修改动画

keyBoard/Class/AiTalk/VC/KBAIHomeVC.m

@@ -110,8 +110,8 @@
 #pragma mark - 1：控件初始化
 
 - (void)setupUI {
-    self.voiceInputBarHeight = 150.0;
-    self.baseInputBarBottomSpacing = 20.0;
+    self.voiceInputBarHeight = 120.0;
+    self.baseInputBarBottomSpacing = KB_TABBAR_HEIGHT;
     [self.view addSubview:self.collectionView];
     [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
         make.edges.equalTo(self.view);
@@ -350,12 +350,30 @@
     NSTimeInterval duration = [userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue];
     UIViewAnimationOptions options = ([userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue] << 16);
     
+    // 将键盘的 frame 转换到当前 view 的坐标系
     CGRect convertedFrame = [self.view convertRect:endFrame fromView:nil];
     CGFloat keyboardHeight = MAX(0.0, CGRectGetMaxY(self.view.bounds) - CGRectGetMinY(convertedFrame));
     self.currentKeyboardHeight = keyboardHeight;
     
-    CGFloat bottomSpacing = (keyboardHeight > 0.0) ? (keyboardHeight + 8.0) : self.baseInputBarBottomSpacing;
+    NSLog(@"[KBAIHomeVC] 键盘高度: %.2f, 屏幕高度: %.2f, 键盘 Y: %.2f", 
+          keyboardHeight, CGRectGetMaxY(self.view.bounds), CGRectGetMinY(convertedFrame));
+    
+    // 问题1修复：计算 VoiceInputBar 应该距离 view.bottom 多远
+    CGFloat bottomSpacing;
+    if (keyboardHeight > 0.0) {
+        // 键盘弹起时：让 VoiceInputBar 紧贴键盘上方（距离 5px）
+        // bottomSpacing = 键盘高度 - 5px（因为是负的 offset）
+        bottomSpacing = keyboardHeight - 5.0;
+    } else {
+        // 键盘隐藏时：恢复到原始位置
+        bottomSpacing = self.baseInputBarBottomSpacing;
+    }
+    
+    NSLog(@"[KBAIHomeVC] VoiceInputBar bottomSpacing: %.2f", bottomSpacing);
+    
     [self.voiceInputBarBottomConstraint setOffset:-bottomSpacing];
+    
+    // 问题2修复：键盘弹起时更新 ChatView 的 bottomInset
     [self updateChatViewBottomInset];
     
     [UIView animateWithDuration:duration
@@ -433,13 +451,49 @@
 #pragma mark - Private
 
 - (void)updateChatViewBottomInset {
-    CGFloat bottomSpacing = (self.currentKeyboardHeight > 0.0) ? (self.currentKeyboardHeight + 8.0) : self.baseInputBarBottomSpacing;
+    // 问题2修复：键盘弹起时，增加 bottomInset 让最后一条消息显示在 VoiceInputBar 上方
+    CGFloat bottomInset;
     
-    // 关键修复：减少 bottomInset，因为 chatView 已经通过约束避开了底部的 avatar 区域
-    // 只需要留出一点空间（比如20）让最后一条消息不紧贴 chatView 底部即可
-    CGFloat bottomInset = 20; // 简单的缓冲空间
+    if (self.currentKeyboardHeight > 0.0) {
+        // 键盘弹起时：
+        // avatarImageView 距离屏幕底部的距离 = KB_TABBAR_HEIGHT + 50 + 20
+        // chatView 物理底部到屏幕底部 = KB_TABBAR_HEIGHT + 50 + 20 + 54(头像) + 10(间距) ≈ 153
+        // 但是 VoiceInputBar 和键盘会遮挡 chatView
+        // 需要的 bottomInset = 键盘高度 + VoiceInputBar 高度 - chatView 已经避开的底部区域
+        
+        CGFloat avatarBottomSpace = KB_TABBAR_HEIGHT + 50 + 20; // avatarImageView 距离底部的距离
+        CGFloat chatViewPhysicalBottomSpace = avatarBottomSpace + 54 + 10; // chatView 物理底部距离屏幕底部
+        
+        // 需要抬高的额外距离 = (键盘 + InputBar) - chatView 已经避开的空间
+        bottomInset = (self.currentKeyboardHeight + self.voiceInputBarHeight) - chatViewPhysicalBottomSpace;
+        
+        // 确保不会是负数
+        bottomInset = MAX(bottomInset, 20);
+        
+        NSLog(@"[KBAIHomeVC] 键盘弹起 - bottomInset: %.2f (键盘: %.2f + InputBar: %.2f - 已避开: %.2f)", 
+              bottomInset, self.currentKeyboardHeight, self.voiceInputBarHeight, chatViewPhysicalBottomSpace);
+    } else {
+        // 键盘隐藏时：恢复原来的 bottomInset
+        bottomInset = 20; // 简单的缓冲空间
+        NSLog(@"[KBAIHomeVC] 键盘隐藏 - bottomInset: %.2f", bottomInset);
+    }
     
-    NSLog(@"[KBAIHomeVC] 更新 ChatView bottomInset: %.2f", bottomInset);
+    for (NSIndexPath *indexPath in self.collectionView.indexPathsForVisibleItems) {
+        KBPersonaChatCell *cell = (KBPersonaChatCell *)[self.collectionView cellForItemAtIndexPath:indexPath];
+        if (cell) {
+            [cell updateChatViewBottomInset:bottomInset];
+            
+            // 键盘弹起时，自动滚动到最后一条消息
+            if (self.currentKeyboardHeight > 0.0) {
+                dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+                    [cell.chatView scrollToBottom];  // 修复：使用无参数的方法
+                });
+            }
+        }
+    }
+
+    
+    NSLog(@"[KBAIHomeVC] 更新 ChatView bottomInset: %.2f (键盘高度: %.2f)", bottomInset, self.currentKeyboardHeight);
     
     for (NSIndexPath *indexPath in self.collectionView.indexPathsForVisibleItems) {
         KBPersonaChatCell *cell = (KBPersonaChatCell *)[self.collectionView cellForItemAtIndexPath:indexPath];