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Add RequestAccess ActivityResultContract to request the right storage…
… permissions based (#84) Update sample to use RequestAccess Update permissions guide to include RequestAccess Add navigation link to changelogs generated by GitHub
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77 changes: 77 additions & 0 deletions
77
permissions/src/main/java/com/google/modernstorage/permissions/RequestAccess.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| /* | ||
| * Copyright 2022 Google LLC | ||
| * | ||
| * 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 | ||
| * | ||
| * https://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 com.google.modernstorage.permissions | ||
|
|
||
| import android.app.Activity | ||
| import android.content.Context | ||
| import android.content.Intent | ||
| import android.content.pm.PackageManager | ||
| import androidx.activity.result.contract.ActivityResultContract | ||
| import androidx.activity.result.contract.ActivityResultContracts | ||
| import androidx.activity.result.contract.ActivityResultContracts.RequestMultiplePermissions.EXTRA_PERMISSION_GRANT_RESULTS | ||
| import androidx.core.content.ContextCompat | ||
|
|
||
| class RequestAccess : ActivityResultContract<RequestAccess.Args, Boolean>() { | ||
| class Args( | ||
| val action: StoragePermissions.Action, | ||
| val types: List<StoragePermissions.FileType>, | ||
| val createdBy: StoragePermissions.CreatedBy | ||
| ) | ||
|
|
||
| override fun createIntent(context: Context, input: Args): Intent { | ||
| val permissions = | ||
| StoragePermissions.getPermissions(input.action, input.types, input.createdBy) | ||
| return Intent(ActivityResultContracts.RequestMultiplePermissions.ACTION_REQUEST_PERMISSIONS).putExtra( | ||
| ActivityResultContracts.RequestMultiplePermissions.EXTRA_PERMISSIONS, | ||
| permissions.toTypedArray() | ||
| ) | ||
| } | ||
|
|
||
| override fun getSynchronousResult( | ||
| context: Context, | ||
| input: Args | ||
| ): SynchronousResult<Boolean>? { | ||
| val permissions = | ||
| StoragePermissions.getPermissions(input.action, input.types, input.createdBy) | ||
|
|
||
| if (permissions.isEmpty()) { | ||
| return SynchronousResult(true) | ||
| } | ||
|
|
||
| val allGranted = permissions.all { permission -> | ||
| ContextCompat.checkSelfPermission( | ||
| context, | ||
| permission | ||
| ) == PackageManager.PERMISSION_GRANTED | ||
| } | ||
|
|
||
| return if (allGranted) SynchronousResult(true) else null | ||
| } | ||
|
|
||
| override fun parseResult( | ||
| resultCode: Int, | ||
| intent: Intent? | ||
| ): Boolean { | ||
| if (resultCode != Activity.RESULT_OK) return false | ||
| if (intent == null) return false | ||
| val permissions = | ||
| intent.getStringArrayExtra(ActivityResultContracts.RequestMultiplePermissions.EXTRA_PERMISSIONS) | ||
| val grantResults = intent.getIntArrayExtra(EXTRA_PERMISSION_GRANT_RESULTS) | ||
| if (grantResults == null || permissions == null) return false | ||
|
|
||
| return grantResults.all { result -> result == PackageManager.PERMISSION_GRANTED } | ||
| } | ||
| } |
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