Skip to main content

Get Android application version information programatically in android

Reading Android application version name and version code defined in the Manifest file programatically in android 
       
    /**
     * Method to Fetch Application Name as Defined in Manifest File
     * @returns String
     */
    public String getVersionName(){
        String versionName = "";
        try {
                versionName = getPackageManager().getPackageInfo(getPackageName(), 0).versionName;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return versionName;
    }
   
    /**
     * Method to Fetch Application Number as Defined in Manifest File
     * @returns String
     */
    public int getVersionNumber(){
        int versionNumber = 0;
        try {
            versionNumber = getPackageManager().getPackageInfo(getPackageName(), 0).versionCode;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return versionNumber;
    }

Labels

Labels:

Comments

Post a Comment

Popular posts from this blog

Launch an Android application on Bootup

If you want to start an android application on device restarts, you need to listen for BOOT_COMPLETED broadcast in the manifest file and launch the Launcher activity in onreceive of BOOT_COMPLETED broadcast receiver. Follow below steps to launch activity on device boot up :- 1. Register for Boot completed receiver in Android Manifest file. Add below Permission to receive BOOT_COMPLETED broadcast, <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" /> Register for Boot completed broadcast receiver , <receiver android:name="AppAutostartReceiver" android:enabled="true" > <intent-filter> <action android:name="android.intent.action.BOOT_COMPLETED" /> </intent-filter> </receiver> 2. Add custom Broadcast receiver in the application, public class AppAutostartReceiver extends BroadcastReceiver { @Override public void onReceive(Context cont...
Post a Comment
Read more

Working with Android Shared Preferences

          Shared preferences allows android application to save data in the form of "Key-Value" pair, shared preferences will be an , XML file which will be stored in applications internal storage space under " shared_prefs " folder under data/data/(package name of the application) . Shared Preferences won't clear data after "force close" of an application, it will get cleared only in case of user clears the application data (under settings -> apps -> clear Data) or uninstall an application. Shared preferences can be edited using SharedPreferences.Editor class. APIs to access shared preference below, getDefaultSharedPreferences()  :- Return default shared preference file which is used by PrefrenceManager in the given context. getSharedPreferences(String my_prf_name, int mode) :- Returns shared preference file of the given name. Below are  sample code snippets, 1. Saving data in to the shared preferences, //Retrieve shared prefere...
Post a Comment
Read more