1. <uses-permission android:name="android.permission.READ_CONTACTS" />  
2. <uses-permission android:name="android.permission.WRITE_CONTACTS" /> 

public class ContactTest  {	public  void testInsert(Context context) {			readfile s = new readfile();		ArrayList
     
       List = (ArrayList
      
       ) s.readFromFile(context);//		System.out.println("1222"+arr.length);		for(int x = 0;x