あるサウンドが既に再生されていて、別のサウンドがクリックされた場合、前のサウンドの再生が停止し、新しく選択されたサウンドが開始されるようにするにはどうすればよいですか? 事前にご協力いただきありがとうございます。(これはすべてのコードではなく、最も重要なコードです)
public class newBoard extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.main);
Toast.makeText(this, "Thank you for using this App.", Toast.LENGTH_LONG).show();
// ads - load request to display
AdView layout = (AdView)this.findViewById(R.id.adView);
// ads - load display with an ad
AdRequest adRequest = new AdRequest();
adRequest.setTesting(true);
layout.loadAd(adRequest);
// import sound files
final MediaPlayer sound01 = MediaPlayer.create(this, R.raw.sound01);
final MediaPlayer sound02 = MediaPlayer.create(this, R.raw.sound02);
final MediaPlayer sound03 = MediaPlayer.create(this, R.raw.sound03);
final MediaPlayer sound04 = MediaPlayer.create(this, R.raw.sound04);
final MediaPlayer sound05 = MediaPlayer.create(this, R.raw.sound05);
final MediaPlayer sound06 = MediaPlayer.create(this, R.raw.sound06);
final MediaPlayer sound07 = MediaPlayer.create(this, R.raw.sound07);
final MediaPlayer sound08 = MediaPlayer.create(this, R.raw.sound08);
final MediaPlayer sound09 = MediaPlayer.create(this, R.raw.sound09);
final MediaPlayer sound10 = MediaPlayer.create(this, R.raw.sound10);
final MediaPlayer sound11 = MediaPlayer.create(this, R.raw.sound11);
final MediaPlayer sound12 = MediaPlayer.create(this, R.raw.sound12);
final MediaPlayer sound13 = MediaPlayer.create(this, R.raw.sound13);
final MediaPlayer sound14 = MediaPlayer.create(this, R.raw.sound14);
final MediaPlayer sound15 = MediaPlayer.create(this, R.raw.sound15);
final MediaPlayer sound16 = MediaPlayer.create(this, R.raw.sound16);
final MediaPlayer sound17 = MediaPlayer.create(this, R.raw.sound17);
final MediaPlayer sound18 = MediaPlayer.create(this, R.raw.sound18);
final MediaPlayer sound19 = MediaPlayer.create(this, R.raw.sound19);
final MediaPlayer sound20 = MediaPlayer.create(this, R.raw.sound20);
final MediaPlayer sound21 = MediaPlayer.create(this, R.raw.sound21);
final MediaPlayer sound22 = MediaPlayer.create(this, R.raw.sound22);
final MediaPlayer sound23 = MediaPlayer.create(this, R.raw.sound23);
final MediaPlayer sound24 = MediaPlayer.create(this, R.raw.sound24);
final MediaPlayer sound25 = MediaPlayer.create(this, R.raw.sound25);
// play sound files on clicks
Button s01 = (Button) findViewById(R.id.button01);
s01.setText(this.getString(R.string.quote01));
s01.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
try {
sound01.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
sound01.start();
}
});
registerForContextMenu(s01);
Button s02 = (Button) findViewById(R.id.button02);
s02.setText(this.getString(R.string.quote02));
s02.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
try {
sound02.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
sound02.start();
}
});
registerForContextMenu(s02);
Button s03 = (Button) findViewById(R.id.button03);
s03.setText(this.getString(R.string.quote03));
s03.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
try {
sound03.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
sound03.start();
}
});
registerForContextMenu(s03);
Button s04 = (Button) findViewById(R.id.button04);
s04.setText(this.getString(R.string.quote04));
s04.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
try {
sound04.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
sound04.start();
}
});
registerForContextMenu(s04);
Button s05 = (Button) findViewById(R.id.button05);
s05.setText(this.getString(R.string.quote05));
s05.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
try {
sound05.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
sound05.start();
}
});
registerForContextMenu(s05);
Button s06 = (Button) findViewById(R.id.button06);
s06.setText(this.getString(R.string.quote06));
s06.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
try {
sound06.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
sound06.start();
}
});
registerForContextMenu(s06);