How to Show Download Progress Dialog in Android

In your application u want to get the data from the server. In this example i am putting all that parsing logic in a thread and showing progress dialog while loading the data. After getting all the data i am dismissing the dialog.
The following example illustrates the same ...


public void parsing()
{
        ProgressDialog pdlg ;
     
       //SHOWING DIALOG
        pdlg = ProgressDialog.show(getParent(), "", "Loading..");
        Thread thr_parsing = new Thread()
        {
            public void run()
            {
               //do the parsing
                runOnUiThread(new Runnable()
                {                   
                    @Override
                    public void run()
                    {   
                            //DISMISSING THE DIALOG
                            pdlg.dismiss();
                    }
                });
            }
        };
        thr_parsing.start();
       
    }

How to Pass Intent to Browser in Android

Intent intent = new Intent("android.intent.action.VIEW", Uri.parse(stringurl));
startActivity(intent);

How to Hide Title Bar in Android Application

  To hide the title bar through out application we have to include android:theme attribute to application tag in the Andriod Manifast.xml

 <application android:name="TestApplication" android:theme="@android:style/Theme.NoTitleBar">

Then in entire application title bar was not visible.

How to Get Current Screen Orientation In Android

The following example gives the current screen orientation.

public int getScreenOrientation()
{
        return getResources().getConfiguration().orientation;
}

The above method return integer. We will compare as follows.

 if(getScreenOrientation() == Configuration.ORIENTATION_PORTRAIT)
 {
            //App is in Portrait mode
 }
 else
{
           //App is in LandScape mode
}

How to Check Availability of Wi-Fi through Android

 The following method Return whether Wi-Fi is enabled or disabled.
 True if enabled otherwise false.
 
 public boolean checkWIFI()
 {
        WifiManager wm = (WifiManager) getSystemService(Context.WIFI_SERVICE);
        return wm.isWifiEnabled();
 }

How to Get the ID of the Device Running Android OS

TelephonyManager is the predefined class that provides information about telephony services on the device. This class contain several methods. You can found complete documentation about this class using the following url

http://developer.android.com/reference/android/telephony/TelephonyManager.html


TelephonyManager tm = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
//Getting Device Id
 tm.getDeviceId();

//Getting the Phone No
tm.getLine1Number();

How to Handle Orientation in Android using OnConfiguration

If you want to perform some operation in the orientation the following code sample will be useful. If you change the orientation then one default method will call i.e onConfigurationChanged()

@Override
 public void onConfigurationChanged(Configuration newConfig)
{
         super.onConfigurationChanged(newConfig);
         if(newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE)
         {           
                  // indicates orientation changed to landscape
         }             
         else if(newConfig.orientation == Configuration.ORIENTATION_PORTRAIT)
         {           
                  // indicates orientation changed to portrait
         }           
}

Note :
We will change the declaration of the Activity in manifast.xml to the following :
<activity android:name=".YourActivity" android:label="@string/app_name" android:configChanges="orientation|keyboardHidden" />

If you want know more information about this plz follow the link :
http://developer.android.com/guide/topics/resources/runtime-changes.html#HandlingTheChange