patrick-elmquist

private void runLayoutAnimation(final RecyclerView recyclerView) {
    final Context context = recyclerView.getContext();
    final LayoutAnimationController controller =
            AnimationUtils.loadLayoutAnimation(context, R.anim.layout_animation_fall_down);

    recyclerView.setLayoutAnimation(controller);
    recyclerView.getAdapter().notifyDataSetChanged();
    recyclerView.scheduleLayoutAnimation();
}

patrick-elmquist

<?xml version="1.0" encoding="utf-8"?>
<layoutAnimation
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:animation="@anim/item_animation_fall_down"
    android:delay="15%"
    android:animationOrder="normal"
    />

patrick-elmquist

<set xmlns:android="http://schemas.android.com/apk/res/android"
     android:duration="@integer/anim_duration_medium">

    <translate
        android:fromYDelta="-20%"
        android:toYDelta="0"
        android:interpolator="@android:anim/decelerate_interpolator"
        />

    <alpha

patrick-elmquist

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

patrick-elmquist

@Override
protected void onDraw(Canvas canvas) {
    // 1. The size of the base circle
    // 2. Where the arc starts in degrees
    // 3. The size of the arc in degrees, starting at #2
    // 4. If the arc should be drawn as a pie, false makes it a stroke
    // 5. The paint to use
    canvas.drawArc(mArcBounds, mArcStart, mArcSize, false, mPaint);
}

patrick-elmquist

public class SpinnerLoaderView extends View {

    private final RectF mArcBounds = new RectF();
    private final Paint mPaint = new Paint();
  
    // ...
  
    @Override
    protected void onSizeChanged(int width, int height, int oldWidth, int oldHeight) {
        super.onSizeChanged(width, height, oldWidth, oldHeight);

patrick-elmquist

private float calculateArcSize(float animationProgress) {
    final double adjustedProgress = Math.sin(animationProgress * Math.PI);
    // ARC_MAX_DEGREES is the maximum size the arc will have in degrees.
    // ARC_MAX_DEGREES = 180 means that at it's largest it will cover
    // half the circle.
    return (float) adjustedProgress * -ARC_MAX_DEGREES;
}

private float calculateArcStart(float animationProgress) {
    final float deceleratedProgress = mDecelerateInterpolator.getInterpolation(animationProgress);

patrick-elmquist

public class SpinnerLoaderView extends View {
  
    private static final long ANIMATION_DURATION = 1250L;

    private ValueAnimator mAnimator;
    private float mArcStart;
    private float mArcSize;
    
    // ...
  

patrick-elmquist

public class SpinnerLoaderView extends View {
    
    private final Paint mPaint = new Paint();
    
    /** @see View#View(Context) */
    public SpinnerLoaderView(Context context) {
        super(context);
        init();
    }

patrick-elmquist

#!/usr/bin/env ruby

# This pre-commit hook will prevent any commit to forbidden branches
# (by default, "staging" and "production").
# Put this file in your local repo, in the .git/hooks folder
# and make sure it is executable.
# The name of the file *must* be "pre-commit" for Git to pick it up.

def current_branch()
  branches = `git branch --no-color`.split(/\n/)