Android Material

TEXTTOSPEECH: this code text to speech simple example code  SOURCE CODE public class MainActivity extends Activity implements OnInitListener {     TextToSpeech textTalker;     @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);         Button tv=(Button)findViewById(R.id.button1);                          textTalker = new TextToSpeech(this, this);                  tv.setOnClickListener(new OnClickListener() {                          public voi...

XMLResource Parser With Custem Listiew From Local XML In Android. XMLResource Parser With Custem Listiew From Local XML In Android.  Xml Resource parser from local xml in android it's parsing data from localxml  anylocation.xml from xml foder <?xml version="1.0" encoding="UTF-8"?> <jointData>     <city>             <option value="">Any Location</option>             <option value="1">Salem</option>             <option value="2">Chennai</option>             <option value="3">Kovai</option>             <option value="4">Bangalore</option>           ...

Pull to Refresh ListView in Android. Pull to Refresh ListView in Android. It will allow to user pulling down  and releasing from the top of the list. Then come to basic coding part PulltoRefresh. Here you can fine some better example for pulltorefresh.  https://github.com/chrisbanes/Android-PullToRefresh Custem ListView pull_to_refresh_listview.xml <?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"     >        <com.pulltorefresh.mad.PullToRefreshView         xmlns:ptr="http://schemas.android.com/apk/res/com.pulltorefresh.mad"         android:id="@+id/pull_refresh_list"         android:layout_height="f...

What is Android? Android is a stack of software for mobile devices which includes an Operating System, middleware and some key applications. The application executes within its own process and its own instance of Dalvik Virtual Machine. Many Virtual Machines run efficiently by a DVM device. DVM executes Java languages byte code which later transforms into .dex format files. What is an  Activity ? A single screen in an application, with supporting Java code. What is an  Intent ? A class (Intent) which describes what a caller desires to do. The caller will send this intent to Android's intent resolver, which finds the most suitable activity for the intent. E.g. opening a PDF document is an intent, and the Adobe Reader apps will be the perfect activity for that intent (class). What is a Sticky Intent? sendStickyBroadcast()  performs a  sendBroadcast(Intent)  known as sticky, i.e. the Intent you are sending stays around after the broadcast is complete, ...

Q1.   What   is   the   difference   between   an   Abstract   class   and   Interface? 1. Abstract classes may have some executable methods and methods left unimplemented. Interfaces contain no implementation code. 2. An class can implement any number of interfaces, but subclass at most one abstract class. 3. An abstract class can have nonabstract methods. All methods of an interface are abstract. 4. An abstract class can have instance variables. An interface cannot. 5. An abstract class can define constructor. An interface cannot. 6. An abstract class can have any visibility: public, protected, private or none (package). An interface's visibility must be public or none (package). 7. An abstract class inherits from Object and includes methods such as clone() and equals(). Q2.What   are   checked   and   unchecked   exceptions? Java defines two kinds of exceptions : •  Checked   exceptions...