transfer all data from android to iphone

For Android, passing complex types is primarily about converting its own class into a base byte array, and passing data between the activity is accomplished through intent. There are two main methods of the Android serialization object, which is to implement the serializable interface, or implement the Parcelable interface. The implementation of the serializable

How to pass data between Android two fragment Fragmenta start FRAGMENTB, do some select operation, return to Fragmenta, need to FRAGMENTB inside the selection of the data sent back. What's the solution? Fragment can not communicate directly between the two, must be done through the activity, the specific steps. 1. Define a communication interface in Fragmenta

I. Basic points of knowledge1. Transfer data between activity1) Pass basic type or stringIntent.putextra ("username", username);Getintent ();Intent.getstringextra ("username");2) transmission in the form of bundlesBundle bundle = new bundle (); Bundle.putstring ("username", username);Bundle.putstring ("password", password);Intent.putextras (bundle);Bundle bundle = Intent.getextras ();String username = bundl

1. Introduce For beginners The data transmission between different activity of Android is always a difficult problem, the main solution is to use bundle to transmit data, one is to use sharedpreferences. The difference between the two, generally speaking, sharedpreferences is used to store lightweight data, stored in

through this method when fetching the dataBook book = new book ();Book.setauthor (source.readstring ())//read from the parcel, read the data in the same order as the data written!Book.setbookname (Source.readstring ());return book;} @OverridePublic book[] NewArray (int size) {return new Book[size];}}; @Overridepublic int describecontents () {return 0;} @Override//write Parcelpublic void Writetoparcel

The core code is as follows: MainActivity. java [Java]Package com. example. lession05_dbs;Import java. util. List;Import android. app. Activity;Import android. content. Intent;Import android.net. Uri;Import android. OS. Bundle;Import android. view. Menu;Import android. view.