alhazmy13

//==============================================================
// Binary To String 
//==============================================================
    public static String int2str( String s ) {
        String[] ss = s.split( " " );
        StringBuilder sb = new StringBuilder();
        for ( int i = 0; i < ss.length; i++ ) {
            sb.append( Character.toString((char)Long.parseLong( ss[i], 2 ) ));
        }
        return sb.toString();

alhazmy13

    public int getNextID() {
        return mRealm.allObjects(YOUR_CLASS).size() > 0 ? realm.where(YOUR_CLASS).max("id").intValue() + 1 : 0;
    }

alhazmy13

If you don't have any problem in loosing your old data then you can delete Realm Configuration and create new one.
-------------------------------------------------------------------------------
Realm realm = null;
 try {
     realm = Realm.getInstance(MainActivity.this);
  } catch (RealmMigrationNeededException r) {
    Realm.deleteRealmFile(MainActivity.this);
    realm = Realm.getInstance(MainActivity.this);
}
-------------------------------------------------------------------------------

alhazmy13

1. create assets folder in src under your app name.
2. In this assets folder keep your pdf files  e.g. file.pdf.
3 now come your activity i.e  MainActivity.java
4. setListener on any UI component what you want i.e (Button,ImageView,ImageButton);
5. In this listener call one user defined method i.e. openPDFFiles("file.pdf");
the openPDFFiles() method have below code:—-


 private void openPDFFiles(String fileName) //fileName is the pdf file name which is keep in assets folder. ex file.pdf
	{

alhazmy13

# Built application files
*.apk
*.ap_

# Files for the Dalvik VM
*.dex

# Java class files
*.class