468 lines
19 KiB
Objective-C
468 lines
19 KiB
Objective-C
//
|
||
// AuViewController.m
|
||
// SpeechDemo
|
||
//
|
||
// Created by bytedance on 2023/5/16.
|
||
// Copyright © 2023 chengzihao.ds. All rights reserved.
|
||
//
|
||
|
||
#import "AuViewController.h"
|
||
|
||
#import <AVFoundation/AVFoundation.h>
|
||
|
||
#import "AppDelegate.h"
|
||
#import "FileUtils.h"
|
||
#import "SettingsHelper.h"
|
||
#import "ViewController.h"
|
||
#import "SensitiveDefines.h"
|
||
|
||
@interface AuViewController () <SpeechEngineDelegate, UITextViewDelegate>
|
||
|
||
@property (weak, nonatomic) IBOutlet UITextView *resultTextView;
|
||
@property (weak, nonatomic) IBOutlet UITextField *statusTextView;
|
||
@property (weak, nonatomic) IBOutlet UIButton *engineInitButton;
|
||
@property (weak, nonatomic) IBOutlet UIButton *engineUninitButton;
|
||
@property (weak, nonatomic) IBOutlet UIButton *startEngineButton;
|
||
@property (weak, nonatomic) IBOutlet UIButton *stopEngineButton;
|
||
@property (weak, nonatomic) IBOutlet UIButton *longPressButton;
|
||
|
||
@property (strong, nonatomic) SpeechEngine *curEngine;
|
||
@property (assign, nonatomic) BOOL engineStarted;
|
||
|
||
@property (nonatomic, strong) NSString *deviceID;
|
||
@property (nonatomic, assign) long talkingFinisheTimestamp;
|
||
@property (nonatomic, assign) long startEngineTimestamp;
|
||
@property (strong, nonatomic) NSString *debugPath;
|
||
|
||
@property (weak, nonatomic) StreamRecorder *streamRecorder;
|
||
|
||
// settings
|
||
@property (strong, nonatomic) Settings *settings;
|
||
|
||
@end
|
||
|
||
static NSString *SLARDAR_AU_SERVICE_NAME = @"au_statistics";
|
||
static NSString *SLARDAR_AU_EVENT_RESPONSE_DELAY = @"au_response_delay";
|
||
|
||
@implementation AuViewController
|
||
|
||
- (void)viewDidLoad {
|
||
[super viewDidLoad];
|
||
self.settings = [[SettingsHelper shareInstance]getSettings:VIEW_AU];
|
||
self.debugPath = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).firstObject;
|
||
NSLog(@"当前调试路径 %@", self.debugPath);
|
||
|
||
self.engineInitButton.enabled = TRUE;
|
||
self.engineUninitButton.enabled = FALSE;
|
||
self.startEngineButton.enabled = FALSE;
|
||
self.stopEngineButton.enabled = FALSE;
|
||
self.longPressButton.enabled = FALSE;
|
||
[self.statusTextView setText:@"Waiting for init."];
|
||
[self decorateTextView:self.resultTextView];
|
||
[ViewController setAppDelegate:(AppDelegate *)[[UIApplication sharedApplication] delegate]];
|
||
UILongPressGestureRecognizer *longPgr = [[UILongPressGestureRecognizer alloc] initWithTarget:self
|
||
action:@selector(longPressTriggered:)];
|
||
longPgr.minimumPressDuration = 0.5;
|
||
[self.longPressButton addGestureRecognizer:longPgr];
|
||
self.streamRecorder = [ViewController getStreamRecorder];
|
||
self.engineStarted = FALSE;
|
||
}
|
||
|
||
- (void)viewDidDisappear:(BOOL)animated {
|
||
[self uninitEngine];
|
||
[super viewDidDisappear:animated];
|
||
}
|
||
|
||
- (void)decorateTextView:(UITextView *)textView {
|
||
textView.layer.cornerRadius = 5.0f;
|
||
textView.layer.borderWidth = .25f;
|
||
textView.layer.borderColor = [UIColor grayColor].CGColor;
|
||
}
|
||
|
||
- (void)configInitAuParams {
|
||
//【必需配置】Engine Name
|
||
[self.curEngine setStringParam:SE_AU_ENGINE forKey:SE_PARAMS_KEY_ENGINE_NAME_STRING];
|
||
|
||
//【可选配置】Debug & Log
|
||
[self.curEngine setStringParam:self.debugPath forKey:SE_PARAMS_KEY_DEBUG_PATH_STRING];
|
||
[self.curEngine setStringParam:SE_LOG_LEVEL_DEBUG forKey:SE_PARAMS_KEY_LOG_LEVEL_STRING];
|
||
//【可选配置】UID & deviceID: 用于定位线上问题
|
||
[self.curEngine setStringParam:SDEF_UID forKey:SE_PARAMS_KEY_UID_STRING];
|
||
//【必需配置】配置音频来源
|
||
[self.curEngine setStringParam:[self getRecorderType] forKey:SE_PARAMS_KEY_RECORDER_TYPE_STRING];
|
||
if ([self.settings getBool:SETTING_AU_RECORDER_SAVE]) {
|
||
//【可选配置】录音文件保存路径，如配置，SDK会将录音保存到该路径下，文件格式为 .wav
|
||
[self.curEngine setStringParam:self.debugPath forKey:SE_PARAMS_KEY_AU_REC_PATH_STRING];
|
||
}
|
||
//【必需配置】鉴权相关：Appid
|
||
[self.curEngine setStringParam:[self.settings getString:SETTING_APPID] forKey:SE_PARAMS_KEY_APP_ID_STRING];
|
||
//【必需配置】鉴权相关：Token
|
||
[self.curEngine setStringParam:[self.settings getString:SETTING_TOKEN] forKey:SE_PARAMS_KEY_APP_TOKEN_STRING];
|
||
//【可选配置】使用的AU能力组合，默认只进行ASR识别
|
||
[self.curEngine setIntParam:[self getAuAbility] forKey:SE_PARAMS_KEY_AU_ABILITY_INT];
|
||
//【必需配置】识别服务域名
|
||
[self.curEngine setStringParam:[self.settings getString:SETTING_ADDRESS] forKey:SE_PARAMS_KEY_AU_ADDRESS_STRING];
|
||
//【必需配置】识别服务Uri
|
||
[self.curEngine setStringParam:[self.settings getString:SETTING_URI] forKey:SE_PARAMS_KEY_AU_URI_STRING];
|
||
//【必需配置】识别服务所用集群
|
||
[self.curEngine setStringParam:[self.settings getString:SETTING_CLUSTER] forKey:SE_PARAMS_KEY_AU_CLUSTER_STRING];
|
||
//【可选配置】在线请求的建连与接收超时，一般不需配置使用默认值即可
|
||
[self.curEngine setIntParam:3000 forKey:SE_PARAMS_KEY_AU_CONN_TIMEOUT_INT];
|
||
[self.curEngine setIntParam:5000 forKey:SE_PARAMS_KEY_AU_RECV_TIMEOUT_INT];
|
||
//【可选配置】AU处理超时，音乐流程需要额外处理时间，一般不需配置使用默认值即可
|
||
[self.curEngine setIntParam:[self.settings getInt:SETTING_AU_PROCESS_TIMEOUT] forKey:SE_PARAMS_KEY_AU_PROCESS_TIMEOUT_INT];
|
||
//【可选配置】AU音频包发送间隔，一般不需配置使用默认值即可
|
||
[self.curEngine setIntParam:[self.settings getInt:SETTING_AU_AUDIO_PACKET_DURATION] forKey:SE_PARAMS_KEY_AU_AUDIO_PACKET_DURATION_INT];
|
||
//【可选配置】AU轮询包发送间隔，一般不需配置使用默认值即可
|
||
[self.curEngine setIntParam:[self.settings getInt:SETTING_AU_EMPTY_PACKET_INTERVAL] forKey:SE_PARAMS_KEY_AU_EMPTY_PACKET_INTERVAL_INT];
|
||
|
||
// 当音频来源为 RECORDER_TYPE_STREAM 时，如输入音频采样率不等于 16K，需添加如下配置
|
||
if ([[self getRecorderType] isEqualToString:SE_RECORDER_TYPE_STREAM]) {
|
||
if ([self.streamRecorder getSampleRate] != 16000 || [self.streamRecorder getChannel] != 1) {
|
||
// 当音频来源为 RECORDER_TYPE_STREAM 时【必需配置】，否则【无需配置】
|
||
// 启用 SDK 内部的重采样
|
||
[self.curEngine setBoolParam:TRUE forKey:SE_PARAMS_KEY_ENABLE_RESAMPLER_BOOL];
|
||
// 将重采样所需的输入采样率设置为 APP 层输入的音频的实际采样率
|
||
[self.curEngine setIntParam:[self.streamRecorder getSampleRate] forKey:SE_PARAMS_KEY_CUSTOM_SAMPLE_RATE_INT];
|
||
[self.curEngine setIntParam:[self.streamRecorder getChannel] forKey:SE_PARAMS_KEY_CUSTOM_CHANNEL_INT];
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)configStartAuParams {
|
||
// Au 部分配置
|
||
//【可选配置】用户说话最大时长，单位毫秒，默认为 150000ms.
|
||
[self.curEngine setIntParam:[self.settings getInt:SETTING_VAD_MAX_SPEECH_DURATION] forKey:SE_PARAMS_KEY_VAD_MAX_SPEECH_DURATION_INT];
|
||
//【可选配置】用户歌唱最大时长，单位毫秒，默认为 12000ms.
|
||
[self.curEngine setIntParam:[self.settings getInt:SETTING_VAD_MAX_MUSIC_DURATION] forKey:SE_PARAMS_KEY_VAD_MAX_MUSIC_DURATION_INT];
|
||
if ([[self getRecorderType] isEqualToString:SE_RECORDER_TYPE_STREAM]) {
|
||
if (![self.streamRecorder start]) {
|
||
[self speechEngineNoPermission];
|
||
return;
|
||
}
|
||
} else if ([[self getRecorderType] isEqualToString:SE_RECORDER_TYPE_FILE]) {
|
||
// 使用音频文件识别时，需要设置文件的绝对路径
|
||
NSString* file_path = [NSString stringWithFormat:@"%@/%@", self.debugPath, @"au_rec_file.pcm"];
|
||
NSLog(@"test file path: %@", file_path);
|
||
// 使用音频文件识别时【必须配置】，否则【无需配置】
|
||
[self.curEngine setStringParam:file_path forKey:SE_PARAMS_KEY_RECORDER_FILE_STRING];
|
||
}
|
||
|
||
// Asr 部分配置
|
||
//【可选配置】是否开启顺滑(DDC)
|
||
[self.curEngine setBoolParam:[self.settings getBool:SETTING_ASR_ENABLE_DDC] forKey:SE_PARAMS_KEY_ASR_ENABLE_DDC_BOOL];
|
||
//【可选配置】是否开启文字转数字(ITN)
|
||
[self.curEngine setBoolParam:[self.settings getBool:SETTING_ASR_ENABLE_ITN] forKey:SE_PARAMS_KEY_ASR_ENABLE_ITN_BOOL];
|
||
//【可选配置】是否开启标点
|
||
[self.curEngine setBoolParam:[self.settings getBool:SETTING_ASR_ENABLE_NLU_PUNC] forKey:SE_PARAMS_KEY_ASR_SHOW_NLU_PUNC_BOOL];
|
||
//【可选配置】设置识别语种
|
||
[self.curEngine setStringParam:[self.settings getString:SETTING_ASR_LANGUAGE] forKey:SE_PARAMS_KEY_ASR_LANGUAGE_STRING];
|
||
//【可选配置】是否返回用户说话的语种
|
||
[self.curEngine setBoolParam:[self.settings getBool:SETTING_ASR_SHOW_LANGUAGE] forKey:SE_PARAMS_KEY_ASR_SHOW_LANG_BOOL];
|
||
//【可选配置】控制识别结果返回的形式，全量返回或增量返回，默认为全量
|
||
[self.curEngine setStringParam:[self.settings getOptionsValue:SETTING_ASR_RESULT_TYPE] forKey:SE_PARAMS_KEY_ASR_RESULT_TYPE_STRING];
|
||
//【可选配置】设置VAD头部静音时长，用户多久没说话视为空音频，即静音检测时长
|
||
[self.curEngine setIntParam:[self.settings getInt:SETTING_ASR_VAD_START_SILENCE_TIME] forKey:SE_PARAMS_KEY_ASR_VAD_START_SILENCE_TIME_INT];
|
||
//【可选配置】设置VAD尾部静音时长，用户说话后停顿多久视为说话结束，即自动判停时长
|
||
[self.curEngine setIntParam:[self.settings getInt:SETTING_ASR_VAD_END_SILENCE_TIME] forKey:SE_PARAMS_KEY_ASR_VAD_END_SILENCE_TIME_INT];
|
||
//【可选配置】设置VAD模式，用于定制VAD场景，默认为空
|
||
[self.curEngine setStringParam:[self.settings getString:SETTING_ASR_VAD_MODE] forKey:SE_PARAMS_KEY_ASR_VAD_MODE_STRING];
|
||
//【可选配置】更新 ASR 热词
|
||
if ([self.settings getString:SETTING_ASR_HOTWORDS].length != 0) {
|
||
[self setHotWords:[self.settings getString:SETTING_ASR_HOTWORDS]];
|
||
}
|
||
}
|
||
|
||
- (void)setHotWords:(NSString*) hotWords {
|
||
[self.curEngine sendDirective:SEDirectiveUpdateAsrHotWords data: hotWords];
|
||
}
|
||
|
||
#pragma mark - SpeechEngineDelegate
|
||
|
||
- (void)onMessageWithType:(SEMessageType)type andData:(NSData *)data {
|
||
NSLog(@"Message Type: %d.", type);
|
||
switch (type) {
|
||
case SEEngineStart:
|
||
[self speechEngineStarted];
|
||
break;
|
||
case SEEngineStop:
|
||
[self speechEngineStopped];
|
||
break;
|
||
case SEEngineError:
|
||
[self speechEngineError:data];
|
||
break;
|
||
case SEPartialResult:
|
||
[self speechEngineResult:data isFinal:FALSE];
|
||
break;
|
||
case SEFinalResult:
|
||
[self speechEngineResult:data isFinal:TRUE];
|
||
break;
|
||
case SEVolumeLevel:
|
||
NSLog(@"volume level: %s", (char*)data.bytes);
|
||
break;
|
||
case SEEngineLog:
|
||
NSLog(@"engine log: %s", (char*)data.bytes);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
#pragma mark - UI Actions
|
||
|
||
- (IBAction)initEngine:(id)sender {
|
||
[self initEngine];
|
||
}
|
||
|
||
- (IBAction)uninitEngine:(id)sender {
|
||
if (self.engineStarted) {
|
||
[self.statusTextView setText:@"Engine is busy, stop it first!"];
|
||
return;
|
||
}
|
||
[self uninitEngine];
|
||
[self.resultTextView setTextColor:UIColor.grayColor];
|
||
[self.resultTextView setText:@"点击或按住说话后，展示语音理解结果"];
|
||
}
|
||
|
||
- (IBAction)startEngine:(id)sender {
|
||
NSLog(@"配置启动参数");
|
||
[self configStartAuParams];
|
||
[self.curEngine setBoolParam:TRUE forKey:SE_PARAMS_KEY_AU_AUTO_STOP_BOOL];
|
||
|
||
SEEngineErrorCode ret = [self.curEngine sendDirective:SEDirectiveStartEngine];
|
||
if (ret == SERecCheckEnvironmentFailed) {
|
||
[self speechEngineNoPermission];
|
||
}
|
||
}
|
||
|
||
- (IBAction)stopEngine:(id)sender {
|
||
NSLog(@"Stop engine.");
|
||
[self.curEngine sendDirective:SEDirectiveStopEngine];
|
||
}
|
||
|
||
- (void)longPressTriggered:(UILongPressGestureRecognizer *)longPgr {
|
||
if (longPgr.state == UIGestureRecognizerStateBegan) {
|
||
NSLog(@"Long press begin.");
|
||
|
||
[self setResultText:@""];
|
||
NSLog(@"配置启动参数");
|
||
[self configStartAuParams];
|
||
[self.curEngine setBoolParam:FALSE forKey:SE_PARAMS_KEY_AU_AUTO_STOP_BOOL];
|
||
|
||
SEEngineErrorCode ret = [self.curEngine sendDirective:SEDirectiveStartEngine];
|
||
if (ret == SERecCheckEnvironmentFailed) {
|
||
[self speechEngineNoPermission];
|
||
}
|
||
} else if (longPgr.state == UIGestureRecognizerStateEnded) {
|
||
NSLog(@"Long press ended.");
|
||
self.talkingFinisheTimestamp = [[NSDate date] timeIntervalSince1970] * 1000;
|
||
[self.curEngine sendDirective:SEDirectiveFinishTalking];
|
||
if ([[self getRecorderType] isEqualToString:SE_RECORDER_TYPE_STREAM]) {
|
||
[self.streamRecorder stop];
|
||
}
|
||
}
|
||
}
|
||
|
||
#pragma mark - Init Methods
|
||
|
||
- (void)initEngine {
|
||
AppDelegate *appDelegate = [ViewController getAppDelegate];
|
||
if (appDelegate == nil) {
|
||
appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
|
||
}
|
||
if (appDelegate.deviceID.length < 1) {
|
||
self.engineInitButton.enabled = FALSE;
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
[self.statusTextView setText:@"Waiting for get deviceID."];
|
||
sleep(1);
|
||
[self initEngine];
|
||
});
|
||
return;
|
||
}
|
||
[ViewController setAppDelegate:appDelegate];
|
||
self.deviceID = appDelegate.deviceID;
|
||
|
||
|
||
if (self.curEngine == nil) {
|
||
self.curEngine = [[SpeechEngine alloc] init];
|
||
}
|
||
if (![self.curEngine createEngineWithDelegate:self]) {
|
||
NSLog(@"Create speech engine failed.");
|
||
return;
|
||
}
|
||
|
||
[self.resultTextView setTextColor:UIColor.blackColor];
|
||
|
||
NSLog(@"SDK 版本号: %@", [self.curEngine getVersion]);
|
||
self.debugPath = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).firstObject;
|
||
NSLog(@"当前调试路径: %@", self.debugPath);
|
||
|
||
NSLog(@"配置初始化参数");
|
||
[self configInitAuParams];
|
||
|
||
NSLog(@"引擎初始化");
|
||
SEEngineErrorCode ret = [self.curEngine initEngine];
|
||
if (ret != SENoError) {
|
||
NSLog(@"初始化失败，返回值: %ld", ret);
|
||
}
|
||
if (ret == SENoError) {
|
||
[self speechEngineInitOk];
|
||
} else {
|
||
[self speechEngineInitFailed];
|
||
}
|
||
}
|
||
|
||
- (NSString *)getRecorderType {
|
||
SettingOptions* recorderTypeOptions = [self.settings getOptions:SETTING_RECORD_TYPE];
|
||
switch (recorderTypeOptions.chooseIdx) {
|
||
case 0:
|
||
return SE_RECORDER_TYPE_RECORDER;
|
||
case 1:
|
||
return SE_RECORDER_TYPE_FILE;
|
||
case 2:
|
||
return SE_RECORDER_TYPE_STREAM;
|
||
default:
|
||
break;
|
||
}
|
||
return @"";
|
||
}
|
||
|
||
- (int)getAuAbility {
|
||
SettingOptions* auAbilityOptions = [self.settings getOptions:SETTING_AU_ABILITY];
|
||
switch (auAbilityOptions.chooseIdx) {
|
||
case 0:
|
||
return SEAuAbilityAsr;
|
||
case 1:
|
||
return SEAuAbilityMusic;
|
||
case 2:
|
||
return SEAuAbilityAsr | SEAuAbilityMusic;
|
||
default:
|
||
return SEAuAbilityAsr;
|
||
}
|
||
}
|
||
|
||
- (void)uninitEngine {
|
||
[self.curEngine destroyEngine];
|
||
self.curEngine = nil;
|
||
self.engineInitButton.enabled = TRUE;
|
||
self.engineUninitButton.enabled = FALSE;
|
||
self.startEngineButton.enabled = FALSE;
|
||
self.stopEngineButton.enabled = FALSE;
|
||
self.longPressButton.enabled = FALSE;
|
||
}
|
||
|
||
#pragma mark - Engine Callback
|
||
|
||
- (void)speechEngineNoPermission {
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
[self uninitEngine];
|
||
[self.statusTextView setText:@"No permission!"];
|
||
self.engineInitButton.enabled = TRUE;
|
||
self.engineUninitButton.enabled = FALSE;
|
||
});
|
||
}
|
||
|
||
- (void)speechEngineInitOk {
|
||
[self.streamRecorder setSpeechEngine:VIEW_AU engine:self.curEngine];
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
[self.statusTextView setText:@"Ready"];
|
||
[self.resultTextView setText:[NSString stringWithFormat:@"DeviceID: %@", self.deviceID]];
|
||
self.engineUninitButton.enabled = TRUE;
|
||
self.engineInitButton.enabled = FALSE;
|
||
self.startEngineButton.enabled = TRUE;
|
||
self.longPressButton.enabled = TRUE;
|
||
});
|
||
}
|
||
|
||
- (void)speechEngineInitFailed {
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
[self uninitEngine];
|
||
[self.statusTextView setText:@"Failed to init engine!"];
|
||
self.engineInitButton.enabled = TRUE;
|
||
self.engineUninitButton.enabled = FALSE;
|
||
});
|
||
}
|
||
|
||
- (void)speechEngineStarted {
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
self.startEngineTimestamp = [[NSDate date] timeIntervalSince1970] * 1000;
|
||
self.engineStarted = true;
|
||
[self.statusTextView setText:@"Engine Started!"];
|
||
self.startEngineButton.enabled = FALSE;
|
||
self.stopEngineButton.enabled = TRUE;
|
||
self.longPressButton.enabled = FALSE;
|
||
});
|
||
}
|
||
|
||
- (void)speechEngineStopped {
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
if ([[self getRecorderType] isEqualToString:SE_RECORDER_TYPE_STREAM]) {
|
||
[self.streamRecorder stop];
|
||
}
|
||
self.engineStarted = FALSE;
|
||
[self.statusTextView setText:@"Engine Stopped!"];
|
||
self.startEngineButton.enabled = TRUE;
|
||
self.stopEngineButton.enabled = FALSE;
|
||
self.longPressButton.enabled = TRUE;
|
||
});
|
||
}
|
||
|
||
- (void)speechEngineResult:(NSData *)data isFinal:(BOOL)isFinal {
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
long response_delay = 0;
|
||
if (isFinal && self.talkingFinisheTimestamp > 0) {
|
||
response_delay = [self timeDelayFrom:self.talkingFinisheTimestamp];
|
||
self.talkingFinisheTimestamp = 0;
|
||
}
|
||
|
||
NSMutableString *text = [[NSMutableString alloc] initWithString:@""];
|
||
[text appendFormat:@"result: %@", [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]];
|
||
if (isFinal) {
|
||
[text appendFormat:@"\nresponse_delay: %ld", response_delay];
|
||
}
|
||
[self.resultTextView setText:[text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]];
|
||
});
|
||
}
|
||
|
||
- (void)speechEngineError:(NSData *)data {
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
[self.resultTextView setText:[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]];
|
||
// [self stopEngine:nil];
|
||
});
|
||
}
|
||
|
||
- (void)setResultText:(NSString *)result {
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
[self.resultTextView setText:[result stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]];
|
||
});
|
||
}
|
||
|
||
#pragma mark - Helper
|
||
|
||
- (long)timeDelayFrom:(long)pastTimestamp {
|
||
return [[NSDate date] timeIntervalSince1970] * 1000 - pastTimestamp;
|
||
}
|
||
|
||
#pragma mark - UITextViewDelegate
|
||
|
||
- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
|
||
if([text isEqualToString:@"\n"]) {
|
||
[textView resignFirstResponder];
|
||
return NO;
|
||
}
|
||
return YES;
|
||
}
|
||
|
||
#pragma mark - Navigation
|
||
|
||
// In a storyboard-based application, you will often want to do a little preparation before navigation
|
||
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
|
||
// Get the new view controller using [segue destinationViewController].
|
||
// Pass the selected object to the new view controller.
|
||
id nextPage = [segue destinationViewController];
|
||
[nextPage setValue:VIEW_AU forKey:@"viewId"];
|
||
}
|
||
|
||
@end
|
||
|