Android Open Source - AudioPlayerRecorder Recorder Activity

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Back to project page AudioPlayerRecorder.
License

The source code is released under:
MIT License
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Java Source Code

package com.heavyplayer.audioplayerrecorder.sample.activity;
//w  w  w.  java2  s.c o m
import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.heavyplayer.audioplayerrecorder.fragment.AudioRecorderFragment;
import com.heavyplayer.audioplayerrecorder.sample.R;
import com.heavyplayer.audioplayerrecorder.sample.obj.Item;
import com.heavyplayer.audioplayerrecorder.utils.AudioUtils;

import java.io.File;

public class RecorderActivity extends ActionBarActivity implements AdapterView.OnItemClickListener {
  private static Item[] sItems = {
      new Item(0),
      new Item(1),
      new Item(2),
      new Item(3),
      new Item(4),
      new Item(5),
      new Item(6),
      new Item(7),
      new Item(8),
      new Item(9),
      new Item(11),
      new Item(12),
      new Item(13),
      new Item(14),
  };

  protected TextView mTitleView;
  protected ListView mListView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

      mTitleView = (TextView)findViewById(android.R.id.title);

      mListView = (ListView)findViewById(android.R.id.list);
      mListView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
      mListView.setAdapter(onCreateAdapter(this, sItems));
      mListView.setOnItemClickListener(this);
      // Select first item.
      mListView.performItemClick(mListView.getChildAt(0), 0, mListView.getItemIdAtPosition(0));
    }

  protected ListAdapter onCreateAdapter(Context context, Item[] objects) {
    return new ItemAdapter(context, objects);
  }

  @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

  @Override
  public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
    final String fileName = ((Item)parent.getItemAtPosition(position)).getFileName();
    mTitleView.setText(fileName);
  }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

  public void onRecord(View v) {
    if(!AudioUtils.isMicrophoneAvailable(this)) {
      Toast.makeText(this, R.string.error_microphone_not_available, Toast.LENGTH_LONG).show();
      return;
    }

    final String fileName = getSelectedItem().getFileName();
    if(fileName == null) {
      Toast.makeText(this, R.string.error_filename_invalid, Toast.LENGTH_LONG).show();
      return;
    }

    AudioRecorderFragment.newInstance(generateExternalStorageFileUri(fileName))
        .show(getSupportFragmentManager(), AudioRecorderFragment.TAG);
  }

  protected Uri generateExternalStorageFileUri(String fileName) {
    final File file = new File(Environment.getExternalStorageDirectory().getAbsolutePath(), fileName);
    return Uri.fromFile(file);
  }

  protected Item getSelectedItem() {
    return (Item)mListView.getItemAtPosition(mListView.getCheckedItemPosition());
  }

  protected class ItemAdapter extends ArrayAdapter<Item> {
    public ItemAdapter(Context context, Item[] objects) {
      super(context, R.layout.audio_player_list_item, R.id.item_title, objects);
    }
  }
}
Java Source Code List
