stepango

<!-- RED -->
<color name="red_50">#fde0dc</color>
<color name="red_100">#f9bdbb</color>
<color name="red_200">#f69988</color>
<color name="red_300">#f36c60</color>
<color name="red_400">#e84e40</color>
<color name="red_500">#e51c23</color>
<color name="red_600">#dd191d</color>
<color name="red_700">#d01716</color>
<color name="red_800">#c41411</color>

stepango

Integer getVersionCode() {
    def sout = new StringBuffer()
    def proc = 'git rev-list HEAD --count'.execute()
    proc.consumeProcessOutput(sout, new StringBuffer())
    proc.waitForOrKill(1000)
    return sout.toInteger()
}

stepango

public class App extends Application {
    public void onCreate() {
        super.onCreate();
        AsyncTask.execute(new Runnable() {
            @Override
            public void run() {
                Glide.get(App.this).register(GlideUrl.class, InputStream.class,
                        new OkHttpUrlLoader.Factory(new OkHttpClient()));
            }
        });

stepango

[ERROR]: cannot generate view binders java.lang.NoClassDefFoundError: kotlin/jvm/internal/ExtensionFunctionImpl
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:455)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:367)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)

stepango

fun String?.isEmpty() :Boolean = this == null || "".equals(this)
val a :String? = null
a.isEmpty() // true

stepango

import android.app.Activity
import android.widget.Toast
import android.view.View
import kotlin.properties.Delegates
import android.app.Fragment

fun Activity.toast(s: CharSequence, length: Int = Toast.LENGTH_SHORT) =
        Toast.makeText(this, s, length).show()

fun <T : View?>Activity.find(id: Int) =

stepango

new JsonBuilder<String, String>()
    .put("$email", "mail@google.com")
    .put("$username", "username")
    .put("$name", "Name Name")
    .build()

stepango

// Original colors
val colors = intArrayOf(RED, GREEN, BLUE)
// Modified colors
val colors = intArrayOf(0xFF0000, 0xFFFF00, 0xFF00FF, RED, BLUE, GREEN)

stepango

fun interpColor(@FloatRange(from = 0.0, to = 1.0) unit: Float, colors: IntArray): Int {
    if (unit <= 0) return colors[0]
    if (unit >= 1) return colors[colors.size - 1]

    var p = unit * (colors.size - 1)
    val i = p.toInt()
    // take fractional part
    p -= i

    val c0 = colors[i]

stepango

@SuppressWarnings("MagicNumber")
class ColorPicker @JvmOverloads constructor(
        context: Context,
        attrs: AttributeSet? = null,
        defStyleAttr: Int = 0
) : View(context, attrs, defStyleAttr) {

    val colors = intArrayOf(RED, GREEN, BLUE)
    val strokeSize = 2 * context.resources.displayMetrics.density
    val rainbowPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {