增加退出对话空指针检测

diff --git a/code/sdk/application/wearable/ln/nativeapp/nativeui/thunderbird/src/ThunderBirdDialogueView.cpp b/code/sdk/application/wearable/ln/nativeapp/nativeui/thunderbird/src/ThunderBirdDialogueView.cpp
index 3986839..5e56e18 100644 (file)
--- a/code/sdk/application/wearable/ln/nativeapp/nativeui/thunderbird/src/ThunderBirdDialogueView.cpp
+++ b/code/sdk/application/wearable/ln/nativeapp/nativeui/thunderbird/src/ThunderBirdDialogueView.cpp
@@ -242,13 +242,13 @@ namespace OHOS
             // }
             
             // 检查是否从对话/哄睡退出，如果是则获取时间线表情
-            if (ThunderBirdModel::GetInstance()->m_needGetTimelineExpression) {
+            if (ThunderBirdModel::GetInstance() && ThunderBirdModel::GetInstance()->m_needGetTimelineExpression) {
                 WEARABLE_LOGE(WEARABLE_LOG_MODULE_APP, "ThunderBirdDialogueView::Show: 从对话/哄睡退出到发呆中界面，获取时间线表情");
                 // 获取时间线表情
                 do_ln_http_server_send_data(LN_HTTP_SERVICE_CMD_TIMELINE_GET_STATUS, NULL, 0);
                 // 重置标志位
                 ThunderBirdModel::GetInstance()->m_needGetTimelineExpression = false;
-            } else {
+            } else if (ThunderBirdModel::GetInstance()) {
                 // 正常进入发呆中界面，设置标志位为1
                 ThunderBirdModel::GetInstance()->m_needGetTimelineExpression = true;
             }
@@ -300,17 +300,19 @@ namespace OHOS
     {
         if(!flag)
         {
-            speakAnimator->SetVisible(true);
+            if (speakAnimator) { speakAnimator->SetVisible(true); }
             // speakAnimator->Stop();
-            RemindButton->SetVisible(true);
-            micIcon->SetVisible(true);
+            if (RemindButton) { RemindButton->SetVisible(true); }
+            if (micIcon) { micIcon->SetVisible(true); }
         }
         else
         {
-            speakAnimator->SetVisible(false);
-            speakAnimator->Stop();
-            RemindButton->SetVisible(false);
-            micIcon->SetVisible(false);
+            if (speakAnimator) {
+                speakAnimator->SetVisible(false);
+                speakAnimator->Stop();
+            }
+            if (RemindButton) { RemindButton->SetVisible(false); }
+            if (micIcon) { micIcon->SetVisible(false); }
         }
     }