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第18章 传感器应用的开发/Sample18_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18章 传感器应用的开发/Sample18_3/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Sample18_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18章 传感器应用的开发/Sample18_3/.settings/org.eclipse.jdt.core.prefs

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+#Mon Dec 05 18:53:37 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18章 传感器应用的开发/Sample18_3/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.bn.Sample18_3"
+      android:versionCode="1"
+      android:versionName="1.0">
+    <uses-sdk android:minSdkVersion="8" />
+
+    <application android:icon="@drawable/icon" android:label="@string/app_name">
+        <activity android:name=".MyActivity"
+                  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18章 传感器应用的开发/Sample18_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-8

第18章 传感器应用的开发/Sample18_3/gen/com/bn/Sample18_3/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.Sample18_3;
+
+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 info=0x7f050001;
+        public static final int light=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18章 传感器应用的开发/Sample18_3/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>;
+}
+
+-keepclasseswithmembers class * {
+    public <init>(android.content.Context, android.util.AttributeSet);
+}
+
+-keepclasseswithmembers class * {
+    public <init>(android.content.Context, android.util.AttributeSet, int);
+}
+
+-keepclassmembers class * extends android.app.Activity {
+   public void *(android.view.View);
+}
+
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+-keep class * implements android.os.Parcelable {
+  public static final android.os.Parcelable$Creator *;
+}

第18章 传感器应用的开发/Sample18_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:text="光传感器"
+    	android:gravity="center_horizontal"
+    	android:layout_width="fill_parent" 
+   	 	android:layout_height="wrap_content"
+    	android:textSize="22dip"/>
+
+	<TextView 
+	    android:id="@+id/light"
+	    android:layout_width="fill_parent" 
+	    android:layout_height="wrap_content"
+	    android:textSize="22dip"/>
+	    
+	<TextView 
+	    android:id="@+id/info"
+	    android:layout_width="fill_parent" 
+	    android:layout_height="wrap_content"
+	    android:textSize="18dip"/>
+	    
+</LinearLayout>

第18章 传感器应用的开发/Sample18_3/res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="hello">Hello World, MyActivity!</string>
+    <string name="app_name">Sample18_3</string>
+</resources>

第18章 传感器应用的开发/Sample18_3/src/com/bn/Sample18_3/MyActivity.java

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+package com.bn.Sample18_3;
+
+
+import com.bn.Sample18_3.R;
+
+import android.app.Activity;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
+import android.os.Bundle;
+import android.view.KeyEvent;
+import android.widget.TextView;
+public class MyActivity extends Activity {
+	SensorManager mySensorManager;	//SensorManager对象引用	
+	Sensor myLight; 	//传感器类型
+	TextView light;	//TextView对象引用	
+	TextView info;	
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main); 
+        light = (TextView)findViewById(R.id.light);	//用于显示光强度的
+        info= (TextView)findViewById(R.id.info);//用于显示手机中光传感器的相关信息
+        //获得SensorManager对象
+        mySensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);	
+        //传感器的类型为光传感器
+        myLight=mySensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);
+        //创建一个StringBuffer
+        StringBuffer strb=new StringBuffer();
+        strb.append("\n名称: ");
+        strb.append(myLight.getName());
+        strb.append("\n耗电量(mA) : ");
+        strb.append(myLight.getPower());
+        strb.append("\n类型编号  : ");
+        strb.append(myLight.getType());
+        strb.append("\n制造商: ");
+        strb.append(myLight.getVendor());
+        strb.append("\n版本: ");
+        strb.append(myLight.getVersion());
+        strb.append("\n最大测量范围: ");
+        strb.append(myLight.getMaximumRange());
+        info.setText(strb.toString());	//将信息字符串赋予名为info的TextView
+    }
+    @Override
+	protected void onResume(){ //重写onResume方法
+		super.onResume();
+		mySensorManager.registerListener(
+				mySensorListener, 		//添加监听
+				myLight, 		//传感器类型
+				SensorManager.SENSOR_DELAY_NORMAL	//传感器事件传递的频度
+		);
+	}	
+	@Override
+	protected void onPause(){//重写onPause方法	
+		super.onPause();
+		mySensorManager.unregisterListener(mySensorListener);//取消注册监听器
+	}
+	private SensorEventListener mySensorListener = 
+		new SensorEventListener(){//开发实现了SensorEventListener接口的传感器监听器
+		@Override
+		public void onAccuracyChanged(Sensor sensor, int accuracy){}
+		@Override
+		public void onSensorChanged(SensorEvent event){
+			float []values=event.values;
+			light.setText("光的强度为："+values[0]);			
+		}
+	};
+	
+	@Override
+	public boolean onKeyDown(int keyCode,KeyEvent e)
+	{
+		switch(keyCode)
+	    	{
+		case 4:
+			System.exit(0);
+			break;
+	    	}
+		return true;
+	}
+	
+}