registrare dal microfono

[supertommino]

ciao a tutti...
come si fa a registrare dal microfono?
io ho trovato questo:

package rec.prova;<br /> <br /> import android.app.Activity;<br /> import android.media.AudioFormat;<br /> import android.media.AudioRecord;<br /> import android.os.Bundle;<br /> import android.view.View;<br /> import android.widget.Button;<br /> <br /> public class RecActivity exten<span class="forTooltip">ds</span> Activity {<br /> /** Called when the activity is first created. */<br /> @Override<br /> public void onCreate(Bundle savedInstanceState) {<br /> super.onCreate(savedInstanceState);<br /> setContentView(R.layout.main);<br /> Button inizia = (Button) this.findViewById(R.id.inizia);<br /> Button ferma = (Button) this.findViewById(R.id.ferma);<br /> int buffersize = AudioRecord.getMinBufferSize(22050, 16,2);<br /> final AudioRecord record = new AudioRecord(1, 22050, 16, 2, buffersize);<br /> inizia.setOnClickListener(new View.OnClickListener() {<br /> <br /> @Override<br /> public void onClick(View v) {<br /> // TODO Auto-generated method stub<br /> record.startRecording();<br /> }<br /> });<br /> ferma.setOnClickListener(new View.OnClickListener() {<br /> <br /> @Override<br /> public void onClick(View v) {<br /> // TODO Auto-generated method stub<br /> record.st<span class="forTooltip">op</span>();<br /> }<br /> });<br /> }<br /> }

​x

 

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package rec.prova;

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​

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import android.app.Activity;

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import android.media.AudioFormat;

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import android.media.AudioRecord;

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import android.os.Bundle;

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import android.view.View;

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import android.widget.Button;

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​

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public class RecActivity extends Activity {

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

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    @Override

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    public void onCreate(Bundle savedInstanceState) {

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        super.onCreate(savedInstanceState);

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        setContentView(R.layout.main);

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        Button inizia = (Button) this.findViewById(R.id.inizia);

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        Button ferma = (Button) this.findViewById(R.id.ferma);

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        int buffersize = AudioRecord.getMinBufferSize(22050, 16,2);

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        final AudioRecord record = new AudioRecord(1, 22050, 16, 2, buffersize);

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        inizia.setOnClickListener(new View.OnClickListener() {

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            @Override

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            public void onClick(View v) {

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                // TODO Auto-generated method stub

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                record.startRecording();

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            }

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        });

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        ferma.setOnClickListener(new View.OnClickListener() {

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            @Override

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            public void onClick(View v) {

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                // TODO Auto-generated method stub

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                record.stop();

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            }

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        });

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    }

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}

ma quando premo start l'applicazione va in errore..
soluzioni?
grazi