downloads folder android

displays 1 or 3 files. therefore, the multimedia files in the SD card will not be displayed in the Image Library. About the android. nomedia file: . Nomedia file: Images in the application are not scanned by the System Image Library. when the nomedia file is placed in any folder, all the media files (images, mp3, and videos) in the folder are hidden from the Sys

Original: http://www.cnblogs.com/wanqieddy/archive/2011/12/28/2304906.htmlDue to the need for work, today we have studied how to create folders and modify their permissions under Android, and it is necessary to understand that each application package will have a private directory (similar folder) for storing data, and only applications belonging to that package will be able to write to that directory space

Suppose the SD card folder is in/mnt/sdcard when Google comes with a simulator or a real machine debug. This is a belief that we all know.but today when debugging with Genymotion. found that the/mnt/sdcard not open the folder, at that time did not pay attention to other information. Think it is the ADB, eclipse what the problem, after restarting them still can't open, after a struggle, found an important cl

Create a folder on the SD cardpublic void Createsdcarddir () {if (Environment.MEDIA_MOUNTED.equals (Environment.getexternalstoragestate ())) {Create a Folder object that is assigned to the directory of the external memoryFile Sdcarddir =environment.getexternalstoragedirectory ();Get a path with the contents of the SDcard folder path and nameString Path=sdcarddir.

Android DDMS connection to the real machine (root), with file explore to see the Data/data folder solutionThe problem is no permission, with 360 mobile phone helper or pea pod is also invisible. The easy way is to use the RE File manager (grant root permission), set data and Data/data to 777 permissionsNote: Open with the RE manager to see the default is not 777, but can read or write or not enough.The othe

when using the real machine to develop Android, after the eclipse is connected, the default in the File Explorer is not open the Data folder of our phone, which is not open because of insufficient permissions. Here's a little trick to solve the problem. first, the test machine Root First, then install the R.E Manager (or similar software) on your phone, and then modify the access rights under/data/data and

//statement is an Android programApply plugin: ' Com.android.application 'Android {//compiling the SDK versionCompilesdkversion 21//version of Build toolsBuildtoolsversion "21.1.1"Defaultconfig {//app's package nameApplicationID "Me.storm.ninegag"minsdkversion14targetsdkversion21stVersioncode1Versionname"1.0.0" } //Java versioncompileoptions {sourcecompatibility javaversion.version_1_7 targetcompatibi

and recommended reading are based on different versions. The three patterns of the old version implement different functions, while the new version completely uses the information page as the homepage, the page code is different. 3. main_footer: This page is also very simple. The footer file is displayed with five icons. The code is image, vertical line, picture, and vertical line... However, the image here uses the radiobutton tag, which is of great interest to me. Obviously, the single-stick

Android drawable folder description, androiddrawable Some people will certainly be curious about the places where images are placed in android, such as drawable-hdpi, drawable-mdpi, and drawable-ldpi. You will surely think about which one you can store, as long as it is in drawable under the res directory in android,

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 Java.io.FileOutputStream; Import java.io.IOException; Import Java.io.InputStream; Import And

Someone will definitely be curious about the three places where images are placed on Android, such as drawable-hdpi, drawable-mdpi, drawable-ldpi, where images are placed in Android.Certainly in the mind will think, put in which all can, as long as is in the Android in the Res directory drawable in the line, the system will find itself.A friend of his heart would surely have made a man out of it. I used to

@ Page {margin: 2 cm}Pre {font-family: "dejavu sans "}P {margin-bottom: 0.21}--> Due to work needs, today we have studied how to create folders and modify their permissions in Android. We need to know that each application package has a private directory for storing data (similar to folders ), only applications of this package can write data to the directory space. The private data directory of each package application is located in the absolute path

Using the scene, there are some text files under the Assert folder that we need to read through the tool class and put into string strings, how do we do it:Directly on the code: Public Staticstring Readassertresource (context context, String Strassertfilename) {Assetmanager Assetmanager=context.getassets (); String Strresponse= ""; Try{InputStream IMS=Assetmanager.open (strassertfilename); Strresponse=Getstringfrominputstream (IMS); } Catch(IOExceptio

Due to work needs, today we have studied how to create folders and modify their permissions in Android. We need to know that each application package has a private directory for storing data (similar to folders ), only applications of this package can write data to this directory space. The private data directory bit of each package ApplicationIn the absolute path/data/The write permission of the card, but the access permission of the files under the

in which level of density levels, and then the application of the phone in the picture, it will go to hdpi down to find, and the folder of the picture as standard, That is to say, for example, my application to take a picture of aa.png, the image of the original size of 30*30, just hdpi under a picture, then this picture shows on the screen, its display size is 30px long and wide. That's the problem, but if my hdpi without this picture, and only unde

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

private static final int BUFFER = 1024 * 1024;/** * Compressed directory * * @param File * dir * @param zipoutputstream * Out * @param String * basedir */private void compress2directory (File dir, Zipoutputstream out,string Bas Edir) {if (!dir.exists ()) return; file[] files = dir.listfiles (), if (files!=null files.length!=0) {for (int i = 0; i Android file or folder compression

As we all know, when developing an android project, we need to store data in the data folder of the virtual device when it comes to data access and interaction. Previously, I learned how to upload files to devices in related books. As mentioned above, MP3 and MP4 players need to upload files to audio and video files on devices. The method is as follows: C:> ADB push C: codesamplevideo.mp4/data/samplevideo.m