mainActivity如下:
package c.c;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.AnimationUtils;
import android.widget.TextSwitcher;
import android.widget.TextView;
import android.widget.ViewSwitcher.ViewFactory;
public class MainActivity extends Activity {
private TextSwitcher mIextSwitcher;
private String texts [];
private int textIndex=0;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
init();
}
private void init(){
texts=new String[]{"空山新雨后","天气晚来秋","明月松间照","清泉石上流"};
mIextSwitcher=(TextSwitcher) findViewById(R.id.textSwitcher);
//设置用于显示文字的TextView
mIextSwitcher.setFactory(new ViewFactory() {
public View makeView() {
TextView textView=new TextView(MainActivity.this);
textView.setTextSize(30);
return textView;
}
});
//处理点击事件
mIextSwitcher.setOnClickListener(new ClickListenerImpl());
//设置文字进入和退出动画
mIextSwitcher.setInAnimation
(AnimationUtils.loadAnimation(MainActivity.this, android.R.anim.slide_in_left));
mIextSwitcher.setOutAnimation
(AnimationUtils.loadAnimation(MainActivity.this, android.R.anim.slide_in_left));
//设置初始时显示的文字
mIextSwitcher.setText(texts[textIndex]);
}
private class ClickListenerImpl implements OnClickListener {
public void onClick(View v) {
textIndex++;
if (textIndex == texts.length) {
textIndex = 0;
}
mIextSwitcher.setText(texts[textIndex]);
}
}
}
main.xml如下:
<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" >
<TextSwitcher
android:id="@+id/textSwitcher"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
/>
</RelativeLayout>
