ExtView: Add samples for using KeyguardExternalViews

This adds two samples, samples/externalviews/keyguardviewprovider
which provides an example of creating a third party keyguard component,
and samples/externalviews/setleygiardviewprovider which allows setting
and clearing of the third party keyguard component.

Change-Id: Ia9c564d602f1b6d44953eb05f2ffcf3f44663ece

21 files changed, 485 insertions, 0 deletions

diff --git a/samples/externalviews/keyguardviewprovider/Android.mk b/samples/externalviews/keyguardviewprovider/Android.mk
new file mode 100644
index 0000000..730e7bc
--- /dev/null
+++ b/samples/externalviews/keyguardviewprovider/Android.mk
@@ -0,0 +1,27 @@
+# Copyright (C) 2015 The CyanogenMod Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_STATIC_JAVA_LIBRARIES := \
+    org.cyanogenmod.platform.sdk
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src/)
+
+LOCAL_PACKAGE_NAME := CMKeyguardExternalViewProvider
+
+# Need a permission that is signature|privileged
+LOCAL_PRIVILEGED_MODULE := true
+
+include $(BUILD_PACKAGE)
\ No newline at end of file
diff --git a/samples/externalviews/keyguardviewprovider/AndroidManifest.xml b/samples/externalviews/keyguardviewprovider/AndroidManifest.xml
new file mode 100644
index 0000000..145cd92
--- /dev/null
+++ b/samples/externalviews/keyguardviewprovider/AndroidManifest.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2015 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="org.cyanogenmod.samples.keyguardextview"
+          android:versionCode="1"
+          android:versionName="1.0">
+
+    <uses-sdk android:minSdkVersion="23" android:targetSdkVersion="23" />
+
+    <!-- Required permission for third party keyguard components -->
+    <uses-permission android:name="android.permission.THIRD_PARTY_KEYGUARD" />
+
+    <application android:label="@string/app_name" android:icon="@drawable/ic_launcher">
+        <service android:name=".SampleKeyguardProviderService"
+                android:exported="true">
+        </service>
+    </application>
+</manifest>
diff --git a/samples/externalviews/keyguardviewprovider/res/anim/pulsing_anim.xml b/samples/externalviews/keyguardviewprovider/res/anim/pulsing_anim.xml
new file mode 100644
index 0000000..b43c3d0
--- /dev/null
+++ b/samples/externalviews/keyguardviewprovider/res/anim/pulsing_anim.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <scale
+        android:duration="1000"
+        android:fromXScale="1"
+        android:fromYScale="1"
+        android:toXScale="1.5"
+        android:toYScale="1.5"
+        android:pivotX="50%"
+        android:pivotY="50%"
+        android:repeatMode="reverse"
+        android:repeatCount="infinite"/>
+
+</set>
\ No newline at end of file
diff --git a/samples/externalviews/keyguardviewprovider/res/drawable-hdpi/ic_launcher.png b/samples/externalviews/keyguardviewprovider/res/drawable-hdpi/ic_launcher.png
new file mode 100644
index 0000000..96a442e
--- /dev/null
+++ b/samples/externalviews/keyguardviewprovider/res/drawable-hdpi/ic_launcher.png
diff --git a/samples/externalviews/keyguardviewprovider/res/drawable-ldpi/ic_launcher.png b/samples/externalviews/keyguardviewprovider/res/drawable-ldpi/ic_launcher.png
new file mode 100644
index 0000000..9923872
--- /dev/null
+++ b/samples/externalviews/keyguardviewprovider/res/drawable-ldpi/ic_launcher.png
diff --git a/samples/externalviews/keyguardviewprovider/res/drawable-mdpi/ic_launcher.png b/samples/externalviews/keyguardviewprovider/res/drawable-mdpi/ic_launcher.png
new file mode 100644
index 0000000..359047d
--- /dev/null
+++ b/samples/externalviews/keyguardviewprovider/res/drawable-mdpi/ic_launcher.png
diff --git a/samples/externalviews/keyguardviewprovider/res/drawable-nodpi/platlogo_cm.xml b/samples/externalviews/keyguardviewprovider/res/drawable-nodpi/platlogo_cm.xml
new file mode 100644
index 0000000..b863c27
--- /dev/null
+++ b/samples/externalviews/keyguardviewprovider/res/drawable-nodpi/platlogo_cm.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (c) 2015 The CyanogenMod Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="48dp"
+    android:height="48dp"
+    android:viewportWidth="48.0"
+    android:viewportHeight="48.0">
+
+    <path
+        android:name="body"
+        android:fillColor="#FFFFFF"
+        android:pathData="M24,12L24,12L24,12L24,12L24,12c7.7,0,14,1.2,14.9,2.6c0,0,0,0,0,0c1,1.5,1.1,6.5,1.1,9.4s-0.1,7.8-1.1,9.4
+c0,0,0,0,0,0C38,34.8,31.7,36,24,36l0,0l0,0l0,0l0,0l0,0l0,0l0,0l0,0c-7.7,0-14-1.2-14.9-2.6c0,0,0,0,0,0C8.1,31.8,8,26.9,8,24
+s0.1-7.8,1.1-9.4c0,0,0,0,0,0C10,13.2,16.3,12,24,12L24,12L24,12L24,12L24,12z" />
+    <path
+        android:name="top"
+        android:fillColor="#EBEBEB"
+        android:pathData="M39,15c0,1.7-6.7,3-15,3S9,16.7,9,15s6.7-3,15-3S39,13.3,39,15z" />
+    <path
+        android:name="r_ant"
+        android:fillColor="#FFFFFF"
+        android:pathData="M35,15c-0.1,0-0.3,0-0.4-0.1c-0.5-0.2-0.8-0.8-0.5-1.3l2-5c0.2-0.5,0.8-0.8,1.3-0.5
+c0.5,0.2,0.8,0.8,0.5,1.3l-2,5C35.7,14.8,35.3,15,35,15z" />
+    <path
+        android:name="l_ant"
+        android:fillColor="#FFFFFF"
+        android:pathData="M13,15c0.1,0,0.3,0,0.4-0.1c0.5-0.2,0.8-0.8,0.5-1.3l-2-5c-0.2-0.5-0.8-0.8-1.3-0.5
+c-0.5,0.2-0.8,0.8-0.5,1.3l2,5C12.3,14.8,12.7,15,13,15z" />
+    <path
+        android:name="smile"
+        android:fillColor="#EBEBEB"
+        android:pathData="M22,32C22,32,22,32.1,22,32c0,0.9,0.6,1.5,1.4,1.5h1.1c0.8,0,1.5-0.7,1.5-1.5c0,0,0-0.1,0-0.1H22z" />
+    <path
+        android:name="l_eye"
+        android:fillColor="#EBEBEB"
+        android:pathData="M16,20c-2.8,0-5,2.2-5,5c0,2.8,2.2,5,5,5c2.8,0,5-2.2,5-5C21,22.2,18.8,20,16,20z" />
+    <path
+        android:name="r_eye"
+        android:fillColor="#EBEBEB"
+        android:pathData="M32,20c-2.8,0-5,2.2-5,5c0,2.8,2.2,5,5,5c2.8,0,5-2.2,5-5C37,22.2,34.8,20,32,20z" />
+</vector>
diff --git a/samples/externalviews/keyguardviewprovider/res/drawable-xhdpi/ic_launcher.png b/samples/externalviews/keyguardviewprovider/res/drawable-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..71c6d76
--- /dev/null
+++ b/samples/externalviews/keyguardviewprovider/res/drawable-xhdpi/ic_launcher.png
diff --git a/samples/externalviews/keyguardviewprovider/res/layout/main.xml b/samples/externalviews/keyguardviewprovider/res/layout/main.xml
new file mode 100644
index 0000000..fd6ff02
--- /dev/null
+++ b/samples/externalviews/keyguardviewprovider/res/layout/main.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2015 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ImageView
+            android:id="@+id/cid"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:src="@drawable/platlogo_cm"
+            android:scaleType="fitCenter"
+    />
+</FrameLayout>
+
diff --git a/samples/externalviews/keyguardviewprovider/res/values/strings.xml b/samples/externalviews/keyguardviewprovider/res/values/strings.xml
new file mode 100644
index 0000000..480dfe3
--- /dev/null
+++ b/samples/externalviews/keyguardviewprovider/res/values/strings.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2015 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<resources>
+    <string name="app_name">Keyguard Sample</string>
+
+    <string name="btn_set_keyguard">Set keyguard component</string>
+    <string name="btn_clear_keyguard">Clear keyguard component</string>
+</resources>
diff --git a/samples/externalviews/keyguardviewprovider/src/org/cyanogenmod/samples/keyguardextview/SampleKeyguardProviderService.java b/samples/externalviews/keyguardviewprovider/src/org/cyanogenmod/samples/keyguardextview/SampleKeyguardProviderService.java
new file mode 100644
index 0000000..dc742d1
--- /dev/null
+++ b/samples/externalviews/keyguardviewprovider/src/org/cyanogenmod/samples/keyguardextview/SampleKeyguardProviderService.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2015 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.cyanogenmod.samples.keyguardextview;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+
+import android.view.animation.Animation;
+import android.view.animation.AnimationUtils;
+import android.widget.ImageView;
+import cyanogenmod.externalviews.KeyguardExternalViewProviderService;
+
+public class SampleKeyguardProviderService extends KeyguardExternalViewProviderService {
+
+    @Override
+    protected KeyguardExternalViewProviderService.Provider createExternalView(Bundle options) {
+        return new ProviderImpl(options);
+    }
+
+    private class ProviderImpl extends Provider {
+        ImageView mImageView;
+        Animation mPulseAnimation;
+
+        protected ProviderImpl(Bundle options) {
+            super(options);
+        }
+
+        /**
+         * Create a view that will be displayed within the system's lock screen (aka keyguard)
+         * @return The view to be displayed
+         */
+        @Override
+        protected View onCreateView() {
+            View view = LayoutInflater.from(SampleKeyguardProviderService.this)
+                    .inflate(R.layout.main, null);
+            mImageView = (ImageView) view.findViewById(R.id.cid);
+            return view;
+        }
+
+        /**
+         * Called when the keyguard is being shown
+         * @param screenOn True if the screen is currently on
+         */
+        @Override
+        protected void onKeyguardShowing(boolean screenOn) {
+
+        }
+
+        /**
+         * Called when the user has unlocked their device and the keyguard is dismissed
+         */
+        @Override
+        protected void onKeyguardDismissed() {
+
+        }
+
+        /**
+         * Called when the state of the bouncer being shown changes
+         * @param showing True if the bouncer is showing
+         */
+        @Override
+        protected void onBouncerShowing(boolean showing) {
+
+        }
+
+        /**
+         * Called when the screen has been turned on
+         */
+        @Override
+        protected void onScreenTurnedOn() {
+            mImageView.startAnimation(mPulseAnimation);
+        }
+
+        /**
+         * Called when the screen has been turned off
+         */
+        @Override
+        protected void onScreenTurnedOff() {
+            mImageView.clearAnimation();
+        }
+
+        /**
+         * Called when the view has been attached to a window
+         */
+        @Override
+        protected void onAttach() {
+            super.onAttach();
+            // If this is an interactive component, now is a good time to
+            // call setInteractivity(true);
+            setInteractivity(false);
+            mPulseAnimation = AnimationUtils.loadAnimation(SampleKeyguardProviderService.this,
+                    R.anim.pulsing_anim);
+            mImageView.startAnimation(mPulseAnimation);
+        }
+
+        /**
+         * Called when the view has been detached from the window
+         */
+        @Override
+        protected void onDetach() {
+            super.onDetach();
+        }
+    }
+}
diff --git a/samples/externalviews/setkeyguardviewprovider/Android.mk b/samples/externalviews/setkeyguardviewprovider/Android.mk
new file mode 100644
index 0000000..8ed385a
--- /dev/null
+++ b/samples/externalviews/setkeyguardviewprovider/Android.mk
@@ -0,0 +1,27 @@
+# Copyright (C) 2015 The CyanogenMod Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_STATIC_JAVA_LIBRARIES := \
+    org.cyanogenmod.platform.internal
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src/)
+
+LOCAL_PACKAGE_NAME := CMSetKeyguardExternalViewProvider
+
+LOCAL_PRIVILEGED_MODULE := true
+LOCAL_CERTIFICATE := platform
+
+include $(BUILD_PACKAGE)
\ No newline at end of file
diff --git a/samples/externalviews/setkeyguardviewprovider/AndroidManifest.xml b/samples/externalviews/setkeyguardviewprovider/AndroidManifest.xml
new file mode 100644
index 0000000..f5300fd
--- /dev/null
+++ b/samples/externalviews/setkeyguardviewprovider/AndroidManifest.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2015 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="org.cyanogenmod.samples.setkeyguardextview"
+          android:versionCode="1"
+          android:versionName="1.0">
+
+    <uses-sdk android:minSdkVersion="23" android:targetSdkVersion="23" />
+
+    <!-- Permissions used for setting the third party keyguard component, this is for
+         testing purposes only and should not be used when implementing third party
+         keyguard components -->
+    <uses-permission android:name="android.permission.ACCESS_KEYGUARD_SECURE_STORAGE" />
+
+    <application android:label="@string/app_name" android:icon="@drawable/ic_launcher">
+        <activity
+                android:name=".SetKeyguardComponentActivity"
+                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>
diff --git a/samples/externalviews/setkeyguardviewprovider/README.md b/samples/externalviews/setkeyguardviewprovider/README.md
new file mode 100644
index 0000000..f0edd44
--- /dev/null
+++ b/samples/externalviews/setkeyguardviewprovider/README.md
@@ -0,0 +1,6 @@
+# Notice
+This sample is provided as a way to set and clear the setting that defines what
+KeyguardExternalViewProviderService the system should use. Changing this setting
+requires a permission that is only granted to system apps.  As such, this sample
+is not intended to be built as a standalone application and must be built as part
+of the CyanogenMod build system. 
\ No newline at end of file
diff --git a/samples/externalviews/setkeyguardviewprovider/res/drawable-hdpi/ic_launcher.png b/samples/externalviews/setkeyguardviewprovider/res/drawable-hdpi/ic_launcher.png
new file mode 100644
index 0000000..96a442e
--- /dev/null
+++ b/samples/externalviews/setkeyguardviewprovider/res/drawable-hdpi/ic_launcher.png
diff --git a/samples/externalviews/setkeyguardviewprovider/res/drawable-ldpi/ic_launcher.png b/samples/externalviews/setkeyguardviewprovider/res/drawable-ldpi/ic_launcher.png
new file mode 100644
index 0000000..9923872
--- /dev/null
+++ b/samples/externalviews/setkeyguardviewprovider/res/drawable-ldpi/ic_launcher.png
diff --git a/samples/externalviews/setkeyguardviewprovider/res/drawable-mdpi/ic_launcher.png b/samples/externalviews/setkeyguardviewprovider/res/drawable-mdpi/ic_launcher.png
new file mode 100644
index 0000000..359047d
--- /dev/null
+++ b/samples/externalviews/setkeyguardviewprovider/res/drawable-mdpi/ic_launcher.png
diff --git a/samples/externalviews/setkeyguardviewprovider/res/drawable-xhdpi/ic_launcher.png b/samples/externalviews/setkeyguardviewprovider/res/drawable-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..71c6d76
--- /dev/null
+++ b/samples/externalviews/setkeyguardviewprovider/res/drawable-xhdpi/ic_launcher.png
diff --git a/samples/externalviews/setkeyguardviewprovider/res/layout/set_keyguard.xml b/samples/externalviews/setkeyguardviewprovider/res/layout/set_keyguard.xml
new file mode 100644
index 0000000..5d4f8ba
--- /dev/null
+++ b/samples/externalviews/setkeyguardviewprovider/res/layout/set_keyguard.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:orientation="vertical"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent">
+
+    <Button
+            android:id="@+id/clear_keyguard"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/btn_clear_keyguard"/>
+
+    <Button
+            android:id="@+id/set_keyguard"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/btn_set_keyguard"/>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/samples/externalviews/setkeyguardviewprovider/res/values/strings.xml b/samples/externalviews/setkeyguardviewprovider/res/values/strings.xml
new file mode 100644
index 0000000..4ac04c4
--- /dev/null
+++ b/samples/externalviews/setkeyguardviewprovider/res/values/strings.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2015 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<resources>
+    <string name="app_name">Keyguard Selector</string>
+
+    <string name="btn_set_keyguard">Set keyguard component</string>
+    <string name="btn_clear_keyguard">Clear keyguard component</string>
+</resources>
diff --git a/samples/externalviews/setkeyguardviewprovider/src/org/cyanogenmod/samples/keyguardextview/SetKeyguardComponentActivity.java b/samples/externalviews/setkeyguardviewprovider/src/org/cyanogenmod/samples/keyguardextview/SetKeyguardComponentActivity.java
new file mode 100644
index 0000000..961bcf0
--- /dev/null
+++ b/samples/externalviews/setkeyguardviewprovider/src/org/cyanogenmod/samples/keyguardextview/SetKeyguardComponentActivity.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2015 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.cyanogenmod.samples.setkeyguardextview;
+
+import android.app.Activity;
+import android.content.ComponentName;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+
+import org.cyanogenmod.internal.util.CmLockPatternUtils;
+
+public class SetKeyguardComponentActivity extends Activity {
+    private static final String TAG = SetKeyguardComponentActivity.class.getSimpleName();
+    private static final String KEYGUARD_PACKAGE = "org.cyanogenmod.samples.keyguardextview";
+    private static final String KEYGUARD_COMPONENT =
+            KEYGUARD_PACKAGE + ".SampleKeyguardProviderService";
+
+    private Button mClearKeyguardButton;
+    private Button mSetKeyguardButton;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.set_keyguard);
+    }
+
+    @Override
+    public void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        mClearKeyguardButton = (Button) findViewById(R.id.clear_keyguard);
+        mClearKeyguardButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                setKeyguardComponent(null);
+            }
+        });
+
+        mSetKeyguardButton = (Button) findViewById(R.id.set_keyguard);
+        mSetKeyguardButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                    setKeyguardComponent(new ComponentName(KEYGUARD_PACKAGE, KEYGUARD_COMPONENT));
+            }
+        });
+    }
+
+    private void setKeyguardComponent(ComponentName cn) {
+        CmLockPatternUtils lockPatternUtils =
+                new CmLockPatternUtils(this);
+        try {
+            lockPatternUtils.setThirdPartyKeyguard(cn);
+        } catch (PackageManager.NameNotFoundException e) {
+            Log.e(TAG, "Unable to set third party keyguard component", e);
+        }
+    }
+}
\ No newline at end of file