Guo XiaoxingWeibo: Guo Xiaoxing's Sina WeiboEmail:[email protected]Blog: http://blog.csdn.net/allenwellsGithub:https://github.com/allenwells
Android has maintained an isolated audio stream for playing music, alarms, notification bells, incoming calls, system sounds, call sounds, and DTMF channels, which is the premise that we can control different audio,
When it comes to audio applications, the first thing to think about is the music player. Some players can play streaming media, and some can play local music files. With the evolution of the Android platform, more advanced audio APIs are needed. Fortunately, Google has added this API to support low-latency audio stream
Android game audio design, android game audioAudio Design for Android games
1. Basic Knowledge:
A. setVolumeControlStream (AudioManager. STREAM_MUSIC );Http://developer.android.com/training/managing-audio/volume-playback.htmlHttp://developer.android.com/reference/
development requires only an ordinary PC, no licensing fees. But need different resolution of Android phone to carry out the actual test. Personnel Mobile app development cannot be completed by a single person and requires a team of at least 3 people for special development. (Tester 1, Developer 2, Tester and developer.) ) TechnologyBecause iOS devices, such as the iphone, do not support players such as Fl
After running the Demo, a list of all the music files on your SD card is displayed, and you can click the list to select a song for playing.
Running effect:
Click download to display:
Then, click the song to call the system player to play the video.
Source code:
Activity_audio_browser.xml:
AudioBrowser. java:
Package com. multimediademo5customaudioplayer2; import java. io. file; import android.
prevent multiple music apps from playing audio at the same time, Android uses audio focus to control the playback of audio. In this lesson, you can learn how to request audio focus, monitor the loss of audio focus, and how to res
briefly describe how to implement bidirectional communication between audio interfaces? What are the requirements?
First, convert the information entered by the external audio device into a special audio signal (sound) and transmit it to the mobile phone through the audio port. The mobile phone program monitors
A good user experience can be predicted. If your app needs to play multimedia, then your users can use your app to control the volume of their devices using hardware or software, and Bluetooth headsets, headband headsets, etc. are essential to them. Similarly, buttons that provide playback, stop, pause, skip, and playback functions appropriately in which location are determined by their respective process
music apps from playing Audio at the same time, Android uses Audio Focus to control the playing of Audio. In this lesson, you can learn how to request the audio focus, listen to the loss of the audio focus, and how to respond in
Lab Report
Course Name
Mobile Internet development based on Android platform
Date of experiment
2015.4.16
Name of the experimental project
Experiment 6 play audio and video in the app
Location of the experiment
S30010
Type of experiment
-Verification Type √ design type-comprehensive type
For those who do not know about ffmpeg, go to the common basic commands of FFmpeg and read one or two to see if its function can make your app more fun and powerful. It can synthesize audio and video, play audio and video of all types of encoding, intercept a certain segment, and merge multiple images into one video and audio
Lab Report
Course Name
Mobile Internet development based on Android platform
Date of experiment
April 15
Name of the experimental project
Play audio and video in the app
Location of the experiment
S3002
Type of experiment
-Verification Type √ design type-comprehensive type
Hours
Lab Report
Course Name
Mobile Internet development based on Android platform
Date of experiment
April 15, 2016
Name of the experimental project
Play audio and video in the app
Location of the experiment
S3010
Type of experiment
-Verification Type √ design type-comprehensive type
Hou
Lab Report
Course Name
Mobile Internet development based on Android platform
Date of experiment
4.15
Name of the experimental project
Play audio and video in the app
Location of the experiment
S3010
Type of experiment
-Verification Type √ design type-comprehensive type
Hours
1
Android Audio Analytics1 Android Audio System framework? Multimedia framework:The multimedia framework is responsible for encapsulating the playback/recording class, connecting the Android audio decoding library for
items. Click "Preview"
Note: It is best not to place your project in the Chinese path. Otherwise, an error will occur during rename. I started to put the error in the Chinese path for a long time before I found the error!
4. Delete this sentence in the AndroidManifest. xml file. (Android: sharedUserId = "android. uid. shared ")
In this case, I used launcher 2.3 to perform the experiment. The result is OK
Lab Report
Course Name
Mobile Internet development based on Android platform
Date of experiment
2015.4.16
Name of the experimental project
Experiment 6 play audio and video in the app
Location of the experiment
S30010
Type of experiment
-Verification Type √ design type-comprehensive type
(mynoisyaudiostreamreceiver);}Iii. typical scenario for audio output channel switching--unplug headphones when listening to music with headphonesWhen listening to music, the headset does not unplug the timing diagram as follows:In the diagram:
Audionoisy client registered for listening broadcast audiomanager.action_audio_becoming_noisy[step#1 ~ #2];
Always listen to music with headphones;
Headsetobserver has been monitoring the chang
Lab Report
Course Name
Mobile Internet development based on Android platform
Date of experiment
April 21, 2016
Name of the experimental project
Play audio and video in the app
Location of the experiment
S3010
Type of experiment
-Verification Type √ design type-comprehensive type
Hou
Two audio recording methods for Android
In mobile APP development, every time an APP is designed for multimedia development, many programmers will suffer, and the project development progress will slow down
And the APP testing will increase. Multimedia Development in
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.