vorobeij

 private static List<File> getFilesInFolder(String path) {
        List<File> files = new ArrayList<>();
        File folder = new File(path);

        File[] listOfFiles = folder.listFiles();

        for (int i = 0; i < listOfFiles.length; i++) {
            if (listOfFiles[i].isFile()) {
                files.add(listOfFiles[i]);
            } else if (listOfFiles[i].isDirectory()) {

vorobeij

List<String> listOfLines = Files.readAllLines(Paths.get(f.getAbsolutePath()));

vorobeij

echo 2 | sudo tee /sys/bus/usb/devices/*/power/autosuspend >/dev/null
echo on | sudo tee /sys/bus/usb/devices/*/power/level >/dev/null

vorobeij

package com.jack.sparrow.mylauncher.model;

import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Build;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.util.Log;

vorobeij

fun main(args: Array<String>) {

    val gson = GsonBuilder().setPrettyPrinting().create()
    val person = Person("Kolineer", 27, listOf("I am Kotlin Learner", "At Kotlination"))

    // to json
    val jsonPerson: String = gson.toJson(person)
    println(jsonPerson)

    // from json

vorobeij

val timings = TimingLogger("YOUR_TAG", "methodA")
        // ... do some work A ...
        timings.addSplit("work A")
        // ... do some work B ...
        timings.addSplit("work B")
        // ... do some work C ...
        timings.addSplit("work C")
        timings.dumpToLog()

        // adb shell setprop log.tag.YOUR_TAG VERBOSE

vorobeij

    // perform task for each element in list in many threads with rxjava2
    fun getAppsList2(): Single<MutableList<UserApp>>? {
        val pm = context.packageManager
        val packages = pm.getInstalledApplications(PackageManager.GET_META_DATA)
        val tasks: MutableList<ApplicationInfo> = mutableListOf()

        packages.mapTo(tasks) { it }

        return Observable.fromIterable(tasks)
                .map { appInfo ->

vorobeij

private fun saveBitmap(bitmap: Bitmap,
                           name: String) {
        val s = context.packageName
        Timber.d("jsp bitmap is saved ")
        MediaStore.Images.Media.insertImage(context.contentResolver, bitmap, name, s);
    }

vorobeij

private fun initRvActions() {
    rvCommands.layoutManager = LinearLayoutManager(this)
    rvCommands.adapter = AdapterCommands(model)
   rvCommands.addItemDecoration(DividerItemDecoration(this, DividerItemDecoration.VERTICAL))

    val swipeHandler = object : SwipeToDeleteCallback(this) {
        override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int) {
            val adapter = rvCommands.adapter as AdapterCommands
            adapter.removeAt(viewHolder.adapterPosition)
        }

vorobeij

// set on long click listener
launcherGrid.setOnItemLongClickListener { parent, view, position, id ->
    Timber.d("jsp grid item id=$id pos=$position long clicked")
    launcherAdapter().startDrag(view, position)
    false
}

data class DragData(val view: View,
                        val position: Int)