ActivityResultCaller.kt
/*
* Copyright 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.activity
import androidx.activity.result.ActivityResultCaller
import androidx.activity.result.ActivityResultRegistry
import androidx.activity.result.contract.ActivityResultContract
/**
* A version of [ActivityResultCaller.registerForActivityResult]
* that additionally takes an input right away, producing a launcher that doesn't take any
* additional input when called.
*
* @see ActivityResultCaller.registerForActivityResult
*/
inline fun <I, O> ActivityResultCaller.registerForActivityResult(
contract: ActivityResultContract<I, O>,
input: I,
registry: ActivityResultRegistry,
crossinline callback: (O) -> Unit
): () -> Unit {
return { registerForActivityResult(contract, registry) { callback(it) }.launch(input) }
}
/**
* A version of [ActivityResultCaller.registerForActivityResult]
* that additionally takes an input right away, producing a launcher that doesn't take any
* additional input when called.
*
* @see ActivityResultCaller.registerForActivityResult
*/
inline fun <I, O> ActivityResultCaller.registerForActivityResult(
contract: ActivityResultContract<I, O>,
input: I,
crossinline callback: (O) -> Unit
): () -> Unit {
return { registerForActivityResult(contract) { callback(it) }.launch(input) }
}