From 3005ea8b8e4c96edb6edc3179664414ba93cd89f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=8B=A5=E9=81=97?= <ruoyi.sjd@alibaba-inc.com>
Date: Sat, 10 May 2025 16:17:01 +0800
Subject: [PATCH] fix crash when the model of the  history item is deleted

---
 .../java/com/alibaba/mnnllm/android/MainActivity.kt   | 11 ++++++++++-
 .../MnnLlmChat/app/src/main/res/values-zh/strings.xml |  1 +
 .../MnnLlmChat/app/src/main/res/values/strings.xml    |  1 +
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/apps/Android/MnnLlmChat/app/src/main/java/com/alibaba/mnnllm/android/MainActivity.kt b/apps/Android/MnnLlmChat/app/src/main/java/com/alibaba/mnnllm/android/MainActivity.kt
index bafb9d25..a8b87f68 100644
--- a/apps/Android/MnnLlmChat/app/src/main/java/com/alibaba/mnnllm/android/MainActivity.kt
+++ b/apps/Android/MnnLlmChat/app/src/main/java/com/alibaba/mnnllm/android/MainActivity.kt
@@ -104,7 +104,16 @@ class MainActivity : AppCompatActivity() {
         progressDialog!!.show()
         if (destPath == null) {
             destPath =
-                ModelDownloadManager.getInstance(this).getDownloadedFile(modelId!!)!!.absolutePath
+                ModelDownloadManager.getInstance(this).getDownloadedFile(modelId!!)?.absolutePath
+            if (destPath == null) {
+                Toast.makeText(
+                    this,
+                    getString(R.string.model_not_found, modelId),
+                    Toast.LENGTH_LONG
+                ).show()
+                progressDialog?.dismiss()
+                return
+            }
         }
         val isDiffusion = ModelUtils.isDiffusionModel(modelId!!)
         var configFilePath: String? = null
diff --git a/apps/Android/MnnLlmChat/app/src/main/res/values-zh/strings.xml b/apps/Android/MnnLlmChat/app/src/main/res/values-zh/strings.xml
index 7b2d2f7a..9e5be7af 100644
--- a/apps/Android/MnnLlmChat/app/src/main/res/values-zh/strings.xml
+++ b/apps/Android/MnnLlmChat/app/src/main/res/values-zh/strings.xml
@@ -97,4 +97,5 @@
     <string name="regenerate">重新生成</string>
     <string name="copy_audio_info">Copy Audio Info</string>
     <string name="report_crash">Report Crash</string>
+    <string name="model_not_found">Model not foud %1$s</string>
 </resources>
diff --git a/apps/Android/MnnLlmChat/app/src/main/res/values/strings.xml b/apps/Android/MnnLlmChat/app/src/main/res/values/strings.xml
index 47c41608..756fd956 100644
--- a/apps/Android/MnnLlmChat/app/src/main/res/values/strings.xml
+++ b/apps/Android/MnnLlmChat/app/src/main/res/values/strings.xml
@@ -97,4 +97,5 @@
     <string name="regenerate">Regenerate</string>
     <string name="copy_audio_info">Copy Audio Info</string>
     <string name="report_crash">Report Crash</string>
+    <string name="model_not_found">Model not foud %1$s</string>
 </resources>