diff options
author | Xavi Artigas <xartigas@fluendo.com> | 2013-05-06 16:49:03 +0200 |
---|---|---|
committer | Xavi Artigas <xartigas@fluendo.com> | 2013-05-06 16:49:03 +0200 |
commit | c27858631d29736590b51b25524ec6a2f825b37f (patch) | |
tree | 3f7b932ba5c012f37d7edbe4ec6bdda285ef0b4b | |
parent | 1e071cd73044461c8febf4433e2b7deb445873c6 (diff) |
Large revamp to bring it closer to the Android tutorial 2.
7 files changed, 214 insertions, 147 deletions
diff --git a/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackend.h b/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackend.h index 0b0d67a..bcd804c 100644 --- a/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackend.h +++ b/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackend.h @@ -3,12 +3,7 @@ @interface GStreamerBackend : NSObject -@property (nonatomic,assign) id delegate; - --(NSString*) getGStreamerVersion; - --(BOOL) initializePipeline; - +-(id) init:(id) uiDelegate; -(void) play; -(void) pause; -(void) stop; diff --git a/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackend.m b/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackend.m index 27bfaa0..0ab205e 100644 --- a/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackend.m +++ b/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackend.m @@ -3,16 +3,33 @@ #include <gst/gst.h> @interface GStreamerBackend() --(void)notifyError:(gchar*) message; --(void)notifyEos; --(void) _poll_gst_bus; +-(void)setUIMessage:(gchar*) message; +-(void)app_function; +-(void)check_initialization_complete; @end @implementation GStreamerBackend { - GstElement *pipeline; + id delegate; /* Class that we use to interact with the user interface */ + GstElement *pipeline; /* The running pipeline */ + GMainContext *context; /* GLib context used to run the main loop */ + GMainLoop *main_loop; /* GLib main loop */ + gboolean initialized; /* To avoid informing the UI multiple times about the initialization */ } -@synthesize delegate; +-(id) init:(id) uiDelegate +{ + if (self = [super init]) + { + self->delegate = uiDelegate; + + /* Start the bus monitoring task */ + dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ + [self app_function]; + }); + } + + return self; +} -(void) dealloc { @@ -23,95 +40,120 @@ } } --(void)notifyError:(gchar*) message +-(void)setUIMessage:(gchar*) message { NSString *string = [NSString stringWithUTF8String:message]; - if(delegate && [delegate respondsToSelector:@selector(gstreamerError:from:)]) + if(delegate && [delegate respondsToSelector:@selector(gstreamerSetUIMessage:)]) { - [delegate gstreamerError:string from:self]; + [delegate gstreamerSetUIMessage:string]; } } --(void)notifyEos +/* Retrieve errors from the bus and show them on the UI */ +static void error_cb (GstBus *bus, GstMessage *msg, GStreamerBackend *self) { - if(delegate && [delegate respondsToSelector:@selector(gstreamerEosFrom)]) - { - [delegate gstreamerEosFrom:self]; + GError *err; + gchar *debug_info; + gchar *message_string; + + gst_message_parse_error (msg, &err, &debug_info); + message_string = g_strdup_printf ("Error received from element %s: %s", GST_OBJECT_NAME (msg->src), err->message); + g_clear_error (&err); + g_free (debug_info); + [self setUIMessage:message_string]; + g_free (message_string); + gst_element_set_state (self->pipeline, GST_STATE_NULL); +} + +/* Notify UI about pipeline state changes */ +static void state_changed_cb (GstBus *bus, GstMessage *msg, GStreamerBackend *self) +{ + GstState old_state, new_state, pending_state; + gst_message_parse_state_changed (msg, &old_state, &new_state, &pending_state); + /* Only pay attention to messages coming from the pipeline, not its children */ + if (GST_MESSAGE_SRC (msg) == GST_OBJECT (self->pipeline)) { + gchar *message = g_strdup_printf("State changed to %s", gst_element_state_get_name(new_state)); + [self setUIMessage:message]; + g_free (message); } } --(void) _poll_gst_bus +/* Check if all conditions are met to report GStreamer as initialized. + * These conditions will change depending on the application */ +-(void) check_initialization_complete { - GstBus *bus; - GstMessage *msg; - - /* Wait until error or EOS */ - bus = gst_element_get_bus (self->pipeline); - msg = gst_bus_timed_pop_filtered(bus, GST_CLOCK_TIME_NONE, - (GstMessageType) (GST_MESSAGE_ERROR | GST_MESSAGE_EOS)); - gst_object_unref(bus); - - switch (GST_MESSAGE_TYPE(msg)) { - case GST_MESSAGE_EOS: - [self stop]; - [self notifyEos]; - NSLog(@"EOS"); - break; - case GST_MESSAGE_ERROR: { - GError *gerr = NULL; - gchar *debug; - - gst_message_parse_error(msg, &gerr, &debug); - - [self stop]; - NSLog(@"Error %s - %s", gerr->message, debug, nil); - [self notifyError:gerr->message]; - g_free(debug); - g_error_free(gerr); + if (!initialized && main_loop) { + GST_DEBUG ("Initialization complete, notifying application."); + if (delegate && [delegate respondsToSelector:@selector(gstreamerInitialized)]) + { + [delegate gstreamerInitialized]; } - break; - default: - break; + initialized = TRUE; } } --(BOOL) initializePipeline +/* Main method for the native code. This is executed on its own thread. */ +-(void) app_function { + GstBus *bus; + GSource *bus_source; GError *error = NULL; + + GST_DEBUG ("Creating pipeline"); + + /* Create our own GLib Main Context and make it the default one */ + context = g_main_context_new (); + g_main_context_push_thread_default(context); - if (pipeline) - return YES; - + /* Build pipeline */ pipeline = gst_parse_launch("audiotestsrc ! audioconvert ! audioresample ! autoaudiosink", &error); if (error) { gchar *message = g_strdup_printf("Unable to build pipeline: %s", error->message); g_clear_error (&error); - [self notifyError:message]; + [self setUIMessage:message]; g_free (message); - return NO; + return; } - /* start the bus polling. This will the bus being continuously polled */ - dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ - while (1) { - [self _poll_gst_bus]; - } - }); + /* Instruct the bus to emit signals for each received message, and connect to the interesting signals */ + bus = gst_element_get_bus (pipeline); + bus_source = gst_bus_create_watch (bus); + g_source_set_callback (bus_source, (GSourceFunc) gst_bus_async_signal_func, NULL, NULL); + g_source_attach (bus_source, context); + g_source_unref (bus_source); + g_signal_connect (G_OBJECT (bus), "message::error", (GCallback)error_cb, (__bridge void *)self); + g_signal_connect (G_OBJECT (bus), "message::state-changed", (GCallback)state_changed_cb, (__bridge void *)self); + gst_object_unref (bus); + + /* Create a GLib Main Loop and set it to run */ + GST_DEBUG ("Entering main loop..."); + main_loop = g_main_loop_new (context, FALSE); + [self check_initialization_complete]; + g_main_loop_run (main_loop); + GST_DEBUG ("Exited main loop"); + g_main_loop_unref (main_loop); + main_loop = NULL; + + /* Free resources */ + g_main_context_pop_thread_default(context); + g_main_context_unref (context); + gst_element_set_state (pipeline, GST_STATE_NULL); + gst_object_unref (pipeline); - return YES; + return; } -(void) play { if(gst_element_set_state(pipeline, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) { - [self notifyError:"Failed to set pipeline to playing"]; + [self setUIMessage:"Failed to set pipeline to playing"]; } } -(void) pause { if(gst_element_set_state(pipeline, GST_STATE_PAUSED) == GST_STATE_CHANGE_FAILURE) { - [self notifyError:"Failed to set pipeline to paused"]; + [self setUIMessage:"Failed to set pipeline to paused"]; } } @@ -121,13 +163,5 @@ gst_element_set_state(pipeline, GST_STATE_NULL); } --(NSString*) getGStreamerVersion -{ - char *str = gst_version_string(); - NSString *version = [NSString stringWithUTF8String:str]; - g_free(str); - return version; -} - @end diff --git a/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackendDelegate.h b/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackendDelegate.h index 2414408..b909591 100644 --- a/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackendDelegate.h +++ b/gst-sdk/tutorials/xcode iOS/Tutorial 2/GStreamerBackendDelegate.h @@ -3,7 +3,7 @@ @protocol GStreamerBackendDelegate <NSObject> @optional --(void) gstreamerError:(NSString *)message from:(id)sender; --(void) gstreamerEosFrom:(id)sender; +-(void) gstreamerInitialized; +-(void) gstreamerSetUIMessage:(NSString *)message; @end diff --git a/gst-sdk/tutorials/xcode iOS/Tutorial 2/ViewController.h b/gst-sdk/tutorials/xcode iOS/Tutorial 2/ViewController.h index df3a6f7..38fbe1c 100644 --- a/gst-sdk/tutorials/xcode iOS/Tutorial 2/ViewController.h +++ b/gst-sdk/tutorials/xcode iOS/Tutorial 2/ViewController.h @@ -2,13 +2,16 @@ #import "GStreamerBackendDelegate.h" @interface ViewController : UIViewController <GStreamerBackendDelegate> { + IBOutlet UILabel *message_label; + IBOutlet UIButton *play_button; + IBOutlet UIButton *pause_button; } -(IBAction) play:(id)sender; -(IBAction) pause:(id)sender; /* From GStreamerBackendDelegate */ --(void) gstreamerError:(NSString *)message from:(id)sender; --(void) gstreamerEosFrom:(id)sender; +-(void) gstreamerInitialized; +-(void) gstreamerSetUIMessage:(NSString *)message; @end diff --git a/gst-sdk/tutorials/xcode iOS/Tutorial 2/ViewController.m b/gst-sdk/tutorials/xcode iOS/Tutorial 2/ViewController.m index f477537..99c2b1c 100644 --- a/gst-sdk/tutorials/xcode iOS/Tutorial 2/ViewController.m +++ b/gst-sdk/tutorials/xcode iOS/Tutorial 2/ViewController.m @@ -13,14 +13,11 @@ - (void)viewDidLoad { [super viewDidLoad]; - // Do any additional setup after loading the view, typically from a nib. - gst_backend = [[GStreamerBackend alloc] init]; - - if (![gst_backend initializePipeline]) { - - } - gst_backend.delegate = self; + play_button.enabled = FALSE; + pause_button.enabled = FALSE; + + gst_backend = [[GStreamerBackend alloc] init:self]; } - (void)didReceiveMemoryWarning @@ -39,28 +36,19 @@ [gst_backend pause]; } --(void) gstreamerError:(NSString *)message from:(id)sender +-(void) gstreamerInitialized { - NSLog(@"Error %@", message, nil); - - UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"GStreamer error" - message:message - delegate:nil - cancelButtonTitle:@"OK" - otherButtonTitles:nil]; dispatch_async(dispatch_get_main_queue(), ^{ - /* make sure it runs from the main thread */ - [alert show]; + play_button.enabled = TRUE; + pause_button.enabled = TRUE; + message_label.text = @"Ready"; }); } --(void) gstreamerEosFrom:(id)sender +-(void) gstreamerSetUIMessage:(NSString *)message { - UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"EOS" message:@"End of stream" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil]; - dispatch_async(dispatch_get_main_queue(), ^{ - /* make sure it runs from the main thread */ - [alert show]; + message_label.text = message; }); } diff --git a/gst-sdk/tutorials/xcode iOS/Tutorial 2/en.lproj/MainStoryboard_iPad.storyboard b/gst-sdk/tutorials/xcode iOS/Tutorial 2/en.lproj/MainStoryboard_iPad.storyboard index 54dcba8..9c834f2 100644 --- a/gst-sdk/tutorials/xcode iOS/Tutorial 2/en.lproj/MainStoryboard_iPad.storyboard +++ b/gst-sdk/tutorials/xcode iOS/Tutorial 2/en.lproj/MainStoryboard_iPad.storyboard @@ -12,17 +12,26 @@ <rect key="frame" x="0.0" y="20" width="768" height="1004"/> <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/> <subviews> - <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="nMR-rP-TAZ" userLabel="Buttons"> + <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="nMR-rP-TAZ" userLabel="Content"> <subviews> - <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="elU-wp-Qp2"> + <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="Initializing..." textAlignment="center" lineBreakMode="wordWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" preferredMaxLayoutWidth="688" translatesAutoresizingMaskIntoConstraints="NO" id="UBA-ZM-cSe" userLabel="Message"> + <fontDescription key="fontDescription" type="system" pointSize="24"/> + <color key="textColor" cocoaTouchSystemColor="darkTextColor"/> + <nil key="highlightedColor"/> + </label> + <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="elU-wp-Qp2" userLabel="Play"> <constraints> - <constraint firstAttribute="width" constant="180" type="user" id="uTI-bm-bpQ"/> + <constraint firstAttribute="height" constant="100" type="user" id="4hh-98-fyR"/> + <constraint firstAttribute="width" constant="400" type="user" id="uTI-bm-bpQ"/> </constraints> - <fontDescription key="fontDescription" type="boldSystem" pointSize="15"/> + <fontDescription key="fontDescription" type="boldSystem" pointSize="32"/> <state key="normal" title="Play"> <color key="titleColor" red="0.19607843459999999" green="0.30980393290000002" blue="0.52156865600000002" alpha="1" colorSpace="calibratedRGB"/> <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/> </state> + <state key="disabled"> + <color key="titleColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/> + </state> <state key="highlighted"> <color key="titleColor" white="1" alpha="1" colorSpace="calibratedWhite"/> </state> @@ -30,15 +39,19 @@ <action selector="play:" destination="2" eventType="touchUpInside" id="Rji-r8-PDd"/> </connections> </button> - <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="w2M-v5-UAa"> + <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="w2M-v5-UAa" userLabel="Pause"> <constraints> - <constraint firstAttribute="width" constant="180" type="user" id="S8q-2J-07k"/> + <constraint firstAttribute="height" constant="100" type="user" id="L6h-G1-RwS"/> + <constraint firstAttribute="width" constant="400" type="user" id="S8q-2J-07k"/> </constraints> - <fontDescription key="fontDescription" type="boldSystem" pointSize="15"/> + <fontDescription key="fontDescription" type="boldSystem" pointSize="32"/> <state key="normal" title="Pause"> <color key="titleColor" red="0.19607843459999999" green="0.30980393290000002" blue="0.52156865600000002" alpha="1" colorSpace="calibratedRGB"/> <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/> </state> + <state key="disabled"> + <color key="titleColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/> + </state> <state key="highlighted"> <color key="titleColor" white="1" alpha="1" colorSpace="calibratedWhite"/> </state> @@ -47,28 +60,53 @@ </connections> </button> </subviews> - <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/> + <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/> <constraints> + <constraint firstItem="elU-wp-Qp2" firstAttribute="top" secondItem="UBA-ZM-cSe" secondAttribute="bottom" constant="8" symbolic="YES" type="user" id="18h-11-jhy"/> + <constraint firstItem="w2M-v5-UAa" firstAttribute="top" secondItem="elU-wp-Qp2" secondAttribute="bottom" constant="8" symbolic="YES" type="user" id="6GJ-37-EcB"/> <constraint firstAttribute="centerX" secondItem="w2M-v5-UAa" secondAttribute="centerX" type="user" id="7jU-ts-TJx"/> + <constraint firstAttribute="trailing" secondItem="UBA-ZM-cSe" secondAttribute="trailing" constant="20" symbolic="YES" type="user" id="EkQ-sA-oVc"/> <constraint firstAttribute="centerX" secondItem="elU-wp-Qp2" secondAttribute="centerX" type="user" id="EuX-Nw-e9K"/> - <constraint firstAttribute="bottom" secondItem="w2M-v5-UAa" secondAttribute="bottom" constant="20" symbolic="YES" type="default" id="Rdi-ax-p63"/> - <constraint firstItem="w2M-v5-UAa" firstAttribute="top" secondItem="elU-wp-Qp2" secondAttribute="bottom" constant="8" symbolic="YES" type="default" id="ZJv-bm-2N8"/> - <constraint firstItem="elU-wp-Qp2" firstAttribute="top" secondItem="nMR-rP-TAZ" secondAttribute="top" constant="20" symbolic="YES" type="default" id="etT-xj-mf4"/> + <constraint firstAttribute="bottom" secondItem="w2M-v5-UAa" secondAttribute="bottom" constant="20" symbolic="YES" type="default" id="LCr-Rv-UZs"/> + <constraint firstItem="UBA-ZM-cSe" firstAttribute="top" secondItem="nMR-rP-TAZ" secondAttribute="top" constant="20" symbolic="YES" type="user" id="nNG-sn-bRM"/> + <constraint firstItem="UBA-ZM-cSe" firstAttribute="leading" secondItem="nMR-rP-TAZ" secondAttribute="leading" constant="20" symbolic="YES" type="user" id="pJE-Vl-N8j"/> </constraints> </view> </subviews> <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/> <constraints> <constraint firstItem="nMR-rP-TAZ" firstAttribute="leading" secondItem="5" secondAttribute="leading" constant="20" symbolic="YES" type="user" id="E7n-88-e9Y"/> - <constraint firstAttribute="centerY" secondItem="nMR-rP-TAZ" secondAttribute="centerY" type="user" id="VKP-3B-S4N"/> - <constraint firstAttribute="centerX" secondItem="nMR-rP-TAZ" secondAttribute="centerX" type="user" id="cFL-r5-ip5"/> + <constraint firstAttribute="centerX" secondItem="nMR-rP-TAZ" secondAttribute="centerX" type="user" id="SAT-T4-FL2"/> + <constraint firstAttribute="centerY" secondItem="nMR-rP-TAZ" secondAttribute="centerY" type="user" id="SfA-hs-2KS"/> + <constraint firstItem="nMR-rP-TAZ" firstAttribute="top" secondItem="5" secondAttribute="top" priority="1" constant="20" symbolic="YES" type="user" id="XdK-Aa-fKA"/> </constraints> </view> + <connections> + <outlet property="message_label" destination="UBA-ZM-cSe" id="o2e-1J-nKs"/> + <outlet property="pause_button" destination="w2M-v5-UAa" id="PKY-tN-Lod"/> + <outlet property="play_button" destination="elU-wp-Qp2" id="C54-Xz-aIt"/> + </connections> </viewController> <placeholder placeholderIdentifier="IBFirstResponder" id="3" sceneMemberID="firstResponder"/> </objects> </scene> </scenes> + <classes> + <class className="NSLayoutConstraint" superclassName="NSObject"> + <source key="sourceIdentifier" type="project" relativePath="./Classes/NSLayoutConstraint.h"/> + </class> + <class className="ViewController" superclassName="UIViewController"> + <source key="sourceIdentifier" type="project" relativePath="./Classes/ViewController.h"/> + <relationships> + <relationship kind="action" name="pause:"/> + <relationship kind="action" name="play:"/> + <relationship kind="outlet" name="label" candidateClass="UILabel"/> + <relationship kind="outlet" name="message_label" candidateClass="UILabel"/> + <relationship kind="outlet" name="pause_button" candidateClass="UIButton"/> + <relationship kind="outlet" name="play_button" candidateClass="UIButton"/> + </relationships> + </class> + </classes> <simulatedMetricsContainer key="defaultSimulatedMetrics"> <simulatedStatusBarMetrics key="statusBar" statusBarStyle="blackTranslucent"/> <simulatedOrientationMetrics key="orientation"/> diff --git a/gst-sdk/tutorials/xcode iOS/Tutorial 2/en.lproj/MainStoryboard_iPhone.storyboard b/gst-sdk/tutorials/xcode iOS/Tutorial 2/en.lproj/MainStoryboard_iPhone.storyboard index fc46a36..1ce5fdb 100644 --- a/gst-sdk/tutorials/xcode iOS/Tutorial 2/en.lproj/MainStoryboard_iPhone.storyboard +++ b/gst-sdk/tutorials/xcode iOS/Tutorial 2/en.lproj/MainStoryboard_iPhone.storyboard @@ -1,89 +1,98 @@ <?xml version="1.0" encoding="UTF-8" standalone="no"?> -<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="2.0" toolsVersion="3084" systemVersion="11G63" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" initialViewController="pxQ-Ha-9Mf"> +<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="2.0" toolsVersion="3084" systemVersion="11G63" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" initialViewController="kYn-Hr-MJq"> <dependencies> <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="2083"/> </dependencies> <scenes> <!--View Controller--> - <scene sceneID="Vig-3P-QBd"> + <scene sceneID="3nc-d3-XH9"> <objects> - <viewController id="pxQ-Ha-9Mf" customClass="ViewController" sceneMemberID="viewController"> - <view key="view" contentMode="scaleToFill" id="OMs-0e-qTd"> + <viewController id="kYn-Hr-MJq" customClass="ViewController" sceneMemberID="viewController"> + <view key="view" contentMode="scaleToFill" id="JOS-rK-Hts"> <rect key="frame" x="0.0" y="20" width="320" height="548"/> <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/> <subviews> - <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="GxN-0E-u6U" userLabel="Buttons"> + <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="pac-D3-jCF" userLabel="Content"> <subviews> - <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="vb0-jC-MBX"> + <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="Initializing..." textAlignment="center" lineBreakMode="wordWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" preferredMaxLayoutWidth="240" translatesAutoresizingMaskIntoConstraints="NO" id="8wd-E5-Owx" userLabel="Message"> + <fontDescription key="fontDescription" type="system" pointSize="16"/> + <color key="textColor" cocoaTouchSystemColor="darkTextColor"/> + <nil key="highlightedColor"/> + </label> + <button opaque="NO" contentMode="scaleToFill" enabled="NO" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="uVI-yQ-geg" userLabel="Play"> <constraints> - <constraint firstAttribute="width" constant="180" type="user" id="JWj-Ts-QpO"/> + <constraint firstAttribute="height" constant="100" type="user" id="D1U-D7-pGb"/> + <constraint firstAttribute="width" constant="200" type="user" id="H9m-EA-1Y9"/> </constraints> - <fontDescription key="fontDescription" type="boldSystem" pointSize="15"/> + <fontDescription key="fontDescription" type="boldSystem" pointSize="24"/> <state key="normal" title="Play"> <color key="titleColor" red="0.19607843459999999" green="0.30980393290000002" blue="0.52156865600000002" alpha="1" colorSpace="calibratedRGB"/> <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/> </state> + <state key="disabled"> + <color key="titleColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/> + </state> <state key="highlighted"> <color key="titleColor" white="1" alpha="1" colorSpace="calibratedWhite"/> </state> <connections> - <action selector="play:" destination="pxQ-Ha-9Mf" eventType="touchUpInside" id="720-pe-ZQg"/> + <action selector="play:" destination="kYn-Hr-MJq" eventType="touchUpInside" id="lem-QX-Nov"/> </connections> </button> - <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="eNS-GM-32O"> + <button opaque="NO" contentMode="scaleToFill" enabled="NO" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="w5n-dd-01i" userLabel="Pause"> <constraints> - <constraint firstAttribute="width" constant="180" type="user" id="qyb-TL-L8J"/> + <constraint firstAttribute="height" constant="100" type="user" id="heT-S6-HPW"/> + <constraint firstAttribute="width" constant="200" type="user" id="zY8-bB-SYS"/> </constraints> - <fontDescription key="fontDescription" type="boldSystem" pointSize="15"/> + <fontDescription key="fontDescription" type="boldSystem" pointSize="24"/> <state key="normal" title="Pause"> <color key="titleColor" red="0.19607843459999999" green="0.30980393290000002" blue="0.52156865600000002" alpha="1" colorSpace="calibratedRGB"/> <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/> </state> + <state key="disabled"> + <color key="titleColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/> + </state> <state key="highlighted"> <color key="titleColor" white="1" alpha="1" colorSpace="calibratedWhite"/> </state> <connections> - <action selector="pause:" destination="pxQ-Ha-9Mf" eventType="touchUpInside" id="prA-YD-hYl"/> + <action selector="pause:" destination="kYn-Hr-MJq" eventType="touchUpInside" id="eZ6-M4-XBq"/> </connections> </button> </subviews> - <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/> + <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/> <constraints> - <constraint firstItem="vb0-jC-MBX" firstAttribute="top" secondItem="GxN-0E-u6U" secondAttribute="top" constant="20" symbolic="YES" type="default" id="06u-Jm-lfM"/> - <constraint firstAttribute="centerX" secondItem="eNS-GM-32O" secondAttribute="centerX" type="user" id="Sep-Aj-htp"/> - <constraint firstAttribute="centerX" secondItem="vb0-jC-MBX" secondAttribute="centerX" type="user" id="gmk-PR-KdB"/> - <constraint firstItem="eNS-GM-32O" firstAttribute="top" secondItem="vb0-jC-MBX" secondAttribute="bottom" constant="8" symbolic="YES" type="default" id="lun-xW-CAi"/> - <constraint firstAttribute="bottom" secondItem="eNS-GM-32O" secondAttribute="bottom" constant="20" symbolic="YES" type="default" id="xWq-oD-d5F"/> + <constraint firstAttribute="centerX" secondItem="uVI-yQ-geg" secondAttribute="centerX" type="user" id="2Wc-AU-tx5"/> + <constraint firstItem="8wd-E5-Owx" firstAttribute="leading" secondItem="pac-D3-jCF" secondAttribute="leading" constant="20" symbolic="YES" type="user" id="3rd-sw-9RW"/> + <constraint firstAttribute="centerX" secondItem="w5n-dd-01i" secondAttribute="centerX" type="user" id="3se-ej-QVc"/> + <constraint firstAttribute="trailing" secondItem="8wd-E5-Owx" secondAttribute="trailing" constant="20" symbolic="YES" type="user" id="FyO-Cv-ZON"/> + <constraint firstItem="uVI-yQ-geg" firstAttribute="top" secondItem="8wd-E5-Owx" secondAttribute="bottom" constant="8" symbolic="YES" type="user" id="Lte-nX-y3p"/> + <constraint firstItem="w5n-dd-01i" firstAttribute="top" secondItem="uVI-yQ-geg" secondAttribute="bottom" constant="8" symbolic="YES" type="user" id="Tqh-LF-05e"/> + <constraint firstItem="8wd-E5-Owx" firstAttribute="top" secondItem="pac-D3-jCF" secondAttribute="top" constant="20" symbolic="YES" type="user" id="dXW-gd-gnP"/> + <constraint firstAttribute="bottom" secondItem="w5n-dd-01i" secondAttribute="bottom" constant="20" symbolic="YES" type="default" id="dbq-X8-9Im"/> </constraints> </view> </subviews> <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/> <constraints> - <constraint firstItem="GxN-0E-u6U" firstAttribute="leading" secondItem="OMs-0e-qTd" secondAttribute="leading" constant="20" symbolic="YES" type="user" id="H5s-xz-Nfc"/> - <constraint firstAttribute="centerX" secondItem="GxN-0E-u6U" secondAttribute="centerX" type="user" id="dKd-jH-42g"/> - <constraint firstAttribute="centerY" secondItem="GxN-0E-u6U" secondAttribute="centerY" type="user" id="x24-bd-at0"/> + <constraint firstItem="pac-D3-jCF" firstAttribute="top" secondItem="JOS-rK-Hts" secondAttribute="top" priority="1" constant="20" symbolic="YES" type="user" id="77r-Ci-q9w"/> + <constraint firstItem="pac-D3-jCF" firstAttribute="top" secondItem="JOS-rK-Hts" secondAttribute="top" priority="1" constant="20" symbolic="YES" type="user" id="MGJ-u0-MAG"/> + <constraint firstAttribute="centerX" secondItem="pac-D3-jCF" secondAttribute="centerX" type="user" id="Y2t-0q-fAJ"/> + <constraint firstItem="pac-D3-jCF" firstAttribute="leading" secondItem="JOS-rK-Hts" secondAttribute="leading" constant="20" symbolic="YES" type="user" id="dPX-1l-W4G"/> + <constraint firstAttribute="centerY" secondItem="pac-D3-jCF" secondAttribute="centerY" type="user" id="pxX-Qj-nAV"/> </constraints> </view> <simulatedStatusBarMetrics key="simulatedStatusBarMetrics"/> + <connections> + <outlet property="message_label" destination="8wd-E5-Owx" id="7Xw-cg-3hH"/> + <outlet property="pause_button" destination="w5n-dd-01i" id="lHm-u3-mcA"/> + <outlet property="play_button" destination="uVI-yQ-geg" id="vI5-ma-lhA"/> + </connections> </viewController> - <placeholder placeholderIdentifier="IBFirstResponder" id="3Wk-O5-Z1z" sceneMemberID="firstResponder"/> + <placeholder placeholderIdentifier="IBFirstResponder" id="25z-hu-OZW" sceneMemberID="firstResponder"/> </objects> - <point key="canvasLocation" x="423" y="158"/> </scene> </scenes> - <classes> - <class className="NSLayoutConstraint" superclassName="NSObject"> - <source key="sourceIdentifier" type="project" relativePath="./Classes/NSLayoutConstraint.h"/> - </class> - <class className="ViewController" superclassName="UIViewController"> - <source key="sourceIdentifier" type="project" relativePath="./Classes/ViewController.h"/> - <relationships> - <relationship kind="action" name="pause:"/> - <relationship kind="action" name="play:"/> - <relationship kind="outlet" name="label" candidateClass="UILabel"/> - </relationships> - </class> - </classes> <simulatedMetricsContainer key="defaultSimulatedMetrics"> <simulatedStatusBarMetrics key="statusBar"/> <simulatedOrientationMetrics key="orientation"/> |