Add v13 to the compatibility package.

Also remove ApiDemos from the package and instead
add each library-specific sample app to each v##
folder.

Change-Id: I2932bbb91c7122c122973902d1fcd159ca899381

build/Android.mk

@@ -75,3 +75,13 @@ $(android-support-v4_full_target): $(android-support-v4_build_module)
 	$(hide)$(ACP) $< $@
 
 ALL_SDK_FILES += $(android-support-v4_full_target)
+
+android-support-v13_build_module := $(TARGET_OUT_COMMON_INTERMEDIATES)/JAVA_LIBRARIES/android-support-v13_intermediates/javalib.jar
+android-support-v13_intermediates := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/android-support-v13_intermediates
+android-support-v13_full_target := $(android-support-v13_intermediates)/android-support-v13.jar
+$(android-support-v13_full_target): $(android-support-v13_build_module)
+	@echo Package android-support-v13.jar: $@
+	$(hide)mkdir -p $(dir $@)
+	$(hide)$(ACP) $< $@
+
+ALL_SDK_FILES += $(android-support-v13_full_target)

build/sdk.atree

@@ -154,7 +154,6 @@ development/samples/source.properties        samples/${PLATFORM_NAME}/source.pro
 development/samples/AccessibilityService       samples/${PLATFORM_NAME}/AccessibilityService
 development/samples/AccelerometerPlay          samples/${PLATFORM_NAME}/AccelerometerPlay
 development/samples/ApiDemos                   samples/${PLATFORM_NAME}/ApiDemos
-${OUT_DIR}/target/common/obj/PACKAGING/android-support-v4_intermediates/android-support-v4.jar    samples/${PLATFORM_NAME}/ApiDemos/libs/android-support-v4.jar
 development/samples/BackupRestore              samples/${PLATFORM_NAME}/BackupRestore
 development/samples/BasicGLSurfaceView         samples/${PLATFORM_NAME}/BasicGLSurfaceView
 development/samples/BluetoothChat              samples/${PLATFORM_NAME}/BluetoothChat
@@ -210,4 +209,7 @@ development/sdk/compatibility_README.txt
 sdk/files/sdk_files_NOTICE.txt                                                                    extras/android/compatibility/NOTICE.txt
 ${OUT_DIR}/target/common/obj/PACKAGING/android-support-v4_intermediates/android-support-v4.jar    extras/android/compatibility/v4/android-support-v4.jar
 frameworks/support/v4                                                                             extras/android/compatibility/v4/src
-development/samples/ApiDemos                                                                      extras/android/compatibility/v4/samples/ApiDemos
+development/samples/Support4Demos                                                                 extras/android/compatibility/v4/samples/Support4Demos
+${OUT_DIR}/target/common/obj/PACKAGING/android-support-v13_intermediates/android-support-v13.jar  extras/android/compatibility/v13/android-support-v13.jar
+frameworks/support/v13                                                                            extras/android/compatibility/v13/src
+development/samples/Support13Demos                                                                extras/android/compatibility/v13/samples/Support13Demos

sdk/compatibility_README.txt

@@ -4,7 +4,10 @@ This SDK component contains static libraries providing access to newer APIs
 on older platforms. To use those libraries, simply copy them as static libraries
 into your project.
 
-"v4" provides support for using new APIs on Android API 4 (1.6 - Donut) and above.
+Each library is called v<api>, indicating the minimum API level that they require.
+
+
+*** V4 ***
 
 v4/android-support-v4.jar contains:
 - Fragment API. New in API 11 (3.0 - Honeycomb). http://developer.android.com/reference/android/app/Fragment.html
@@ -13,4 +16,13 @@ v4/android-support-v4.jar contains:
 - MenuCompat allows calling MenuItem.setShowAsAction which only exists on API 11.
 
 v4/src/ is the source code for the compatibility library
-v4/samples/ provides a version of ApiDemos using the library.
+v4/samples/ provides a sample app using the library.
+
+
+*** V13 ***
+
+Provides the same features as v4, plus:
+- FragmentPagerAdapter: Implementation of PagerAdapter that represents each page as a Fragment.
+
+v13/src/ is the source code for the compatibility library, not including the v4 source
+v13/samples/ provides a sample app using the library.