Encryption demo.

encryption/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.novoda"
+      android:versionCode="1"
+      android:versionName="1.0">
+
+
+    <application android:icon="@drawable/icon" android:label="@string/app_name" android:theme="@style/Theme.Demo" >
+        <activity android:name=".Encrypt"
+                  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>

encryption/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 *;
+}

encryption/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"
+    style="@style/Fill">
+
+    <LinearLayout style="@style/Fill.Width.Horizontal">
+		<TextView android:text="Encrypted: " />
+    	<TextView android:id="@+id/txt_encrypted" />
+    </LinearLayout>
+
+    <LinearLayout style="@style/Fill.Width.Horizontal">
+    	<TextView android:text="After: " />
+    	<TextView android:id="@+id/txt_unencrypted" />
+    </LinearLayout>
+
+</LinearLayout>

encryption/res/values/strings.xml

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

encryption/res/values/styles_activities.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+	<style name="TEXT" />
+	<style name="TEXT.h1">
+		<item name="android:textSize">20sp</item>
+	</style>
+	<style name="TEXT.h1.white">
+		<item name="android:textColor">@android:color/white</item>
+	</style>
+	<style name="TEXT.li">
+		<item name="android:textSize">18sp</item>
+	</style>
+
+</resources>

encryption/res/values/styles_master.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+	<style name="Fill">
+		<item name="android:layout_width">fill_parent</item>
+		<item name="android:layout_height">fill_parent</item>
+		<item name="android:orientation">vertical</item>
+	</style>
+	<style name="Wrap">
+		<item name="android:layout_width">wrap_content</item>
+		<item name="android:layout_height">wrap_content</item>
+		<item name="android:orientation">vertical</item>
+	</style>
+	<style name="Fill.Height" parent="@style/Fill">
+		<item name="android:layout_width">wrap_content</item>
+	</style>
+	<style name="Fill.Width" parent="@style/Fill">
+		<item name="android:layout_height">wrap_content</item>
+	</style>
+	<style name="Fill.Width.Horizontal" parent="@style/Fill.Width">
+		<item name="android:orientation">horizontal</item>
+	</style>
+	<style name="Fill.Height.Horizontal" parent="@style/Fill.Height">
+		<item name="android:orientation">horizontal</item>
+	</style>
+	<style name="Fill.Horizontal" parent="@style/Fill">
+		<item name="android:orientation">horizontal</item>
+	</style>
+</resources>

encryption/res/values/styles_theme.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+	<!-- _THEME -->
+    <style name="Theme" parent="android:Theme" />
+    <style name="Theme.Demo" parent="android:style/Theme.Light">
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowContentOverlay">@null</item>
+        <item name="android:layout_width">wrap_content</item>
+		<item name="android:layout_height">wrap_content</item>
+		<item name="android:windowBackground">@android:color/white</item>
+    </style>
+
+    <!-- Widget Styles -->
+    <style name="Widget">
+        <item name="android:textAppearance">?android:attr/textAppearance</item>
+    </style>
+
+
+</resources>