4. android 滚动视图

目录结构

第一步：

ScrollViewActivity.java

package com.taofu5; import android.app.Activity; import android.os.Bundle; import android.widget.ScrollView; import android.widget.TextView; public class ScrollViewActivity extends Activity { ScrollView scrollView; String msg = "滚动视图,滚动视图演示滚动视图,滚动视图演示滚动视图"; String str = ""; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); scrollView = new ScrollView(this); TextView tv = new TextView(this); tv.setTextSize(23); for(int i=0; i<20; i++) { str = str + msg; } tv.setText(str); scrollView.addView(tv); setContentView(scrollView); } }

第二步

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.taofu5" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".ScrollViewActivity" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <uses-sdk android:minSdkVersion="7" /> </manifest>

效果如下：

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