how to boost volume on android

//obtain current count and target time8 boost::p osix_time::p Time Now (Microsec_clock::universal_time ());9 if(Now >=abs_time)Ten return false; One A Do{ - if( This-try_wait ()) { - Break; the } -now =microsec_clock::universal_time (); - - if(Now >=abs_time) { + return This-try_wait (); - } + //Relinquish Current time slice A Detail::thread_yield (); at} while(true); - return tru

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 /*

Android android source code case when adding the volume plus/minus button in the navigation bar, Android android Some Android devices do not have a volume adjustment button for the enti

??Android Viewpager fragment boost performance with lazy loadingFragment is becoming more prevalent in today's Android development, but when Viewpager is combined with fragment, due to the inherent loading mechanism of Android Viewpager, a more serious load-performance problem, specifically, Assuming that there are mor

Edit Tools/build/src/tools/gcc.jamRule setup-threading (Targets *: sources *: Properties *){Local threading = [feature.get-values Threading: $ (properties)];If $ (threading) = Multi{Local target = [feature.get-values Target-os: $ (properties)];Local option;Local libs;Switch $ (target){Case Android: # No Threading Options, everything are in already.Case windows:option =-mthreads;Case cygwin:option =-mthreads;Case solaris:option =-pthreads; libs = RT;Ca

Android program Ape Boost efficiency essential tool 0x00 Code tree for GitHubThis Chrome browser plugin.Github, as the largest gay dating site, works almost every day from opening the site. When we browse a project, it is very convenient to view the structure of the project code in a tree structure.You can download it in the Chrome Store and need FQ.0x01 JsonviewThis is the Chrome browser plugin.The JSON fo

1. Generate Cocos Prebuild LibraryDebugor Cocos gen-libs-m release2. Create a test project with a commandCocos New Test-l CPP3. Modify Android ProjectModify the following two files:1. Proj.android/build-cfg.json2. Proj.android/jni/android.mkBuild-cfg.jsonModify the following,e:/cocos2d-x-3.8.1 is the root directory of cocos2d3.8.1{ "Ndk_module_path": [ "e:/cocos2d-x-3.8.1", "E:/COCOS2D-X-3.8.1/COCOS/PREBUILT-MK", "e:/ Cocos2d-x

, it is best to request a larger heap space, such as a large image editing application, only for applications that really need more memory space. remember not to apply for a large heap because of your memory overflow , you need to know that only you understand where your memory is allocated and why he has been kept. When you are sure that your application needs a large heap, you should avoid wasting it at will, and using extra memory can greatly affect the user's experience, because garbage coll

Android sliding scroll bar to adjust the volume, android scroll bar Use scroll bar sliding to control the volume: Definition: 1 private SeekBar mseekBarvolume； The following code is used: 1 // adjust the volume -- begin ------------------------- 2 //

Some Android devices do not have an entity's volume adjustment button, or from the point of view of protecting the body keys, you need to add a volume plus minus adjustment button to the virtual keys in the navigation bar.Here I recommend the more good Android source fragment website: http://code.662p.com/list/173_1.ht

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

Learn Lei Feng, a good example, the next tutorial in this series, will be through unity to achieve some of the common features of the Android side,It is important not to refer to the jar package or the AAR package in the Asset/plugins/android directory.1 usingSystem.Collections;2 usingSystem.Collections.Generic;3 usingUnityengine;4 5 Public classVolume:monobehaviour {6 7 8 Private Const stringCurrentvo

(Appinfos.get (position). Getappname ()); returnview; } @Override PublicObject GetItem (intposition) { return NULL; } @Override Public LongGetitemid (intposition) { return0; } classviewholder{ImageView Iv_icon; TextView Tv_text; } }Five. Locate the object for the ListView, and then set the adapterlv=(ListView) Findviewbyid (r.id.lv_show); Lv.setadapter (new myadapter ());This is the basic use of the ListView, let's talk about how to improve

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 learning Linux drivers. GUN c is an extension to

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,

Android deep exploration and HAL-driven development (Volume 1)-Chapter 8: android-driven developmentBuzzer type and working principle The buzzer also becomes PWM (Pulse Width Modulation). The basic principle is to control the opening and stopping of the buzzer through the pulse. It is a very effective technology that uses the digital output of a microcontroller

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