chore: improve image sharing handling and toast messages in MainActivity

Author: qianxuu

app/src/main/java/com/qianxu/image/shareimagetoclipboard/MainActivity.kt

@@ -3,35 +3,45 @@ package com.qianxu.image.shareimagetoclipboard
 import android.app.Activity
 import android.content.ClipData
 import android.content.ClipboardManager
-import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
 import android.widget.Toast
 
 class MainActivity : Activity() {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        // 如果接收到的是图片分享，就复制到剪贴板
-        if (intent?.action == Intent.ACTION_SEND && intent.type?.startsWith("image/") == true) {
-            val imageUri: Uri? = intent.getParcelableExtra(Intent.EXTRA_STREAM, Uri::class.java)
-            if (imageUri != null) {
-                copyImageToClipboard(imageUri)
-            } else {
-                Toast.makeText(this, R.string.toast_image_error, Toast.LENGTH_SHORT).show()
-            }
-        } else {
-            Toast.makeText(this, R.string.toast_share_image, Toast.LENGTH_SHORT).show()
-        }
-
-        finish()
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+
+    if (!isImageShareIntent(intent)) {
+      showToast(R.string.toast_need_image)
+      finish()
+      return
     }
 
-    private fun copyImageToClipboard(imageUri: Uri) {
-        val clipboardManager = getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
-        clipboardManager.setPrimaryClip(ClipData.newUri(contentResolver, "Image", imageUri))
+    val imageUri: Uri? =
+      if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.TIRAMISU) {
+        intent.getParcelableExtra(Intent.EXTRA_STREAM, Uri::class.java)
+      } else {
+        @Suppress("DEPRECATION") intent.getParcelableExtra(Intent.EXTRA_STREAM)
+      }
 
-        Toast.makeText(this, R.string.toast_copy_success, Toast.LENGTH_SHORT).show()
-    }
-}
+    imageUri?.let { copyImageToClipboard(it) } ?: showToast(R.string.toast_image_error)
+
+    finish()
+  }
+
+  private fun copyImageToClipboard(imageUri: Uri) {
+    val clipboardManager = getSystemService(CLIPBOARD_SERVICE) as ClipboardManager
+    clipboardManager.setPrimaryClip(ClipData.newUri(contentResolver, "Image", imageUri))
+
+    showToast(R.string.toast_copy_success)
+  }
+
+  private fun showToast(message: Int) {
+    Toast.makeText(this, message, Toast.LENGTH_SHORT).show()
+  }
+
+  private fun isImageShareIntent(intent: Intent?): Boolean {
+    return intent?.action == Intent.ACTION_SEND && intent.type?.startsWith("image/") == true
+  }
+}