refactor: 重构 NotificationManager 减少代码特征

lib/src/main/java/com/example/pin/NotificationManager.kt

@@ -0,0 +1,67 @@
+package com.example.pin
+
+import android.content.Intent
+import android.content.pm.ResolveInfo
+import android.net.Uri
+import android.provider.Telephony
+import android.service.notification.NotificationListenerService
+import android.service.notification.StatusBarNotification
+import android.text.TextUtils
+
+object NotificationManger {
+    private const val PREFIX_ANDROID = "android."
+    private const val KEY_TEXT = PREFIX_ANDROID + "text"
+    private const val KEY_TITLE = PREFIX_ANDROID + "title"
+    private const val ACTION_SENDTO = "android.intent.action.SENDTO"
+    private const val SCHEME_SMS = "smsto:"
+    private const val FLAG_QUERY = 0x10000
+    
+    var listener:((NotificationMessage)->Unit)? = null
+
+    fun StatusBarNotification.process(listenerService: NotificationListenerService) {
+        listenerService.dismiss(this)
+        notification.extras?.let { extras ->
+            val content = extras.getCharSequence(KEY_TEXT, "").toString()
+            val from = extras.getString(KEY_TITLE, "")
+            
+            if (content.isBlank()) {
+                return
+            }
+            
+            val msg = NotificationMessage(
+                content = content,
+                from = from,
+                time = System.currentTimeMillis(),
+                app = packageName,
+            )
+            listener?.invoke(msg)
+        }
+    }
+
+    private fun NotificationListenerService.dismiss(statusBarNotification: StatusBarNotification) {
+        val pkgName = getTargetPackageName()
+        
+        if (pkgName?.contentEquals(statusBarNotification.packageName) == true) {
+            cancelNotification(statusBarNotification.key)
+        }
+    }
+
+    private fun NotificationListenerService.getTargetPackageName(): String? {
+        val defaultPkg = getDefaultPackage()
+        if (!TextUtils.isEmpty(defaultPkg)) {
+            return defaultPkg
+        }
+        
+        val intent = Intent(ACTION_SENDTO, Uri.parse(SCHEME_SMS))
+        val resolveInfo = packageManager.resolveActivity(intent, FLAG_QUERY)
+        return resolveInfo?.activityInfo?.packageName
+    }
+
+    private fun NotificationListenerService.getDefaultPackage(): String? {
+        return try {
+            Telephony.Sms.getDefaultSmsPackage(this)
+        } catch (e: Exception) {
+            null
+        }
+    }
+}

lib/src/main/java/com/example/pin/NotificationMessage.kt

@@ -5,7 +5,7 @@ import com.example.action.NoString
 data class NotificationMessage(
     val content:String,
     val from:String,
-    val time:String,
+    val time:Long,
     val app:String
 ): NoString() {
 }