小编Yas*_*sir的帖子

package com.VRG;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import android.app.Activity;
import android.content.Context;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

public class Practice extends Activity {
    MediaPlayer mp;
    private Integer prac_sounds[] = { R.raw.cow, R.raw.camel, R.raw.dog,
            R.raw.donkey, R.raw.elephant, R.raw.horse, R.raw.lion, R.raw.rhino,
            R.raw.sheep, R.raw.wolf, R.raw.crow, R.raw.dove, R.raw.duck,
            R.raw.eagle, R.raw.owl, R.raw.parrot, R.raw.rooster, R.raw.cuckoo,
            R.raw.peocock, R.raw.sparrow };

    /** Called when the activity is first created. */

    // …

我开发了一个应用程序,我将在Android Market上发布它.但我需要指出,某些特定国家/地区只能下载我的应用程序.我怎样才能做到这一点..？感谢帮助大家.请尽快回复此问题.