android move data to sd card

. Android_secure is the product of the official app2sd. After deletion, the software installed on the SD card cannot be used. There are a lot of. ASEC files, which are software installed on the SD card, but they are usually installed in the SD card.ProgramThe. android_secure

Sometimes, when the program reads and writes external data, the SD card status needs to be monitored to prevent exceptions. We can use registration broadcast for the SD card status. The following is a classic example in the document; // Listen to sdcard status broadcast bro

In activityaction, there is a "action_get_content" String constant, which allows users to select a specific type of data and return the URI of the data. we can use this constant and set the type to "image/*" to obtain all images in the Android mobile phone. Main. xml: Android: Orientation = "vertical"

Android-system information (memory, cpu, SD card, power, Version)The total memory size of memory (ram) android is stored in the system's/proc/meminfo file. You can read this file to obtain this information: copy the code public void getTotalMemory () {String str1 = "/proc/meminfo"; String str2 = ""; try {FileReader fr

This article describes the Android programming method for reading local SD card images. Share to everyone for your reference, specific as follows: Private Bitmap Getdiskbitmap (String pathstring) { Bitmap Bitmap = null; Try { File File = new file (pathstring); if (file.exists ()) { bitmap = Bitmapfactory.decodefile (pathstring); }

/** * Save Bitmap to a file. Saves the picture to the SD card. * * @param bitmap * @param file * @return error message if the saving is failed. Null if the saving is * successful. * @throws IOException */public static void Savebitmaptofile (Bitmap Bitmap, String _file) throws Ioexcep tion {//_file = /** * Get SDK Path * @return */public static String Getsdpath () { File sddir = null; Boole

Read event binding Listener Read.setonclicklistener (new Onclicklistener () {public void OnClick (View v) {edit2.settext (read ());}});} Public String Read () {if (Environment.getexternalstoragestate (). Equals (environment.media_mounted)) {File Sdcarddir = Environment.getexternalstoragedirectory (); try {fileinputstream fis = new FileInputStream (sdcarddir.getcanonicalpath () + file_name); BufferedReader br = new BufferedReader (new InputStreamReader (FIS)); StringBuilder sb = new StringBuilde

Copy files from the Android Project Assets folder to the SD card

Android files saved to the app and SD card

(); Fos.close (); Toast.maketext (circleshareactivity.this, "screenshot file saved to sdcard/andydemo/screenimage/", Toast.length_long). Show (); }} catch (Exception e) {e.printstacktrace (); }}/** * get SDcard folder path function * @return */private String Getsdcardpath () {File Sdcarddir = n Ull Infers whether SDcard exists as a Boolean sdcardexist = Environment.getexternalstoragestate (). Equals (Android.os.Environment.MEDIA_MOU NTED);

two different ways:First, the window interface operation1. Open DDMS page2. Open the File Explorer page, if not, at window---Show View-->file Explorer3, generally in mnt--sdcard4. In SDcard, click on the destination folder where you want to put the file, such as mp3 folder5, click on the folder, on the right side of the File Explorer page, there are two icons, one is pull, one is Push,pull will be mp3 inside the file pulled out, push is the outside, such as the files on the hard drive into the M

Android storage location is not in the selected "SD card", androidsdModify the saveImageInBackgroundTask method of GlobalScreenshot. java: String imageDir = Environment. getExternalStoragePublicDirectory (Environment. DIRECTORY_PICTURES). getAbsolutePath ();1. Modify JB2 to String imageDir = StorageManager. getdefapath path () + '/' + Environment. DIRECTORY_PICTU

I recently studied Android and found many bugs in the latest version 4.0.3. I am sorry that the "Google input method has stopped running" camera device has stopped running and so on, so I switched to 2.2 for learning! Occasionally, you need to drop the file into the SD card for an instance during learning. The following figures can be used to complete this operat

Need to quickly extract pictures and video thumbnails to directly access Android.provider.MediaStore.Images.Thumbnails And android.provider.MediaStore.Video.Thumbnails These two databases, you can query the thumbnail. How do you judge a document? You can traverse the database by cursor, comparing the value of the Internal_content_uri field, which is a URI that holds the full path to the multimedia file on the Android phone's

Package Com.wenhao.test.sddemo;import Java.io.file;import android.app.activity;import android.os.Bundle;import Android.os.environment;import Android.view.view;import Android.view.view.onclicklistener;import Android.widget.button;import Android.widget.Toast; Public classMaindemo extends Activity {/** Called when the activity is first created.*/ PrivateButton Button =NULL; PrivateFile Path; @Override Public voidonCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);

This example for you to share the simplest SD card file traversal procedures for your reference, the specific content as follows Package Com.wenhao.test.sddemo; Import Java.io.File; Import android.app.Activity; Import Android.os.Bundle; Import android.os.Environment; Import Android.view.View; Import Android.view.View.OnClickListener; Import Android.widget.Button; Import Android.widget.Toast; The pu

public void parseapk (context context, String Apkfilepath) { Packagemanager Packagemanager = Context.getpackagemanager (); PackageInfo PackageInfo = Packagemanager.getpackagearchiveinfo (Apkfilepath, 0 ); if (PackageInfo! = null ) {packageInfo.applicationInfo.sourceDir = Apkfilepath; PackageInfo.applicationInfo.publicSourceDir = Apkfilepath; String name = PackageInfo.applicationInfo.loadLabel (Packagemanager). toString (); String PackageName = packageinfo.pa

Package Cc.c;import Java.io.file;import Java.util.list;import android.os.statfs;import java.io.FileReader;import Java.io.ioexception;import Java.io.bufferedreader;import Android.os.environment;import Android.content.Context; Import Android.app.activitymanager;import Android.app.activitymanager.memoryinfo;import Android.app.activitymanager.runningappprocessinfo;public class Storageutil {private static final int ERROR = -1;public static int save_dir = 1;//Determine if

The following is a tool class. It uses recursion to scan the APK file on the SD card to determine whether the application has been installed on the mobile phone. If so, it determines whether the application can be upgraded. DetailsCodeAs follows: /*** Obtain the APK File Information class on the mobile phone, mainly to determine whether or not to install it on the mobile phone, the installed version

+ "/" +filename,dir+filename+ "/");}Continue}File OutFile = new file (Mworkingpath, fileName);if (Outfile.exists ())Outfile.delete ();InputStream in =null;if (0!=assetdir.length ())in = Getassets (). Open (assetdir+ "/" +filename);Elsein = Getassets (). open (FileName);OutputStream out = new FileOutputStream (outFile); Business Account RecoveryTransfer bytes frombyte[] buf = new byte[1024];int Len;while (len = In.read (buf)) > 0){Out.write (buf, 0, Len);}In.close ();Out.close ();}catch (FileNotF