Add Camera prewarm intent.

Also adds a test app for testing this intent. In addition, the secure
camera gets launched in the background to fix jank while sending the
intent.

Bug: 20016619
Change-Id: I7bb7e22ddaf5dc67fc09b9e63e5f3d10fe8e3ee4

3 files changed, 107 insertions, 0 deletions

diff --git a/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/CameraActivity.java b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/CameraActivity.java
new file mode 100644
index 000000000000..4d22234b1ecc
--- /dev/null
+++ b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/CameraActivity.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2015 The Android Open Source 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 com.google.android.test.cameraprewarm;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.WindowManager;
+
+import com.google.android.test.cameraprewarm.R;
+
+public class CameraActivity extends Activity {
+
+    public final static String TAG = "PrewarmTest";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.camera_activity);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
+        Log.i(TAG, "Activity created");
+    }
+}
diff --git a/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/PrewarmReceiver.java b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/PrewarmReceiver.java
new file mode 100644
index 000000000000..d49f96d0a38c
--- /dev/null
+++ b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/PrewarmReceiver.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2015 The Android Open Source 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 com.google.android.test.cameraprewarm;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.provider.MediaStore;
+import android.util.Log;
+
+public class PrewarmReceiver extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (intent.getAction().equals(MediaStore.ACTION_STILL_IMAGE_CAMERA_PREWARM)) {
+            Log.i(CameraActivity.TAG, "Prewarm received");
+        } else if (intent.getAction().equals(MediaStore.ACTION_STILL_IMAGE_CAMERA_COOLDOWN)){
+            Log.i(CameraActivity.TAG, "Cooldown received");
+        }
+    }
+}
diff --git a/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/SecureCameraActivity.java b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/SecureCameraActivity.java
new file mode 100644
index 000000000000..530fe0063954
--- /dev/null
+++ b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/SecureCameraActivity.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2015 The Android Open Source 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 com.google.android.test.cameraprewarm;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.WindowManager;
+
+import com.google.android.test.cameraprewarm.R;
+
+public class SecureCameraActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.camera_activity);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+        Log.i(CameraActivity.TAG, "Activity created");
+    }
+}