Android Open Source - musetoolkit Sine

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License

The source code is released under:
GNU General Public License
If you think the Android project musetoolkit listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.github.musetoolkit;
//???????????/*w  w  w .  j  a va2s  .com*/

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import org.puredata.android.io.AudioParameters;
import org.puredata.android.service.PdPreferences;
import org.puredata.android.service.PdService;
import org.puredata.core.PdBase;
import org.puredata.core.utils.IoUtils;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.content.res.Resources;
import android.os.IBinder;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class Sine extends Activity implements OnClickListener, OnSharedPreferenceChangeListener{
  private static final String TAG = "Sine Wave";

//  private TextView tv_title;  
  private TextView tv_NavigateBack;
  
  private Button sine_Button;
  
  private PdService pdService = null;
  
  private Toast toast = null;
  
  private void toast(final String msg) {
    runOnUiThread(new Runnable() {
      @Override
      public void run() {
        if (toast == null) {
          toast = Toast.makeText(getApplicationContext(), "", Toast.LENGTH_SHORT);
        }
        toast.setText(TAG + ": " + msg);
        toast.show();
      }
    });
  }
  
  private final ServiceConnection pdConnection = new ServiceConnection() {
    @Override
    public void onServiceConnected(ComponentName name, IBinder service) {
      pdService = ((PdService.PdBinder)service).getService();
      initPd();
    }
    
    @Override
    public void onServiceDisconnected(ComponentName name) {
      //This method will never be called
    }
  };
  
  @Override
  protected void onCreate(android.os.Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE); // ??Activity??????

    AudioParameters.init(this);
    PdPreferences.initPreferences(getApplicationContext());
    PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
    initGui();
    bindService(new Intent(this, PdService.class), pdConnection, BIND_AUTO_CREATE);
    
  };

  
  @Override
  protected void onDestroy() {
    super.onDestroy();
    cleanup();
  }
  
  @Override
  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
    if (pdService.isRunning()) {
      startAudio();
    }
  }
  
  private void initGui() {
    setContentView(R.layout.sine);
    sine_Button = (Button) findViewById(R.id.sine_button);
    sine_Button.setOnClickListener(this);

//    Intent intent1 = this.getIntent();      
//    tv_title = (TextView)findViewById(R.id.NavigateTitle);
//    tv_title.setText(intent1.getStringExtra("title"));
    
    tv_NavigateBack = (TextView)findViewById(R.id.NavigateBack);
    tv_NavigateBack.setOnClickListener(new ButtionBackOnClick());            
  }
  
  private void initPd() {
    Resources res = getResources();
    File patchFile = null;
    try {
      PdBase.sendBang("trigger");
//      PdBase.sendFloat("midinote", 64);
      InputStream in = res.openRawResource(R.raw.sine);
      patchFile = IoUtils.extractResource(in, "sine.pd", getCacheDir());
      PdBase.openPatch(patchFile);
    } catch (IOException e) {
      Log.e(TAG, e.toString());
      finish();
    } finally {
      if (patchFile != null) patchFile.delete();
    }
  }

  private void CloseCurrUI(){
    finish();
  }
  
  class ButtionBackOnClick implements OnClickListener{
    @Override
    public void onClick(View v) {
      CloseCurrUI();
    }
  }
  
  private void startAudio() {
//    String name = getResources().getString(R.string.app_name);
    try {
      pdService.initAudio(-1, -1, -1, -1);
//      pdService.startAudio(new Intent(this, Sine.class), R.drawable.icon, name, "Return to " + name + ".");
      pdService.startAudio();      
    } catch (IOException e) {
      toast(e.toString());
    }
  }
  
  private void stopAudio() {
    pdService.stopAudio();
  }
  
  private void cleanup() {
    try {
      unbindService(pdConnection);
    } catch (IllegalArgumentException e) {
      //already unbound
      pdService = null;
    }
  }

  @Override
  public void onClick(View v) {
    switch (v.getId()) {
    case R.id.sine_button:
      startAudio();
      PdBase.sendBang("trigger");
//      PdBase.sendFloat("midinote", 64);
      break;
//      if (pdService.isRunning()) {
//        stopAudio();
//      } else {
//        startAudio();
//      }
//    default:
//      stopAudio();
//      break;    
    }
  }

}
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