how to view pdf files on android

Small Partners for Android development. Presumably when you create a project, you have to worry about which files of project you need to commit git version number control. Deep fear that some files are submitted for updates that affect other members of the team. In particular, some of the temporary compilation of the build file to submit, was the team leader scol

Have not understood the specific role of some files in the development of Android, and later used, the specific study, a reference to the information on the Internet, the final summary, easy to view later!The old version of a file default.properties, since it is the old version, has been eliminated, no longer delve into.While the new version of ADT creates the pr

it. The text box is the system defaultTextView TV =(TextView) Convertview.findviewbyid (Android. R.ID.TEXT1); Tv.settext (Objects[position]); Tv.settextsize (18);//The setting of display text is implemented herereturnConvertview; } @Override PublicView GetView (intposition, View Convertview, ViewGroup parent) { //This function modifies the size of the font displayed on

the download task information.Setfilterbyid (Long ... ids): Query download task information based on task numberSetfilterbystatus (int flags): Download task based on download status query　　Here's how to use it:Private voidQuerydowntask (Downloadmanager Downmanager,intstatus) {Downloadmanager.query Query=NewDownloadmanager.query (); Query.setfilterbystatus (status); Cursor Cursor=downmanager.query (query); while(Cursor.movetonext ()) {String Downid=cursor.getstring (Cursor.getcolumnindex

Android Webview selects to load local js, css and other resource files when loading external html When using WebView to load web pages, some fixed resource files such as js jquery packages, css, images, and other resources will be relatively large, loading directly from the network will lead to slow page loading and consume a lot of traffic. Therefore, these

database file here.. Res/raw can not have a directory structure, and assets can have a directory structure, that is, assets directory can be set up folder-----------------------------------------------------------------------------------In many cases, we need to access the resources files in Android, these resource files are mainly divided into two categories, o

Usually we need to store large files on the phone like audio, video and so on, previously learned to use file for storage (using file operation to store); Due to the small storage space of the phone itself, this time we need to store the files in the SDcard, and today we also learned a bit on Android The method of storing and using SDcard;First, if you want to us

On the internet to find a lot about so into the Android method, here is the simplest code of the least! ~Create a Jnilibs folder within App>src>main in Project view and place all so files in this folderThen insert the following code within the curly braces of the android{} in the Gradle scripts>build.gradle file under

files within the internal storage space even if they follow the step-by-step root.So how does it come true? A simple to ridiculous approach (get this is the security of the Android System vulnerability), in the code, we can access, read things inside the storage space, can also read and write the SD card and other external storage space (to add the appropriate permissions), then we can through the method o

How does Android find appropriate resource files based on the delimiter? Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992 This article mainly introduces how the Android system filters and selects resource folders based on certain rules when we use a qualifier to modify resource folders, such as drawable-en-ldpi. This article is not a

I call it?Browser.addjavascriptinterface (This, "Android"); Browser is the WebView object.On the page UploadFile () is a method of the called activity, which essentially opens the selection dialog, the same process as the first method. Just return the file path and upload it yourself.The new version of Android system is ready, and there is a problem: in android2.3 and other versions have a bug, the method

The apk file can contain only one androidmanifest.xml file, but the Android studio project may contain multiple files (introduced via BUILDSRC, imported libraries). Therefore, when building an app, the Gradle build merges all the manifest files into a single encapsulated apk manifest file.Manifest file Consolidation PriorityInventory Merge Tool You can u