how to access backup files on android

; Randomaccessfile fos = null; byte[] buf = new Byte[buffer_size]; URLConnection con = null; try {con = url.openconnection (); Con.setallowuserinteraction (TRUE); Set the current thread download start point con.setrequestproperty ("Range", "bytes=" + startposition + "-" + endposition); LOG.I ("BB", Thread.CurrentThread (). GetName () + " Bytes= "+ startposition +"-"+ endposition"; Random Read and write to

, the/data/data/[package name]/files. But open the DDMS, found the data directory point, no display content. This means that there is no permission to access this directory.2, find the terminal under as, enter the ADB shell, and then assign permissions to the data directory. Using the command chmod 777/data, the result shows that the command is terminated, which means that no permissions are executed.3. Use

If you want to do the title function, you need to open the project directory build_native.sh(Notepad or editing software open)Locate the Create Assets file" $APP _android_root "/assetsThen write the following code:#将工程下的sdk/orderorder.lua copied to assets/script/"$APP _android_root " under the project $APP _android_root "/assets/script/pay#Copy the SDK/client_txt.xml under the project to the project assets/data/xml/"$ App_android_root""$APP _android_root"/assets/data/xml/gameui(The above mention

Usually we need to store on the phone for audio, video and so on large files, previously learned to use file for storage (using the file operation to store); Because of the small storage space of the phone itself, we need to store the file in SDcard, Today I also learned how to use the SDcard storage in Android; First, if you want to use SDcard for storage in your program, we have to do the following permi

//file file = new file ("Sdcard/info.txt"); /* MEDIA_CHECKING:SD card is being prepared * MEDIA_MOUNTED:SD card is already mounted and reading and writing access * media_removed: No SD card * Media_ UNKNOWN: Unrecognized SD card * MEDIA_UNMOUNTED:SD card exists but not mounted * */ if (Environment.getexternalstoragedirectory (). Equals (environment.media_mounted)) { File File = new file (Environment.getexternal

The project contains a number of third-party libraries with so files, with different supported platforms. When the app crashes on the 5.0 system, it is discovered that some third-party libraries of x86-64 so files are not installed.Look at the official website of the Abimanager, it seems to write not clear enough. During the process, it was found that a note accompanying the Carrier Pigeon SDK was an easy w

in order to better in response to network access, recently learned a bit okhttp, feel very convenient to use, first to use okhttp, need to import Okhttp-x.x.x.jar in the project Okhttputils-x_x_x.jar Okio-x.x.x.jar These three jar packages, the following is the Android side and server-side key code: private void Uplodeimage (file mfile) {//mfile A real existing picture file if (!mfile.exists ())

Package COM. wirelessqa. helper; import Java. io. fileinputstream; import Java. io. fileoutputstream; import Java. io. inputstream; import Org. apache. HTTP. util. encodingutils; import android. app. activity; public class fileaccess extends activity {/*** 1. File Access in a private folder (/data/package name/files) ** @ Param filename * @ Param message */Public

Environment: 1. system: window72.android version: 2.23.eclipse3.5.2 (Galileo) I. Basic flowchart (writing files) II. simulator running interface 1. main Interface 2. save (non-conforming) 3. save normally 4. read files 5. editor 3, Code 1. save the main code of the file. Save the main code 1 bsave. setonclicklistener (new view. onclicklistener () {2 3 @ override

When the Android system is started, it will automatically detect the SD card files and collect music files to generate a database file. We only need to access the information in the database table to obtain the required File Code as follows: Obtain the cursor object to access