1 package com.example.neon; 2 3 import android.app.Activity; 4 import android.os.Bundle; 5 import android.widget.TextView; 6 7 public class HelloNeon extends Activity 8 { 9 /** Called when the activity is first created. */ 10 @Override 11 public void onCreate(Bundle savedInstanceState) 12 { 13 super.onCreate(savedInstanceState); 14 /* Create a TextView and set its content. 15 * the text is retrieved by calling a native 16 * function. 17 */ 18 TextView tv = new TextView(this); 19 tv.setText( stringFromJNI() ); 20 setContentView(tv); 21 } 22 23 /* A native method that is implemented by the 24 * 'helloneon' native library, which is packaged 25 * with this application. 26 */ 27 public native String stringFromJNI(); 28 29 /* this is used to load the 'helloneon' library on application 30 * startup. The library has already been unpacked into 31 * /data/data/com.example.neon/lib/libhelloneon.so at 32 * installation time by the package manager. 33 */ 34 static { 35 System.loadLibrary("helloneon"); 36 } 37 } 38
