app to edit pdf files on android

="Android.intent.action.MAIN" /> category android:name="Android.intent.category.LAUNCHER" /> intent-filter> activity-alias> Code:[Java]View Plaincopy Private void SetIcon (String activity_alias) { Context CTX = Myapplication.getcontext (); Packagemanager pm = Ctx.getpackagemanager (); Activitymanager am = (activitymanager) ctx.getsystemservice (Activity.activity_service); //enable/disable activity-aliases Pm.setcomponentenabledsetting ( New ComponentName (CT

Most apps open PDF files by intent The tool that opens the PDF file on your phone to view the PDF file, and if the requirement is that the user has downloaded the pdf file in the app, it will not be opened locally via a third-part

about the idea of converting a PPT file to a PDF file on the server and then reading the PDF file from the phone. One of the many PDF resolutions on the Android platform is the open source framework vudroid, which allows you to read PDF

Open the suffix. apk file, that is, start the installer;Apkfilepath file path public void installapk (String apkfilepath) { //create URI uri uri = uri.fromfile (new file Apkfilepath)); Intent Intent = new Intent (intent.action_view); Set the URI and type intent.setdataandtype (URI, "application/vnd.android.package-archive"); Perform installation mcontext.startactivity (intent); } /** * Open multiple types of

[Android development experience] What Should cached files of an APP exist? After reading this article, you should be clear about it. androidapp Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992 As long as it is an APP that requires online data retrieval, cache

============ Problem Description ============After Android installs the app, can you get the files in the Meta-inf directory of the package?After installing the app on the phone and then opening the app, does the SDK in the app ha

These two days encounter a little problem, make a record:Symptom: Run, debug when reported: Unable to execute dex:multiple Dex files define error, after the release of the app installed to the phone after the run, prompted: "Program name has been stopped";Workaround:1, Project->properties->java build Path->order and Export, remove: Android 4.3.1 and

Today, when I wrote the program, my Android Studio suddenly compiled the error (the error is as follows:) and then after my several times to find out that every time you have to clear project and then build on it, if you build the second time to error. Then I found the strongest teacher (Google) to try to solve! Unfortunately, what I see on Google is the solution on eclipse. Didn't find the answer I wanted, do I have to clear project every time I buil

Android files saved to the app and SD card

[Author] Zeng jiansheng [Author mailbox] zengjiansheng1@126.com [Author's QQ] 190678908 Author MSN zengjiansheng1@hotmail.com [Author's blog] blog.csdn.net/newjueqi **************************************** *************************************** In Android client programming (especially SNS clients), you often need to implement the registration function Activity. You need to enter the user name, password, email address, and photo before registering.

multimedia database. For the delete operation, you can perform the deletion through the content provider direct operation Multimedia database, the reference code is as follows: if(File.isfile ()) {String FilePath=File.getpath (); if(Filepath.endswith (". mp4")){ intres =context.getcontentresolver (). Delete (MediaStore.Video.Media.EXTERNAL_CONTENT_URI, Mediastore.audi O.media.data+ "= \" "+ filepath+" \ "", NULL); if(res>0) {file.delete (); }Else{log.e (TAG,

[] data = bos.toByteArray();fis.close();bos.close();return new String(data);} catch (Exception e) {e.printStackTrace();}returnnull;}/*** @desc 将文本内容保存到sd卡的文件中* @param context* @param fileName* @param content* @throws IOException*/public static void saveToSDCard(Context context, String fileName, String content) throws IOException{File file = new File(Environment.getExternalStorageDirectory(),fileName);FileOutputStream fos = new FileOutputStream(file);fos.write(content.getBytes());fos.close();}/**