android-basic-needed-functions

Collection of basic needed functions required for android app development

1. disableTouch(Window window)
   Use this function to disable touch on any activity in android.
   Pass "Window" object of the activity
   

2. enableTouch(Window window)
   Use this function to enable touch once you have disabled using above function
   Pass "Window" object of the activity
   

3. isValidEmail(String email)
   Pass your email string to function
   Function returns true/false
   

4. md5(final String s)
   Pass string to be converted to md5 hash
   Function returns md5 hash
   

5. viewVisible(View... views)
   Pass mutliple views seperated by comma to function (Eg: viewVisible(textView, button, editText);
   Return void, change visibility of all views to VISIBILE
   

6. viewHidden(View... views)
   Pass mutliple views seperated by comma to function (Eg: viewHidden(textView, button, editText);
   Return void, change visibility of all views to GONE
   

7. viewInvisible(View... views)
   Pass mutliple views seperated by comma to function (Eg: viewInvisible(textView, button, editText);
   Return void, change visibility of all views to INVISIBILE
   

8. generateMacId(Context context)
   Pass activity context to function
   Return macId of device
   

9. createHorizontalRecyclerView(Context context, RecyclerView... recyclerViews)
   Pass activity context and recyclerViews seperated by comma
   Return void, changes all recyclerView layout to Horizontal
   

10. startProgressDialog(ProgressDialog dialog, int resourceId)
    Pass ProgressDialog and resourceId (Drawable) to use as progressDialog layout
    Return void, starts showing progress dialog with transaparent background and custom view
    

11. stopProgressDialog(dialog)
    Pass dialog to function
    Return void, stops the dialog
    Note: Pass only dialog which is already running
    

12. formatDateTime(String date, String fromFormat, Strint toFormat)
    Pass your DATE in string format, Current format of DATE String (Eg: dd-MMM-yyyy HH:MM), Required Format of Date string (Eg: dd MM yyyy)
    Return date string in required format
    Note: Can be used for TIME also
    

13. convertFiletoBitmap(File file)
    Pass ImageFile to function
    Return Bitmap
    Note: Default dimension is 200x200 you can change it as per your needed
    

14. setupTabTitleFont(final Context mContext, final TabLayout tabLayout)
    Pass Activity Context and TabLayout (TabLayout should contain tabs)
    Return void
    You will get TextView from Tab for custom styling of textView
    Note: All styling needs to be done in this function itself
    

15. rotateImageView(ImageView iv, float degree)
    Pass ImageView and Rotation degress
    Return void, rotate ImageView to required degrees
    

16. setCustomRatingBarColor(Context mContext, RatingBar rbRating, int colorId)
    Pass Context, RatingBar, ColorID (R.color.colorName)
    Return void
    Changes RatingBar color to color
    Note: Does not work for all AndroidOS version. Works for 5.0+, not tested with below 5.0
    

17. generateFacebookLoginKey(Context mContext)
    Pass Context
    Return void
    Logs FaceBook hashKey in console
    

18. encodeToBase64(Bitmap image)
    Pass Bitmap
    Return base64 string
    

19. decodeBase64(String base64)
    Pass base64 string
    Return bitmap
    

20. isAppInstalled(String packageName, Context context)
    Pass App Package Name and Context
    Returns boolean true/false
    

21. convertFiletoBitmap(File file); Pass image file Returns centre crop square bitmap image

Stay Tuned for more functions

SharedPreferences Handler

Use SharedPrefs file for SharedPrefs storing and fetching

1. Store and fetch String, Integer, Boolean, Float value to and from SharedPreferences
   
2. Remove Data from SharedPreferences for particular key
   
3. Clear Complete SharedPreferences
   
   

Note: Change app_name to your app package name in sharedPrefs file