Ch04 Listings

satya - Friday, February 26, 2010 8:11:44 PM

Listing 4-1


package pro.android;
import android.app.Activity;
import android.os.Bundle;
import android.view.ViewGroup.LayoutParams;
import android.widget.LinearLayout;
import android.widget.TextView;
public class MainActivity extends Activity
{
    private LinearLayout nameContainer;

    private LinearLayout addressContainer;

    private LinearLayout parentContainer;


    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);

        createNameContainer();

        createAddressContainer();

        createParentContainer();

        setContentView(parentContainer);

    }

    private void createNameContainer()
    {
        nameContainer = new LinearLayout(this);

        nameContainer.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
                LayoutParams.WRAP_CONTENT));
        nameContainer.setOrientation(LinearLayout.HORIZONTAL);

        TextView nameLbl = new TextView(this);

        nameLbl.setText("Name: ");
        nameContainer.addView(nameLbl);

        TextView nameValueLbl = new TextView(this);
        nameValueLbl.setText("John Doe");

        nameContainer.addView(nameValueLbl);
    }

    private void createAddressContainer()
    {
        addressContainer = new LinearLayout(this);
    
        addressContainer.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
                LayoutParams.WRAP_CONTENT));
        addressContainer.setOrientation(LinearLayout.VERTICAL);

        TextView addrLbl = new TextView(this);

        addrLbl.setText("Address:");

        TextView addrValueLbl = new TextView(this);

        addrValueLbl.setText("911 Hollywood Blvd");

        addressContainer.addView(addrLbl);
        addressContainer.addView(addrValueLbl);

    }

    private void createParentContainer()
    {
        parentContainer = new LinearLayout(this);
    
        parentContainer.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
                LayoutParams.FILL_PARENT));
        parentContainer.setOrientation(LinearLayout.VERTICAL);
    
        parentContainer.addView(nameContainer);
        parentContainer.addView(addressContainer);
    }
}
package pro.android;
import android.app.Activity;
import android.os.Bundle;
import android.view.ViewGroup.LayoutParams;
import android.widget.LinearLayout;
import android.widget.TextView;
public class MainActivity extends Activity
{
    private LinearLayout nameContainer;

    private LinearLayout addressContainer;

    private LinearLayout parentContainer;


    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);

        createNameContainer();

        createAddressContainer();

        createParentContainer();

        setContentView(parentContainer);

    }

    private void createNameContainer()
    {
        nameContainer = new LinearLayout(this);

        nameContainer.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
                LayoutParams.WRAP_CONTENT));
        nameContainer.setOrientation(LinearLayout.HORIZONTAL);

        TextView nameLbl = new TextView(this);

        nameLbl.setText("Name: ");
        nameContainer.addView(nameLbl);

        TextView nameValueLbl = new TextView(this);
        nameValueLbl.setText("John Doe");

        nameContainer.addView(nameValueLbl);
    }

    private void createAddressContainer()
    {
        addressContainer = new LinearLayout(this);
    
        addressContainer.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
                LayoutParams.WRAP_CONTENT));
        addressContainer.setOrientation(LinearLayout.VERTICAL);

        TextView addrLbl = new TextView(this);

        addrLbl.setText("Address:");

        TextView addrValueLbl = new TextView(this);

        addrValueLbl.setText("911 Hollywood Blvd");

        addressContainer.addView(addrLbl);
        addressContainer.addView(addrValueLbl);

    }

    private void createParentContainer()
    {
        parentContainer = new LinearLayout(this);
    
        parentContainer.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
                LayoutParams.FILL_PARENT));
        parentContainer.setOrientation(LinearLayout.VERTICAL);
    
        parentContainer.addView(nameContainer);
        parentContainer.addView(addressContainer);
    }
}

satya - Friday, February 26, 2010 8:12:42 PM

Listing 4-2


<?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">
    <!-- NAME CONTAINER -->
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="horizontal" android:layout_width="fill_parent"
        android:layout_height="wrap_content">

            <TextView  android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Name:" />

            <TextView android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="John Doe" />

    </LinearLayout>

    <!-- ADDRESS CONTAINER -->
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical" android:layout_width="fill_parent"
        android:layout_height="wrap_content">

            <TextView android:layout_width="fill_parent"
        android:layout_height="wrap_content" android:text="Address:" />

            <TextView android:layout_width="fill_parent"
        android:layout_height="wrap_content" android:text="911 Hollywood Blvd." />
    </LinearLayout>

</LinearLayout>

satya - Friday, February 26, 2010 8:13:43 PM

Listing 4-3


<?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">
    <!-- NAME CONTAINER -->
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="horizontal" android:layout_width="fill_parent"
        android:layout_height="wrap_content">

            <TextView android:id="@+id/nameText" android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="@+string/name_text" />

            <TextView android:id="@+id/nameValueText" 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    </LinearLayout>

    <!-- ADDRESS CONTAINER -->
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical" android:layout_width="fill_parent"
        android:layout_height="wrap_content">

            <TextView android:id="@+id/addrText" android:layout_width="fill_parent"
        android:layout_height="wrap_content" android:text="@+string/addr_text" />

            <TextView android:id="@+id/addrValueText" 
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />
    </LinearLayout>

</LinearLayout>

satya - Friday, February 26, 2010 8:14:20 PM

Listing 4-4


setContentView(R.layout.main);

TextView nameValue = (TextView)findViewById(R.id.nameValueText);
nameValue.setText("John Doe");
TextView addrValue = (TextView)findViewById(R.id.addrValueText);
addrValue.setText("911 Hollywood Blvd.");

satya - Friday, February 26, 2010 8:14:42 PM

Listing 4-5


TextView tv =(TextView)this.findViewById(R.id.cctvex);
tv.setText("Please visit my website, http://www.sayedhashimi.com
or email me at [email protected].");
Linkify.addLinks(tv, Linkify.ALL);

satya - Friday, February 26, 2010 8:15:30 PM

Listing 4-6


EditText et =(EditText)this.findViewById(R.id.cctvex5);
et.setText("Styling the content of an editText dynamically");
Spannable spn = et.getText();
spn.setSpan(new BackgroundColorSpan(Color.RED), 0, 7, 
            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
spn.setSpan(new StyleSpan(android.graphics.Typeface.BOLD_ITALIC)
            , 0, 7, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

satya - Friday, February 26, 2010 8:16:26 PM

Listing 4-7


AutoCompleteTextView actv = (AutoCompleteTextView) this.findViewById(R.id.ccactv);

ArrayAdapter<String> aa = new ArrayAdapter<String>(this,
                android.R.layout.simple_dropdown_item_1line,
new String[] {"English", "Hebrew", "Hindi", "Spanish", "German", "Greek" });

actv.setAdapter(aa);

satya - Friday, February 26, 2010 8:16:53 PM

Listing 4-8


MultiAutoCompleteTextView mactv = (MultiAutoCompleteTextView) this
                .findViewById(R.id.ccmactv);
ArrayAdapter<String> aa2 = new ArrayAdapter<String>(this,
                android.R.layout.simple_dropdown_item_1line,
new String[] {"English", "Hebrew", "Hindi", "Spanish", "German", "Greek" });

mactv.setAdapter(aa2);

mactv.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());

satya - Friday, February 26, 2010 8:17:24 PM

Listing 4-9


Button btn = (Button)this.findViewById(R.id.ccbtn1);
btn.setOnClickListener(new OnClickListener()
{
     public void onClick(View v)
     {
        Intent intent = getButtonIntent();
        intent.setAction("some intent data");
         setResult(RESULT_OK, intent);
         finish();
     }
});

satya - Friday, February 26, 2010 8:17:55 PM

Listing 4-9 xml


<Button android:id="@+id/ccbtn1"
    android:text="@+string/basicBtnLabel"
    android:typeface="serif" android:textStyle="bold" 
android:layout_width="fill_parent"
    android:layout_height="wrap_content" />

satya - Friday, February 26, 2010 8:18:15 PM

Listing 4-10


ImageButton btn = (ImageButton)this.findViewById(R.id.imageBtn);
btn.setImageResource(R.drawable.icon);

satya - Friday, February 26, 2010 8:18:35 PM

Listing 4-10 xml


<ImageButton android:id="@+id/imageBtn"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />

satya - Friday, February 26, 2010 8:19:09 PM

Listing 4-11


<ImageButton android:id="@+id/imageBtn"
    android:src="@drawable/btnImage"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />

satya - Friday, February 26, 2010 8:19:43 PM

Listing 4-12


<ToggleButton android:id="@+id/cctglBtn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"  
        android:text="Toggle Button"/>

satya - Friday, February 26, 2010 8:20:06 PM

Listing 4-13


<ToggleButton android:id="@+id/cctglBtn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" 
        android:textOn="Run"
        android:textOff="Stop" 
        android:text="Toggle Button"/>

satya - Friday, February 26, 2010 8:20:30 PM

Listing 4-14


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical" android:layout_width="fill_parent"
        android:layout_height="fill_parent">

<CheckBox android:text="Chicken"
android:layout_width="wrap_content" android:layout_height="wrap_content" />

<CheckBox android:text="Fish"
android:layout_width="wrap_content" android:layout_height="wrap_content" />

<CheckBox android:text="Steak"
android:layout_width="wrap_content" android:layout_height="wrap_content" />

</LinearLayout>

satya - Friday, February 26, 2010 8:21:06 PM

Listing 4-15


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical" android:layout_width="fill_parent"
        android:layout_height="fill_parent">

<RadioGroup     android:id="@+id/rBtnGrp" android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical" >

<RadioButton     android:id=�?�@+id/chRBtn�?� android:text="Chicken"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>

<RadioButton  android:id=�?�@+id/fishRBtn�?� android:text="Fish"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>

<RadioButton android:id=�?�@+id/stkRBtn�?� android:text="Steak"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>

</RadioGroup>

</LinearLayout>

satya - Friday, February 26, 2010 8:21:32 PM

Listing 4-16


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical" 
        android:layout_width="fill_parent"
        android:layout_height="fill_parent">

<RadioButton android:id="@+id/anotherRadBtn" 
            android:text="Outside" 
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>
<RadioGroup android:id="@+id/rdGrp" 
            android:layout_width="wrap_content"
            android:layout_height="wrap_content">
<RadioButton android:id="@+id/chRBtn"  
            android:text="Chicken" 
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>
<RadioButton android:id="@+id/fishRBtn"   
            android:text="Fish"    
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>
<RadioButton android:id="@+id/stkRBtn" 
            android:text="Steak" 
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>

<TextView android:text="My Favorite" 
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>
</RadioGroup>

</LinearLayout>

satya - Friday, February 26, 2010 8:22:02 PM

Listing 4-17


public class ListDemoActivity extends ListActivity
{
    private SimpleCursorAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        Cursor c = getContentResolver().query(People.CONTENT_URI,
                                     null, null, null, null);
        startManagingCursor(c);
        String[] cols = new String[]{People.NAME};
        int[] names = new int[]{R.id.row_tv};
        adapter = new SimpleCursorAdapter(this,R.layout.list_item,c,cols,names);
        this.setListAdapter(adapter);
    }
}

satya - Friday, February 26, 2010 8:22:41 PM

Listing 4-17 xml


<?xml version="1.0" encoding="utf-8"?>
<!--  This file is at /res/layout/list_item.xml -->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

<CheckBox xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/row_chbox"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
/>

<TextView android:id="@+id/row_tv" android:layout_width="wrap_content"
    android:layout_height="wrap_content"
/>
</LinearLayout>

satya - Friday, February 26, 2010 8:23:00 PM

Listing 4-18


<?xml version="1.0" encoding="utf-8"?>
<!-- This file is at /res/layout/list.xml -->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content">

    <ListView android:id="@android:id/list"
            android:layout_width="fill_parent"
            android:layout_height="0dip"
            android:layout_weight="1"
            android:stackFromBottom="true"
            android:transcriptMode="normal"/>

    <Button android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Submit Selection" />

</LinearLayout>

satya - Friday, February 26, 2010 8:23:17 PM

Listing 4-19


public class ListDemoActivity extends ListActivity
{
    private SimpleCursorAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.list);

        Cursor c = getContentResolver().query(People.CONTENT_URI, 
null, null, null, null);
        startManagingCursor(c);

        String[] cols = new String[]{People.NAME};
        int[] names = new int[]{R.id.row_tv};
        adapter = new SimpleCursorAdapter(this,R.layout.list_item,c,cols,names);
        this.setListAdapter(adapter);
    }
}

satya - Friday, February 26, 2010 8:24:04 PM

Listing 4-20


protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);


		setContentView(R.layout.gridview);
		GridView gv = (GridView)this.findViewById(R.id.dataGrid);

		Cursor c = getContentResolver().query(People.CONTENT_URI,
                                      null, null, null, null);
		startManagingCursor(c);

		String[] cols = new String[]{People.NAME};
		int[] names = new int[]{android.R.id.text1};

		SimpleCursorAdapter adapter = new SimpleCursorAdapter(this,
				android.R.layout.simple_list_item_1 ,c,cols,names);

		gv.setAdapter(adapter);

}

satya - Friday, February 26, 2010 8:24:59 PM

Listing 4-20 xml


<?xml version="1.0" encoding="utf-8"?>
<!-- This file is at /res/layout/gridview.xml -->
<GridView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/dataGrid"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:padding="10px"
    android:verticalSpacing="10px"
    android:horizontalSpacing="10px"
    android:numColumns="auto_fit"
    android:columnWidth="100px"
    android:stretchMode="columnWidth"
    android:gravity="center"
    />

satya - Friday, February 26, 2010 8:25:20 PM

Listing 4-21


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent">

    <DatePicker android:id="@+id/datePicker"
    android:layout_width="wrap_content" android:layout_height="wrap_content" />

    <TimePicker android:id="@+id/timePicker"
    android:layout_width="wrap_content" android:layout_height="wrap_content" />

</LinearLayout>

satya - Friday, February 26, 2010 8:26:59 PM

Listing 4-22


protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.datetime);

    DatePicker dp = (DatePicker)this.findViewById(R.id.datePicker);
    dp.init(2008, 11, 10, null);

    TimePicker tp = (TimePicker)this.findViewById(R.id.timePicker);
    tp.setIs24HourView(true);
    tp.setCurrentHour(new Integer(10));
    tp.setCurrentMinute(new Integer(10));
}

satya - Friday, February 26, 2010 8:28:22 PM

Listing 4-23


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical" android:layout_width="fill_parent"
        android:layout_height="fill_parent">

    <com.google.android.maps.MapView
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:enabled="true"
        android:clickable="true"
        android:apiKey="myAPIKey"
        />

</LinearLayout>

satya - Friday, February 26, 2010 8:28:45 PM

Listing 4-24


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content">

    <!-- add children here-->
</LinearLayout>

satya - Friday, February 26, 2010 8:30:10 PM

Listing 4-25


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">

    <EditText android:layout_width="fill_parent" 
        android:layout_height="wrap_content"
        android:text="one"/>
    <EditText android:layout_width="fill_parent" 
        android:layout_height="wrap_content" 
        android:text="two"/>
    <EditText android:layout_width="fill_parent" 
        android:layout_height="wrap_content" 
        android:text="three"/>
</LinearLayout>

satya - Friday, February 26, 2010 8:32:16 PM

Listing 4-26


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">

    <EditText android:layout_width="fill_parent" android:layout_weight="0.0"
    android:layout_height="wrap_content" android:text="one"
    android:gravity="left"/>

    <EditText android:layout_width="fill_parent" android:layout_weight="1.0"
    android:layout_height="wrap_content" android:text="two"
    android:gravity="center"/>

    <EditText android:layout_width="fill_parent" android:layout_weight="0.0"
    android:layout_height="wrap_content" android:text="three"
    android:gravity="right"
    />
</LinearLayout>

satya - Friday, February 26, 2010 8:32:38 PM

Listing 4-27


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">

    <EditText android:layout_width="wrap_content" android:gravity="center"
    android:layout_height="wrap_content" android:text="one"
    android:layout_gravity="right"/>
</LinearLayout>

satya - Friday, February 26, 2010 8:33:16 PM

Listing 4-28


<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent">

    <TableRow>
        <TextView android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="First Name:"/>

        <EditText android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Barack"/>


    </TableRow>

    <TableRow>
        <TextView android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Last Name:"/>

        <EditText android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Obama"/>

    </TableRow>

</TableLayout>

satya - Friday, February 26, 2010 8:33:39 PM

Listing 4-29


<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent">

    <TableRow>
        <TextView android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="First Name:"/>

        <EditText android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Barack"/>

    </TableRow>

    <TableRow>
        <TextView android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Last Name:"/>

        <EditText android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Hussein"/>

        <EditText android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Obama"/>

    </TableRow>

</TableLayout>

satya - Friday, February 26, 2010 8:34:03 PM

Listing 4-30


<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:stretchColumns="0,1,2">

<EditText
    android:text="Full Name:"/>

    <TableRow>
        <TextView android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Barack"/>


        <TextView android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Hussein"/>


        <TextView android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:text="Obama"/>

    </TableRow>

</TableLayout>

satya - Friday, February 26, 2010 8:34:36 PM

Listing 4-31


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">

    <EditText android:layout_width="wrap_content"
    android:layout_height="wrap_content" android:text="one"
    android:padding="40px" />
</LinearLayout>

satya - Friday, February 26, 2010 8:34:56 PM

Listing 4-32


<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content">

<TextView android:id="@+id/userNameLbl"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Username: "
        android:layout_alignParentTop="true" />

<EditText android:id="@+id/userNameText"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
     android:layout_below="@id/userNameLbl" />

<TextView android:id="@+id/pwdLbl"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/userNameText"
          android:text="Password: " />

<EditText android:id="@+id/pwdText"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
     android:layout_below="@id/pwdLbl" />

<TextView android:id="@+id/pwdHintLbl"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/pwdText"
          android:text="Password Criteria... " />

<TextView android:id="@+id/disclaimerLbl"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
          android:text="Use at your own risk... " />

</RelativeLayout>

satya - Friday, February 26, 2010 8:35:42 PM

Listing 4-33


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.frame);


    ImageView one = (ImageView)this.findViewById(R.id.oneImgView);
    ImageView two = (ImageView)this.findViewById(R.id.twoImgView);

    one.setOnClickListener(new OnClickListener(){

        @Override
        public void onClick(View view) {
            ImageView two = (ImageView)FramelayoutActivity.this.
                                    findViewById(R.id.twoImgView);

            two.setVisibility(View.VISIBLE);

            view.setVisibility(View.GONE);
        }});

    two.setOnClickListener(new OnClickListener(){

        @Override
        public void onClick(View view) {
            ImageView one = (ImageView)FramelayoutActivity.
                                  this.findViewById(R.id.oneImgView);

            one.setVisibility(View.VISIBLE);

            view.setVisibility(View.GONE);
        }});
}

satya - Friday, February 26, 2010 8:39:24 PM

Listing 4-33 xml


<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/frmLayout"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">

       <ImageView
        android:id="@+id/oneImgView" android:src="@drawable/one"
        android:scaleType="fitCenter"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"/>
    <ImageView
        android:id="@+id/twoImgView" android:src="@drawable/two"
        android:scaleType="fitCenter"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:visibility="gone" />

</FrameLayout>

satya - Friday, February 26, 2010 8:39:49 PM

Listing 4-34


Spinner s2 = (Spinner) findViewById(R.id.spinner2);

adapter = ArrayAdapter.createFromResource(this, 
R.array.planets,android.R.layout.simple_spinner_item);

adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

s2.setAdapter(adapter);


<string-array name="planets">
    <item>Mercury</item>
    <item>Venus</item>
    <item>Earth</item>
    <item>Mars</item>
    <item>Jupiter</item>
    <item>Saturn</item>
    <item>Uranus</item>
    <item>Neptune</item>
</string-array>