Difference between Toasts and Dialogs

Dialogs

A dialog is a small window that prompts the user to make a decision or enter additional information. A dialog does not fill the screen and is normally used for modal events that require users to take an action before they can proceed.

 Reference

Toasts

A toast provides simple feedback about an operation in a small popup. It only fills the amount of space required for the message and the current activity remains visible and interactive. For example, navigating away from an email before you send it triggers a "Draft saved" toast to let you know that you can continue editing later. Toasts automatically disappear after a timeout.

Reference




The main diff is that Dialog can take input from user and displays some msg,,,, but Toast mainly used to pop up message,,,, and parent activity will be visible in both cases.. :)

Text to speech converter

Steps for setting up.

1. create TextVoice.java class file in src folder in eclipse and copy bellow content

2. create textvoice.xml file in layout folder in eclipse and paste bellow content given for textvoice.xml file.

3. copy menifest file into AndroidMenifest.xml file into ur project

1. TextVoice.java file content

its just a class file in src folder in eclipse (if you use eclipse for code).

1. package com.yadav.ruepshmusicrecorder;
2. 
   
3. import java.util.Locale;
4. import android.app.Activity;
5. import android.os.Bundle;
6. import android.speech.tts.TextToSpeech;
7. import android.view.MenuItem.OnMenuItemClickListener;
8. import android.view.MenuItem;
9. import android.view.View;
10. import android.view.View.OnClickListener;
11. import android.widget.Button;
12. import android.widget.EditText;
13. 
    
14. public class TextVoice extends Activity implements OnClickListener,
15. OnMenuItemClickListener {
16. TextToSpeech tts;
17. EditText e;
18. 
    
19. @Override
20. protected void onCreate(Bundle savedInstanceState) {
21. // TODO Auto-generated method stub
22. super.onCreate(savedInstanceState);
23. setContentView(R.layout.textvoice);
24. 
    
25. e = (EditText) findViewById(R.id.etinput);
26. 
    
27. Button b = (Button) findViewById(R.id.bTextToVoice);
28. b.setOnClickListener(this);
29. tts = new TextToSpeech(TextVoice.this,
30. new TextToSpeech.OnInitListener() {
31. 
    
32. @Override
33. public void onInit(int status) {
34. // TODO Auto-generated method stub
35. if (status != TextToSpeech.ERROR) {
36. tts.setLanguage(Locale.US);
37. }
38. }
39. });
40. }
41. 
    
42. @Override
43. public void onClick(View v) {
44. // TODO Auto-generated method stub
45. 
    
46. String toSpeak = e.getText().toString();
47. tts.speak(toSpeak, TextToSpeech.QUEUE_FLUSH, null);
48. }
49. 
    
50. @Override
51. public boolean onMenuItemClick(MenuItem item) {
52. // TODO Auto-generated method stub
53. return false;
54. }
55. 
    
56. @Override
57. protected void onPause() {
58. // TODO Auto-generated method stub
59. if (tts != null) {
60. tts.stop();
61. tts.shutdown();
62. super.onPause();
63. }
64. 
    
65. }
66. }

2. textvoice.xml file content:

it should be in layout folder

1. <?xml version="1.0" encoding="utf-8"?>
2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3.     android:layout_width="match_parent"
4.     android:layout_height="match_parent"
5.     android:orientation="vertical" >
6. 
   
7.     <TextView
8.         android:id="@+id/textView1"
9.         android:layout_width="match_parent"
10.         android:layout_height="wrap_content"
11.         android:text="Enter Text Below"
12.         android:textSize="30sp" />
13. 
    
14.     <EditText
15.         android:id="@+id/etinput"
16.         android:layout_width="match_parent"
17.         android:layout_height="wrap_content"
18.         android:layout_margin="10sp"
19.         android:ems="10" >
20. 
    
21.         <requestFocus />
22.     </EditText>
23. 
    
24.     <Button
25.         android:id="@+id/bTextToVoice"
26.         android:layout_width="match_parent"
27.         android:layout_height="wrap_content"
28.         android:layout_margin="10sp"
29.         android:text="Text to voice" />
30. 
    
31. </LinearLayout>

3. AndroidMenifest file content

1. <?xml version="1.0" encoding="utf-8"?>
2. <manifest xmlns:android="http://schemas.android.com/apk/res/android"
3.     package="com.yadav.ruepshmusicrecorder"
4.     android:versionCode="1"
5.     android:versionName="1.0" >
6. 
   
7.     <uses-sdk
8.         android:minSdkVersion="8"
9.         android:targetSdkVersion="10" />
10. 
    
11.     <application
12.         android:allowBackup="true"
13.         android:icon="@drawable/ic_launcher"
14.         android:label="@string/app_name"
15.         android:theme="@style/AppTheme" >
16.         <activity
17.             android:name=".TextVoice"
18.             android:label="@string/app_name" >
19.         </activity>
20.     </application>
21. 
    
22. </manifest>

Thats it u r done...............;
just build the project and press crtl+f11;
i assume that u know how to create and setup android application project;
enjoy...;