Saturday, June 22, 2013

GridView Animation In Android

The Android Development Tutorials blog contains Basic as well as Advanced android tutorials.Go to Android Development Tutorials to get list of all Android Tutorials.

GridView



In Android we can animate a GridView  to make it more interactive and enhance the user experience.

To animate a GridView we need animation resource.

In this Example I have used two types of Animation.
Type 1: GridView will come In on Screen from  Top Left corner. (fly_in_from_top_corner.xml has been used for this)  See Snapshot 1 below
Type 2: GridView will come In on Screen from  Center of the Screen.(fly_in_from_center.xml has been used for this)  See Snapshot 2 below

To learn Basic of Android Animation  go to  Android Animation Tutorial

Animation  Resources

 fly_in_from_top_corner.xml


<set xmlns:android="http://schemas.android.com/apk/res/android" android:shareInterpolator="true">
    <scale android:interpolator="@android:anim/decelerate_interpolator"
           android:fromXScale="0.0" android:toXScale="1.0"
           android:fromYScale="0.0" android:toYScale="1.0"
           android:pivotX="100%" android:pivotY="0%"
           android:fillAfter="false" android:duration="5000"/>
</set>


 fly_in_from_center.xml


<set xmlns:android="http://schemas.android.com/apk/res/android" android:shareInterpolator="true">
    <scale android:interpolator="@android:anim/decelerate_interpolator"
           android:fromXScale="1.0" android:toXScale="0.0"
           android:fromYScale="1.0" android:toYScale="0.0"
           android:pivotX="50%" android:pivotY="50%"
           android:fillAfter="false" android:duration="1000"/>
</set>


Create a new Folder "anim" inside  "res" folder and put these two animation resource files in "anim" folder

main.xml


<LinearLayout
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    android:background="#4D9494"
    xmlns:android="http://schemas.android.com/apk/res/android">

    <GridView
        android:id="@+id/gridView"
        android:verticalSpacing="5dp"
        android:horizontalSpacing="5dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:numColumns="3" >
    </GridView>

</LinearLayout>



GridView
                                                             Snapshot 1: GridView is Coming from Top Corner


GridView
                                                                  Snapshot 2: GridView is Coming from Center



GridViewActivity 

 

public class MainActivity extends Activity
{
   
     static final String[] numbers = new String[] {
           "A", "B", "C", "D", "E",
           "F", "G", "H", "I", "J",
           "K", "L", "M", "N", "O",
           "P", "Q", "R", "S", "T",
           "U", "V", "W", "X", "Y", "Z"};

   
             GridView gridView;
            @Override
            protected void onCreate(Bundle savedInstanceState)
            {
                        super.onCreate(savedInstanceState);
                        setContentView(R.layout.main);
                       
                        gridView=(GridView)findViewById(R.id.gridView);
                       
                        // Create the ArrayAdapter
                        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
                                android.R.layout.simple_list_item_1, numbers);
                       
                        // Set the Adapter to GridView
                        gridView.setAdapter(adapter);
                           
                        // Set the Required Animation to GridView and start the Animation

                        // use fly_in_from_center to have 2nd type of animation effect (snapshot 2)
                        Animation anim = AnimationUtils.loadAnimation(getApplicationContext(), R.anim.fly_in_from_top_corner);
                        gridView.setAnimation(anim);
                        anim.start()
;
            }
   
}




GridView

 


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Working With Layouts                                                                Working With Views

Understanding Layouts in Android                                                   Using Buttons and EditText in Android
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Relative Layout In Android                                                               ListView
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