how to move internal storage to sd card on android

Android NDK loads so and androidndk in the SD card Recently, the company's framework has just been transplanted. Since the framework program needs to call subroutines, each subroutine is a so file, with hundreds of so files. It is unrealistic to package all the so and apk files, timely upgrade and maintenance are also troublesome. So you need to put it in the

Android NDK loads so in SD card Recently, the company's framework has just been transplanted. Since the framework program needs to call subroutines, each subroutine is a so file, with hundreds of so files. It is unrealistic to package all the so and apk files, timely upgrade and maintenance are also troublesome. So you need to put it in the

In Android, the implementation of the output log content in the SD card file, the practice is:Or relatively, log4j, is useful.1. Download the Android log4j library (in the package)Go: http://code.google.com/p/android-logging-log4j/ download the corresponding

The example in this article describes how Android gets to listen for SD card status. Share to everyone for your reference. The specific analysis is as follows: 1. Register Storageeventlistener to monitor the SD card state that is the onstoragestatechanged () method, when th

mresolver = Ctx.getcontentresolver (); The top of the CTX is a context,activity.this is that context, this context is equivalent to a contextual environment. Once you get this context, you can call the Getcontentresolver interface to get the Contentresolver instance. Contentresolver instances obtained, you can make a variety of queries, the following I take the audio database as an example to explain the method of adding and deleting, video and image and audio very similar. Before explaining th

Finally: Implement the SD card file browser Technical analysis: The main controls used:Listview How to fill in the listview control, you need to traverse all the files under the entire SD card. If you traverse a folder, first obtain all the files under the folder, then we can fill all the files in this listview, so we

This article describes the Android implementation to obtain the total capacity of SD card, available size, total memory capacity of the fuselage and the available size of the method. Share to everyone for your reference, specific as follows: Maybe some students do not know that the system has been provided to obtain the total capacity of

When you use MediaPlayer to play a local Mp3 file , you need to be aware of the problem with access paths and access permissions .1. Access path:/storage/emulated/0 This path is the root path of the phone, you can download the es file browser software to view the current playing MP3 specific path, through Environment.getexternalstoragedirectory (). GetPath () gets /storage/emulated/0 This sdcard path This in the organization void Android.media.MediaPlayer.setDataSource (String path) throws

(); } 2. Get the right: 3. Judge the state of SDcard (SDcard may be write-protected or not inserted sdcard) Save String en=environment.getexternalstoragestate () to SDcard; Gets the SDcard state if SDcard is plugged into the phone and is not write-protected state if (En.equals (environment.media_mounted)) { try { Service.savetosdcard (filename, content); Toast.maketext (Getapplicationcontext (), "Save Success", 1). Show (); catch (Exception e) { toas

Recently, I am working on an image upload function. I need to provide the path for uploading images to the SD card. I have read some examples on the Internet. The code is very simple after debugging. The layout file is as follows: Copy codeThe Code is as follows: Android: layout_width = "fill_parent" Android: layout_he

position int, and then find image_id; Public voidOnitemclick (adapterviewintposition,LongArg3) {CR=Getcontentresolver (); String image_id= list.Get(position).Get("image_id"); string[] Projection={media._id, media.data}; Cursor Cursor=cr.query (Media.external_content_uri, projection, media._id+"="+ image_id,NULL,NULL); if(Cursor! =NULL) {Cursor.movetofirst (); Stringpath=cursor.getstring (Cursor.getcolumnindex (media.data)); LOG.I (Tag,path);}Else{Toast.maketext ( This,"Image doesn ' t exist!",

I recently made a music player and needed to add mp3 files to the SD card. The following describes how to use sdcard.The Android simulator allows us to use the disk image in fat32 format as the SD card simulation:All of the following operations are performed in windows1. Cre

Android CREATE Database call Sqliteopenhelper, generally do not directly operate Sqlitedatabase . is through Sqliteopenhelper to getpublic class Dbopenhelper extends Sqliteopenhelper {private static final int version = 1;//defines the database versionprivate static final String PATH = Environment. getExternalStorageDirectory (). GetPath ();Some don't have an SD card