Android之TextSwitcher
16lz
2022-06-18
一. 简单示例
src
public class AndroidUIActivity extends Activity {// 索引private int index;// 文本数组private String[] poemArray = { "we", "are", "good", "friends" };/** Called when the activity is first created. */@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);//定义文字切换器final TextSwitcher ts = (TextSwitcher) findViewById(R.id.textSwitcher1);//定义视图显示工厂,并设置ts.setFactory(new ViewFactory() {public View makeView() {TextView tv =new TextView(AndroidUIActivity.this);tv.setTextSize(32);tv.setTextColor(Color.GREEN);return tv;}});// 设置图片来源ts.setText(poemArray[index]);// 设置点击监听器ts.setOnClickListener(new View.OnClickListener() {public void onClick(View v) {// 点击会切换图片index++;if (index >= poemArray.length) {index = 0;}ts.setText(poemArray[index]);}});// 设置切入动画ts.setInAnimation(AnimationUtils.loadAnimation(getApplicationContext(), android.R.anim.slide_in_left));// 设置切出动画ts.setOutAnimation(AnimationUtils.loadAnimation(getApplicationContext(), android.R.anim.slide_out_right));}}
main.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextSwitcher android:id="@+id/textSwitcher1" android:layout_width="match_parent" android:layout_height="wrap_content" > </TextSwitcher></LinearLayout>
二. 运行结果
启动
点击we后(只能点击文字)
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