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Progressbar example in android

Progress bar

In android, progress bar can be used to tell the user the task takes longer time to finish. Progress  bar displays a bar which represent how far the operations has progressed. Progress bar can be made indeterminate. In indeterminate mode, progress bar shows a cyclic animation without indication progress.

In this tutorial, I’ll show how to display a progress bar 

package com.example;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.widget.ProgressBar;
import android.widget.TextView;

public class ProgressbarExamplActivity extends Activity {
      private ProgressBar bar;
      private TextView txt;
      protected boolean isRunning;

      /** Called when the activity is first created. */
      @Override
      public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.main);
            bar=(ProgressBar)findViewById(R.id.progressBar1);
            txt=(TextView)findViewById(R.id.text);
            new Thread(new Runnable() {
                 
                  public void run() {
                        for (int i = 0; i < 20; i++) {
                              try {
                                    Thread.sleep(1000);
                                    handler.sendMessage(handler.obtainMessage());
                              } catch (InterruptedException e) {
                                    // TODO Auto-generated catch block
                                    e.printStackTrace();
                              }
                        }
                        onDestroy();
                       
                  }
            }).start();

      }

     
      Handler handler=new Handler() {
            private int total;
            @Override
            public void handleMessage(Message msg) {
                  total=total+5;
                  String perc=String.valueOf(total).toString();
                  txt.setText(perc+"% completed");
                  bar.incrementProgressBy(5);
            }
      };
      protected void onDestroy() {

            super.onDestroy();
            finish();
      };

}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://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:id="@+id/text"
    android:layout_height="wrap_content"
    android:text="@string/hello"
    />
<ProgressBar
      style="?android:attr/progressBarStyleLarge"
      android:layout_width="wrap_content"
      android:id="@+id/progressBar1"
      android:layout_height="wrap_content">
</ProgressBar>
</LinearLayout>

Horizontal Progressbar Example

package com.example;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.widget.ProgressBar;
import android.widget.TextView;

public class ProgressbarExamplActivity extends Activity {
      private ProgressBar bar;
      private TextView txt;
      protected boolean isRunning;

      /** Called when the activity is first created. */
      @Override
      public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.main);
            bar=(ProgressBar)findViewById(R.id.progressBar2);
            txt=(TextView)findViewById(R.id.text);
            new Thread(new Runnable() {
                 
                  public void run() {
                        for (int i = 0; i < 20; i++) {
                              try {
                                    Thread.sleep(1000);
                                    handler.sendMessage(handler.obtainMessage());
                              } catch (InterruptedException e) {
                                    // TODO Auto-generated catch block
                                    e.printStackTrace();
                              }
                        }
                        onDestroy();
                       
                  }
            }).start();

      }

     
      Handler handler=new Handler() {
            private int total;
            @Override
            public void handleMessage(Message msg) {
                  total=total+5;
                  String perc=String.valueOf(total).toString();
                  txt.setText(perc+"% completed");
                  bar.incrementProgressBy(5);
            }
      };
      protected void onDestroy() {

            super.onDestroy();
            finish();
      };

}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://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:id="@+id/text"
    android:layout_height="wrap_content"
    android:text="@string/hello"
    />
<ProgressBar
android:layout_height="wrap_content"
android:id="@+id/progressBar2"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="match_parent">
</ProgressBar>
</LinearLayout>

Result

Progress Dialog Example

package com.example;

import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;

public class ProgressBarExample2Activity extends Activity {
    private ProgressDialog progressbar;

               /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        progressbar=new ProgressDialog(this);
        progressbar.setMessage("File downloading ...");
        progressbar.show();
       
        new Thread(new Runnable() {
                                              
                                               public void run() {
                                                               try {
                                                                               Thread.sleep(5000);  progressbar.cancel();
                                                                              
                                                               } catch (InterruptedException e) {
                                                                               // TODO Auto-generated catch block
                                                                               e.printStackTrace();
                                                               }
                                                              
                                               }
                               }).start();
    
    }
}

Result
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