AnimationParameters) params.layoutAnimationParameters;
30 | 
31 |             if (animationParams == null) {
32 |                 animationParams = new GridLayoutAnimationController.AnimationParameters();
33 |                 params.layoutAnimationParameters = animationParams;
34 |             }
35 | 
36 |             final int columns = ((GridLayoutManager) layoutManager).getSpanCount();
37 | 
38 |             animationParams.count = count;
39 |             animationParams.index = index;
40 |             animationParams.columnsCount = columns;
41 |             animationParams.rowsCount = count / columns;
42 | 
43 |             final int invertedIndex = count - 1 - index;
44 |             animationParams.column = columns - 1 - (invertedIndex % columns);
45 |             animationParams.row = animationParams.rowsCount - 1 - invertedIndex / columns;
46 | 
47 |         } else {
48 |             super.attachLayoutAnimationParameters(child, params, index, count);
49 |         }
50 |     }
51 | }


--------------------------------------------------------------------------------
/gradlew.bat:
--------------------------------------------------------------------------------
 1 | @if "%DEBUG%" == "" @echo off
 2 | @rem ##########################################################################
 3 | @rem
 4 | @rem  Gradle startup script for Windows
 5 | @rem
 6 | @rem ##########################################################################
 7 | 
 8 | @rem Set local scope for the variables with windows NT shell
 9 | if "%OS%"=="Windows_NT" setlocal
10 | 
11 | set DIRNAME=%~dp0
12 | if "%DIRNAME%" == "" set DIRNAME=.
13 | set APP_BASE_NAME=%~n0
14 | set APP_HOME=%DIRNAME%
15 | 
16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
17 | set DEFAULT_JVM_OPTS=
18 | 
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 | 
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 | 
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 | 
32 | goto fail
33 | 
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 | 
38 | if exist "%JAVA_EXE%" goto init
39 | 
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 | 
46 | goto fail
47 | 
48 | :init
49 | @rem Get command-line arguments, handling Windows variants
50 | 
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | 
53 | :win9xME_args
54 | @rem Slurp the command line arguments.
55 | set CMD_LINE_ARGS=
56 | set _SKIP=2
57 | 
58 | :win9xME_args_slurp
59 | if "x%~1" == "x" goto execute
60 | 
61 | set CMD_LINE_ARGS=%*
62 | 
63 | :execute
64 | @rem Setup the command line
65 | 
66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
67 | 
68 | @rem Execute Gradle
69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
70 | 
71 | :end
72 | @rem End local scope for the variables with windows NT shell
73 | if "%ERRORLEVEL%"=="0" goto mainEnd
74 | 
75 | :fail
76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
77 | rem the _cmd.exe /c_ return code!
78 | if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
79 | exit /b 1
80 | 
81 | :mainEnd
82 | if "%OS%"=="Windows_NT" endlocal
83 | 
84 | :omega
85 | 


--------------------------------------------------------------------------------
/app/src/main/java/com/mhasancse15/enter_animation_demo/fragment/BaseFragment.java:
--------------------------------------------------------------------------------
  1 | package com.mhasancse15.enter_animation_demo.fragment;
  2 | 
  3 | import android.content.Context;
  4 | import android.os.Bundle;
  5 | import android.os.Handler;
  6 | import android.support.annotation.Nullable;
  7 | import android.support.v4.app.Fragment;
  8 | import android.support.v7.widget.AppCompatSpinner;
  9 | import android.support.v7.widget.RecyclerView;
 10 | import android.view.ContextThemeWrapper;
 11 | import android.view.LayoutInflater;
 12 | import android.view.View;
 13 | import android.view.ViewGroup;
 14 | import android.view.animation.AnimationUtils;
 15 | import android.view.animation.LayoutAnimationController;
 16 | import android.widget.AdapterView;
 17 | import android.widget.ArrayAdapter;
 18 | 
 19 | 
 20 | import com.mhasancse15.enter_animation_demo.R;
 21 | import com.mhasancse15.enter_animation_demo.model.AnimationItem;
 22 | import com.mhasancse15.enter_animation_demo.recyclerview.CardAdapter;
 23 | import com.mhasancse15.enter_animation_demo.recyclerview.ItemOffsetDecoration;
 24 | 
 25 | import java.util.ArrayList;
 26 | import java.util.List;
 27 | 
 28 | public abstract class BaseFragment extends Fragment implements View.OnClickListener {
 29 | 
 30 |     private final Handler mHandler = new Handler();
 31 | 
 32 |     private AnimationItem[] mAnimationItems;
 33 |     private AnimationItem mSelectedItem;
 34 |     private RecyclerView mRecyclerView;
 35 |     private AppCompatSpinner mSpinner;
 36 | 
 37 |     protected abstract int getLayoutResId();
 38 | 
 39 | 
 40 |     protected abstract RecyclerView.LayoutManager getLayoutManager(Context context);
 41 | 
 42 |    
 43 |     protected abstract AnimationItem[] getAnimationItems();
 44 | 
 45 |     @Nullable
 46 |     @Override
 47 |     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
 48 |                              @Nullable Bundle savedInstanceState) {
 49 |         return inflater.inflate(getLayoutResId(), container, false);
 50 |     }
 51 | 
 52 |     @Override
 53 |     public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
 54 |         super.onViewCreated(view, savedInstanceState);
 55 |         mAnimationItems = getAnimationItems();
 56 |         mSelectedItem = mAnimationItems[0];
 57 | 
 58 |         mRecyclerView = (RecyclerView) view.findViewById(R.id.recycler_view);
 59 |         mSpinner = (AppCompatSpinner) view.findViewById(R.id.spinner);
 60 |         view.findViewById(R.id.btn_reload).setOnClickListener(this);
 61 | 
 62 |         setupRecyclerView();
 63 |         setupSpinner();
 64 |         runLayoutAnimation(mRecyclerView, mSelectedItem);
 65 |     }
 66 | 
 67 |     @Override
 68 |     public void onDestroyView() {
 69 |         super.onDestroyView();
 70 |         mHandler.removeCallbacksAndMessages(null);
 71 |     }
 72 | 
 73 |     @Override
 74 |     public void onClick(View view) {
 75 |         if (view.getId() == R.id.btn_reload) {
 76 |             runLayoutAnimation(mRecyclerView, mSelectedItem);
 77 |         }
 78 |     }
 79 | 
 80 |     private void runLayoutAnimation(final RecyclerView recyclerView, final AnimationItem item) {
 81 |         final Context context = recyclerView.getContext();
 82 | 
 83 |         final LayoutAnimationController controller =
 84 |                 AnimationUtils.loadLayoutAnimation(context, item.getResourceId());
 85 | 
 86 |         recyclerView.setLayoutAnimation(controller);
 87 |         recyclerView.getAdapter().notifyDataSetChanged();
 88 |         recyclerView.scheduleLayoutAnimation();
 89 |     }
 90 | 
 91 |     private void setupRecyclerView() {
 92 |         final Context context = mRecyclerView.getContext();
 93 |         final int spacing = getResources().getDimensionPixelOffset(R.dimen.default_spacing_small);
 94 |         mRecyclerView.setLayoutManager(getLayoutManager(context));
 95 |         mRecyclerView.setAdapter(new CardAdapter());
 96 |         mRecyclerView.addItemDecoration(new ItemOffsetDecoration(spacing));
 97 |     }
 98 | 
 99 |     private void setupSpinner() {
100 |         final List<String> itemNames = new ArrayList<>();
101 |         for (final AnimationItem item : mAnimationItems) {
102 |             itemNames.add(item.getName());
103 |         }
104 | 
105 |         final Context ctx = mRecyclerView.getContext();
106 |         // Apply another theme to make the spinner text the right color
107 |         final ContextThemeWrapper themedCtx = new ContextThemeWrapper(ctx, R.style.Theme_AppCompat);
108 |         mSpinner.setAdapter(new ArrayAdapter<>(themedCtx, R.layout.row_spinner_item, itemNames));
109 |         mSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
110 |             @Override
111 |             public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
112 |                 mSelectedItem = mAnimationItems[i];
113 |                 runLayoutAnimation(mRecyclerView, mSelectedItem);
114 |             }
115 | 
116 |             @Override public void onNothingSelected(AdapterView<?> adapterView) { }
117 |         });
118 |     }
119 | }


--------------------------------------------------------------------------------
/gradlew:
--------------------------------------------------------------------------------
  1 | #!/usr/bin/env sh
  2 | 
  3 | ##############################################################################
  4 | ##
  5 | ##  Gradle start up script for UN*X
  6 | ##
  7 | ##############################################################################
  8 | 
  9 | # Attempt to set APP_HOME
 10 | # Resolve links: $0 may be a link
 11 | PRG="$0"
 12 | # Need this for relative symlinks.
 13 | while [ -h "$PRG" ] ; do
 14 |     ls=`ls -ld "$PRG"`
 15 |     link=`expr "$ls" : '.*-> \(.*\)$'`
 16 |     if expr "$link" : '/.*' > /dev/null; then
 17 |         PRG="$link"
 18 |     else
 19 |         PRG=`dirname "$PRG"`"/$link"
 20 |     fi
 21 | done
 22 | SAVED="`pwd`"
 23 | cd "`dirname \"$PRG\"`/" >/dev/null
 24 | APP_HOME="`pwd -P`"
 25 | cd "$SAVED" >/dev/null
 26 | 
 27 | APP_NAME="Gradle"
 28 | APP_BASE_NAME=`basename "$0"`
 29 | 
 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 31 | DEFAULT_JVM_OPTS=""
 32 | 
 33 | # Use the maximum available, or set MAX_FD != -1 to use that value.
 34 | MAX_FD="maximum"
 35 | 
 36 | warn () {
 37 |     echo "$*"
 38 | }
 39 | 
 40 | die () {
 41 |     echo
 42 |     echo "$*"
 43 |     echo
 44 |     exit 1
 45 | }
 46 | 
 47 | # OS specific support (must be 'true' or 'false').
 48 | cygwin=false
 49 | msys=false
 50 | darwin=false
 51 | nonstop=false
 52 | case "`uname`" in
 53 |   CYGWIN* )
 54 |     cygwin=true
 55 |     ;;
 56 |   Darwin* )
 57 |     darwin=true
 58 |     ;;
 59 |   MINGW* )
 60 |     msys=true
 61 |     ;;
 62 |   NONSTOP* )
 63 |     nonstop=true
 64 |     ;;
 65 | esac
 66 | 
 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 68 | 
 69 | # Determine the Java command to use to start the JVM.
 70 | if [ -n "$JAVA_HOME" ] ; then
 71 |     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
 72 |         # IBM's JDK on AIX uses strange locations for the executables
 73 |         JAVACMD="$JAVA_HOME/jre/sh/java"
 74 |     else
 75 |         JAVACMD="$JAVA_HOME/bin/java"
 76 |     fi
 77 |     if [ ! -x "$JAVACMD" ] ; then
 78 |         die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
 79 | 
 80 | Please set the JAVA_HOME variable in your environment to match the
 81 | location of your Java installation."
 82 |     fi
 83 | else
 84 |     JAVACMD="java"
 85 |     which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 86 | 
 87 | Please set the JAVA_HOME variable in your environment to match the
 88 | location of your Java installation."
 89 | fi
 90 | 
 91 | # Increase the maximum file descriptors if we can.
 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
 93 |     MAX_FD_LIMIT=`ulimit -H -n`
 94 |     if [ $? -eq 0 ] ; then
 95 |         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
 96 |             MAX_FD="$MAX_FD_LIMIT"
 97 |         fi
 98 |         ulimit -n $MAX_FD
 99 |         if [ $? -ne 0 ] ; then
100 |             warn "Could not set maximum file descriptor limit: $MAX_FD"
101 |         fi
102 |     else
103 |         warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
104 |     fi
105 | fi
106 | 
107 | # For Darwin, add options to specify how the application appears in the dock
108 | if $darwin; then
109 |     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
110 | fi
111 | 
112 | # For Cygwin, switch paths to Windows format before running java
113 | if $cygwin ; then
114 |     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
115 |     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
116 |     JAVACMD=`cygpath --unix "$JAVACMD"`
117 | 
118 |     # We build the pattern for arguments to be converted via cygpath
119 |     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
120 |     SEP=""
121 |     for dir in $ROOTDIRSRAW ; do
122 |         ROOTDIRS="$ROOTDIRS$SEP$dir"
123 |         SEP="|"
124 |     done
125 |     OURCYGPATTERN="(^($ROOTDIRS))"
126 |     # Add a user-defined pattern to the cygpath arguments
127 |     if [ "$GRADLE_CYGPATTERN" != "" ] ; then
128 |         OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
129 |     fi
130 |     # Now convert the arguments - kludge to limit ourselves to /bin/sh
131 |     i=0
132 |     for arg in "$@" ; do
133 |         CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
134 |         CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
135 | 
136 |         if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
137 |             eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
138 |         else
139 |             eval `echo args$i`="\"$arg\""
140 |         fi
141 |         i=$((i+1))
142 |     done
143 |     case $i in
144 |         (0) set -- ;;
145 |         (1) set -- "$args0" ;;
146 |         (2) set -- "$args0" "$args1" ;;
147 |         (3) set -- "$args0" "$args1" "$args2" ;;
148 |         (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
149 |         (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
150 |         (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
151 |         (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
152 |         (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
153 |         (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
154 |     esac
155 | fi
156 | 
157 | # Escape application args
158 | save () {
159 |     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
160 |     echo " "
161 | }
162 | APP_ARGS=$(save "$@")
163 | 
164 | # Collect all arguments for the java command, following the shell quoting and substitution rules
165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
166 | 
167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
169 |   cd "$(dirname "$0")"
170 | fi
171 | 
172 | exec "$JAVACMD" "$@"
173 | 


--------------------------------------------------------------------------------
/app/src/main/res/drawable/ic_launcher_background.xml:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="utf-8"?>
  2 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
  3 |     android:width="108dp"
  4 |     android:height="108dp"
  5 |     android:viewportWidth="108"
  6 |     android:viewportHeight="108">
  7 |     <path
  8 |         android:fillColor="#008577"
  9 |         android:pathData="M0,0h108v108h-108z" />
 10 |     <path
 11 |         android:fillColor="#00000000"
 12 |         android:pathData="M9,0L9,108"
 13 |         android:strokeWidth="0.8"
 14 |         android:strokeColor="#33FFFFFF" />
 15 |     <path
 16 |         android:fillColor="#00000000"
 17 |         android:pathData="M19,0L19,108"
 18 |         android:strokeWidth="0.8"
 19 |         android:strokeColor="#33FFFFFF" />
 20 |     <path
 21 |         android:fillColor="#00000000"
 22 |         android:pathData="M29,0L29,108"
 23 |         android:strokeWidth="0.8"
 24 |         android:strokeColor="#33FFFFFF" />
 25 |     <path
 26 |         android:fillColor="#00000000"
 27 |         android:pathData="M39,0L39,108"
 28 |         android:strokeWidth="0.8"
 29 |         android:strokeColor="#33FFFFFF" />
 30 |     <path
 31 |         android:fillColor="#00000000"
 32 |         android:pathData="M49,0L49,108"
 33 |         android:strokeWidth="0.8"
 34 |         android:strokeColor="#33FFFFFF" />
 35 |     <path
 36 |         android:fillColor="#00000000"
 37 |         android:pathData="M59,0L59,108"
 38 |         android:strokeWidth="0.8"
 39 |         android:strokeColor="#33FFFFFF" />
 40 |     <path
 41 |         android:fillColor="#00000000"
 42 |         android:pathData="M69,0L69,108"
 43 |         android:strokeWidth="0.8"
 44 |         android:strokeColor="#33FFFFFF" />
 45 |     <path
 46 |         android:fillColor="#00000000"
 47 |         android:pathData="M79,0L79,108"
 48 |         android:strokeWidth="0.8"
 49 |         android:strokeColor="#33FFFFFF" />
 50 |     <path
 51 |         android:fillColor="#00000000"
 52 |         android:pathData="M89,0L89,108"
 53 |         android:strokeWidth="0.8"
 54 |         android:strokeColor="#33FFFFFF" />
 55 |     <path
 56 |         android:fillColor="#00000000"
 57 |         android:pathData="M99,0L99,108"
 58 |         android:strokeWidth="0.8"
 59 |         android:strokeColor="#33FFFFFF" />
 60 |     <path
 61 |         android:fillColor="#00000000"
 62 |         android:pathData="M0,9L108,9"
 63 |         android:strokeWidth="0.8"
 64 |         android:strokeColor="#33FFFFFF" />
 65 |     <path
 66 |         android:fillColor="#00000000"
 67 |         android:pathData="M0,19L108,19"
 68 |         android:strokeWidth="0.8"
 69 |         android:strokeColor="#33FFFFFF" />
 70 |     <path
 71 |         android:fillColor="#00000000"
 72 |         android:pathData="M0,29L108,29"
 73 |         android:strokeWidth="0.8"
 74 |         android:strokeColor="#33FFFFFF" />
 75 |     <path
 76 |         android:fillColor="#00000000"
 77 |         android:pathData="M0,39L108,39"
 78 |         android:strokeWidth="0.8"
 79 |         android:strokeColor="#33FFFFFF" />
 80 |     <path
 81 |         android:fillColor="#00000000"
 82 |         android:pathData="M0,49L108,49"
 83 |         android:strokeWidth="0.8"
 84 |         android:strokeColor="#33FFFFFF" />
 85 |     <path
 86 |         android:fillColor="#00000000"
 87 |         android:pathData="M0,59L108,59"
 88 |         android:strokeWidth="0.8"
 89 |         android:strokeColor="#33FFFFFF" />
 90 |     <path
 91 |         android:fillColor="#00000000"
 92 |         android:pathData="M0,69L108,69"
 93 |         android:strokeWidth="0.8"
 94 |         android:strokeColor="#33FFFFFF" />
 95 |     <path
 96 |         android:fillColor="#00000000"
 97 |         android:pathData="M0,79L108,79"
 98 |         android:strokeWidth="0.8"
 99 |         android:strokeColor="#33FFFFFF" />
100 |     <path
101 |         android:fillColor="#00000000"
102 |         android:pathData="M0,89L108,89"
103 |         android:strokeWidth="0.8"
104 |         android:strokeColor="#33FFFFFF" />
105 |     <path
106 |         android:fillColor="#00000000"
107 |         android:pathData="M0,99L108,99"
108 |         android:strokeWidth="0.8"
109 |         android:strokeColor="#33FFFFFF" />
110 |     <path
111 |         android:fillColor="#00000000"
112 |         android:pathData="M19,29L89,29"
113 |         android:strokeWidth="0.8"
114 |         android:strokeColor="#33FFFFFF" />
115 |     <path
116 |         android:fillColor="#00000000"
117 |         android:pathData="M19,39L89,39"
118 |         android:strokeWidth="0.8"
119 |         android:strokeColor="#33FFFFFF" />
120 |     <path
121 |         android:fillColor="#00000000"
122 |         android:pathData="M19,49L89,49"
123 |         android:strokeWidth="0.8"
124 |         android:strokeColor="#33FFFFFF" />
125 |     <path
126 |         android:fillColor="#00000000"
127 |         android:pathData="M19,59L89,59"
128 |         android:strokeWidth="0.8"
129 |         android:strokeColor="#33FFFFFF" />
130 |     <path
131 |         android:fillColor="#00000000"
132 |         android:pathData="M19,69L89,69"
133 |         android:strokeWidth="0.8"
134 |         android:strokeColor="#33FFFFFF" />
135 |     <path
136 |         android:fillColor="#00000000"
137 |         android:pathData="M19,79L89,79"
138 |         android:strokeWidth="0.8"
139 |         android:strokeColor="#33FFFFFF" />
140 |     <path
141 |         android:fillColor="#00000000"
142 |         android:pathData="M29,19L29,89"
143 |         android:strokeWidth="0.8"
144 |         android:strokeColor="#33FFFFFF" />
145 |     <path
146 |         android:fillColor="#00000000"
147 |         android:pathData="M39,19L39,89"
148 |         android:strokeWidth="0.8"
149 |         android:strokeColor="#33FFFFFF" />
150 |     <path
151 |         android:fillColor="#00000000"
152 |         android:pathData="M49,19L49,89"
153 |         android:strokeWidth="0.8"
154 |         android:strokeColor="#33FFFFFF" />
155 |     <path
156 |         android:fillColor="#00000000"
157 |         android:pathData="M59,19L59,89"
158 |         android:strokeWidth="0.8"
159 |         android:strokeColor="#33FFFFFF" />
160 |     <path
161 |         android:fillColor="#00000000"
162 |         android:pathData="M69,19L69,89"
163 |         android:strokeWidth="0.8"
164 |         android:strokeColor="#33FFFFFF" />
165 |     <path
166 |         android:fillColor="#00000000"
167 |         android:pathData="M79,19L79,89"
168 |         android:strokeWidth="0.8"
169 |         android:strokeColor="#33FFFFFF" />
170 | </vector>
171 | 


--------------------------------------------------------------------------------