Added example of AsyncTaskFragment

BackgroundThreadFragment/.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="lib" path="libs/android-support-v4.jar"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

BackgroundThreadFragment/.project

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

BackgroundThreadFragment/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.inazaruk.backgroundthread"
+      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=".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>
+
+    </application>
+</manifest>

BackgroundThreadFragment/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

BackgroundThreadFragment/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 *;
+}

BackgroundThreadFragment/res/layout/bkthread.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">
+
+    <LinearLayout 
+       	android:layout_width="fill_parent"
+    	android:layout_height="wrap_content">
+
+    	<TextView	    	
+		    android:layout_width="0dp"
+		    android:layout_weight="1"
+		    android:layout_height="wrap_content" 
+		    android:text="status: " />
+
+	    <TextView  
+	    	android:id="@+id/status"
+		    android:layout_width="0dp"
+		    android:layout_weight="1" 
+		    android:layout_height="wrap_content" 
+		    android:text="idle" />
+
+	</LinearLayout>
+
+    <LinearLayout 
+       	android:layout_width="fill_parent"
+    	android:layout_height="wrap_content">
+
+    	<TextView	    	
+		    android:layout_width="0dp"
+		    android:layout_weight="1" 
+		    android:layout_height="wrap_content" 
+		    android:text="progres: " />
+
+		<TextView  
+			android:id="@+id/progress"
+		    android:layout_width="0dp"
+		    android:layout_weight="1" 
+		    android:layout_height="wrap_content" 
+		    android:text="0" />
+
+	</LinearLayout>
+
+	<LinearLayout 
+       	android:layout_width="fill_parent"
+    	android:layout_height="wrap_content">
+
+    	<TextView	    	
+		    android:layout_width="0dp"
+		    android:layout_weight="1"
+		    android:layout_height="wrap_content" 
+		    android:text="result: " />
+
+	    <TextView  
+			android:id="@+id/result"
+		    android:layout_width="0dp"
+		    android:layout_weight="1"  
+		    android:layout_height="wrap_content" 
+		    android:text="-" />
+
+	</LinearLayout>
+
+	<LinearLayout 
+    	android:layout_width="fill_parent"
+    	android:layout_height="wrap_content">
+
+    	<Button
+    		android:id="@+id/start"
+    		android:layout_width="0dp"
+    		android:layout_weight="1"
+    		android:layout_height="wrap_content"
+    		android:text="start" />
+
+    	<Button
+    		android:id="@+id/stop"
+    		android:layout_width="0dp"
+    		android:layout_weight="1"
+    		android:layout_height="wrap_content"
+    		android:text="cancel" />
+
+    </LinearLayout>
+
+</LinearLayout>

BackgroundThreadFragment/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:id="@+id/bkthread"
+    android:orientation="vertical"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    >
+
+	<LinearLayout 
+    	android:layout_width="fill_parent"
+    	android:layout_height="wrap_content">
+
+    	<Button
+    		android:layout_width="0dp"
+    		android:layout_weight="1"
+    		android:layout_height="wrap_content"
+    		android:text="reset" 
+    		android:onClick="onReset"/>
+
+    </LinearLayout>
+
+</LinearLayout>

BackgroundThreadFragment/res/values/strings.xml

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