android stereo recording

I am often asked how to calculate the volume during recording. The iOS platform has APIs that can be called directly, but there is no good method on the Android platform, so we have to calculate it by ourselves. The demand for volume calculation is because many applications want to achieve some animation effects based on the volume. Therefore, based on this requirement, we only need to change the volume va

This article was reproduced from: http://blog.csdn.net/self_study/article/details/52965045Recently in the study of the relevant content of authority adaptation, the collation of the previous rights blog as follows:Android permission permissions and security mechanism resolution (on)Android permission permissions and security mechanism analysis (next)Android Hover window permissions for each model system ada

Android Basics Getting Started tutorial--9.4 using Mediarecord Recordingtags (space delimited): Android Basics Getting Started TutorialIntroduction to this section This section is the last section of the Android multimedia Basic API call, which is a simple use of Mediarecord,The usage is very simple, we write an example to familiarize with the familiar ~

Android mobile devices provide a lot of hardware for users to operate and many API interfaces for programmers to call. Java code calls C code to drive hardware devices, such a sophisticated set of implementation solutions. Just like single-chip microcomputer control requires many parameters, Android calls a hardware device also requires a lot of parameters, also known as parameters, which can be used to con

To create a UI by espresso test RecorderNote: The espresso Test Recorder is only a beta version in Android Stuido 2.2.The tool espresso Test Recorder allows you to create your UI tests without writing any code. By recording a test scenario, you can record the interaction with your device, or you can add assertions to your app snapshot to test specific UI elements. The espresso Test Recorder automatically ge

==================== Problem Description ====================Android Development Board in hand, mic recording Go is i2sI'm using the audio recording software provided by Android itself soundrecoder.apkWhen recording, the small pointer that detects the sound seldom shakes, wh

reached Encoder stopping; Recorded frames in seconds stopping encoder and muxer executing:/system/bin/am broadcast-a android.intent.action.m Edia_scanner_scan_file-d file:///sdcard/demo.mp4 broadcasting:intent {act=android.intent.action.media_scanner_ Scan_file Dat=file:///sdcard/demo.mp4} broadcast completed:result=0 Rotate 90 degrees:Parameter: --rotateDescription: This function is experimental, not good to know To view the help command:Parameter: --help[Email protected] ~$ adb shell screenre

Due to System Restrictions, only the voice of the microphone can be recorded, and the voice of the other speaker cannot be recorded. You may need to change the kernel to implement two-way recording; When the phone is connected and the phone is hung up, shake it down; Use broadcast receiver to enable auto-start; Service Code: Package com. eboy. phonelistener; Import java. Io. file; Import Android. App. Ser

Recording operations on Android phones, converting to Gif images and androidgif Images I often see some dynamic images on others' blogs to demonstrate the Running Effect of my project. How do I perform screen recording and Gif image generation? Previously, I thought about how to use ** and other mobile phone software to record the mobile phone screen, and then u

============ Problem Description ============Android Development Board in hand, mic recording Go is i2sI'm using the audio recording software provided by Android itself soundrecoder.apkWhen recording, the small pointer that detects the sound seldom shakes, when my voice is h

: mMediaRecorder. setVideoFrameRate (20); * Correction: mMediaRecorder. setVideoFrameRate (15); * symptom: normal on 2.3, error on 4.0 * cause: 12-15 frames per second are enough to indicate motion, and the TV is 30. ** Note: * from Android recording video (v) to Android recording video (I) Difficulty * gradually incre

Android mediarecorder allows you to pause resumable recording. I recently studied the mediarecorder recording function and found that after the pause, I continue recording. I have little online reference information. Now I will share my learning achievements with you: The basic principle is as follows: mediarecorder us

Android video recording command screenrecord: Screenrecord is a shell command Support for Android4.4 (API level 19) or above Supported video formats: mp4 restrictions Some devices may not be able to directly record because the resolution is too high. If you encounter such problems, try to specify a lower resolution. Screen rotation is not supported during r