Beispiel #1
0
        /// <summary>
        /// Updates the meters.
        /// </summary>
        private void UpdateMeters()
        {
            if (m_audioRecorder.Recording)
            {
                m_audioRecorder.UpdateMeters();

                var normalizedValue = Math.Pow(10, m_audioRecorder.AveragePower(0) / 20);

                mMusicFlowView.WaveColor = RecordingTintColor;
                mMusicFlowView.UpdateWithLevel((nfloat)normalizedValue);

                this.NavigationItem.Title = NSStringExtensions.TimeStringForTimeInterval(m_audioRecorder.currentTime);
            }
            else if (m_audioPlayer != null && m_audioPlayer.Playing)
            {
                m_audioPlayer.UpdateMeters();

                var normalizedValue = Math.Pow(10, m_audioPlayer.AveragePower(0) / 20);

                mMusicFlowView.WaveColor = PlayingTintColor;
                mMusicFlowView.UpdateWithLevel((nfloat)normalizedValue);
            }
            else
            {
                mMusicFlowView.WaveColor = NormalTintColor;
                mMusicFlowView.UpdateWithLevel(0);
            }
        }
Beispiel #2
0
        /// <summary>
        /// Updates the play progress.
        /// </summary>
        private void UpdatePlayProgress()
        {
            m_labelCurrentTime.Text = NSStringExtensions.TimeStringForTimeInterval(m_audioPlayer.CurrentTime);

            m_labelRemainingTime.Text = NSStringExtensions.TimeStringForTimeInterval((m_ShouldShowRemainingTime) ?  (m_audioPlayer.Duration - m_audioPlayer.CurrentTime) : m_audioPlayer.Duration);

            m_playerSlider.SetValue((float)m_audioPlayer.CurrentTime, true);
        }
Beispiel #3
0
        /// <summary>
        /// Plaies the action.
        /// </summary>
        /// <param name="item">Item.</param>
        /// <param name="args">Arguments.</param>
        private void PlayAction(object item, EventArgs args)
        {
            m_oldSessionCategory = AVAudioSession.SharedInstance().Category;
            AVAudioSession.SharedInstance().SetCategory(AVAudioSessionCategory.Playback);

            //
            m_audioPlayer = AVAudioPlayer.FromUrl(NSUrl.FromFilename(m_recordingFilePath));
            m_audioPlayer.WeakDelegate    = this;
            m_audioPlayer.MeteringEnabled = true;
            m_audioPlayer.PrepareToPlay();
            m_audioPlayer.Play();

            //UI Update
            {
                this.SetToolbarItems(new UIBarButtonItem[] { m_pauseButton, m_flexItem1, m_recordButton, m_flexItem2, m_trashButton }, true);

                this.ShowNavigationButton(false);

                m_recordButton.Enabled = false;
                m_trashButton.Enabled  = false;
            }

            //Start regular update
            {
                m_playerSlider.Value       = (float)m_audioPlayer.CurrentTime;
                m_playerSlider.MaxValue    = (float)m_audioPlayer.Duration;
                m_viewPlayerDuration.Frame = this.NavigationController.NavigationBar.Bounds;

                m_labelCurrentTime.Text   = NSStringExtensions.TimeStringForTimeInterval(m_audioPlayer.CurrentTime);
                m_labelRemainingTime.Text = NSStringExtensions.TimeStringForTimeInterval((m_ShouldShowRemainingTime) ? (m_audioPlayer.Duration - m_audioPlayer.CurrentTime): m_audioPlayer.Duration);

                m_viewPlayerDuration.SetNeedsLayout();
                m_viewPlayerDuration.LayoutIfNeeded();

                this.NavigationItem.TitleView = m_viewPlayerDuration;

                if (mplayProgressDisplayLink != null)
                {
                    mplayProgressDisplayLink.Invalidate();
                }

                mplayProgressDisplayLink = CADisplayLink.Create(UpdatePlayProgress);
                mplayProgressDisplayLink.AddToRunLoop(NSRunLoop.Current, NSRunLoopMode.Common);
            }
        }
Beispiel #4
0
        /// <summary>
        /// Views the did load.
        /// </summary>
        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            //
            m_navigationTitle = @"Audio Recorder";

            //
            this.View.TintColor            = NormalTintColor;
            mMusicFlowView.BackgroundColor = this.View.BackgroundColor;
            mMusicFlowView.IdleAmplitude   = 0;

            //Unique recording URL
            var fileName = NSProcessInfo.ProcessInfo.GloballyUniqueString;

            var documents = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
            var tmp       = Path.Combine(documents, "..", "tmp");

            m_recordingFilePath = Path.Combine(tmp, String.Format("{0}.m4a", fileName));
            {
                m_flexItem1 = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace, null, null);
                m_flexItem2 = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace, null, null);

                var img = UIImage.FromBundle("audio_record");

                m_recordButton = new UIBarButtonItem(img, UIBarButtonItemStyle.Plain, RecordingButtonAction);
                m_playButton   = new UIBarButtonItem(UIBarButtonSystemItem.Play, PlayAction);
                m_pauseButton  = new UIBarButtonItem(UIBarButtonSystemItem.Pause, PauseAction);
                m_trashButton  = new UIBarButtonItem(UIBarButtonSystemItem.Trash, DeleteAction);

                this.SetToolbarItems(new UIBarButtonItem[] { m_playButton, m_flexItem1, m_recordButton, m_flexItem2, m_trashButton }, false);

                m_playButton.Enabled  = false;
                m_trashButton.Enabled = false;
            }

            // Define the recorder setting
            {
                var audioSettings = new AudioSettings()
                {
                    Format         = AudioFormatType.MPEG4AAC,
                    SampleRate     = 44100.0f,
                    NumberChannels = 2,
                };


                NSError err = null;

                m_audioRecorder = AVAudioRecorder.Create(NSUrl.FromFilename(m_recordingFilePath), audioSettings, out err);

                // Initiate and prepare the recorder
                m_audioRecorder.WeakDelegate    = this;
                m_audioRecorder.MeteringEnabled = true;

                mMusicFlowView.PrimaryWaveLineWidth   = 3.0f;
                mMusicFlowView.SecondaryWaveLineWidth = 1.0f;
            }

            //Navigation Bar Settings
            {
                this.NavigationItem.Title             = @"Audio Recorder";
                m_cancelButton                        = new UIBarButtonItem(UIBarButtonSystemItem.Cancel, CancelAction);
                this.NavigationItem.LeftBarButtonItem = m_cancelButton;

                m_doneButton = new UIBarButtonItem(UIBarButtonSystemItem.Done, DoneAction);
            }

            //Player Duration View
            {
                m_viewPlayerDuration = new UIView();
                m_viewPlayerDuration.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
                m_viewPlayerDuration.BackgroundColor  = UIColor.Clear;

                m_labelCurrentTime           = new UILabel();
                m_labelCurrentTime.Text      = NSStringExtensions.TimeStringForTimeInterval(0);
                m_labelCurrentTime.Font      = UIFont.BoldSystemFontOfSize(14.0f);
                m_labelCurrentTime.TextColor = NormalTintColor;
                m_labelCurrentTime.TranslatesAutoresizingMaskIntoConstraints = false;

                m_playerSlider = new UISlider(new CGRect(0, 0, this.View.Bounds.Size.Width, 64));
                m_playerSlider.MinimumTrackTintColor = PlayingTintColor;
                m_playerSlider.Value = 0;

                m_playerSlider.TouchDown      += SliderStart;
                m_playerSlider.ValueChanged   += SliderMoved;
                m_playerSlider.TouchUpInside  += SliderEnd;
                m_playerSlider.TouchUpOutside += SliderEnd;
                m_playerSlider.TranslatesAutoresizingMaskIntoConstraints = false;

                m_labelRemainingTime    = new UILabel();
                m_labelCurrentTime.Text = NSStringExtensions.TimeStringForTimeInterval(0);
                m_labelRemainingTime.UserInteractionEnabled = true;
                m_labelRemainingTime.AddGestureRecognizer(new UITapGestureRecognizer(TapRecognizer));
                m_labelRemainingTime.Font      = m_labelCurrentTime.Font;
                m_labelRemainingTime.TextColor = m_labelCurrentTime.TextColor;
                m_labelRemainingTime.TranslatesAutoresizingMaskIntoConstraints = false;

                m_viewPlayerDuration.Add(m_labelCurrentTime);
                m_viewPlayerDuration.Add(m_playerSlider);
                m_viewPlayerDuration.Add(m_labelRemainingTime);

                NSLayoutConstraint constraintCurrentTimeLeading  = NSLayoutConstraint.Create(m_labelCurrentTime, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, m_viewPlayerDuration, NSLayoutAttribute.Leading, 1.0f, 10.0f);
                NSLayoutConstraint constraintCurrentTimeTrailing = NSLayoutConstraint.Create(m_playerSlider, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, m_labelCurrentTime, NSLayoutAttribute.Trailing, 1.0f, 10);

                NSLayoutConstraint constraintRemainingTimeLeading  = NSLayoutConstraint.Create(m_labelRemainingTime, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, m_playerSlider, NSLayoutAttribute.Trailing, 1.0f, 10.0f);
                NSLayoutConstraint constraintRemainingTimeTrailing = NSLayoutConstraint.Create(m_viewPlayerDuration, NSLayoutAttribute.Trailing, NSLayoutRelation.Equal, m_labelRemainingTime, NSLayoutAttribute.Trailing, 1.0f, 10.0f);

                NSLayoutConstraint constraintCurrentTimeCenter = NSLayoutConstraint.Create(m_labelCurrentTime, NSLayoutAttribute.CenterY, NSLayoutRelation.Equal, m_viewPlayerDuration, NSLayoutAttribute.CenterY, 1.0f, 0.0f);

                NSLayoutConstraint constraintSliderCenter = NSLayoutConstraint.Create(m_playerSlider, NSLayoutAttribute.CenterY, NSLayoutRelation.Equal, m_viewPlayerDuration, NSLayoutAttribute.CenterY, 1.0f, 0.0f);

                NSLayoutConstraint constraintRemainingTimeCenter = NSLayoutConstraint.Create(m_labelRemainingTime, NSLayoutAttribute.CenterY, NSLayoutRelation.Equal, m_viewPlayerDuration, NSLayoutAttribute.CenterY, 1.0f, 0.0f);

                m_viewPlayerDuration.AddConstraints(new NSLayoutConstraint[] { constraintCurrentTimeLeading, constraintCurrentTimeTrailing, constraintRemainingTimeLeading, constraintRemainingTimeTrailing, constraintCurrentTimeCenter, constraintSliderCenter, constraintRemainingTimeCenter });
            }
        }