extends Activity implements OnClickListener : Activity « UI « Android

1. Android
2. UI
3. Activity

extends Activity implements OnClickListener

      

import java.io.File;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class Test extends Activity implements OnClickListener {

  Button playButton;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    playButton = (Button) this.findViewById(R.id.Button01);
    playButton.setOnClickListener(this);
  }

  public void onClick(View v) {
    Intent intent = new Intent(android.content.Intent.ACTION_VIEW);

    File sdcard = Environment.getExternalStorageDirectory();
    File audioFile = new File(sdcard.getPath()
        + "/Music/a");

    intent.setDataAndType(Uri.fromFile(audioFile), "audio/mp3");
    startActivity(intent);
  }
}
//main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<Button android:text="Play Audio" android:id="@+id/Button01" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
</LinearLayout>

   
    
    
    
    
    
  

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