compress audio file android

Android saves a Bitmap object as a png image file, Input: Bitmap object, saved path, saved file name Note that the path must end with the '/' symbol. Private void saveBitmap (Bitmap bitmap, String path, String filename) throws IOException {File file = new

The Android system provides interfaces such as Mediascanner,mediaprovider,mediastore, and provides a set of database tables that are available to users through content provider. When the cell phone boot or SD card Plug and other events occur, the system will automatically scan the SD card and cell phone memory of the media files, such as audio,video, pictures, etc., the corresponding information into a well

Android-File compression and decompressionI am working on a project. There is a function in the project file that requires a lot of pictures. If the pictures are packaged with the app, there will be 30 + M. Then we will consider downloading the compressed package, we took out the image, and the project was only 4 + M. Hahaha, haha, It's really horrible. This invo

Import Java.util.hashmap;import java.util.iterator;/** * Determine the type of file */public class Mediafileutil {public static String SF Ileextensions; Audio public static final int file_type_mp3 = 1; public static final int file_type_m4a = 2; public static final int file_type_wav = 3; public static final int file_type_amr = 4; public static final int file_type_awb = 5; public static f

Some specific software automatically generates a file named ". Nomedia" in the cached Pictures folder, shielding the scanning of other software.This folder represents the MP3, MP4, RMVB, JPEG and other media files such as audio and video, so the system library is not visible.However, some special software such as quick maps, MX player can also be in the settings to cancel the identification of these files!