zw/keyboard
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

处理键盘崩溃

Browse Source
This commit is contained in:
CodeST
2026-02-10 13:22:19 +08:00
parent 4c57f16058
commit 3c71797b7b
5 changed files with 459 additions and 99 deletions
Download Patch File Download Diff File Expand all files Collapse all files

399
CustomKeyboard/KeyboardViewController.m
View File

@@ -30,6 +30,9 @@
#import "UIImage+KBColor.h"
#import <AVFoundation/AVFoundation.h>
#import <SDWebImage/SDWebImage.h>
#if DEBUG
#import <mach/mach.h>
#endif
// #import "KBLog.h"
@@ -94,6 +97,8 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
@property(nonatomic, assign) CGFloat kb_lastKeyboardHeight;
@property(nonatomic, strong) UIImage *kb_cachedGradientImage;
@property(nonatomic, assign) CGSize kb_cachedGradientSize;
@property(nonatomic, strong, nullable) CAGradientLayer *kb_defaultGradientLayer;
@property(nonatomic, copy, nullable) NSString *kb_lastAppliedThemeKey;
@property(nonatomic, strong) NSMutableArray<KBChatMessage *> *chatMessages;
@property(nonatomic, strong) AVAudioPlayer *chatAudioPlayer;
@property(nonatomic, assign) BOOL chatPanelVisible;
@@ -101,14 +106,45 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
@property(nonatomic, strong, nullable) id kb_skinObserverToken;
@end
#if DEBUG
static NSInteger sKBKeyboardVCAliveCount = 0;
static uint64_t KBPhysFootprintBytes(void) {
task_vm_info_data_t vmInfo;
mach_msg_type_number_t count = TASK_VM_INFO_COUNT;
kern_return_t kr = task_info(mach_task_self(), TASK_VM_INFO,
(task_info_t)&vmInfo, &count);
if (kr != KERN_SUCCESS) {
return 0;
}
return (uint64_t)vmInfo.phys_footprint;
}
static NSString *KBFormatMB(uint64_t bytes) {
double mb = (double)bytes / 1024.0 / 1024.0;
return [NSString stringWithFormat:@"%.1fMB", mb];
}
#endif
@implementation KeyboardViewController
{
BOOL _kb_didTriggerLoginDeepLinkOnce;
#if DEBUG
BOOL _kb_debugDidCountAlive;
#endif
}
- (void)viewDidLoad {
[super viewDidLoad];
#if DEBUG
if (!_kb_debugDidCountAlive) {
_kb_debugDidCountAlive = YES;
sKBKeyboardVCAliveCount += 1;
}
NSLog(@"[Keyboard] KeyboardViewController viewDidLoad alive=%ld self=%p mem=%@",
(long)sKBKeyboardVCAliveCount, self, KBFormatMB(KBPhysFootprintBytes()));
#endif
// 撤销删除是“上一段删除操作”的临时状态；键盘被系统回收/重建或跨页面回来时应当清空，避免误显示。
[[KBBackspaceUndoManager shared] registerNonClearAction];
[self setupUI];
@@ -149,12 +185,30 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
[self kb_applyDefaultSkinIfNeeded];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// 扩展进程内存上限较小：在系统发出内存警告时主动清理可重建的缓存，降低被系统杀死概率。
self.kb_cachedGradientImage = nil;
[self.kb_defaultGradientLayer removeFromSuperlayer];
self.kb_defaultGradientLayer = nil;
[[KBSkinManager shared] clearRuntimeImageCaches];
[[SDImageCache sharedImageCache] clearMemory];
}
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
// 进入/重新进入输入界面时，清理上一次会话残留的撤销状态与缓存，避免显示“撤销删除”但实际上已不可撤销。
[[KBBackspaceUndoManager shared] registerNonClearAction];
[[KBInputBufferManager shared] resetWithText:@""];
[[KBLocalizationManager shared] reloadFromSharedStorageIfNeeded];
// 键盘再次出现时，恢复 HUD 容器与主题（viewDidDisappear 里可能已清理图片/缓存）。
[KBHUD setContainerView:self.view];
[self kb_ensureKeyBoardMainViewIfNeeded];
[self kb_applyTheme];
#if DEBUG
NSLog(@"[Keyboard] viewWillAppear self=%p mem=%@",
self, KBFormatMB(KBPhysFootprintBytes()));
#endif
// 注意：微信/QQ 等宿主的 documentContext 可能是“截断窗口”，这里只更新
// liveText，不要把它当作全文 manualSnapshot。
[[KBInputBufferManager shared]
@@ -167,6 +221,17 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
[[KBBackspaceUndoManager shared] registerNonClearAction];
[self kb_releaseMemoryWhenKeyboardHidden];
#if DEBUG
NSLog(@"[Keyboard] viewWillDisappear self=%p mem=%@",
self, KBFormatMB(KBPhysFootprintBytes()));
#endif
}
- (void)viewDidDisappear:(BOOL)animated {
[super viewDidDisappear:animated];
// 再兜底一次，防止某些宿主只触发 willDisappear 而未触发 didDisappear。
[self kb_releaseMemoryWhenKeyboardHidden];
}
- (void)traitCollectionDidChange:(UITraitCollection *)previousTraitCollection {
@@ -196,9 +261,7 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
CGFloat portraitWidth = [self kb_portraitWidth];
CGFloat keyboardHeight = [self kb_keyboardHeightForWidth:portraitWidth];
CGFloat keyboardBaseHeight = [self kb_keyboardBaseHeightForWidth:portraitWidth];
CGFloat chatPanelHeight = [self kb_chatPanelHeightForWidth:portraitWidth];
CGFloat screenWidth = CGRectGetWidth([UIScreen mainScreen].bounds);
CGFloat outerVerticalInset = KBFit(4.0f);
NSLayoutConstraint *h =
[self.view.heightAnchor constraintEqualToConstant:keyboardHeight];
@@ -231,12 +294,6 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
[self.bgImageView mas_makeConstraints:^(MASConstraintMaker *make) {
make.edges.equalTo(self.contentView);
}];
// 预置功能面板（默认隐藏），与键盘区域共享相同布局
self.functionView.hidden = YES;
[self.contentView addSubview:self.functionView];
[self.functionView mas_makeConstraints:^(MASConstraintMaker *make) {
make.edges.equalTo(self.contentView);
}];
[self.contentView addSubview:self.keyBoardMainView];
[self.keyBoardMainView mas_makeConstraints:^(MASConstraintMaker *make) {
@@ -246,15 +303,6 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
make.height.mas_equalTo(keyboardBaseHeight);
}];
[self.contentView addSubview:self.chatPanelView];
[self.chatPanelView mas_makeConstraints:^(MASConstraintMaker *make) {
make.left.right.equalTo(self.contentView);
make.bottom.equalTo(self.keyBoardMainView.mas_top);
self.chatPanelHeightConstraint =
make.height.mas_equalTo(chatPanelHeight);
}];
self.chatPanelView.hidden = YES;
// 初始隐藏，避免布局完成前闪烁
self.contentView.hidden = YES;
}
@@ -396,8 +444,14 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
// 简单显隐切换，复用相同的布局区域
if (show) {
[self showChatPanel:NO];
[self kb_ensureFunctionViewIfNeeded];
}
if (_functionView) {
_functionView.hidden = !show;
} else if (show) {
// ensure 后按理已存在；这里兜底一次，避免异常情况下状态不一致
self.functionView.hidden = NO;
}
self.functionView.hidden = !show;
self.keyBoardMainView.hidden = show;
if (show) {
@@ -417,7 +471,9 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
// 可选：把当前显示的视图置顶，避免层级遮挡
if (show) {
[self.contentView bringSubviewToFront:self.functionView];
if (_functionView) {
[self.contentView bringSubviewToFront:_functionView];
}
} else {
[self.contentView bringSubviewToFront:self.keyBoardMainView];
}
@@ -492,10 +548,13 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
}
self.chatPanelVisible = show;
if (show) {
[self kb_ensureChatPanelViewIfNeeded];
self.chatPanelView.hidden = NO;
self.chatPanelView.alpha = 0.0;
[self.contentView bringSubviewToFront:self.chatPanelView];
self.functionView.hidden = YES;
if (_functionView) {
_functionView.hidden = YES;
}
[self hideSubscriptionPanel];
[self showSettingView:NO];
[UIView animateWithDuration:0.2
@@ -506,6 +565,11 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
}
completion:nil];
} else {
// 从未创建过聊天面板时，直接返回，避免 show/hide 触发额外内存分配
if (!_chatPanelView) {
[self kb_updateKeyboardLayoutIfNeeded];
return;
}
[UIView animateWithDuration:0.18
delay:0
options:UIViewAnimationOptionCurveEaseIn
@@ -519,6 +583,114 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
[self kb_updateKeyboardLayoutIfNeeded];
}
// 延迟创建：仅在用户真正打开功能面板时才创建/布局，降低默认内存占用。
- (void)kb_ensureFunctionViewIfNeeded {
if (_functionView && _functionView.superview) {
return;
}
KBFunctionView *v = self.functionView;
if (!v.superview) {
v.hidden = YES;
[self.contentView addSubview:v];
[v mas_makeConstraints:^(MASConstraintMaker *make) {
make.edges.equalTo(self.contentView);
}];
}
}
// 延迟创建：仅在用户打开聊天面板时才创建/布局。
- (void)kb_ensureChatPanelViewIfNeeded {
if (_chatPanelView && _chatPanelView.superview) {
return;
}
CGFloat portraitWidth = [self kb_portraitWidth];
CGFloat chatPanelHeight = [self kb_chatPanelHeightForWidth:portraitWidth];
KBChatPanelView *v = self.chatPanelView;
if (!v.superview) {
[self.contentView addSubview:v];
[v mas_makeConstraints:^(MASConstraintMaker *make) {
make.left.right.equalTo(self.contentView);
make.bottom.equalTo(self.keyBoardMainView.mas_top);
self.chatPanelHeightConstraint =
make.height.mas_equalTo(chatPanelHeight);
}];
v.hidden = YES;
}
}
// 延迟创建：键盘主面板（按键区）在隐藏时会被释放；再次显示时需要重建。
- (void)kb_ensureKeyBoardMainViewIfNeeded {
if (_keyBoardMainView && _keyBoardMainView.superview) {
return;
}
CGFloat portraitWidth = [self kb_portraitWidth];
CGFloat keyboardBaseHeight =
[self kb_keyboardBaseHeightForWidth:portraitWidth];
KBKeyBoardMainView *v = self.keyBoardMainView;
if (!v.superview) {
[self.contentView addSubview:v];
[v mas_makeConstraints:^(MASConstraintMaker *make) {
make.left.right.equalTo(self.contentView);
make.bottom.equalTo(self.contentView);
self.keyBoardMainHeightConstraint =
make.height.mas_equalTo(keyboardBaseHeight);
}];
}
[self.contentView bringSubviewToFront:v];
}
// 键盘隐藏时释放可重建资源（背景图/缓存/非必需面板），降低扩展内存峰值。
- (void)kb_releaseMemoryWhenKeyboardHidden {
[KBHUD setContainerView:nil];
self.bgImageView.image = nil;
self.kb_cachedGradientImage = nil;
[self.kb_defaultGradientLayer removeFromSuperlayer];
self.kb_defaultGradientLayer = nil;
[[SDImageCache sharedImageCache] clearMemory];
// 聊天相关可能持有音频数据/临时文件，键盘隐藏时直接清空，避免累计占用。
if (self.chatAudioPlayer) {
[self.chatAudioPlayer stop];
self.chatAudioPlayer = nil;
}
if (_chatMessages.count > 0) {
NSString *tmpRoot = NSTemporaryDirectory();
for (KBChatMessage *msg in _chatMessages.copy) {
if (tmpRoot.length > 0 && msg.audioFilePath.length > 0 &&
[msg.audioFilePath hasPrefix:tmpRoot]) {
[[NSFileManager defaultManager] removeItemAtPath:msg.audioFilePath
error:nil];
}
}
[_chatMessages removeAllObjects];
}
if (_keyBoardMainView) {
[_keyBoardMainView removeFromSuperview];
_keyBoardMainView = nil;
}
self.keyBoardMainHeightConstraint = nil;
if (_functionView) {
[_functionView removeFromSuperview];
_functionView = nil;
}
if (_chatPanelView) {
[_chatPanelView removeFromSuperview];
_chatPanelView = nil;
}
self.chatPanelVisible = NO;
if (_subscriptionView) {
[_subscriptionView removeFromSuperview];
_subscriptionView = nil;
}
if (_settingView) {
[_settingView removeFromSuperview];
_settingView = nil;
}
}
- (void)showSubscriptionPanel {
// 1) 先判断权限：未开启“完全访问”则走引导逻辑
if (![[KBFullAccessManager shared] hasFullAccess]) {
@@ -831,7 +1003,7 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
- (void)chatPanelViewDidTapClose:(KBChatPanelView *)view {
// 清空 chatPanelView 内部的消息
[self.chatPanelView kb_reloadWithMessages:@[]];
[view kb_reloadWithMessages:@[]];
if (self.chatAudioPlayer.isPlaying) {
[self.chatAudioPlayer stop];
}
@@ -1553,7 +1725,11 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
(__bridge const void *)(self),
(__bridge CFStringRef)KBDarwinSkinInstallRequestNotification, NULL);
#if DEBUG
NSLog(@"[Keyboard] KeyboardViewController dealloc");
if (_kb_debugDidCountAlive) {
sKBKeyboardVCAliveCount -= 1;
}
NSLog(@"[Keyboard] KeyboardViewController dealloc alive=%ld self=%p mem=%@",
(long)sKBKeyboardVCAliveCount, self, KBFormatMB(KBPhysFootprintBytes()));
#endif
}
@@ -1578,6 +1754,9 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
if (self.contentView.hidden) {
self.contentView.hidden = NO;
}
if (self.kb_defaultGradientLayer) {
self.kb_defaultGradientLayer.frame = self.bgImageView.bounds;
}
}
- (void)viewWillTransitionToSize:(CGSize)size
@@ -1611,93 +1790,133 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
#pragma mark - Theme
- (void)kb_applyTheme {
KBSkinTheme *t = [KBSkinManager shared].current;
UIImage *img = [[KBSkinManager shared] currentBackgroundImage];
BOOL isDefaultTheme = [self kb_isDefaultKeyboardTheme:t];
BOOL isDarkMode = [self kb_isDarkModeActive];
CGSize size = self.bgImageView.bounds.size;
if (isDefaultTheme) {
if (isDarkMode) {
@autoreleasepool {
KBSkinTheme *t = [KBSkinManager shared].current;
UIImage *img = nil;
BOOL isDefaultTheme = [self kb_isDefaultKeyboardTheme:t];
BOOL isDarkMode = [self kb_isDarkModeActive];
NSString *skinId = t.skinId ?: @"";
NSString *themeKey =
[NSString stringWithFormat:@"%@|default=%d|dark=%d",
skinId, isDefaultTheme, isDarkMode];
BOOL themeChanged =
(self.kb_lastAppliedThemeKey.length == 0 ||
![self.kb_lastAppliedThemeKey isEqualToString:themeKey]);
if (themeChanged) {
self.kb_lastAppliedThemeKey = themeKey;
}
CGSize size = self.bgImageView.bounds.size;
if (isDefaultTheme) {
if (isDarkMode) {
// 暗黑模式：直接使用背景色，不使用图片渲染
// 这样可以避免图片渲染时的色彩空间转换导致颜色不一致
img = nil;
self.bgImageView.image = nil;
[self.kb_defaultGradientLayer removeFromSuperlayer];
self.kb_defaultGradientLayer = nil;
// 使用与系统键盘底部完全相同的颜色
if (@available(iOS 13.0, *)) {
// iOS 系统键盘使用的实际颜色 (RGB: 44, 44, 46 in sRGB, 或 #2C2C2E)
// 但为了完美匹配，我们使用动态颜色并直接设置为背景
UIColor *kbBgColor =
[UIColor colorWithDynamicProvider:^UIColor *_Nonnull(
UITraitCollection *_Nonnull traitCollection) {
if (traitCollection.userInterfaceStyle ==
UIUserInterfaceStyleDark) {
// 暗黑模式下系统键盘实际背景色
return [UIColor colorWithRed:43.0 / 255.0
green:43.0 / 255.0
blue:43.0 / 255.0
alpha:1.0];
} else {
return [UIColor colorWithRed:209.0 / 255.0
green:211.0 / 255.0
blue:219.0 / 255.0
alpha:1.0];
}
}];
self.contentView.backgroundColor = kbBgColor;
self.bgImageView.backgroundColor = kbBgColor;
} else {
UIColor *darkColor = [UIColor colorWithRed:43.0 / 255.0
green:43.0 / 255.0
blue:43.0 / 255.0
alpha:1.0];
self.contentView.backgroundColor = darkColor;
self.bgImageView.backgroundColor = darkColor;
}
// iOS 系统键盘使用的实际颜色 (RGB: 44, 44, 46 in sRGB, 或 #2C2C2E)
// 但为了完美匹配，我们使用动态颜色并直接设置为背景
UIColor *kbBgColor =
[UIColor colorWithDynamicProvider:^UIColor *_Nonnull(
UITraitCollection *_Nonnull traitCollection) {
if (traitCollection.userInterfaceStyle ==
UIUserInterfaceStyleDark) {
// 暗黑模式下系统键盘实际背景色
return [UIColor colorWithRed:43.0 / 255.0
green:43.0 / 255.0
blue:43.0 / 255.0
alpha:1.0];
} else {
return [UIColor colorWithRed:209.0 / 255.0
green:211.0 / 255.0
blue:219.0 / 255.0
alpha:1.0];
}
}];
self.contentView.backgroundColor = kbBgColor;
self.bgImageView.backgroundColor = kbBgColor;
} else {
UIColor *darkColor = [UIColor colorWithRed:43.0 / 255.0
green:43.0 / 255.0
blue:43.0 / 255.0
alpha:1.0];
self.contentView.backgroundColor = darkColor;
self.bgImageView.backgroundColor = darkColor;
}
} else {
// 浅色模式：使用渐变图片
if (size.width <= 0 || size.height <= 0) {
[self.view layoutIfNeeded];
size = self.bgImageView.bounds.size;
// 浅色模式：使用渐变层（避免生成大位图导致内存上涨）
if (size.width <= 0 || size.height <= 0) {
[self.view layoutIfNeeded];
size = self.bgImageView.bounds.size;
}
if (size.width <= 0 || size.height <= 0) {
size = self.view.bounds.size;
}
if (size.width <= 0 || size.height <= 0) {
size = [UIScreen mainScreen].bounds.size;
}
UIColor *topColor = [UIColor colorWithHex:0xDEDFE4];
UIColor *bottomColor = [UIColor colorWithHex:0xD1D3DB];
UIColor *resolvedTopColor = topColor;
UIColor *resolvedBottomColor = bottomColor;
if (@available(iOS 13.0, *)) {
resolvedTopColor =
[topColor resolvedColorWithTraitCollection:self.traitCollection];
resolvedBottomColor = [bottomColor
resolvedColorWithTraitCollection:self.traitCollection];
}
CAGradientLayer *layer = self.kb_defaultGradientLayer;
if (!layer) {
layer = [CAGradientLayer layer];
layer.startPoint = CGPointMake(0.5, 0.0);
layer.endPoint = CGPointMake(0.5, 1.0);
[self.bgImageView.layer insertSublayer:layer atIndex:0];
self.kb_defaultGradientLayer = layer;
}
layer.colors = @[
(id)resolvedTopColor.CGColor,
(id)resolvedBottomColor.CGColor
];
layer.frame = (CGRect){CGPointZero, size};
img = nil;
self.bgImageView.image = nil;
self.contentView.backgroundColor = [UIColor clearColor];
self.bgImageView.backgroundColor = [UIColor clearColor];
}
if (size.width <= 0 || size.height <= 0) {
size = self.view.bounds.size;
}
if (size.width <= 0 || size.height <= 0) {
size = [UIScreen mainScreen].bounds.size;
}
UIColor *topColor = [UIColor colorWithHex:0xDEDFE4];
UIColor *bottomColor = [UIColor colorWithHex:0xD1D3DB];
// img = [self kb_defaultGradientImageWithSize:size
// topColor:topColor
// bottomColor:bottomColor];
NSLog(@"===");
} else {
// 自定义皮肤：清除背景色，使用皮肤图片
self.contentView.backgroundColor = [UIColor clearColor];
self.bgImageView.backgroundColor = [UIColor clearColor];
[self.kb_defaultGradientLayer removeFromSuperlayer];
self.kb_defaultGradientLayer = nil;
img = [[KBSkinManager shared] currentBackgroundImage];
}
NSLog(@"===");
} else {
// 自定义皮肤：清除背景色，使用皮肤图片
self.contentView.backgroundColor = [UIColor clearColor];
self.bgImageView.backgroundColor = [UIColor clearColor];
}
NSLog(@"⌨️[Keyboard] apply theme id=%@ hasBg=%d", t.skinId, (img != nil));
[self kb_logSkinDiagnosticsWithTheme:t backgroundImage:img];
self.bgImageView.image = img;
NSLog(@"⌨️[Keyboard] apply theme id=%@ hasBg=%d", t.skinId, (img != nil));
[self kb_logSkinDiagnosticsWithTheme:t backgroundImage:img];
self.bgImageView.image = img;
// [self.chatPanelView kb_setBackgroundImage:img];
BOOL hasImg = (img != nil);
// 触发键区按主题重绘
if ([self.keyBoardMainView respondsToSelector:@selector(kb_applyTheme)]) {
// 触发键区按主题重绘
if (themeChanged &&
[self.keyBoardMainView respondsToSelector:@selector(kb_applyTheme)]) {
// method declared in KBKeyBoardMainView.h
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
[self.keyBoardMainView performSelector:@selector(kb_applyTheme)];
[self.keyBoardMainView performSelector:@selector(kb_applyTheme)];
#pragma clang diagnostic pop
}
if ([self.functionView respondsToSelector:@selector(kb_applyTheme)]) {
}
// 注意：这里不能直接访问 self.functionView，否则会导致功能面板提前创建，占用内存。
if (themeChanged && _functionView &&
[_functionView respondsToSelector:@selector(kb_applyTheme)]) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
[self.functionView performSelector:@selector(kb_applyTheme)];
[_functionView performSelector:@selector(kb_applyTheme)];
#pragma clang diagnostic pop
}
}
}