ADT 20 Eclipse New Activity wizard cannot be complete due to support library
Issue:
When using New Activity wizard, ADT 20 asked to install Android Support library version 8 even though version 9 has been installed.
Pressing "Install/Update" then ADT popup a window downloading Support library, when finished nothing happen.
Pressing "Check Again" does nothing.
If i restarting Eclipse again this problem.
Notice: If you install new version ADT or update via SDK Manager, open SDK Manager standalone and close Eclipse.
Workaround:
- Close Eclipse
- Open SDK Manager standalone (c:\Program Files\Android\android-sdk-windows\SDK Manager.exe)
- Check the checkbox and uninstall Extras -> Android Support Library.
- Check again Extras -> Android Support Library and install it
- Restart Eclipse
- Try to create new project

When using New Activity wizard, ADT 20 asked to install Android Support library version 8 even though version 9 has been installed.
Pressing "Install/Update" then ADT popup a window downloading Support library, when finished nothing happen.
Pressing "Check Again" does nothing.
If i restarting Eclipse again this problem.
Notice: If you install new version ADT or update via SDK Manager, open SDK Manager standalone and close Eclipse.
Workaround:
- Close Eclipse
- Open SDK Manager standalone (c:\Program Files\Android\android-sdk-windows\SDK Manager.exe)
- Check the checkbox and uninstall Extras -> Android Support Library.
- Check again Extras -> Android Support Library and install it
- Restart Eclipse
- Try to create new project


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Error for example:
webcoreglue(2075): The real object has been deleted
Solution:
If this error message shows if orientation the screen is changed
try insert into AndroidManifest.xml this code:
android:configChanges="keyboard|keyboardHidden|orientation"
webcoreglue(2075): The real object has been deleted
Solution:
If this error message shows if orientation the screen is changed
try insert into AndroidManifest.xml this code:
android:configChanges="keyboard|keyboardHidden|orientation"
<activity
android:label="@string/app_name"
android:name=".MyActivity"
android:screenOrientation="portrait"
android:configChanges="keyboard|keyboardHidden|orientation"
>
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Hint text to display when the text is empty.
In layout/main.xml insert to EditText row Attribute Name android:hint="Some text"
Programatically you can use method setHint:
Hint text to display when the text is empty.
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<EditText
android:id="@+id/myEdit"
android:layout_height="wrap_content" android:layout_width="fill_parent"
android:hint="Some text"
android:singleLine="true"
</EditText>
Programatically you can use method setHint:
// setHint(CharSequence hint) example
(EditText)findViewById(R.id.myEdit).setHint("My text");
// or int resId as method setHint(int resId)
EditText myEdit = findViewById(R.id.myEdit);
myEdit.setHint(R.string.app_name);
Jak povolit komentáře je přihlášeným uživatelům.
Spam v komentářích je nepříjemný a zatěžuje server. Jednou z metod, jak jej omezit je povolit přidávat komentáře jen registrovaným členům. Toho ve Wordpress dosáhneme v administraci z menu Settings - Discussion kde zaškrtneme políčko Users must be registered and logged in to comment a nastaveni uložíme.
Spam v komentářích je nepříjemný a zatěžuje server. Jednou z metod, jak jej omezit je povolit přidávat komentáře jen registrovaným členům. Toho ve Wordpress dosáhneme v administraci z menu Settings - Discussion kde zaškrtneme políčko Users must be registered and logged in to comment a nastaveni uložíme.
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Bitmap mBitmap2 = BitmapFactory.decodeStream(is);
int w = mBitmap2.getWidth();
int h = mBitmap2.getHeight();
// int x , y have to be smaller as w , h
int _color = mBitmap2.getPixel(x, y);
How to change the image dynamically in ImageView and button setOnClickListener Android sample.
Main.java
main.xml
Put into res/drawable this pictures:
Main.java
ipackage cz.okhelp.my_game;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
public class Main extends Activity {
private ImageView hImageViewSemafor;
private Button hButton;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
hImageViewSemafor = (ImageView)findViewById(R.id.idImageViewSemafor);
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hButton.setOnClickListener(mButtonChangeImageListener);
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public void onClick(View v) {
// setImageResource will change image in ImageView
hImageViewSemafor.setImageResource(R.drawable.semafor_green);
}
};
}
main.xml
Put into res/drawable this pictures:


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="//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"
/>
<ImageView
android:src="@drawable/semafor_red"
android:id="@+id/idImageViewSemafor"
android:background="#66FFFFFF"
android:adjustViewBounds="true"
android:maxWidth="47dip"
android:maxHeight="91dip"
android:padding="10dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
Editace: 2014-02-15 20:32:48
Počet článků v kategorii: 396
Url:adt-20-eclipse-new-activity-wizard-cannot-be-complete-due-to-support-library