gistfile1.java

package com.example.testap;

import android.os.Bundle;
import android.provider.MediaStore;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.view.Menu;
import android.view.View;
import android.widget.Button;

public class MainActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		Button btn = null;
		btn = (Button)findViewById(R.id.button1);
		
		btn.setOnClickListener(new View.OnClickListener() {
			
			@Override
			public void onClick(View v) {
				Intent intent = new Intent();
				intent.setAction(Intent.ACTION_GET_CONTENT);
				intent.setType("audio/*");
				//intent.addCategory(Intent.CATEGORY_APP_MUSIC); 이건 ACTION_MAIN으로 지정해야 사용가능하다
				
				Intent chooser = Intent.createChooser(intent, "cho");
				startActivity(chooser);
				
			}
		});
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}