Talking AlanlogClock, using Text-To-Speech function.

Extends from previous article; Android AnalogClock and AndroidSpeech: Android can speech! this exercise implement a analog clock with speech function. When you click on the analog clock, the current hour and minute will be speeched.

Create a basic Analog Clock application following the article Android AnalogClock, with the target platform set Android 1.6, because we have to use the Test-To-Speech function.

Add TextView in main.xml, it's helpful for checking.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  >
<TextView
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:text="@string/hello"
  />
<AnalogClock
 android:id="@+id/myAnalogClock"
 android:layout_width="fill_parent"
  android:layout_height="wrap_content"
 />
<TextView
 android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:text="I can speech"
 />
<TextView
 android:id="@+id/myText"
 android:layout_width="fill_parent"
  android:layout_height="wrap_content"
 />

</LinearLayout>

main.xml can be downloaded here.

Implement AnalogClock.OnClickListener to start the speech once the AnalogClick is clicked. In AnalogClock.OnClickListener, the current time can be retrieve by Calendar.getInstance().

AndroidClock.java

package com.exercise.AndroidClock;

import java.util.Calendar;

import android.app.Activity;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
import android.view.View;
import android.widget.AnalogClock;
import android.widget.TextView;


public class AndroidClock extends Activity implements OnInitListener {
 
 TextToSpeech myTTS;
 AnalogClock MyAnalogClock;
 TextView MyText;
 
 private int mHour, mMinute;
 
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.main);
    
      myTTS = new TextToSpeech(this, this);
    
      MyAnalogClock = (AnalogClock)findViewById(R.id.myAnalogClock);
      MyAnalogClock.setOnClickListener(MyAnalogClockOnClickListener);
      MyText = (TextView)findViewById(R.id.myText);
    
  }

 @Override
 public void onInit(int status) {
  // TODO Auto-generated method stub
  
 }

 @Override
 protected void onDestroy() {
  // TODO Auto-generated method stub
  super.onDestroy();
  myTTS.shutdown();
 }
 
 private AnalogClock.OnClickListener MyAnalogClockOnClickListener
  = new AnalogClock.OnClickListener(){

  @Override
  public void onClick(View v) {
   // TODO Auto-generated method stub
   
   final Calendar c = Calendar.getInstance();
   
   mHour = c.get(Calendar.HOUR_OF_DAY);
   mMinute = c.get(Calendar.MINUTE);

   
   String myTime= "Now is "
             + String.valueOf(mHour)
             + " Hour "
             +String.valueOf(mMinute)
             + " Minute";
   
   MyText.setText(myTime);
      myTTS.speak(myTime, TextToSpeech.QUEUE_FLUSH, null);
  }
 };
}

AndroidClock.java can be downloaded here.

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