Permission Launcher

Android lightweight library to perform permissions request the right way using ActivityResultCallback, Check how to request permission from documentation.

Usage

Unique permission request

private val contactPermissionLauncher = createPermissionLauncher(Manifest.permission.READ_CONTACTS)
//...
button.setOnClickListener {
        contactPermissionLauncher.launch(
            rationaleCallback = { permission, rationalePermissionLauncher ->
                showRationale(permission, rationalePermissionLauncher)
                // From your rationale call either : 
                // + rationalePermissionLauncher.cancel() to cancel request
                // + rationalePermissionLauncher.deny() to call denied callback
                // + rationalePermissionLauncher.accept() to continue process and show Android dialog for permission
            },
            deniedCallback = { permission, neverAskAgain ->
                // handle denied
            }
        ) {
            // handle permission granted
        }
    }

Multiple permissions with at least one permission required

private val locationPermissionLauncher = createMultiplePermissionsLauncher(
        anyOf(Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION)
    )
//...
button.setOnClickListener {
        locationPermissionLauncher.launch(
            rationaleCallback = { permissions, rationalePermissionLauncher ->
                showRationale(permissions, rationalePermissionLauncher)
                // From your rationale call either : 
                // + rationalePermissionLauncher.cancel() to cancel request
                // + rationalePermissionLauncher.deny() to call denied callback
                // + rationalePermissionLauncher.accept() to continue process and show Android dialog for permissions
            },
            deniedCallback = { permissions, neverAskAgain ->
                // handle denied
            }
        ) {
           // handle permissions granted
        }
    }

Multiple permissions with all permissions required and one required until Android SDK 28

private val cameraPermissionLauncher = createMultiplePermissionsLauncher(
        allOf(
            Manifest.permission.CAMERA,
            Manifest.permission.WRITE_EXTERNAL_STORAGE maxSdkVersion Build.VERSION_CODES.P
        )
    )
//...
button.setOnClickListener {
        cameraPermissionLauncher.launch(
                rationaleCallback = { permissions, rationalePermissionLauncher ->
                    showRationale(permissions, rationalePermissionLauncher)
                    // From your rationale call either : 
                    // + rationalePermissionLauncher.cancel() to cancel request
                    // + rationalePermissionLauncher.deny() to call denied callback
                    // + rationalePermissionLauncher.accept() to continue process and show Android dialog for permissions
                },
                deniedCallback = { permissions, neverAskAgain ->
                    // handle denied
                }
            ) {
                // handle permissions granted
            }
    }

Check sample for full usage.

Download

implementation 'net.samystudio.permissionlauncher:permissionlauncher-ktx:0.9.2'

Snapshots are available from Sonatype's snapshots repository. If you want to run latest snapshot add its repository from your root build.gradle:

allprojects {
    repositories {
        google()
        mavenCentral()
        //...
        maven { url "https://oss.sonatype.org/content/repositories/snapshots" }
    }
}

and change versions:

implementation 'net.samystudio.permissionlauncher:permissionlauncher-ktx:0.9.3-SNAPSHOT'

Publishing

1. Change the version in gradle.properties to a non-SNAPSHOT version.
2. Update the CHANGELOG.md for the impending release.
3. Update the README.md with the new version.
4. git commit -am "Prepare for release X.Y.Z" (where X.Y.Z is the new version)
5. ./gradlew publish --no-configuration-cache
6. git tag -a X.Y.Z -m "Version X.Y.Z" (where X.Y.Z is the new version)
7. Update the gradle.properties to the next SNAPSHOT version.
8. git commit -am "Prepare next development version"
9. git push && git push --tags
10. ./gradlew closeAndReleaseRepository or visit Sonatype Nexus and promote the artifact.

License

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.