Android常用UI编程_TextView实现Activity转变

记得在Manifest添加Activity：

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.textview_showactivity"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="17" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.textview_showactivity.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".Activity1" >
        </activity>
        <activity android:name=".Activity2" >
        </activity>
    </application>

</manifest>

package com.example.textview_showactivity;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.method.LinkMovementMethod;
import android.text.style.ClickableSpan;
import android.view.Menu;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends Activity {
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        TextView textView1 = (TextView) findViewById(R.id.textview1);
        TextView textView2 = (TextView) findViewById(R.id.textview2);

        String text1 = "显示Activity1";
        String text2 = "显示Activity2";

        // 主要用于拆分字符串
        SpannableString spannableString1 = new SpannableString(text1);
        SpannableString spannableString2 = new SpannableString(text2);

        // 设置触发链接的文字从第一个到String的尾部
        spannableString1.setSpan(new ClickableSpan() {
            public void onClick(View widget) {
                Intent intent1 = new Intent(MainActivity.this, Activity1.class);
                startActivity(intent1);
            }
        }, 0, text1.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

        spannableString2.setSpan(new ClickableSpan() {
            public void onClick(View widget) {
                Intent intent2 = new Intent(MainActivity.this, Activity2.class);
                startActivity(intent2);
            }
        }, 0, text2.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

        textView1.setText(spannableString1);
        textView2.setText(spannableString2);

        textView1.setMovementMethod(LinkMovementMethod.getInstance());
        textView2.setMovementMethod(LinkMovementMethod.getInstance());
    }

    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

}