Achieve cascade effect, reference example online, there is a change, use now binding and additional effects.

ColoristicFreebie\.gitignore
.................\..radle\2.2.1\taskArtifacts\cache.properties
.................\.......\.....\.............\cache.properties.lock
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.................\.....\.........\nineoldandroids_2_4_0.xml
.................\.....\.........\support_annotations_21_0_2.xml
.................\.....\.........\support_v4_21_0_2.xml
.................\.....\misc.xml
.................\.....\modules.xml
.................\.....\scopes\scope_settings.xml
.................\.....\vcs.xml
.................\.....\workspace.xml
.................\app\.gitignore
.................\...\app.iml
.................\...\build\generated\source\buildConfig\debug\fream\com\gt\coloristicfreebie\BuildConfig.java
.................\...\.....\.........\......\...........\test\debug\fream\com\gt\coloristicfreebie\test\BuildConfig.java
.................\...\.....\.........\......\r\debug\android\support\v7\appcompat\R.java
.................\...\.....\.........\......\.\.....\fream\com\gt\coloristicfreebie\R.java
.................\...\.....\intermediates\classes\debug\android\support\v7\appcompat\R$anim.class
.................\...\.....\.............\.......\.....\.......\.......\..\.........\R$attr.class
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.................\...\.....\.............\.......\.....\.......\.......\..\.........\R$color.class
.................\...\.....\.............\.......\.....\.......\.......\..\.........\R$dimen.class
.................\...\.....\.............\.......\.....\.......\.......\..\.........\R$drawable.class
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.................\...\.....\.............\.......\.....\.......\.......\..\.........\R$string.class
.................\...\.....\.............\.......\.....\.......\.......\..\.........\R$style.class
.................\...\.....\.............\.......\.....\.......\.......\..\.........\R$styleable.class
.................\...\.....\.............\.......\.....\.......\.......\..\.........\R.class
.................\...\.....\.............\.......\.....\fream\com\gt\coloristicfreebie\BuildConfig.class
.................\...\.....\.............\.......\.....\.....\...\..\.................\ColoristicFreebieMainWindow.class
.................\...\.....\.............\.......\.....\.....\...\..\.................\R$anim.class
.................\...\.....\.............\.......\.....\.....\...\..\.................\R$attr.class
.................\...\.....\.............\.......\.....\.....\...\..\.................\R$bool.class
.................\...\.....\.............\.......\.....\.....\...\..\.................\R$color.class
.................\...\.....\.............\.......\.....\.....\...\..\.................\R$dimen.class
.................\...\.....\.............\.......\.....\.....\...\..\.................\R$drawable.class
.................\...\.....\.............\.......\.....\.....\...\..\.................\R$id.class
.................\...\.....\.............\.......\.....\.....\...\..\.................\R$integer.class
.................\...\.....\.............\.......\.....\.....\...\..\.................\R$layout.class
.................\...\.....\.............\.......\.....\.....\...\..\.................\R$menu.class
.................\...\.....\.............\.......\.....\

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