view tiff files on android

In Android, we can put some data directly in the form of a file to be present in the device. For example: Some text files, PDF files, audio and video files and pictures. Android provides a way to read and write files.The standard Java file input stream (FileInputStream) is o

Go from the following articles:http://blog.csdn.net/zuolongsnail/article/details/6559338http://blog.csdn.net/xiazdong/article/details/7687439Http://www.cnblogs.com/feisky/archive/2011/01/05/1926177.html1. File storage data uses IO operations in Java to save and read files, except that Android encapsulates the acquisition of input and output streams in the context class.The created storage file is saved unde

The list of files in the SD card is displayed through ListView in Android there are two methods, one is: Through the inheritance listactivity display, the second is: use Baseadapter display. Baseadapter is a common base class adapter that provides display data for some controls, such as ListView and spinner. Here are the steps to use the Baseadapter class to display the SD card via ListView: 1.main.xml int

Android storage learning: Reading and Writing files in External Storage This section describes how to read and write files in the internal storage of a mobile phone. That is how to read and write files in Sdcard. The previous logon interface is used as an example to illustrate how to read and write

After several days of the HTTP finally finished, the test is normal, but the preliminary use case test, because the following will be modified to first save the current version of the blog. Post because of the need to import more than two package files, I used the latest httpmine4.3 found that many multipartentity related articles are early versions, some of the previous methods, although still available, but the new version has not been recommended t

);BufferedReader br = new BufferedReader (new InputStreamReader (FIS));String result = Br.readline ();Toast.maketext (Mainactivity.this,ResultToast.length_long). Show ();} catch (Exception e) {TODO auto-generated Catch blockE.printstacktrace ();Toast.maketext (Mainactivity.this,"Failed to read file",Toast.length_long). Show ();}}Write file:public void Writeinfo (view view) {File File = new file ("/data/data

1. Duplicate files copied in APK Meta-inf/license.txtandroid { packagingOptions { exclude ‘META-INF/LICENSE.txt‘ }}My Logcat:log execution failed for task ':P Rog:packagedebug '. Duplicate files copied in APK meta-inf/license.txt File 1:/home/scijoker/androidstudioprojects/progproject/prog/libs/ Httpclient-4.1.1.jar File 2:/home/scijoker/androidstudioprojects/progproject/prog/libs/httpclient-4.1

How to Use SharedPreference to save files for Android storage Learning In the last two sections, we used text files to store user information, which is obviously vulnerable. At the same time, it is difficult to manage the content in the file. Today, we learn to use SharedPreference to save. SharedPreference stores scattered data. We still use the example in the s

Pull Mode In addition to using Sax and Dom to parse XML files, you can also use the android built-in pull parser to parse XML files. The Running Method of the pull parser is similar to that of the SAX Parser. It is also triggered by events. The pull parsing method allows the application to completely control how the document is parsed. For example, to start and

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

; @Overrideprotected void OnCreate (Bundle savedinstancestate) {super.oncreate ( savedinstancestate);//Gets the color string array acolors = Getresources (). Getstringarray (R.array.colorsarray); mlayout = new LinearLayout (this);//Set layout properties Mlayout.setorientation (Linearlayout.vertICAL); Lpff = new Linearlayout.layoutparams (layoutparams.match_parent,layoutparams.match_parent); LpWW = new Linearlayout.layoutparams (layoutparams.match_parent,layoutparams.wrap_content); MLayout.setLay

view.onclicklistener{private static final String TAG = "Mainactivity"; Private Button Btnget; Private EditText etshow; Public Ipersonmanager Mipersonmanager; Serviceconnection sc = new Serviceconnection () {@Override public void onserviceconnected (componentname name , IBinder service) {log.i (TAG, "onserviceconnected:"); Mipersonmanager = IPersonManager.Stub.asInterface (service); } @Override public void onservicedisconnected (componentname name) {log.i (TAG, "Ons

1. Create the Assets folder and the Res/raw folder separately: (Note that the raw file is new under Res, and then create a folder with the name Raw)2. Create two txt files and copy them to the asset and raw folders:3. The effect of the implementation:4. Implementation code:(1) Layout file:1 XML version= "1.0" encoding= "Utf-8"?>2 LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"3 Xmlns

android-Optimizing UI Performance (5)-Optimizing Layout files1, using the View layout tool: Hierarchy ViewerThis is the tool that Android uses to watch the layout, the level viewer,It is an excellent layout optimization tool and Observation toolThe Tools folder in the SDK directory**2, using the Layout optimization tool: **lint previously called layoutopt API16 a

. Openfileinput (fileName); int len = 0;byte[] buffer = new byte[1024]; Bytearrayoutputstream Bytearrayinputstream = new Bytearrayoutputstream (); while (len = fileinputstream.read (buffer))! =-1) {bytearrayinputstream.write (buffer, 0, Len);} String string = new String (Bytearrayinputstream.tobytearray ()); LOG.D (TAG, string);} catch (FileNotFoundException e) {e.printstacktrace ();} catch (IOException e) {e.printstacktrace ();} finally {if ( FileInputStream! = null) {try {fileinputstream.close

troublesome.But Google has provided us with a dedicated access to internal storage api:getfilesdir () Create a file where the user saves the user name and password //file file = new file ("Data/data/com.demo.storage/info.txt"); Getfilesdir returns a file object whose path is: data/data/com.demo.storage/files File File = new file (Getfilesdir (), "Info.txt") ;The path to the Getfiledir is under the

("Test.txt", Mode_append); Outputstream.write ("123". GetBytes ()); } Catch(FileNotFoundException e) {e.printstacktrace (); } Catch(IOException e) {e.printstacktrace (); } finally { Try { if(OutputStream! =NULL) {outputstream.close (); } } Catch(IOException e) {e.printstacktrace (); } } Break; CaseR.id.read:Try{InputStream= Openfileinput ("Test.txt"); byte[] bytes =New byte[1024]; in

growth if(Updatecount = =0|| (Downloadcount * -/totalsize-down_step) >= updatecount) {updatecount + = Down_step; Sendmsg (Down_updata, Updatecount); } }if(HttpURLConnection! =NULL) {httpurlconnection.disconnect (); } inputstream.close (); Outputstream.close ();returnDownloadcount; }Private void sendmsg(intFlagintFactor) {Message msg =NewMessage ();Switch(flag) { CaseDown_begin://Start CaseDown_finish://Completed CaseDown_error://Failure

1. problem: when the android comes with database SQLite data read (DDMS---data----data----yourprojectname----databases), The catalog does not open when you click Data. The data in the database table cannot be viewed. 2. method: First get root permission, how to get root permission? I downloaded a one-click Root tool, very useful(Muzisoft.exe) installed on the computer and connected to the phone. Click on the root of a button, wait a few minutes.3. Mod

1. Use the mksdcard command to create a 128 m sd card image named sdcard. IMG (m must be capitalized.Mksdcard 128 M sdcard. img2. Copy sdcard. IMG to D: \ projects2 and set the startup parameters in the run configuration dialog box in eclipse.-Sdcard D: \ projects2 \ sdcard. imgIn this way, the SD card is available.3. add content to sdcardADB push E: \ Xunlei \ give.mp3/sdcard/give.mp3.4. Read and Write files in the ApplicationNote: If you want to wri