patrick-elmquist

<?xml version="1.0" encoding="utf-8"?>
<!--
  Copyright 2017 Google Inc.

  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

patrick-elmquist

-- Example table
CREATE TABLE ring_buffer (id INTEGER PRIMARY KEY AUTOINCREMENT, data TEXT);

-- Number 10 on where statement defines the ring buffer's size
CREATE TRIGGER delete_tail AFTER INSERT ON ring_buffer
BEGIN
    DELETE FROM ring_buffer WHERE id%10=NEW.id%10 AND id!=NEW.id;
END;

patrick-elmquist

<com.patrickiv.demo.enteranimationdemo.recyclerview.GridRecyclerView
    android:id="@+id/recycler_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layoutAnimation="@anim/grid_layout_animation_from_bottom"
    />

patrick-elmquist

int resId = R.anim.grid_layout_animation_from_bottom;
LayoutAnimationController animation = AnimationUtils.loadLayoutAnimation(ctx, resId);
recyclerview.setLayoutAnimation(animation);

patrick-elmquist

com.patrickiv.demo.enteranimationdemo E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.patrickiv.demo.enteranimationdemo, PID: 19510
java.lang.ClassCastException: android.view.animation.LayoutAnimationController$AnimationParameters cannot be cast to android.view.animation.GridLayoutAnimationController$AnimationParameters
   at android.view.animation.GridLayoutAnimationController.getDelayForView(GridLayoutAnimationController.java:299)
   at android.view.animation.LayoutAnimationController.getAnimationForView(LayoutAnimationController.java:323)
   at android.view.ViewGroup.bindLayoutAnimation(ViewGroup.java:4584)
   at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3453)
   at android.view.View.draw(View.java:17240)
   at android.support.v7.widget.RecyclerView.draw(RecyclerView.java:3985)
   ...

patrick-elmquist

/**
 * RecyclerView with support for grid animations.
 *
 * Based on:
 * https://gist.github.com/Musenkishi/8df1ab549857756098ba
 * Credit to Freddie (Musenkishi) Lust-Hed
 *
 * ...which in turn is based on the GridView implementation of attachLayoutParameters(...):
 * https://android.googlesource.com/platform/frameworks/base/+/master/core/java/android/widget/GridView.java
 *

patrick-elmquist

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
     android:duration="@integer/anim_duration_long">

    <translate
        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
        android:fromYDelta="50%p"
        android:toYDelta="0"
        />

patrick-elmquist

<?xml version="1.0" encoding="utf-8"?>
<gridLayoutAnimation
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:animation="@anim/item_animation_from_bottom"
    android:animationOrder="normal"
    android:columnDelay="15%"
    android:rowDelay="15%"
    android:direction="top_to_bottom|left_to_right"
    />

patrick-elmquist

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
     android:duration="@integer/anim_duration_long">

    <translate
        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
        android:fromYDelta="50%p"
        android:toYDelta="0"
        />

patrick-elmquist

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
     android:duration="@integer/anim_duration_long">

    <translate
        android:interpolator="@android:anim/decelerate_interpolator"
        android:fromXDelta="100%p"
        android:toXDelta="0"
        />