murdly

public class ScratchView extends View {
    private static final float DRAWING_PAINT_STROKE_WIDTH = 75f;
    private static final int DRAWING_MOVE_TOLERANCE = 10;
    private static final double SCRATCHED_RATIO = 90.0;
    private static final float DEFAULT_SCALE = 1f;

    private Path mDrawingPath;
    private Paint mDrawingPaint;
    private Paint mBitmapPaint;
    private Canvas mDrawingCanvas;

murdly

public class ViewAnimationUtils {

    public static AnimatorSet createLinearReveal(final View viewToReveal, final int offsetWidth, final int offsetHeight, final int duration) {
        viewToReveal.clearAnimation();

        final int targetWidth = viewToReveal.getMeasuredWidth();
        final int targetHeight = viewToReveal.getMeasuredHeight();

        viewToReveal.getLayoutParams().height = offsetHeight;
        viewToReveal.requestLayout();

murdly

import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.GradientDrawable;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewPropertyAnimator;

import static android.graphics.drawable.GradientDrawable.LINEAR_GRADIENT;

murdly

import android.content.Context
import android.graphics.drawable.Drawable
import android.util.AttributeSet
import android.view.View
import android.view.ViewGroup
import android.view.animation.AnimationUtils
import android.widget.ImageView
import android.widget.ViewSwitcher
import com.bumptech.glide.load.DataSource
import com.bumptech.glide.load.engine.GlideException