permission temp

library/src/main/java/luyao/util/ktx/ext/permission/KtxPermissionFragment.kt

@@ -0,0 +1,29 @@
+package luyao.util.ktx.ext.permission
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+
+/**
+ * Created by luyao
+ * on 2019/6/18 16:27
+ */
+class KtxPermissionFragment : Fragment() {
+
+    private val PERMISSION_REQUEST_CODE = 0XFF
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        retainInstance = true
+    }
+
+    fun requestPermissions(permissions: Array<String>) {
+        requestPermissions(permissions, PERMISSION_REQUEST_CODE)
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        if (requestCode == PERMISSION_REQUEST_CODE) {
+
+        }
+    }
+}

library/src/main/java/luyao/util/ktx/ext/permission/PermissionExt.kt

@@ -0,0 +1,50 @@
+package luyao.util.ktx.ext.permission
+
+import android.app.Activity
+import android.content.pm.PackageManager
+import android.os.Build
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+
+/**
+ * Created by luyao
+ * on 2019/6/18 15:47
+ */
+
+fun Activity.request(vararg permissions: String) {
+
+    val needRequestPermissions = permissions.filter { !isGranted(it) && !isRevoked(it) }
+
+    if (needRequestPermissions.isEmpty()) {
+        // onGranted
+    } else {
+        val shouldShowRationalePermissions = mutableListOf<String>()
+        val shouldNotShowRationalePermissions = mutableListOf<String>()
+        for (permission in needRequestPermissions) {
+            if (ActivityCompat.shouldShowRequestPermissionRationale(this, permission))
+                shouldShowRationalePermissions.add(permission)
+            else
+                shouldNotShowRationalePermissions.add(permission)
+        }
+
+        if (shouldShowRationalePermissions.isNotEmpty()){
+            // shouldShowRequestPermissionRationale
+        }
+
+        if (shouldNotShowRationalePermissions.isNotEmpty()){
+            // request permission
+        }
+    }
+}
+
+
+fun Activity.isGranted(permission: String): Boolean {
+    return Build.VERSION.SDK_INT < Build.VERSION_CODES.M ||
+            ContextCompat.checkSelfPermission(this, permission) == PackageManager.PERMISSION_GRANTED
+}
+
+fun Activity.isRevoked(permission: String): Boolean {
+    return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M &&
+            packageManager.isPermissionRevokedByPolicy(permission, packageName)
+
+}