android audiomanager

ArticleDirectory Learn about audiomanager Introduction to audiomanager Learn about audiomanager The audiomanager class is located in the Android. Media package, which provides operations to control the volume and audible mode. Introduction to

I. MediaPlayer1. Obtain the MediaPlayer instance[Java]MediaPlayer. create (Context context, int resId); // parameter 1: Context object, parameter 2: Music Resource ID, which is generally placed in the raw folder. If there is no raw, create one by yourself. 2. Common MediaPlayer Functions[Java]Prepare (); // prepare for playing a music fileStart (); // play musicPause (); // pause musicStop (); // stop playing musicNote: The main difference between pause () and stop () is that you can call start

First, the upper-layer Java calls Xxxplayer Audiomanager audiomanage = (audiomanager) Context. getsystemservice (context. audio_service ); Audiomanager is the defined object that controls system sound. (If context reports an error, you can change it to xxxplayer. This) Audiomanager. setstreamvolume (AA, BB, CC) is a me

In the near future to match some third-party applications to the system, but the audio part of the logic is still a bug. So focus on the next part of the audio management Code, write part of the current understanding of the part.First of all, we must first explain why the current work, the cause is that the system has to call the sound of the application, so at the same time to run another need to use the sound of the application needs to have a priority to constrain the volume of these sounds a

This article describes the Android based on Audiomanager, Phonestatelistener implementation set blacklist feature. Share to everyone for your reference, specific as follows: The mobile phone generally has the function of setting a blacklist. This example by setting the phone blacklist, when the phone call in the black list, the phone ring to mute. The program code is as follows: Import android.app.Ac

analysis: When the alarm clock rings, not to do the audio focus of processingWorkaround: Add focus to the Packages/apps/deskclock/src/com/android/deskclock/alarms/alarmklaxon.java filethe modified source code:Package Com.android.deskclock.alarms;import Android.content.context;import Android.content.res.assetfiledescriptor;import Android.media.audiomanager;import Android.media.MediaPlayer; Import Android.media.mediaplayer.onerrorlistener;import Androi

When we use the Android phone, we often use the voice to increase and reduce the operation, in the setting of the situation mode is often used to mute and vibration operation, which is often controlled by Audiomanager . today, let's take a look. Audiomanager the use of. The first thing to do is to get this service, in front of which we've learned how to get a sys

= (ImageButton) Super.findviewbyid (r.id.voiceraise); This.audio = (Audiomanager) Super.getsystemservice (Context.audio_service); This.voiceOn.setOnClickListener (new Voiceononclicklistenerimpl ()) ; This.voiceOff.setOnClickListener (New Voiceoffonclicklistenerimpl ()); This.voiceVibrate.setOnClickListener (new Voicevibrateonclicklistenerimpl ()); This.voiceLower.setOnClickListener (new Voiceloweronclicklistenerimpl ()); This.voiceRaise.setOnClickLis

This should be regarded as a small module of the music player. I will not talk about it. It is very simple. It is purely for practice and the code is clearly written. The layout file is as follows: The Java code is as follows: Package COM. mars. demoserviceaudio; import android. app. activity; import android. app. service; import android. media.

); Sb_clock.setonseekbarchangelistener ( This); }@Override Public void onprogresschanged(SeekBar SeekBar,intProgressBooleanFromuser) {}@Override Public void Onstarttrackingtouch(SeekBar SeekBar) {startPoint = Seekbar.getprogress (); }@Override Public void Onstoptrackingtouch(SeekBar SeekBar) {Switch(Seekbar.getid ()) { CaseR.id.sb_media:voice_type = Audiomanager.stream_music; Break; CaseR.id.sb_ring:voice_type = audiomanager.stream_ring; Break; CaseR.id.sb_system:voice_type = Audi

Now started to do the music player module, encountered a few problemsWhen you play the music, you adjust the volume or the ringtone settings in the profile, and the result is two sounds ringing at the same time. The cause of the problem is that the

Resources Public voidrelease () {//strictly follow the API processMrecorder.stop (); Mrecorder.release (); Mrecorder=NULL; } //Cancel because a file was generated when prepare, so the Cancel method should delete the file,//This is the difference from the release method Public voidCancel () {release (); if(Mcurrentfilepathstring! =NULL) {File file=NewFile (mcurrentfilepathstring); File.delete (); Mcurrentfilepathstring=NULL; } } PublicString Getcurrentfilepath