Android Params

Android library to simplify passing params to activities and fragments (currently it's working only with the androidx fragments).

Setup

Add the JitPack repository to your build file

allprojects {
  repositories {
    ...
    maven { url 'https://jitpack.io' }
  }
}

Add library dependency to your project build file

dependencies {
  implementation 'com.github.cregus:android-params:1.1'
}

Sample usage

Passing params to activity

class UserActivity : AppCompatActivity() {
    companion object : ActivityParams<UserActivity, Long> by activityParams()

    private val id by loadParams()

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        Log.d("Params", "id: $id")
    }
}

and then:

val intent = UserActivity.createIntent(context, 1)

Passing params to fragment with default value

class UserFragment : Fragment() {
    companion object : FragmentParams<UserFragment, Long> by fragmentParams()

    private val id by loadParams(0)

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        Log.d("Params", "id: $id")
    }
}

and then:

val fragment = UserFragment.newInstance(1)

Passing multiple params

class UserFragment : Fragment() {
    @Parcelize
    data class Params(val id: Long, val name: String) : Parcelable

    companion object : FragmentParams<UserFragment, Params> by fragmentParams()

    private val params by loadParams()

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        Log.d("Params", "id: ${params.id}, name: ${params.name}")
    }
}

and then:

val fragment = UserFragment.newInstance(UserFragment.Params(1, "John Smith"))