android.widget.ViewSwitcher is a sub-class of ViewAnimator, switches between two views, and has a factory from which these views are created. You can either use the factory to create the views, or add them yourself.
A ViewSwitcher can only have two child views, of which only one is shown at a time. If you have more than two child views in ViewSwitch, java.lang.IllegalStateException of "Cant add more than 2 views to a ViewSwitcher" will happen.
- Compare with ViewAnimator
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A ViewSwitcher can only have two child views, of which only one is shown at a time. If you have more than two child views in ViewSwitch, java.lang.IllegalStateException of "Cant add more than 2 views to a ViewSwitcher" will happen.
<LinearLayout 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"
android:orientation="vertical"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:autoLink="web"
android:text="http://android-er.blogspot.com/"
android:textStyle="bold" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<Button
android:id="@+id/prev"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="previous" />
<Button
android:id="@+id/next"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="next" />
</LinearLayout>
<ViewSwitcher
android:id="@+id/viewswitcher"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_launcher" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:orientation="vertical" >
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="- Button 2 -" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="LinearLayout 2" />
</LinearLayout>
</ViewSwitcher>
</LinearLayout>
package com.example.androidviewswitcher;
import android.os.Bundle;
import android.app.Activity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ViewSwitcher;
public class MainActivity extends Activity {
Button buttonPrev, buttonNext;
ViewSwitcher viewSwitcher;
Animation slide_in_left, slide_out_right;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
buttonPrev = (Button) findViewById(R.id.prev);
buttonNext = (Button) findViewById(R.id.next);
viewSwitcher = (ViewSwitcher) findViewById(R.id.viewswitcher);
slide_in_left = AnimationUtils.loadAnimation(this,
android.R.anim.slide_in_left);
slide_out_right = AnimationUtils.loadAnimation(this,
android.R.anim.slide_out_right);
viewSwitcher.setInAnimation(slide_in_left);
viewSwitcher.setOutAnimation(slide_out_right);
buttonPrev.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
viewSwitcher.showPrevious();
}
});
buttonNext.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
viewSwitcher.showNext();
}
});
;
}
}
- Compare with ViewAnimator
