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• io.taig.android
• toolbelt-context_2.11
• 0.8.2
• source code
• package.scala

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io.taig.android.context.package.scala Maven / Gradle / Ivy

package io.taig.android

import scala.reflect.{ClassTag, _}

package object context {

  /**
    * Generate an identifier that can be used as request_code for startActivityForResult
    *
    * The generate identifier must be > 0 an <= 65535.
    */
  def identify[T: ClassTag]: Int = {
    val hash = classTag[T].runtimeClass.getName.hashCode
    val a = hash + 1 + ((hash >> 63) << 1)
    val b = a - (a >> 63)
    b & 65535
  }
}