写这段代码前重点参考了 PermissionsDispatcher
差异：
- 没有使用注解而是使用了链式调用的使用形式
- 确定第是否是第三次权限请求的实现逻辑不同
- PermissionsDispatcher 通过真正请求权限得知本次请求是否第三次请求权限
- 本代码通过本地化标识确定是否第三次请求权限
- 没有处理特殊权限
不足：
- 喜欢链式调用完全是个人口味，如果有人希望我用用注解在实现一次，表示可能会接受这个建议
- 判断是否是第三次权限请求，如果不通过本地化标识就完美了
- 尝试过判断权限请求响应时间，最终认为准确性无法保证，舍去
- 尝试过查看源代码找到合理的入口，未成功，舍去
- 针对这个点如果有更好的实现方式，希望能交流
我认为的权限请求应该是这样的流程
添加依赖
//ModuleName/build.gradle
dependencies {
implementation 'io.github.tomgarden:lib_permission:0.3.0'
}
//ModuleName/build.gradle OR ProjectName/build.gradle
repositories {
maven {
url = uri("https://maven.pkg.github.com/TomGarden/lib_permission")
credentials {
//不限的 github 账户名
username = System.getenv("TOMGARADEN_USERNAME")
//与 github 账户名成对的 具有 read:packages 权限的 token
password = System.getenv("TOMGARADEN_READ_PACKAGES_TOKEN")
}
}
}findViewById<Button>(R.id.btnRequestPermission).setOnClickListener {
Permission(this)
.permissions(
Manifest.permission.READ_PHONE_STATE,
Manifest.permission.READ_CONTACTS,
Manifest.permission.CAMERA,
Manifest.permission.READ_EXTERNAL_STORAGE
)
.secondRationale { permission, activity, allPermissionList, grantedRequestList, firstRequestList, secondRequestList ->
val message = "二次权限请求 \n secondRationale \n*** allpermission \n $allPermissionList " +
"\n*** grantedRequestList \n $grantedRequestList" +
"\n*** firstRequestList \n $firstRequestList " +
"\n*** firstRequestList \n $secondRequestList"
Logger.i(message)
AlertDialog.Builder(this)
.setMessage(message)
.setPositiveButton(
"continue"
) { _, _ ->
permission.continueRequest(activity, allPermissionList.toTypedArray())
}
.setNegativeButton("cancel", null)
.create()
.show()
}
.thirdRationale { permission, activity, allPermissionList, grantedRequestList, firstRequestList, secondRequestList, thirdRequestList ->
val message = "三次权限请求 \n thirdRationale \n*** allpermission \n $allPermissionList " +
"\n*** grantedRequestList \n $grantedRequestList" +
"\n*** firstRequestList \n $firstRequestList " +
"\n*** secondRequestList \n $secondRequestList"
AlertDialog.Builder(this)
.setMessage(message)
.setPositiveButton(
"setting"
) { _, _ ->
permission.goAppSetting(activity)
}
.setNegativeButton("cancel", null)
.create()
.show()
}
.grantedPartPermissions { }
.deniedPartPermissions { }
.grantedAllPermissions { }
.deniedAllPermissions { }
.requestPermissionsResult { allPermissionList, grantedPermissions, deniedPermissions ->
val message = "requestPermissionsResult " +
"\n*** allPermissionList \n $allPermissionList" +
"\n*** grantedPermissions \n $grantedPermissions" +
"\n*** deniedPermissions \n $deniedPermissions"
Logger.e(message)
}
//.request(this)//这种写法需要覆写 onRequestPermissionsResult 函数
.requestSimple(this)//这种写法不需要覆写 onRequestPermissionsResult 函数
}需要覆写 onRequestPermissionsResult 的情况
class MainActivity : AppCompatActivity() {
private val TAG: String = "[email protected]"
private val defRequestCode = 1
private val permissionUtil: Permission by lazy { Permission(this) }
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
btnLibPermission.setOnClickListener { libPerRequest() }
}
fun libPerRequest() {
permissionUtil/*request 方法务必放在调用链的末尾*/
.secondRationale { permission, activity, allPermissions, grantedRequestList, firstRequestList, secondRequestList ->
AlertDialog.Builder(this)
.setTitle("222222 二次请求前的必要解释")
.setMessage("对于请求权限的合理解释")
.setPositiveButton("授予") { dialog, which -> permission.continueRequest(activity, allPermissions.toTypedArray()) }
.setNegativeButton("拒绝") { dialog, which -> permission.deniedAll() }
.create()
.show()
}
.thirdRationale { permission, activity, allPermissions, grantedRequestList, firstRequestList, secondRequestList, thirdRequestList ->
AlertDialog.Builder(this)
.setTitle("333333 三次请求前的必要解释")
.setMessage("对于请求权限的合理解释")
.setPositiveButton("授予") { dialog, which -> permission.goAppSetting(activity) /*授予动作意味着什么由开发者决定*/ }
.setNegativeButton("拒绝") { dialog, which -> permission.deniedAll() }
.setNeutralButton("授予二次请求的部分权限") { dialog, which -> permission.continueRequest(activity, secondRequestList.toTypedArray()) }
.create()
.show()
}
.grantedAllPermissions {
Log.i(TAG, "requestPermissionsResult(…) 调用时，本接口可不必调用 ， ——grantedAllPermissions")
//Toast.makeText(this, "grantedAllPermissions", Toast.LENGTH_SHORT).show()
//Log.d(TAG, "" + telManager.deviceId)
}
.deniedAllPermissions {
Log.i(TAG, "requestPermissionsResult(…) 调用时，本接口可不必调用 ， ——deniedAllPermissions")
//Toast.makeText(this, "deniedAllPermissions", Toast.LENGTH_SHORT).show()
}
.grantedPartPermissions { list: MutableList<String> ->
Log.i(TAG, "requestPermissionsResult(…) 调用时，本接口可不必调用 ， ——grantedPartPermissions\t" + list.size)
//Toast.makeText(this, "grantedPartPermissions\t" + list.size, Toast.LENGTH_SHORT).show()
}
.deniedPartPermissions { list: MutableList<String> ->
Log.i(TAG, "requestPermissionsResult(…) 调用时，本接口可不必调用 ， ——deniedPartPermissions\t" + list.size)
//Toast.makeText(this, "deniedPartPermissions\t" + list.size, Toast.LENGTH_SHORT).show()
}
.requestPermissionsResult { allPermissionList, grantedPermissions, deniedPermissions ->
/*grantedAllPermissions
deniedAllPermissions
grantedPartPermissions
deniedPartPermissions
几个回调所能提供的参数在这里都能提供，具体实现哪一个取决与开发者
*/
Log.i(TAG, "requestPermissionsResult")
}
.request(
this,
Manifest.permission.READ_PHONE_STATE,
Manifest.permission.READ_CONTACTS,
Manifest.permission.CAMERA,
Manifest.permission.READ_EXTERNAL_STORAGE)
}
override fun onRequestPermissionsResult(
requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults)
permissionUtil.onRequestPermissionsResult(requestCode, permissions, grantResults)
}
}
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