android system volume

). ToString (); theStream_ring_text.text = audiomanager.callint>(Maxvolume, stream_ring). ToString (); -Stream_music_text.text = audiomanager.callint>(Maxvolume, Stream_music). ToString (); WuStream_alarm_text.text = audiomanager.callint>(Maxvolume, Stream_alarm). ToString (); -Stream_notification_text.text = audiomanager.callint>(Maxvolume, stream_notification). ToString (); AboutStream_dtmf_text.text = audiomanager.callint>(Maxvolume, STREAM_DTMF). ToString (); $ - } -}Unity calls

the files in that directory are stored in the system memory.I learned from this chapter that, regardless of which version of the Linux kernel, the methods and procedures for developing Linux drivers are basically the same, As long as you have mastered the driver development of a Linux kernel version (recommended using the Linux2.6 or linux3.x kernel version), other Linux kernel versions are easy to master.GUN C is also a must-know technology for lear

In the past two days, due to a customer's requirement, the volume key on the status bar of the MID portrait screen is removed. So I tried to modify it, succeeded, and shared my experience. Take a look at the modified one, as shown below. Horizontal screen: there is a volume plus or minus key Portrait screen: The volume plus or minus key is removed Then let's

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) Getsystemserv

Intent is very common in Android programming, and it has been shown in "Android" to use bundles to transfer values between multiple activity (clicking the Open link) to wake up other activity and pass data between the activity. In fact, the role of intent is far from this, it can also invoke other inherent programs in the system, such as making calls, sending tex

Changing the system default volume requires two places:1. Frameworks\base\media\java\android\media\audiomanager.java1 /**@hide Default Volume index values for audio streams*/2 Public Static Final int[] Default_stream_volume =New int[] {34,//Stream_voice_call47,//Stream_system55,//stream_ring68,//One ,//Stream_musi

(Audiomanager.stream_music, audiomanager.adjust_raise, audiomanager.fx_focus_navigation_up); Currentvolume = Maudiomanager.Getstreamvolume (Audiomanager.stream_music); LOG.I (TAG, "Current Volume:" + Currentvolume); public void-down (view view) {///volume decrease Maudiomanager.adjuststreamvolume (Audiomanager.stream_music, Audiomanager.adjust_lower, AUDIOMANAGER.FX_FOCUS_NAVIGATIO

The Android program obtains and sets the ringtone and volume.Obtain the ringtones and volume of the android mobile phone through a program. Similarly, you can set the ringtone and volume easily!AudioManagermAudioManager = (AudioManager) getSystemService (Context. AUDIO_SERVICE );// Call volumeInt max = mAudioManager. g

From: http://www.inandroid.cn/bbs/thread-132546-1-1.htmlObtain the ringtones and volume of the Android mobile phone through a program. Similarly, you can set the ringtone and volume easily!The method for setting the volume is also very simple. audiomanager provides the method:Publicvoidsetstreamvolume (intstreamtype, i

Chapter 1 kernel mechanism and structure analysis of Android is full of "very simple" and there is no need to introduce it if it is simple. Besides, these simpleCode, Called manyProgramIt may not be well written. Chapter 2: Analysis of Several CPP files later in Android IPC Mechanism-binder, you can consider the class diagram structure of C ++ or UML diagram. Code and text are everywhere, making people una

downtime under the premise of the size of the file system can be easily adjusted to facilitate the implementation of the file system across different disks and partitions. Fortunately, the Logical Disk volume management (lvm,logicalvolumemanager) mechanism provided by Linux is a perfect solution.LVM is the abbreviation for Logical Disk

Android game background music audio volume control, android volume control Game sound effects are the music we use to play games. This is also a must-have for every game. However, if the background music you play is interrupted, we can use getCurrentPosition () this method is used to determine the audio playback offset

Android volume key monitoring and android Volume monitoring Conclusion: The following two methods can be used to obtain the volume key. During the test, we found that When KeyEvent. KEYCODE_VOLUME_UP is held down all the time, Samsung's tablet counts to 200, and this event i

1,:2, Code:Mainactivity.java PackageCom.hero.zhaoq.seekbarchangeddemo;ImportAndroid.content.BroadcastReceiver;ImportAndroid.content.Context;ImportAndroid.content.Intent;ImportAndroid.content.IntentFilter;ImportAndroid.database.ContentObserver;ImportAndroid.media.AudioManager;ImportAndroid.os.Handler;Importandroid.support.v7.app.AppCompatActivity;ImportAndroid.os.Bundle;ImportAndroid.util.Log;ImportAndroid.widget.SeekBar;/** * Android implements Seekba

; 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 /*

{Thread.Sleep (2000);float volumenum = (float) getvolume ()/7;int streamid = Soundpool.play (Music2, 1, 1, 0, 0, (float) 1.4);Soundpool.setvolume (Streamid, Volumenum, volumenum);//Play sound} catch (Interruptedexception e) {E.printstacktrace ();}}});Thread.Start ();Mytextview.settext ("Hello world!!!");}});}//Get current system volume 0~7private int Getvolume () {int