android_常用UI控件_01_TextView3_点击打开新的activity

package com.example.android_textview_opennewactivity;

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.method.MovementMethod;
import android.text.style.ClickableSpan;
import android.view.Menu;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
private TextView textview1;
private TextView textview2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textview1 = (TextView) this.findViewById(R.id.textview01);
textview2 = (TextView) this.findViewById(R.id.textview02);
String text1,text2;
text1 = "打开activity1";
text2 = "打开activity2";
//拆分字符串
SpannableString spannablestring1 = new SpannableString(text1);
SpannableString spannablestring2 = new SpannableString(text2);
spannablestring1.setSpan(new ClickableSpan() {
@Override
public void onClick(View widget) {
// TODO Auto-generated method stub
//点击后打开新的意图
Intent intent = new Intent(MainActivity.this, Activity1.class);
startActivity(intent);
}
}, 0, text1.length(), Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
textview1.setText(spannablestring1);
spannablestring2.setSpan(new ClickableSpan() {

@Override
public void onClick(View widget) {
// TODO Auto-generated method stub
Intent intent = new Intent(MainActivity.this, Activity2.class);
startActivity(intent);
}
}, 0, text2.length(), Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
textview2.setText(spannablestring2);
//设置textview点击事件
textview1.setMovementMethod(LinkMovementMethod.getInstance());
textview2.setMovementMethod(LinkMovementMethod.getInstance());
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}

<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"
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:id="@+id/textview01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20sp" />

<TextView
android:id="@+id/textview02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20sp"
android:layout_marginTop="50dp"
/>

</RelativeLayout>

package com.example.android_textview_opennewactivity;

import android.app.Activity;
import android.os.Bundle;

public class Activity1 extends Activity {

public Activity1() {
// TODO Auto-generated constructor stub
}

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
this.setTitle("Activity1");
}

}

package com.example.android_textview_opennewactivity;

import android.app.Activity;
import android.os.Bundle;

public class Activity2 extends Activity {

public Activity2() {
// TODO Auto-generated constructor stub
}

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
this.setTitle("Activity2");
}

}

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

<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />

<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.android_textview_opennewactivity.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>