First Commit for HelloNewWorld Project

HelloNewWorld/.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/classes"/>
+</classpath>

HelloNewWorld/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>HelloNewWorld</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>

HelloNewWorld/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+      package="com.yarin.Android.HelloAndroid"
+      android:versionCode="1"
+      android:versionName="1.0">
+    <application android:label="@string/app_name" android:icon="@drawable/icon">
+        <activity android:label="@string/app_name" android:name=".HelloNewWorld">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name=".Activity02"></activity>
+    </application>
+
+	<uses-sdk android:minSdkVersion="10"></uses-sdk>
+</manifest>

HelloNewWorld/proguard.cfg

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+-optimizationpasses 5
+-dontusemixedcaseclassnames
+-dontskipnonpubliclibraryclasses
+-dontpreverify
+-verbose
+-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
+
+-keep public class * extends android.app.Activity
+-keep public class * extends android.app.Application
+-keep public class * extends android.app.Service
+-keep public class * extends android.content.BroadcastReceiver
+-keep public class * extends android.content.ContentProvider
+-keep public class * extends android.app.backup.BackupAgentHelper
+-keep public class * extends android.preference.Preference
+-keep public class com.android.vending.licensing.ILicensingService
+
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+-keepclasseswithmembernames class * {
+    public <init>(android.content.Context, android.util.AttributeSet);
+}
+
+-keepclasseswithmembernames class * {
+    public <init>(android.content.Context, android.util.AttributeSet, int);
+}
+
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+-keep class * implements android.os.Parcelable {
+  public static final android.os.Parcelable$Creator *;
+}

HelloNewWorld/project.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,
+# "ant.properties", and override values to adapt the script to your
+# project structure.
+
+# Project target.
+target=android-10

HelloNewWorld/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="@string/hello"
+    />
+	<Button 
+		android:layout_height="wrap_content" 
+		android:id="@+id/button1" 
+		android:text="切换到2" 
+		android:layout_width="100px"
+		android:layout_x="100px"
+		android:layout_y="80px"
+	>
+	</Button>
+</LinearLayout>

HelloNewWorld/res/layout/mainactivity.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="@string/hello2"
+    >
+    </TextView>
+    <Button
+      android:id="@+id/button2"
+      android:layout_width="100px"
+      android:layout_height="wrap_content"
+      android:layout_x="100px"
+      android:layout_y="80px"
+      android:text="切换到1"
+    >
+    </Button>
+</LinearLayout>

HelloNewWorld/res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="hello">Hello World, HelloNewWorld!</string>
+    <string name="app_name">HelloNewWorld</string>
+    <string name="hello2">The Second Activity</string>
+</resources>

HelloNewWorld/src/com/yarin/Android/HelloAndroid/Activity02.java

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+package com.yarin.Android.HelloAndroid;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.content.Intent;
+import android.view.View;
+//import android.view.View.OnClickListener;
+import android.widget.Button;
+
+
+public class Activity02 extends Activity{
+
+	static final String TAG2 ="HelloNewWorld2";
+
+	public void onCreate(Bundle savedInstanceState){
+	Log.e(TAG2,"Creat2");		
+	super.onCreate(savedInstanceState);
+	//Show the view of activity2 which is defined in mainactivity.xml
+	Log.e(TAG2,"Layout2");
+	setContentView(R.layout.mainactivity);
+	//根据ID编号从布局文件mainactivity中获取按键
+	Button button=(Button)findViewById(R.id.button2);
+
+	button.setOnClickListener(new Button.OnClickListener(){
+		public void onClick(View v){
+			Intent intent=new Intent();
+
+			intent.setClass(Activity02.this,HelloNewWorld.class);
+
+			startActivity(intent);
+
+			Activity02.this.finish();
+		}
+	});		
+	}
+}

HelloNewWorld/src/com/yarin/Android/HelloAndroid/HelloNewWorld.java

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+package com.yarin.Android.HelloAndroid;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.content.Intent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+
+
+public class HelloNewWorld extends Activity {
+
+	/* 定义TAG标签，打印调试日志*/
+	static final String TAG ="HelloNewWorld";
+
+
+    /** Called when the activity is first created. */
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        /*打印Log信息*/
+        Log.v(TAG,"VERBOSE");
+        Log.d(TAG,"DEBUG");
+        Log.i(TAG,"INFO");
+        Log.w(TAG,"WARN");
+        Log.e(TAG,"ERROR");
+
+        setContentView(R.layout.main);
+
+        Button button=(Button)findViewById(R.id.button1);
+
+		button.setOnClickListener(button1);
+    }
+		private OnClickListener button1=new OnClickListener() {
+			public void onClick(View v)
+			{
+				/* 新建一个Intent对象 */
+				Intent intent = new Intent();
+				/* 指定intent要启动的类 */
+				intent.setClass(HelloNewWorld.this, Activity02.class);
+				/* 启动一个新的Activity */
+				startActivity(intent);
+				/* 关闭当前的Activity */
+				HelloNewWorld.this.finish();
+			}
+		};      
+}
+
+