ProgressDialog ها – آموزش ProgressDialog در اندروید

<Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_marginTop="111dp"
        android:text="Click to Display a Progress Dialog"
        android:onClick="onClick"/>

package com.example.progressdialogprj;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.view.View;
import android.app.Activity;
public class MainActivity extends Activity {
        @Override
        protected void onCreate(Bundle savedInstanceState) {
                 super.onCreate(savedInstanceState);
                 setContentView(R.layout.activity_main);
        }
        public void onClick(View v)
        {
           //--show the Dialog--
            final ProgressDialog dialog = ProgressDialog.show(this, "Progress Dialog", "Please Wait...");
                 new Thread(new Runnable(){
                           public void run(){
                                    try{
                                              //--simulate dialog something lengthy--
                                              Thread .sleep(5000);
                                              dialog.dismiss();
                                    }catch (InterruptedException e){
                                              e.printStackTrace();
                                    }
                           }
                 }).start();
        }
}

<Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/button1"
        android:layout_below="@+id/button1"
        android:layout_marginLeft="37dp"
        android:layout_marginTop="46dp"
        android:text="Click to Display a detailed Progress Dialog"
        android:onClick="onClick2" />

import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;
import android.app.Activity;
import android.app.Dialog;
ProgressDialog p;
        public void onClick2(View v)
        {
              showDialog(0);               
                 p.setProgress(0);
                 new Thread(new Runnable(){
                           public void run(){
                                    for(int i=1;i<=15;i++)
                                    {
                                              try{
                                                        //--simulate doing something lengthy--
                                                        Thread.sleep(1000);
                                                        //--update the dialog--
                                                        p.incrementProgressBy((int)100/15);
                                              }catch (InterruptedException e){
                                                        e.printStackTrace();
                                              }
                                    }
                                    p.dismiss();
                           }
                 }).start();
        }
        @Override
        protected Dialog onCreateDialog(int id)
        {
          switch (id){
          case 0:
            p= new ProgressDialog(this);
            p.setIcon(R.drawable.ic_launcher);
            p.setTitle("Downloading Files...");
            p.setProgressStyle(p.STYLE_HORIZONTAL);
        p.setButton(DialogInterface.BUTTON_POSITIVE, "Ok", new DialogInterface.OnClickListener() {
                       @Override
            public void onClick(DialogInterface dialog   , int wichButton) {
             // TODO Auto-generated method stub
             Toast.makeText(getBaseContext(), "Ok Clicked", Toast.LENGTH_SHORT).show();;
                                    }
                           });
          p.setButton(DialogInterface.BUTTON_NEGATIVE, "Cancel", new DialogInterface.OnClickListener() {
                                    @Override
                    public void onClick(DialogInterface dialog, int wichbutton) {
                          // TODO Auto-generated method stub
                          Toast.makeText(getBaseContext(), "Cancle Clicked", Toast.LENGTH_SHORT).show();
                    }
               });
               return p;
          }
          return null;
		}

p= new ProgressDialog(this);
	p.setIcon(R.drawable.ic_launcher);
	p.setTitle("Downloading Files...");
	p.setProgressStyle(p.STYLE_HORIZONTAL);

p.setProgress(0);
new Thread(new Runnable(){
	public void run(){
		for(int i=1;i<=15;i++)
		{
			try{
				//--simulate doing something lengthy--
				Thread.sleep(1000);
				//--update the dialog--
				p.incrementProgressBy((int)100/15);
			}catch (InterruptedException e){
				e.printStackTrace();
			}
		}
		p.dismiss();
	}
}).start();