pskink

/*
 * 
    <declare-styleable name="GridSpanLayout">
        <attr name="rows" format="integer" />
        <attr name="columns" format="integer" />

        <attr name="column" format="integer" />
        <attr name="row" format="integer" />
        <attr name="columnSpan" format="integer" />
        <attr name="rowSpan" format="integer" />

pskink

public class VG extends ViewGroup {
    private static final String TAG = "VG";
    private final ViewDragHelper mDragHelper;
    private Rect[] mBounds = new Rect[4];

    public VG(Context context) {
        super(context);
        int[] colors = {Color.RED, Color.GREEN, Color.BLUE, Color.YELLOW};
        for (int i = 0; i < 4; i++) {
            TextView tv = new TextView(getContext());

pskink

package com.example.app.myapplication;

import android.graphics.ColorFilter;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;

public class ColorFilterGenerator {

    private static double DELTA_INDEX[] = {
        0,    0.01, 0.02, 0.04, 0.05, 0.06, 0.07, 0.08, 0.1,  0.11,

pskink

package com.example.app.myapplication;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;

/*
res/layout/fsvt.xml test layout file:

<?xml version="1.0" encoding="utf-8"?>

pskink

package com.example.app.myapplication;

import android.content.Context;
import android.support.v4.widget.ViewDragHelper;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;

public abstract class FlexScrollView extends ViewGroup {

pskink

package com.example.app.myapplication;

import android.database.Cursor;
import android.database.CursorWrapper;

public class ColumnExtenderCursor extends CursorWrapper {

    private final String[] columnNames;

    public ColumnExtenderCursor(Cursor cursor, String... newColumns) {

pskink

// add in Activity#onCreate
        ListView lv = new ListView(this);
        setContentView(lv);

        Uri uri = ContactsContract.Contacts.CONTENT_URI;
        Wrapper c = Wrapper.query(getContentResolver(), uri, null, null, null, ContactsContract.Contacts.DISPLAY_NAME, getResources());
        String[] from = {
                ContactsContract.Contacts.DISPLAY_NAME,
                Wrapper.PHONES,
        };

pskink

    abstract class DecoratedDrawable extends LevelListDrawable {
        public DecoratedDrawable(Context ctx, int resId) {
            TypedArray typedArray = ctx.obtainStyledAttributes(new int[] {resId});
            Drawable drawable = typedArray.getDrawable(0);
            typedArray.recycle();
            if (drawable == null) {
                drawable = ctx.getResources().getDrawable(resId);
            }
            init(drawable);
        }

pskink

    class CircleBitmapDrawable extends Drawable {
        Bitmap bitmap;
        Paint maskPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        Paint borderPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        float side;
        float radius;

        public CircleBitmapDrawable(Bitmap wrappedBitmap, float borderWidth, int borderColor) {
            bitmap = wrappedBitmap;
            borderPaint.setStyle(Paint.Style.STROKE);

pskink

import 'dart:async';
import 'dart:math';

import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:quiver/cache.dart';
import 'package:quiver/collection.dart';

/*
class LazyList extends StatefulWidget {