Hi Boban,
if you see "Android" written or "Android" picture in some blue colors on
your virtual device's screen, it means your device is still booting. You
have to wait until it shows the typical screen with unlocking options.
Best regards,
Filip Havlicek
2010/8/22 erakovic.bo...@gmail.com <erakovic.bo...@gmail.com>
> Hi, I have just start to develop android, and I just cannot start my
> Hello World application.
> I have followed instructions about android installation, I have
> changed several Eclipse IDE's, but still, when I press f11 to compile,
> it 'does' some job int he background, activate my virtual device, but
> wont to behave just as it should!
> Only " Android . . . " is displayed on the screen, which mean that my
> class isn't 'loaded', somehow.
> This is sample class :
>
> view plaincopy to clipboardprint?
>
> 1. package test.and;
> 2. import android.app.Activity;
> 3. import android.os.Bundle;
> 4. import android.view.View;
> 5. import android.widget.Button;
> 6. import android.widget.EditText;
> 7. import android.widget.TextView;
> 8.
> 9.
> 10. public class TestAppActiv extends Activity {
> 11. Button button1;
> 12. EditText txtbox1,txtbox2;
> 13. TextView tv;
> 14.
> 15. /** Called when the activity is first created. */
> 16. @Override
> 17. public void onCreate(Bundle savedInstanceState) {
> 18. super.onCreate(savedInstanceState);
> 19. setContentView(R.layout.main);
> 20. txtbox1= (EditText) findViewById(R.id.txtbox1);
> 21. button1 = (Button) findViewById(R.id.button1);
> 22. tv = (TextView) findViewById(R.id.lbl1);
> 23. txtbox2= (EditText) findViewById(R.id.txtbox2);
> 24. button1.setOnClickListener(new Clicker());
> 25. }
> 26. class Clicker implements Button.OnClickListener
> 27. {
> 28. public void onClick(View v)
> 29. {
> 30. String a,b;
> 31. Integer vis;
> 32. a = txtbox1.getText().toString();
> 33. b = txtbox2.getText().toString();
> 34. vis = Integer.parseInt(a)+Integer.parseInt(b);
> 35. tv.setText(vis.toString());
> 36. }
> 37. }
> 38. }
>
> package test.and; import android.app.Activity; import
> android.os.Bundle; import android.view.View; import
> android.widget.Button; import android.widget.EditText; import
> android.widget.TextView; public class TestAppActiv extends Activity
> { Button button1; EditText txtbox1,txtbox2; TextView tv; /** Called
> when the activity is first created. */ @Override public void
> onCreate(Bundle savedInstanceState)
> { super.onCreate(savedInstanceState); setContentView(R.layout.main);
> txtbox1= (EditText) findViewById(R.id.txtbox1); button1 = (Button)
> findViewById(R.id.button1); tv = (TextView) findViewById(R.id.lbl1);
> txtbox2= (EditText) findViewById(R.id.txtbox2);
> button1.setOnClickListener(new Clicker()); } class Clicker implements
> Button.OnClickListener { public void onClick(View v) { String a,b;
> Integer vis; a = txtbox1.getText().toString(); b =
> txtbox2.getText().toString(); vis = Integer.parseInt(a)
> +Integer.parseInt(b); tv.setText(vis.toString()); } } }
> And, also main.xml file, which reflect contains xml representation of
> display window :
> main.xml :
> view plaincopy to clipboardprint?
>
> 1. <?xml version="1.0" encoding="utf-8"?>
> 2. <AbsoluteLayout
> 3. android:id="@+id/widget35"
> 4. android:layout_width="fill_parent"
> 5. android:layout_height="fill_parent"
> 6. xmlns:android="http://schemas.android.com/apk/res/android";
> 7. >
> 8. <EditText
> 9. android:id="@+id/txtbox1"
> 10. android:layout_width="145px"
> 11. android:layout_height="40px"
> 12. android:text="EditText"
> 13. android:textSize="18sp"
> 14. android:layout_x="75px"
> 15. android:layout_y="54px"
> 16. >
> 17. </EditText>
> 18. <EditText
> 19. android:id="@+id/txtbox2"
> 20. android:layout_width="144px"
> 21. android:layout_height="40px"
> 22. android:text="EditText"
> 23. android:textSize="18sp"
> 24. android:layout_x="75px"
> 25. android:layout_y="109px"
> 26. >
> 27. </EditText>
> 28. <Button
> 29. android:id="@+id/button1"
> 30. android:layout_width="106px"
> 31. android:layout_height="36px"
> 32. android:text="Button"
> 33. android:layout_x="88px"
> 34. android:layout_y="224px"
> 35. >
> 36. </Button>
> 37. <TextView
> 38. android:id="@+id/lbl1"
> 39. android:layout_width="141px"
> 40. android:layout_height="wrap_content"
> 41. android:text="TextView"
> 42. android:layout_x="76px"
> 43. android:layout_y="166px"
> 44. >
> 45. </TextView>
> 46. </AbsoluteLayout>
>
> <?xml version="1.0" encoding="utf-8"?> <AbsoluteLayout android:id="@
> +id/widget35" android:layout_width="fill_parent"
> android:layout_height="fill_parent" xmlns:android="http://
> schemas.android.com/apk/res/android" > <EditText android:id="@+id/
> txtbox1" android:layout_width="145px" android:layout_height="40px"
> android:text="EditText" android:textSize="18sp"
> android:layout_x="75px" android:layout_y="54px" > </EditText>
> <EditText android:id="@+id/txtbox2" android:layout_width="144px"
> android:layout_height="40px" android:text="EditText"
> android:textSize="18sp" android:layout_x="75px"
> android:layout_y="109px" > </EditText> <Button android:id="@+id/
> button1" android:layout_width="106px" android:layout_height="36px"
> android:text="Button" android:layout_x="88px" android:layout_y="224px"
> > </Button> <TextView android:id="@+id/lbl1"
> android:layout_width="141px" android:layout_height="wrap_content"
> android:text="TextView" android:layout_x="76px"
> android:layout_y="166px" > </TextView> </AbsoluteLayout>
>
> then, strings.xml :
> view plaincopy to clipboardprint?
>
> 1. <?xml version="1.0" encoding="utf-8"?>
> 2. <resources>
> 3. <string name="hello">Hello World, TestAppActiv!</string>
> 4. <string name="app_name">TestApp</string>
> 5. </resources>
>
> <?xml version="1.0" encoding="utf-8"?> <resources> <string
> name="hello">Hello World, TestAppActiv!</string> <string
> name="app_name">TestApp</string> </resources>
>
> AndroidManifest.xml :
>
> view plaincopy to clipboardprint?
>
> 1. <?xml version="1.0" encoding="utf-8"?>
> 2. <manifest xmlns:android="http://schemas.android.com/apk/res/
> android"
> 3. package="test.and"
> 4. android:versionCode="1"
> 5. android:versionName="1.0">
> 6. <application android:icon="@drawable/icon"
> android:label="@string/app_name">
> 7. <activity android:name=".TestAppActiv"
> 8. android:label="@string/app_name">
> 9. <intent-filter>
> 10. <action
> android:name="android.intent.action.MAIN" />
> 11. <category
> android:name="android.intent.category.LAUNCHER" />
> 12. </intent-filter>
> 13. </activity>
> 14.
> 15. </application>
> 16.
> 17.
> 18. </manifest>
>
> <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://
> schemas.android.com/apk/res/android" package="test.and"
> android:versionCode="1" android:versionName="1.0"> <application
> android:icon="@drawable/icon" android:label="@string/app_name">
> <activity android:name=".TestAppActiv" android:label="@string/
> app_name"> <intent-filter> <action
> android:name="android.intent.action.MAIN" /> <category
> android:name="android.intent.category.LAUNCHER" /> </intent-filter> </
> activity> </application> </manifest>
>
> and default.properties file :
> view plaincopy to clipboardprint?
>
> 1. # This file is automatically generated by Android Tools.
> 2. # Do not modify this file -- YOUR CHANGES WILL BE ERASED!
> 3. #
> 4. # This file must be checked in Version Control Systems.
> 5. #
> 6. # To customize properties used by the Ant build system use,
> 7. # "build.properties", and override values to adapt the script to
> your
> 8. # project structure.
> 9.
> 10. # Project target.
> 11. target=android-3
>
> # This file is automatically generated by Android Tools. # Do not
> modify this file -- YOUR CHANGES WILL BE ERASED! # # This file must be
> checked in Version Control Systems. # # To customize properties used
> by the Ant build system use, # "build.properties", and override values
> to adapt the script to your # project structure. # Project target.
> target=android-3
>
> Just as I said, I did install everything I needed (SDK, ADT plugin,
> etc...), but it still wont work
> I appreciate any help!
> Thanks
>
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