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import android.app.Activity
import android.databinding.DataBindingUtil
import android.databinding.ViewDataBinding


fun <T : ViewDataBinding> Activity.contentViewBinding(layout: Int): Lazy<T> = lazy {
    DataBindingUtil.setContentView<T>(this, layout)
}

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class SampleAdapter() : RecyclerView.Adapter<SampleAdapter.ViewHolder>() {
    var data: List<String> = emptyList()
    var onClick: (String) -> Unit = {}
    
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder? {
        val binding = ItemListBinding.inflate(LayoutInflater.from(parent.context), parent, false)
        binding.root.setOnClickListener {
            onClick(data[(parent as RecyclerView).getChildAdapterPosition(it)])
        }
        return ViewHolder(it)

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import android.app.Activity
import android.content.ComponentName
import android.content.Context
import android.content.Intent
import android.content.pm.PackageManager
import android.graphics.Bitmap
import android.net.Uri
import android.support.customtabs.CustomTabsClient
import android.support.customtabs.CustomTabsIntent
import android.support.customtabs.CustomTabsServiceConnection

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"""
    Batch compress PNG images by using TinyPNG
    usage: 
        tinyPNG.py <key> <target-folder> <source-file>...
"""
import os
import glob
import sys
import re
import shutil

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"""
    Copy image files with dpi suffix to Android resource folder
    usage: 
        resource_copy.py <target-resource-folder> <source-file>...
"""

import os
import glob
import sys
import re

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"""
    QRcode generator

    usage: 
        qr_gen.py [-t] <url>

    options:
        -t   Translate localhost or loopback address to host address
"""
import qrcode