初次提交

第2章 游戏开发基础知识/Sample2_3/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="gen"/>
+	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

第2章 游戏开发基础知识/Sample2_3/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Sample2_3</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ApkBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

第2章 游戏开发基础知识/Sample2_3/.settings/org.eclipse.jdt.core.prefs

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+#Fri Jul 01 08:01:10 CST 2011
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.6

第2章 游戏开发基础知识/Sample2_3/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+      android:versionCode="1"
+      android:versionName="1.0" package="com.bn.pp3">
+    <application android:icon="@drawable/icon" android:label="@string/app_name">
+        <activity android:name=".Sample2_3_Activity"
+                  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>
+
+
+</manifest> 

第2章 游戏开发基础知识/Sample2_3/default.properties

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+# This file is automatically generated by Android Tools.
+# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
+# 
+# This file must be checked in Version Control Systems.
+# 
+# To customize properties used by the Ant build system use,
+# "build.properties", and override values to adapt the script to your
+# project structure.
+
+# Project target.
+target=android-7

第2章 游戏开发基础知识/Sample2_3/gen/com/bn/pp3/R.java

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+/* AUTO-GENERATED FILE.  DO NOT MODIFY.
+ *
+ * This class was automatically generated by the
+ * aapt tool from the resource data it found.  It
+ * should not be modified by hand.
+ */
+
+package com.bn.pp3;
+
+public final class R {
+    public static final class attr {
+    }
+    public static final class drawable {
+        public static final int icon=0x7f020000;
+    }
+    public static final class id {
+        public static final int TextView01=0x7f050000;
+    }
+    public static final class layout {
+        public static final int main=0x7f030000;
+    }
+    public static final class string {
+        public static final int app_name=0x7f040001;
+        public static final int hello=0x7f040000;
+    }
+}

第2章 游戏开发基础知识/Sample2_3/res/layout/main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    >
+	<TextView  
+    android:layout_width="fill_parent" 
+    android:layout_height="wrap_content" 
+    android:text="Preferences操作"
+    android:textSize="18dip"
+    android:gravity="center"
+    />    
+	<TextView 
+	android:text="" 
+	android:id="@+id/TextView01" 
+	android:textColor="#000000"
+	android:background="#ffffff"
+	android:textSize="18dip"
+	android:layout_width="fill_parent" 
+	android:layout_height="wrap_content">
+	</TextView>
+</LinearLayout>

第2章 游戏开发基础知识/Sample2_3/res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="hello">Hello World, Sample3_5_Activity!</string>
+    <string name="app_name">Sample2_3</string>
+</resources>

第2章 游戏开发基础知识/Sample2_3/src/com/bn/pp3/Sample2_3_Activity.java

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+package com.bn.pp3;
+
+import java.util.Date;
+import android.app.Activity;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.widget.TextView;
+
+public class Sample2_3_Activity extends Activity {
+   @Override
+    public void onCreate(Bundle savedInstanceState) {	//重写onCreate方法
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main);					//设置layout
+        //获取SharedPreferences引用，存储名称为bn.xml，读写模式为私有
+        SharedPreferences sp=this.getSharedPreferences("bn", Context.MODE_PRIVATE);        
+        String lastLoginTime=sp.getString("time", null);//获取键为“time”的值       
+        if(lastLoginTime==null)			//若值为空，则为第一次登录本程序
+        {  	lastLoginTime="用户您好，欢迎您第一次光临本软件。";    }
+        else							//不为空，则修改字符串为上次登录时间
+        {  	lastLoginTime="用户您好，您上次进入时间为:"+lastLoginTime;    }        
+        SharedPreferences.Editor editor=sp.edit();	//修改Preferences文件
+        editor.putString("time", new Date().toLocaleString());	//修改键为“time”的值为当前时间
+        editor.commit();	//提交修改        
+        TextView tv=(TextView)this.findViewById(R.id.TextView01);	//获取用来显示的TextView
+        tv.setText(lastLoginTime);	//设置显示的字符串
+}}