问题
I'm just starting out with my first soundboard. Basically this is what I have so far (except I have 40 sounds). Does anyone know a better way to do this? I have to go to an appointment, but I will be back later today to respond. Thank you, anyone who can help.
-------------------------soundboard--------------
package com.soundboard.app;
import android.app.Activity; import android.content.Intent; import android.media.MediaPlayer;
import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.ImageButton;
public class main extends Activity {
MediaPlayer sound1, sound2, sound3;
ImageButton button1, button2, button3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
sound1 = MediaPlayer.create(this, R.raw.sound1);
button1 = (ImageButton) findViewById(R.id.button1);
button1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
sound1.start();
}
});
squeak3 = MediaPlayer.create(this, R.raw.squeak3);
dogsqueak = (ImageButton) findViewById(R.id.dogsqueak);
dogsqueak.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
squeak3.start();
}
});
sound2 = MediaPlayer.create(this, R.raw.sound2);
button2 = (ImageButton) findViewById(R.id.button2);
button2.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
sound2.start();
}
});
sound3 = MediaPlayer.create(this, R.raw.sound3);
button3= (ImageButton) findViewById(R.id.button3);
button3.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
sound3.start();
}
});
}
}
回答1:
With forty buttons you need to arrange for this to happen in a loop.
Although there are even more clever ways to do this, you can start by building a Map
:
Map<Integer, Integer> map = new HashMap<Integer, Integer>>();
map.put(R.id.button1, R.raw.sound1);
map.put(R.id.button2, R.raw.sound2);
...
and then iterate:
for (Map.Entry<Integer, Integer> entry : map.entrySet()) {
final MediaPlayer sound = MediaPlayer.create(entry.getValue());
Button button = (ImageButton) findViewById(entry.getKey());
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
sound.start();
}
});
}
This will give you a taste of a looping solution. You also need to consider how you manage your MediaPlayer
instances.
来源:https://stackoverflow.com/questions/5543361/imagebutton-soundboard-android-app