Mavzu: Mobil qurilmalar uchun shablon asosida foydalanuvchi interfeysini ishlab chiqis Reja

ToggleButton

//---ToggleButton---

ToggleButton toggleButton = (ToggleButton) findViewById(R.id.toggle1); toggleButton.setOnClickListener(new View.OnClickListener(){ public void onClick(View v) { if (((ToggleButton)v).isChecked())

DisplayToast(“Toggle button is On”); else
DisplayToast(“Toggle button is Off”);
}
});
}// closed onCreate() method private void DisplayToast(String msg)
{
Toast.makeText(getBaseContext(), msg,
Toast.LENGTH_SHORT).show();
}
} // closed BasicViews1Activity class

ProgressBar View

• 
  ProgressBar view komponentasi dastur tomonidan qandaydir operatsiya bajarilishi davomida kutish holatini tasvirlashda ishlatiladi.
  
• 
  Misol uchun internetdan biron bir dasturni yuklab olishda, biron axborot tizimiga kirish jarayonida va boshqa holatlarda foydalanuvchi ma’lum vaqt kutishiga to‘g‘ri keladi.
  
• 
  BasicViews2 loyihasi orqali ushbu komponentadan qanday foydalanishni ko‘rib o‘tamiz
  

:

1. 
   BasicViews2 nomli Android loyiha yaratiladi.
   
2. 
   res/layout papkasida joylashadigan main.xml fayliga quyidagicha o‘zgaritirish kiritiladi:
   

android:layout_height=”wrap_content” />

3. 
   BasicViews2Activity.java fayli esa quyidagicha bo‘ladi:
   

package net.learn2develop.BasicViews2; import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.view.View; import android.widget.ProgressBar; public class BasicViews2Activity extends Activity { static int progress;