android_dtmf_decoder

package wpam.recognizer; import pl.polidea.apphance.Apphance; import android.R.string; import android.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.content.Intent; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.media.MediaRecorder; import android.os.Build.VERSION_CODES; import android.os.Bundle; import android.telephony.TelephonyManager; import android.util.Log; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends Activity { private Button stateButton; private Button clearButton; private EditText recognizeredEditText; private SpectrumView spectrumView; private NumericKeyboard numKeyboard; Controller controller; private String recognizeredText; History history; public static final String APP_KEY = "806785c1fb7aed8a867039282bc21993eedbc4e4"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Apphance.start(this, APP_KEY); setContentView(R.layout.main); controller = new Controller(this); stateButton = (Button)this.findViewById(R.id.stateButton); stateButton.setOnClickListener(new OnClickListener() { public void onClick(View view) { controller.changeState(); } }); clearButton = (Button)this.findViewById(R.id.clearButton); clearButton.setOnClickListener(new OnClickListener() { public void onClick(View view) { controller.clear(); } }); spectrumView = new SpectrumView(); spectrumView.setImageView((ImageView) this.findViewById(R.id.spectrum)); recognizeredEditText = (EditText)this.findViewById(R.id.recognizeredText); recognizeredEditText.setFocusable(false); numKeyboard = new NumericKeyboard(); numKeyboard.add('0', (Button)findViewById(R.id.button0)); numKeyboard.add('1', (Button)findViewById(R.id.button1)); numKeyboard.add('2', (Button)findViewById(R.id.button2)); numKeyboard.add('3', (Button)findViewById(R.id.button3)); numKeyboard.add('4', (Button)findViewById(R.id.button4)); numKeyboard.add('5', (Button)findViewById(R.id.button5)); numKeyboard.add('6', (Button)findViewById(R.id.button6)); numKeyboard.add('7', (Button)findViewById(R.id.button7)); numKeyboard.add('8', (Button)findViewById(R.id.button8)); numKeyboard.add('9', (Button)findViewById(R.id.button9)); numKeyboard.add('0', (Button)findViewById(R.id.button0)); numKeyboard.add('#', (Button)findViewById(R.id.buttonHash)); numKeyboard.add('*', (Button)findViewById(R.id.buttonAsterisk)); setEnabled(false); recognizeredText = ""; history = new History(this); history.load(); } public void start() { stateButton.setText(R.string.stop); setEnabled(true); } public void stop() { history.add(recognizeredText); stateButton.setText(R.string.start); setEnabled(false); } public int getAudioSource() { TelephonyManager telephonyManager = (TelephonyManager)getSystemService(TELEPHONY_SERVICE); if (telephonyManager.getCallState() != TelephonyManager.PHONE_TYPE_NONE) return MediaRecorder.AudioSource.VOICE_DOWNLINK; return MediaRecorder.AudioSource.MIC; } public void drawSpectrum(Spectrum spectrum) { spectrumView.draw(spectrum); } public void clearText() { history.add(recognizeredText); recognizeredText = ""; recognizeredEditText.setText(""); } public void addText(Character c) { recognizeredText += c; recognizeredEditText.setText(recognizeredText); } public void setText(String text) { recognizeredEditText.setText(text); } public void setEnabled(boolean enabled) { recognizeredEditText.setEnabled(enabled); numKeyboard.setEnabled(enabled); } public void setAciveKey(char key) { numKeyboard.setActive(key); } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.layout.menu, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.history: showHistory(); break; case R.id.send: sendRecognizeredText(); break; case R.id.about: showAbout(); break; } return true; } private void showHistory() { history.add(recognizeredText); history.save(); Intent intent = new Intent(this, HistoryActivity.class); startActivity(intent); } private void sendRecognizeredText() { final Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND); sendIntent.setType("text/plain"); sendIntent.putExtra(android.content.Intent.EXTRA_TEXT, recognizeredText); startActivity(Intent.createChooser(sendIntent, getString(R.string.send)+":")); } private void showAbout() { AlertDialog about = new AlertDialog.Builder(this).create(); about.setTitle(getString(R.string.app_name)+" ("+getVersion()+")"); about.setIcon(R.drawable.icon); about.setMessage(getString(R.string.about_text)); about.show(); } private String getVersion() { PackageManager manager = getPackageManager(); PackageInfo info = null; try { info = manager.getPackageInfo(getPackageName(), 0); } catch (NameNotFoundException e) { Log.wtf("NameNotFoundException", "getVersion() NameNotFoundException"); } return info.versionName; } @Override protected void onDestroy() { history.add(recognizeredText); history.save(); super.onDestroy(); } @Override protected void onPause() { if (controller.isStarted()) controller.changeState(); super.onPause(); } }