creates a media audio recorder, or throws a IOException if the path is not valid. - Android Media

Android examples for Media:Audio Record

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Description

creates a media audio recorder, or throws a IOException if the path is not valid.

Demo Code

/*//from   ww w . j a v a  2s.  c o m
 * Copyright 2012 Greg Milette and Adam Stroud
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import java.io.IOException;
import java.io.PrintWriter;
import android.content.Context;
import android.content.pm.PackageManager;
import android.media.MediaRecorder;
import android.os.Environment;
import android.util.Log;

public class Main{
    private static final String TAG = "AudioUtil";
    /**
     * creates a media recorder, or throws a {@link IOException} if 
     * the path is not valid. 
     * @param sdCardPath should contain a .3gp extension
     */
    public static MediaRecorder prepareRecorder(String sdCardPath)
            throws IOException {
        if (!isStorageReady()) {
            throw new IOException("SD card is not available");
        }

        MediaRecorder recorder = new MediaRecorder();
        //set a custom listener that just logs any messages
        RecorderErrorLoggerListener recorderListener = new RecorderErrorLoggerListener();
        recorder.setOnErrorListener(recorderListener);
        recorder.setOnInfoListener(recorderListener);

        recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
        Log.d(TAG, "recording to: " + sdCardPath);
        recorder.setOutputFile(sdCardPath);
        recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
        recorder.prepare();
        return recorder;
    }
    private static boolean isStorageReady() {
        String cardstatus = Environment.getExternalStorageState();
        if (cardstatus.equals(Environment.MEDIA_REMOVED)
                || cardstatus.equals(Environment.MEDIA_UNMOUNTED)
                || cardstatus.equals(Environment.MEDIA_UNMOUNTABLE)
                || cardstatus.equals(Environment.MEDIA_MOUNTED_READ_ONLY)) {
            return false;
        } else {
            if (cardstatus.equals(Environment.MEDIA_MOUNTED)) {
                return true;
            } else {
                return false;
            }
        }
    }
}

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