feat: reqeust notification permission

Author: azhon

appupdate/src/main/AndroidManifest.xml

@@ -2,8 +2,9 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.azhon.appupdate">
 
-    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
     <application android:usesCleartextTraffic="true">
         <service android:name=".service.DownloadService" />

appupdate/src/main/java/com/azhon/appupdate/view/UpdateDialogActivity.kt

@@ -1,8 +1,11 @@
 package com.azhon.appupdate.view
 
+import android.Manifest
 import android.content.Intent
+import android.content.pm.PackageManager
 import android.graphics.drawable.GradientDrawable
 import android.graphics.drawable.StateListDrawable
+import android.os.Build
 import android.os.Bundle
 import android.view.Gravity
 import android.view.View
@@ -11,6 +14,7 @@ import android.widget.Button
 import android.widget.ImageView
 import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.app.ActivityCompat
 import com.azhon.appupdate.R
 import com.azhon.appupdate.config.Constant
 import com.azhon.appupdate.listener.OnButtonClickListener
@@ -37,6 +41,7 @@ class UpdateDialogActivity : AppCompatActivity(), View.OnClickListener {
 
     private val install = 0x45
     private val error = 0x46
+    private val permissionCode = 0x47
     private var manager: DownloadManager? = null
     private lateinit var apk: File
     private lateinit var progressBar: NumberProgressBar
@@ -144,18 +149,51 @@ class UpdateDialogActivity : AppCompatActivity(), View.OnClickListener {
                     ApkUtil.installApk(this, Constant.AUTHORITIES!!, apk)
                     return
                 }
-                if (manager?.forcedUpgrade == true) {
-                    btnUpdate.isEnabled = false
-                    btnUpdate.text = resources.getString(R.string.app_update_background_downloading)
-                } else {
-                    finish()
+                if (!checkPermission()) {
+                    startUpdate()
                 }
-                manager?.onButtonClickListener?.onButtonClick(OnButtonClickListener.UPDATE)
-                startService(Intent(this, DownloadService::class.java))
             }
         }
     }
 
+    /**
+     * check Notification runtime permission [DownloadManager.showNotification] is true && when api>=33.
+     * @return false: can continue to download, true: request permission.
+     */
+    private fun checkPermission(): Boolean {
+        if (manager?.showNotification == false) {
+            LogUtil.d(TAG, "checkPermission: manager.showNotification = false")
+            return false
+        }
+        if (ActivityCompat.checkSelfPermission(
+                this,
+                Manifest.permission.POST_NOTIFICATIONS
+            ) == PackageManager.PERMISSION_GRANTED
+        ) {
+            LogUtil.d(TAG, "checkPermission: has permission")
+            return false
+        }
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            LogUtil.d(TAG, "checkPermission: request permission")
+            ActivityCompat.requestPermissions(
+                this, arrayOf(Manifest.permission.POST_NOTIFICATIONS), permissionCode
+            )
+            return true
+        }
+        return false
+    }
+
+    private fun startUpdate() {
+        if (manager?.forcedUpgrade == true) {
+            btnUpdate.isEnabled = false
+            btnUpdate.text = resources.getString(R.string.app_update_background_downloading)
+        } else {
+            finish()
+        }
+        manager?.onButtonClickListener?.onButtonClick(OnButtonClickListener.UPDATE)
+        startService(Intent(this, DownloadService::class.java))
+    }
+
     override fun onBackPressed() {
         if (manager?.forcedUpgrade == true) return
         super.onBackPressed()
@@ -196,6 +234,15 @@ class UpdateDialogActivity : AppCompatActivity(), View.OnClickListener {
         }
     }
 
+    override fun onRequestPermissionsResult(
+        requestCode: Int, permissions: Array<out String>, grantResults: IntArray
+    ) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        if (permissionCode == requestCode) {
+            startUpdate()
+        }
+    }
+
     override fun onDestroy() {
         super.onDestroy()
         manager?.onDownloadListeners?.remove(listenerAdapter)