<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">    <TextSwitcher        android:id="@+id/textSwitcher1"        android:layout_width="wrap_content"        android:layout_height="match_parent"        android:inAnimation="@android:anim/slide_in_left"        android:outAnimation="@android:anim/slide_out_right"         android:onClick="next"/></LinearLayout>

package com.example.textswitcher;import android.app.Activity;import android.graphics.Color;import android.os.Bundle;import android.view.View;import android.widget.TextSwitcher;import android.widget.TextView;import android.widget.ViewSwitcher.ViewFactory;public class MainActivity extends Activity {    TextSwitcher textSwitcher;    String[] strs=new String[]{            "高等数学",            "线性代数",            "离散数学",            "安卓讲义"    };    int curStr;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        textSwitcher=(TextSwitcher) findViewById(R.id.textSwitcher1);        textSwitcher.setFactory(new ViewFactory(){            @Override            public View makeView() {                TextView tv=new TextView(MainActivity.this);                tv.setTextSize(40);                tv.setTextColor(Color.MAGENTA);                return tv;            }                    });        next(null);    }    public void next(View v) {        textSwitcher.setText(strs[curStr++%strs.length]);            }    }