dummy headphone plug

if one of the most significant accidents occurs in a project, it is no doubt that the developer is using an element that is not controllable. Objective iOS development in the development of audio and video playback is not uncommon, users often use an output device, that is, "headphones", this blog is about some of the development of headphones related technical points. Detect if the headset is plugged in See above the title of the time must be noted, here is said to "detect wheth

Android Bottom -up headphone Plug and audio channel switching instanceBecause headphones are used as separate headsets, the events are reported separately. The detection of headphone jacks on the Android system layer is based on /sys/class/switch/h2w/state values (in 4.4.4_r2 For example in Wiredaccessorymanager.java).A switch class -based h2w switch is implemen

Preface The usual way to monitor headphone plug in iOS is to use the headset provided by the iOS system to notify event avaudiosessionroutechangenotification. The code structure is the following system notification method Add observation message [[Nsnotificationcenter Defaultcenter] addobserver:self selector: @selector (audioroutechangelistenercallback:) Name:avaudiosessionroutechangenotification Object:

Android Potential Development headphone plug connection to audio channel switch exampleBecause you are using headphones with a separate headset, you have to escalate the event separately. The detection of headphone jacks on the Android system layer is inferred based on The value of the/sys/class/switch/h2w/state (in 4.4.4_r2 for the sample is located in Wiredacc

with microphone not connected3 the- - Ten:Wuyi:03.025: e/123(32136): Headset no microphone not connected3. Go to application, plug-in headset, unplug the headset (no microphone) 1 the- - One:Ten:34.665: e/123(3542): Headset no microphone not connected2 the- - One:Ten:38.985: e/123(3542): Headset No microphone connected3 the- - One:Ten:49.945: e/123(3542): Headset with microphone connected4 the- - One:Ten:50.635: e/123(3542): Headset with mi