oscilloscope app android

My Android advanced tour ------> Android implements music oscilloscope, balancer, bass and audio field functions, and android advancedThis example is from the crazy Android handout. To implement specific functions, you need to understand the following APIs: MediaPlayer Med

My Android advanced tutorial ------) Android implements music oscilloscope, balancer, bass, and audio field functionsThis example is from crazy Android handout. To implement specific functions, you need to understand the following APIs: MediaPlayer Media Player Visualizer spectrum Equalizer balancer BassBoost bass cont

, mPaint ). start (); // start drawing thread}/*** Stop */public void Stop () {isRecording = false; inBuf. clear (); // clear}/*** saves data from MIC to inBuf ** @ author GV **/class RecordThread extends Thread {private int recBufSize; private AudioRecord audioRecord; public RecordThread (AudioRecord audioRecord, int recBufSize) {this. audioRecord = audioRecord; this. recBufSize = recBufSize;} public void run () {try {short [] buffer = new short [recBufSize]; audioRecord. startRecording (); //

The last time I briefly introduced the use of AudioRecord and AudioTrack, this time I used SurfaceView to implement an Android mobile phone analog signal oscilloscope (PS: I have also talked about the mobile phone oscilloscope OF THE j2_version before ). Recently, the Internet of Things has become very popular. As mobile phone software developers, how can they co

The previous simple introduction of the Android program in the development of the use of Audiorecord and Audiotrack, this time combined with Surfaceview to achieve an Android version of the phone analog signal oscilloscope. Recently the Internet of Things is very hot, as a mobile phone software developers, how to do not modify the phone hardware circuit under the

The last simple introduction of the use of Audiorecord and Audiotrack, this time the combination of Surfaceview to achieve an Android version of the phone analog signal oscilloscope. Recently the Internet of Things is very hot, as a mobile phone software developers, how to do not modify the phone hardware circuit under the premise of integration with third-party sensors it? The microphone is a good ADC inte

Oscilloscope is in the university when the teacher taught, but out of work has not been used, and gradually forget, and now learn again. Look at the effect chart: Here is a custom histogram, and then there is a button, click the button, where the pillars will keep moving, similar to the music player in the oscilloscope beat. Similar to the previous custom view, rewrite the onsizechange () method and th

Independent of the system app in the android source code, developed like a common app, Android appI personally recommend that you first import the formatted xml and import in the ide/eclipse of the android source code to your compiled eclipse. If the

[Android] Android mobile app data to SD, android mobile app [Android] Android mobile app data to SD You can specify it in the menifest fil

(1) Android. App. Fragment: the minimum compatible version is Android: minsdkversion = "11" Therefore, your application is not compatible with applications under 3.0. You can use the (2) Android. Support. v4.app. Fragment: compatible with version 1.6. The ProgramIn th

Android encapsulates this approach, and we don't have permission to call it, so we can just go through the aidl and use the Java reflection mechanism to invoke the system-level approach. The following code: (note more detailed) /** * Role:-----Get the size of the package-----* @param context * @param pkgname app's package name * @param appInfo entity class for storing some information about the app/PU

1. Why can third-party apps start up earlier than the system app? Android App Launch Order online there is a lot of information can be consulted, here is not detailed, here does not elaborate ROM start and bootloader, the general process of software startup should be Start kernel Run ServiceManager to start up some native services with commands (incl

Several projects have been developed recently, involving several development models of Android. For the original ecological development, Web application development and Mixed mode development, I think that is not what is the best, which is the worst, this is entirely based on their own needs, choose a suitable development model. They also have their own a bit, but also have their own shortcomings, we based on the actual situation, take the advantages,

July 5, 2014, 6th, AVOs Cloud Joint Move point Technology, seven Qiniu storage, Ucloud, push Network, Segmentfault, EOE Developer community, offer, csdn and Geek College come to Mordor, A two-day hacking marathon was held for developers. This event is an exclusive collaborative media with Dynamic point technology, which features a special report on developers ' ideas and products. Love encryption as the guardian of mobile application security, was invited to be the jury guest of this contest.App

Android starts the APP in the browser, android browser appTo start an APP in a browser, follow these steps:Add intent-filter information to the ACTIVITY to be redirected:Example:Add the following link in HTML: After entering the APP, you can use getIntent () to obtain the in

How does Android jump into the App from the outside and Android jump into the App? Solving this problem has two functions: 1. directly access a page without opening the App 2. share an App to the outside, and access the closed loo

How does Android jump into the App from the outside and Android jump into the App? Blog Source: http://blog.csdn.net/liuxian13183! All Rights Reserved! This problem has been solved for two days. Because there is no complete solution on the internet, I will share it with you! Solving this problem has two functi

Getxxxextra () and found that the class was thrown out of the undefined exception.To test the app code snippet:protected void onCreate (Bundle savedinstancestate) { = getintent (); Intent.getstringextra (/// here will still be due to noclassdeffounderror crash}We then tested a number of mainstream applications on the market, including bat. Found that this method can kill. We started to think that this was the problem with

APP Android source code and app Android source code The source code is the application source code of the high imitation public comments. This source code is only used for personal research and cannot be used for commercial purposes. Disputes Caused by this source code are irrelevant to the author. This set of source

Android learning notes-App Initial Startup interface implementation, android-app When many apps on android phones start, an image is displayed first. as the beginning of the app, the image is transient. This image usually uses the