In the below code my `audioRecord` object is not initializing. I tried moving it to the `onCreate` method and made it a global. I&#39;ve logged the state and that returns a value of `1` which means ready to use. The debugger says that `startRecording` is being called on an uninitialized object. It is also saying that it could not get the audio source.

Why am I getting these errors?

        package com.tecmark;
        
        import java.io.BufferedOutputStream;
        import java.io.DataOutputStream;
        import java.io.File;
        import java.io.FileOutputStream;
        import android.app.Activity;
        import android.media.AudioFormat;
        import android.media.AudioRecord;
        import android.media.MediaRecorder;
        import android.os.Bundle;
        import android.os.Environment;
        import android.util.Log;
        import android.view.View;
        import android.widget.TextView;
        
        public class recorder extends Activity  {
        	
            private Thread thread;
            private boolean isRecording;
        	private AudioRecord recorder;
        	private FileOutputStream os;
        	private BufferedOutputStream bos;
        	private DataOutputStream dos;
        	private TextView text;
        	private int audioSource = MediaRecorder.AudioSource.MIC;
        	private int sampleRate = 22050;
        	private int channel = AudioFormat.CHANNEL_CONFIGURATION_MONO;
        	private int encoding = AudioFormat.ENCODING_PCM_16BIT;
        	private int result = 0;
        	private int bufferSize;
        	private byte[] buffer;
        
        	/** Called when the activity is first created. */
            @Override
            public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.main);
                
                Log.v(&quot;onCreate&quot;, &quot;layout set, about to init audiorec obj&quot;);
                text = (TextView)findViewById(R.id.TextView01);
                
                 bufferSize = AudioRecord.getMinBufferSize(sampleRate,channel,encoding);
        	     buffer = new byte[bufferSize];
        	    
        	    recorder = new AudioRecord(audioSource, sampleRate,channel,encoding,
        	    		AudioRecord.getMinBufferSize(sampleRate, channel,encoding));
                Log.i(&quot;recorder obj state&quot;,&quot;&quot;+recorder.getRecordingState());
            }
    
        	public void onClickPlay(View v){
    	
        	}
        	
        	
        	public void record(){
        	    Log.i(&quot;inside record method&quot;, &quot;******&quot;);
    	    File path = Environment.getExternalStorageDirectory();
        	    Log.v(&quot;file path&quot;, &quot;&quot;+path.getAbsolutePath());
        		
        	    File file = new File(path, &quot;test.wav&quot;);
        		
        	    if(file.exists()){
        		file.delete();
        	    }
        		
        	    path.mkdirs();
        	    Log.v(&quot;file path&quot;, &quot;&quot;+file.getAbsolutePath());
        		
        	    try {
        		 os = new FileOutputStream(file);
        		 bos = new BufferedOutputStream(os);    		
        	         dos = new DataOutputStream(bos);	     
        	    } catch (Exception e1) {
        		 e1.printStackTrace();
        	    }
        		    
        	    int bufferSize = AudioRecord.getMinBufferSize(sampleRate,channel,encoding);
                byte[] buffer = new byte[bufferSize];
                recorder.startRecording();
        	    isRecording = true; 
        	    try{  
        	        while (isRecording){
        		result = recorder.read(buffer, 0, bufferSize);
        		for(int a=0; a&lt;result;a++){
        		     dos.write(buffer[a]);
        	
        		     if(!isRecording){
        		 	   recorder.stop();			 
        		 	   break;
        		     }
        		    
        		}
        		    
                 }
                 dos.flush();
                 dos.close();
            }catch(Exception e){
        	     e.printStackTrace();
            }
        		
        }// end of record method
        	
        public void onClickStop(View v){
        	Log.v(&quot;onClickStop&quot;, &quot;stop clicked&quot;);
        	isRecording=false;
        }	
        public void onClickReverse(View v){
        	Log.v(&quot;onClickReverse&quot;, &quot;reverse clicked&quot;);
        } 
        public void onClickRecord(View v){
        	Log.v(&quot;onClickRecourd&quot;, &quot;record clicked, thread gona start&quot;);
        	text.setText(&quot;recording&quot;);
        	thread = new Thread(new Runnable() {
        		public void run() {
        			isRecording = true;
        			record();
        		}
        	});
        		
        	thread.start();
            isRecording = false;
        }	
    }//end of class

**Logcat**

    01-30 15:23:16.724: ERROR/AudioRecord(12817): Could not get audio input for record source 1 01-30 15:23:16.729: 
    ERROR/AudioRecord-JNI(12817): Error creating AudioRecord instance: initialization check failed. 01-30 15:23:16.729: 
    ERROR/AudioRecord-Java(12817): [ android.media.AudioRecord ] Error code
    -20 when initializing native AudioRecord object. 01-30 15:23:16.729: INFO/recorder obj state(12817): 1 01-30 15:23:16.729: 
    WARN/dalvikvm(12817): threadid=13: thread exiting with uncaught exception (group=0x4001b180) 01-30 15:23:16.729: 
    ERROR/AndroidRuntime(12817): Uncaught handler: thread Thread-7 exiting due to uncaught exception 01-30 15:23:16.739: 
    ERROR/AndroidRuntime(12817): java.lang.IllegalStateException: startRecording() called on an uninitialized AudioRecord. 01-30 15:23:16.739: 
    ERROR/AndroidRuntime(12817):     at android.media.AudioRecord.startRecording(AudioRecord.java:495) 01-30 15:23:16.739: 
    ERROR/AndroidRuntime(12817):     at com.tecmark.recorder.record(recorder.java:114) 01-30 15:23:16.739: 
    ERROR/AndroidRuntime(12817):     at com.tecmark.recorder$1.run(recorder.java:175) 01-30 15:23:16.739: 
    ERROR/AndroidRuntime(12817):     at java.lang.Thread.run(Thread.java:1096)




AudioRecord object not initializing

I am designing an Android app and I need to implement an AudioRecord class to record the user&#39;s sound. After some research (that didn&#39;t provide enough information) and few failed attempts, I was wondering if anyone could help me by posting an example (code) on how to capture high quality sound using AudioRecord. I would really appreciate it. Thank you

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Total of 2 Android Audiorecord Solutions

AudioRecord object not initializing

Android AudioRecord example