increase bluetooth volume android

, SPP communication is a basic method. UUID can be customized completely, but both devices must share the uuid in advance. In specific implementation, the SPP programming method is very similar to the Linux TCP socket. Some common problems such as processing after the client is connected, and opening another thread are very similar.A2dp A2dp is a profile used for audio and multimedia. In Android, it already contains the APIS corresponding to a2dp (mos

; Normally in the audio and video interface to adjust the volume of the stream is Stream_music, back to luncher adjust is stream_voice_call, but this switch a little delay streamoverride.sdelayms, resulting in the exit tone, After the video interface is adjusted immediately, the change is still the size of the Stream_music:You can modify the/frameworks/base/media/java/android/media/audioservice.java file /*

This example describes the simple Bluetooth program implemented by Android. Share to everyone for your reference, specific as follows: I will introduce the Android Bluetooth program in this article. This program is to realize the mobile phone as a computer PPT playback of the remote control: the

How does Android monitor key events of Bluetooth headsets? How does Android monitor key events of Bluetooth headsets? Preface: You can directly pull the scroll bar to the bottom to view the code. If you want to know why, follow the steps I have planned. The following test environment uses the "Bluedio + red rice mobile

Http://source.android.com/projects/bluetooth-featuresBluetooth features by release Android 2.0 2.1 release (eclair) Java API features Bluetooth on/off Device discovery RFCOMM server and client sockets Automatic RFCOMM channel lookup and SDP record advertisement via SDPUUID Supports most RFCOMM use-cases, including peer-to-peer communicationAnd Gaming See

Android Mobile phone Nexus One connects to the Apple Bluetooth keyboardPosted on August 20,201 0 by HenryFirst, all Bluetooth Android phones are theoretically accessible. Bluetooth Keyboard Human Interface Device, unfortunatelyOfficial Of

First need a jar package, BLUESDK, please own Baidu.The specific layout style is the same as the network printer print layout style implementation, here is not much to describe, only one implementation method code. Bluetooth printer needs to be paired with the phone before use, can be saved locally, record the address, here you can see me every time I call this method to let the thread rest 1s, because the test found that when the data

Main. xml layout File Android: orientation = "vertical" android: layout_width = "fill_parent"Android: layout_height = "fill_parent">Android: layout_width = "fill_parent"Android: layout_height = "wrap_content"Android: text = "playi

Android deep exploration and HAL-driven development (Volume 1)-Chapter 7, android-driven developmentRelationship between applications, libraries, kernels, and drivers From top to bottom, a software system can be divided into applications, libraries, operating systems (kernels), and drivers. Developers can focus on what they are familiar with. For adjacent layers,

The example in this article describes how Android uses Audiomanager to modify the volume of the system. Share to everyone for your reference, specific as follows: Here are a few audiomanager ways to adjust the volume. The first is to get the Audiomanager instance: Audiomanager am= (Audiomanager) Getsystemservice (Context.audio_service); There are

This article translated from: http://developer.android.com/training/managing-audio/volume-playback.html Good user experience is predictable. If your application needs to play multimedia, it is vital that you can use the hardware or software of your device to control the volume, such as Bluetooth headsets or microphones. Similarly, when appropriate, your applicati