view sd card on android

This article is an example of how Android determines whether an SD card is mounted or not. Share to everyone for your reference. Specifically as follows: Provides a listener method Broadcastreceiver setting Intentfilter as: intent.action_media_mountedIntent.action_media_ejectIntent.action_media_removed You can then implement your startup logic in the public vo

folder is the same as the res folder. Then change the microlog. properties file to the following: Microlog. Level = debugMicrolog. appender = logcatappender; fileappenderMicrolog. formatter = patternformatterMicrolog. formatter. patternformatter. pattern = % C [% P] % m % t 5. Write log records Logger. debug ("this is debug information "); 6. Add SD card write permission in androidmanifest. xml

Directly on the code:Package Com.example.callstatus;import Java.io.file;import Java.io.filewriter;import java.io.ioexception;import Java.io.printwriter;import Java.io.stringwriter;import Java.net.unknownhostexception;import Java.text.simpledateformat;import Java.util.date;import Android.annotation.suppresslint;import Android.os.environment;import android.util.log;/** * Android Development Debug Log Tool class [support save to

. 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

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

Mobile phone storage and SD card of all storage devices mounted to Android devicesObtain all memory attached to an Android device The android system provides Environment. the getExternalStorageDirectory () interface obtains the path of the storage. However, this interface do

This example mainly implements Android to get the data in the Assets folder and write it to the SD card, which is mainly to read the database in the Assets folder and write it to the SD memory card. The complete sample code is as follows: Import Java.io.File; Import Ja

. uri; import android. OS. bundle; import android. provider. mediastore;/*** @ classname: androidtestactivity * @ Description: Set a background music for this activity. * @ author jogging Android * @ date 2011-11-22 04:12:00 */public class Andro Idtestactivity extends activity {private mediaplayer; private final URI musictableforsd = mediastore. audio. media. ext

Android determines whether the mobile phone has an SD card or USB. Static judgment, androidsd The determination of SD card is divided into static and dynamic, Dynamic Registration of broadcast, many people are writing online, so I will not elaborate too much here. For this s

Back to SD card pathpublic static listStorageManager sm = (StorageManager) context.getsystemservice (Context.storage_service);listFile exdirfile = Environment.getexternalstoragedirectory ();String externalstoragedir = "";if (exdirfile! = null) {Externalstoragedir = Exdirfile.getabsolutepath ();}try {String[] paths = (string[]) Sm.getclass (). GetMethod ("getvolumepaths", null). Invoke (SM, null);if (paths!

(); 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, 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

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 InputStreamReade

Under the cmd command line, enter the Platform-tools directory. 1. Create SDcard mksdcard-l Mycard 256M E:\android\myCards\mysdcard.img This creates a virtual image of an SD card in this directory.Where the-l command-line parameter represents the volume label of the virtual disk. 256M is the size of the virtual sdcard created, between 9m-1023m 2. Activating sdcar

Starting point:Traditional game simulators (FC, Neo, FBA, GBA, Mame, n64, NDS, and PSP) are all moved to Android phones, the game Rom is then saved to the SD card and run through the simulator. However, considering that mobile games must follow the fast forward and fast forward principles, I have implemented the following micro-innovations on this basis: 1. direc

Android 4.4 and later systems have read and Write permission restrictions on level two external storage devices, resulting in applications that may not be able to read and write external SD cards, and the following methods can be lifted.1, root system.2. Install the RE manager.3. Use the RE manager to modify the "Platform.xml" file in the "/system/etc/permissions" directory, locate the following label and a

Steps1Get the path to the SD cardFile root =environment.getexternalstoragedirectory ();2Determine the path to the file to be writtenString path =root.getabsolutepath () + "/test2" + "/TEST3";3and turn the path into file.File file =new file (path);4 Creating a DirectoryFile.mkdir ();5 write the specified file in the specified directory aboveFile File1 = new file (file, "Test.png");Be sure to pay attention to the difference between path and file, and mu

Directly on the code:Package Com.example.callstatus;import Java.io.file;import Java.io.filewriter;import java.io.ioexception;import Java.io.printwriter;import Java.io.stringwriter;import Java.net.unknownhostexception;import Java.text.simpledateformat;import Java.util.date;import Android.annotation.suppresslint;import Android.os.environment;import android.util.log;/** * Android Development Debug Log Tool class [support save to