录音动画显示当前录音时间

LLWeChat/Client/Chat/Cell/LLMessageRecordingCell.h

@@ -12,4 +12,6 @@
 
 + (instancetype)sharedRecordingCell;
 
+- (void)updateDurationLabel:(int)duration;
+
 @end

LLWeChat/Client/Chat/Cell/LLMessageRecordingCell.m

@@ -9,6 +9,7 @@
 #import "LLMessageRecordingCell.h"
 #import "UIKit+LLExt.h"
 #import "LLMessageVoiceCell.h"
+#import "LLColors.h"
 
 #define RECORD_ANIMATION_KEY @"RecordAnimate"
 
@@ -18,6 +19,8 @@ @interface LLMessageRecordingCell ()
 
 @property (nonatomic) UIImageView *downloadingImageView;
 
+@property (nonatomic) UILabel *durationLabel;
+
 @property (nonatomic) CAKeyframeAnimation *keyFrameAnimation;
 
 @end
@@ -44,6 +47,12 @@ - (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSStr
 
         [self.contentView insertSubview:self.downloadingImageView belowSubview:self.bubbleImage];
 
+        _durationLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, OFFSET_Y, 60, AVATAR_HEIGHT)];
+        _durationLabel.textColor = kLLTextColor_lightGray_7;
+        _durationLabel.font = [UIFont systemFontOfSize:16];
+        _durationLabel.textAlignment = NSTextAlignmentRight;
+        [self.contentView addSubview:_durationLabel];
+
     }
 
     return self;
@@ -67,6 +76,10 @@ - (void)prepareForUse:(BOOL)isFromMe {
 
         self.downloadingImageView.frame = self.bubbleImage.frame;
         [self.bubbleImage.layer addAnimation:self.keyFrameAnimation forKey:RECORD_ANIMATION_KEY];
+
+         frame = self.durationLabel.frame;
+         frame.origin.x = CGRectGetMinX(self.bubbleImage.frame) - CGRectGetWidth(frame) - 8 + BUBBLE_LEFT_BLANK;
+         self.durationLabel.frame = frame;
     }
 }
 
@@ -109,6 +122,10 @@ - (void)setMessageModel:(LLMessageModel *)messageModel {
 }
 
 
+- (void)updateDurationLabel:(int)duration {
+    _durationLabel.text = [NSString stringWithFormat:@"%d'", duration];
+}
+
 + (CGFloat)heightForModel:(LLMessageModel *)model {
     return AVATAR_HEIGHT + CONTENT_SUPER_BOTTOM + OFFSET_Y;
 }

LLWeChat/Client/Chat/LLChatViewController.m

@@ -1861,6 +1861,10 @@ - (void)audioRecordDidUpdateVoiceMeter:(double)averagePower {
     }
 }
 
+- (void)audioRecordDurationDidChanged:(NSTimeInterval)duration {
+    [[LLMessageRecordingCell sharedRecordingCell] updateDurationLabel:round(duration)];
+}
+
 - (LLMessageModel *)getRecordingModel {
     for (NSInteger i = self.dataSource.count - 1; i >= 0; i--) {
         if (self.dataSource[i].messageBodyType == kLLMessageBodyTypeRecording) {

LLWeChat/General/Audio/LLAudioManager.m

@@ -48,6 +48,7 @@ @interface LLAudioManager () <AVAudioRecorderDelegate, AVAudioPlayerDelegate>
 @implementation LLAudioManager {
     CFTimeInterval startTime;
     NSTimeInterval maxRecordTime;
+    NSTimer *timer;
 
     NSDate *startDate;
 //    NSDate *endDate;
@@ -234,6 +235,13 @@ - (void)startRecordingWithDelegate:(id<LLAudioRecordDelegate>)delegate
             self.isCancelRecording = NO;
             self.isRecording = YES;
             self.recorder.delegate = self;
+
+            [timer invalidate];
+            SAFE_SEND_MESSAGE(self.recordDelegate, audioRecordDurationDidChanged:) {
+                timer = [NSTimer timerWithTimeInterval:1 target:self selector:@selector(timerHandler:) userInfo:nil repeats:YES];
+                [[NSRunLoop mainRunLoop] addTimer:timer forMode:NSRunLoopCommonModes];
+            }
+
             //开启仪表计数功能,可以获取当前录音音量大小
             self.recorder.meteringEnabled = YES;
             maxRecordTime = MAX_RECORD_TIME_ALLOWED;
@@ -323,7 +331,9 @@ - (void)updateVoiceMeter {
     });
 }
 
-
+- (void)timerHandler:(NSTimer *)timer {
+    [self.recordDelegate audioRecordDurationDidChanged:self.recorder.currentTime];
+}
 
 /**
  *  停止录音

LLWeChat/General/Audio/LLAudioRecordDelegate.h

@@ -25,6 +25,9 @@
  */
 - (void)audioRecordDidUpdateVoiceMeter:(double)averagePower;
 
+//录音时长变化，以秒为单位
+- (void)audioRecordDurationDidChanged:(NSTimeInterval)duration;
+
 //录音最长时间，默认为MAX_RECORD_TIME_ALLOWED = 60秒
 - (NSTimeInterval)audioRecordMaxRecordTime;