how to save voicemail to sd card android

. Android_secure is the product of the official APP2SD, and after the deletion of the software installed in the SD card will not be used. There are so many. asec files are installed on the SD card software, but generally installed in the SD

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

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

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

); Intentfilter.addaction (INTENT.ACTION_MEDIA_NOFS); Intentfilter.addaction (Intent.action_media_button); Intentfilter.addaction (Intent.action_media_scanner_scan_file); Intentfilter.adddatascheme ("file"); Registerreceiver (Broadcastrec, intentfilter);} Private final Broadcastreceiver Broadcastrec = new Broadcastreceiver () {@Override public void onreceive (Context Context, Intent Intent) {String action = intent.getaction (); LOG.D ("mediaaction", action); if (Action.equals

each time through the output stream to the SD card to write files, connected to the computer, using MTP to simulate a mobile disk, open the disk but there is no such a file, and the way to see through the ADB, the cause of this phenomenon is that after each write, the MTP database is not updated, Because the update of the MTP database requires a large price ratio, so only in the restart, mount and the user

each time through the output stream to the SD card to write files, connected to the computer, using MTP to simulate a mobile disk, open the disk but there is no such a file, and the way to see through the ADB, the cause of this phenomenon is that after each write, the MTP database is not updated, Because the update of the MTP database requires a large price ratio, so only in the restart, mount and the user

Each time through the output stream to the SD card to write files, connected to the computer, using MTP to simulate a mobile disk, open the disk but there is no such a file, and the way to see through the ADB, the cause of this phenomenon is that after each write, the MTP database is not updated, Because the update of the MTP database requires a large price ratio, so only in the restart, mount and the user

= Environment.getexternalstoragestate ();if (State.equals (environment.media_mounted)) {File root = Environment.getexternalstoragedirectory ();File TargetDir = new file (Root,super.getpackagename ());if (! Targetdir.exists ()) {Targetdir.mkdir ();}try {Oos = new ObjectOutputStream (new FileOutputStream (New File (TargetDir, "yxl.txt"));Student Student = new Student ("Xiaoming", 18);Oos.writeobject (student);Toast.maketext (Getapplication (), "Write succeeded", Toast.length_short). Show ();} cat

When we do Android development, we often have this experience, because the customer's device models are different, resulting in a variety of problems, but for developers, because there is no log log files, it is not easy to locate the exact location of the problem. So we need a tool that can write the program log to the SD card file, like the Web log4j. At this t

static final int least_size_of_sdcard = ten * MB; /** get picture from cache **/public static Bitmap getImage (final string imageUrl) {final string path = Getcachedirectory () + "/" + converturltofilename (IMAGEURL); LOG.I (TAG, "GetImage filepath:" + path); LOG.I (TAG, "GetImage URL:" + URL); File File = new file (path); if (file.exists ()) {//LOG.I (TAG, "GetImage file exists"); Bitmap bmp = null; try {//width becomes 1/3 of the original. High also becomes 1/3

This article describes how to save the image resources of android Assets to the SD card. If you are interested, refer to the following:Copy codeThe Code is as follows: Public class ReadBitmap {Public void readByte (Context c, String name, int indexInt ){Byte [] B = null;Int [] intArrat = c. getResources (). getIntArray

This article for everyone in detail under the Android Read assets picture resources to save the specific implementation of SD card, interested members can refer to Ha, I hope to help you have copy code code as follows: public class Readbitmap { public void ReadByte (context C, String name, int indexint) { byte[] b

RAM: Run-time memory. Equivalent to the memory storage of the PC, used to store various objects and variable constants when the application runs, the main role is to improve the speed of operation. Is the only memory that the data clears after a power outage.Body Memory: Equivalent to PC hard drive. It consists of three areas: ROM, internal memory and external memory.ROM: Read-only memory. This section of the file can only be read, non-erasable, such as the PC C drive below some of the system fi

When you save the picture after opening gallery, some will automatically refresh you, some do not, so that the picture saved to the SD card, not in time to see in gallery, encountered this situation is best to refresh themselves. Full SD card scanning via intent.action_medi

The first step is to increase the access rights of the SD card in Androidmanifest.xmldoes the SD card existPrivate Boolean Existsdcard () { if (android.os.Environment.getExternalStorageState (). Equals ( Android.os.Environment.MEDIA_MOUNTED) { return true; } else return false; }

= "error") {toast. maketext (mainactivity. this, "reading failed! ", Toast. length_short). Show (); show. settext (" reading failed! "); Return;} Show. settext (" read successful: "+ Str); toast. maketext (mainactivity. This," read successful! ", Toast. length_short ). show () ;}}); write. setonclicklistener (New onclicklistener () {public void onclick (view v) {string STR = show. gettext (). tostring (); If (writesdcard (STR) = true) {toast. maketext (mainactivity. this, "Write successful! ",

Android newest mobile phone internal storage size, SD card storage size Method We used to obtain this information in the past. // Before Android API18: fs. getAvailableBlocks () * fs. getBlockSize () Currently: /** Obtain available system memory **/@ SuppressLint ("NewApi") private String getMemFree () {S

1. Get the directory of the storage device:/sdcard (generally) Sdpath = environment. getexternalstoragedirectory () + "/";2. Determine whether the folder on the SD card exists: Use the exists () method of the file object./*** Determine whether a file already exists;*/Public Boolean checkfileexists (string filepath ){File file = new file (sdpath + filepath );Return file. exists ();}3. Create a directory on t