ViewAnimator
A ViewAnimator is used to animate or switch between the screens.
In this tutorial I will show how to use ViewAnimator to switch between screen with Animation.
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout
android:id="@+id/LinearLayout01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true" >
<ViewAnimator
android:id="@+id/viewAnimator1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<ImageView
android:id="@+id/imageView1"
android:src="@drawable/img1"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</ImageView>
<Button
android:id="@+id/button"
android:text="This Is My Button"
android:layout_gravity="center_vertical"
android:textSize="30dp"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
</Button>
<ImageView
android:id="@+id/imageView2"
android:src="@drawable/img2"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</ImageView>
<TextView
android:id="@+id/textView1"
android:text=" This Is My Text "
android:textSize="30dp"
android:textColor="#0000FF"
android:layout_gravity="center_vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</TextView>
</ViewAnimator>
</LinearLayout>
<LinearLayout
android:id="@+id/LinearLayout02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="400dp" >
<Button
android:id="@+id/buttonNext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Previous" />
<Button
android:id="@+id/buttonPrevious"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=" Next " />
</LinearLayout>
</RelativeLayout>
public class MainActivity extends Activity
{
Button btnNext,btnPrevious;
ViewAnimator viewAnimator;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
viewAnimator = (ViewAnimator) findViewById(R.id.viewAnimator1);
final Animation inAnim = AnimationUtils.loadAnimation(this,android.R.anim.slide_in_left);
final Animation outAnim = AnimationUtils.loadAnimation(this,android.R.anim.slide_out_right);
viewAnimator.setInAnimation(inAnim);
viewAnimator.setOutAnimation(outAnim);
viewAnimator.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
viewAnimator.showNext();
}
});
Button btn1 = (Button) findViewById(R.id.buttonNext);
btn1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
viewAnimator.showPrevious();
}
});
Button btn2 = (Button) findViewById(R.id.buttonPrevious);
btn2.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
viewAnimator.showNext();
}
});
}
}
A ViewAnimator is used to animate or switch between the screens.
In this tutorial I will show how to use ViewAnimator to switch between screen with Animation.
ViewAnimator Example
main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout
android:id="@+id/LinearLayout01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true" >
<ViewAnimator
android:id="@+id/viewAnimator1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<ImageView
android:id="@+id/imageView1"
android:src="@drawable/img1"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</ImageView>
<Button
android:id="@+id/button"
android:text="This Is My Button"
android:layout_gravity="center_vertical"
android:textSize="30dp"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
</Button>
<ImageView
android:id="@+id/imageView2"
android:src="@drawable/img2"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</ImageView>
<TextView
android:id="@+id/textView1"
android:text=" This Is My Text "
android:textSize="30dp"
android:textColor="#0000FF"
android:layout_gravity="center_vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</TextView>
</ViewAnimator>
</LinearLayout>
<LinearLayout
android:id="@+id/LinearLayout02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="400dp" >
<Button
android:id="@+id/buttonNext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Previous" />
<Button
android:id="@+id/buttonPrevious"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=" Next " />
</LinearLayout>
</RelativeLayout>
MainActivity.java
public class MainActivity extends Activity
{
Button btnNext,btnPrevious;
ViewAnimator viewAnimator;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
viewAnimator = (ViewAnimator) findViewById(R.id.viewAnimator1);
final Animation inAnim = AnimationUtils.loadAnimation(this,android.R.anim.slide_in_left);
final Animation outAnim = AnimationUtils.loadAnimation(this,android.R.anim.slide_out_right);
viewAnimator.setInAnimation(inAnim);
viewAnimator.setOutAnimation(outAnim);
viewAnimator.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
viewAnimator.showNext();
}
});
Button btn1 = (Button) findViewById(R.id.buttonNext);
btn1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
viewAnimator.showPrevious();
}
});
Button btn2 = (Button) findViewById(R.id.buttonPrevious);
btn2.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
viewAnimator.showNext();
}
});
}
}
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