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    <p>If you use eclipse with ADT plugin you can start a simple project almost immediately. When you create a project with initial Activity class you should be able to run it on emulator and it should display hello string.<br> Generally, good way to start with android is the tutorial provided by google: <a href="http://developer.android.com/guide/tutorials/notepad/index.html" rel="nofollow noreferrer">http://developer.android.com/guide/tutorials/notepad/index.html</a><br></p> <p>Regarding this R file - it is autogenerated file containing identifiers for all resources from your project "res" folder (layouts, strings, drawables, etc.). Thanks to this file you can refer to your resources. Many method from Android API take as a parameter the ID from R file, like for example setContentView().<br> Regards and good luck with Android!</p>
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    1. COthanx dude. for ur answer to second question. about 1st question: as I've mentioned:- I have done all the settings as mentioned on the developers blog. The program on execution has generated the xml file also. But on the simulator screen i am getting nothing but android written which after some times turn to a mobile screen. [Thats what simulators feature is]. Do i have to do anything else to see the simple text output. Like seting the layout.. My code is:--
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    2. COMy code is:-- import android.app.Activity; import android.os.Bundle; import android.widget.TextView; public class Hello extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); TextView tv = new TextView(this); tv.setText("I am Mew"); setContentView(tv); } } is there anything else to be written here???
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    3. COYour code is perfectly OK, emulator should display the content of your TextView. But you can check two things: 1. Check your AndroidManifest.xml - it should contain your activity (sth like: <activity android:name=".Hello" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity>) 2. In eclipse, check your "Console" for error messages while installing your application on emulator.
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