liufsd

//
//  DirectoryUtils.h
//  PhotoCloud
//
//  Created by liupeng on 14/11/2016.
//  Copyright © 2016 liupeng. All rights reserved.
//

#import <Foundation/Foundation.h>

liufsd

let arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]

extension Array {
    func splitBy(subSize: Int) -> [[Element]] {
        return 0.stride(to: self.count, by: subSize).map { startIndex in
            let endIndex = startIndex.advancedBy(subSize, limit: self.count)
            return Array(self[startIndex ..< endIndex])
        }
    }
}

liufsd

import android.app.Activity
import android.support.annotation.IdRes
import android.view.View

fun <T : View> Activity.bind(@IdRes idRes: Int): Lazy<T> {
    @Suppress("UNCHECKED_CAST")
    return unsafeLazy { findViewById(idRes) as T }
}

fun <T : View> View.bind(@IdRes idRes: Int): Lazy<T> {

liufsd

class KotlinActivity : Activity() {

    val btn: Button? by find(R.id.button)

    override fun onCreate(savedInstanceState: Bundle?) {
        super<Activity>.onCreate(savedInstanceState)
        setContentView(R.layout.main)
        btn?.setText("Hello from kotlin")
    }

liufsd

extension UIImage {
    
    func maxArea() -> CGRect{
        let provider = self.cgImage!.dataProvider
        let providerData = provider!.data
        let data = CFDataGetBytePtr(providerData)
        
        var minX = 0