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/*
* Copyright (C) 2014 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.android.ex.camera2.utils;
import android.content.Context;
import android.hardware.camera2.CameraDevice;
import android.hardware.camera2.CameraManager;
import android.os.Handler;
import android.os.HandlerThread;
import android.support.test.InjectContext;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
/**
* Subclasses of this have an {@code mCamera} instance variable representing the first camera.
*/
public class Camera2DeviceTester {
private static HandlerThread sThread;
private static Handler sHandler;
@BeforeClass
public static void setupBackgroundHandler() {
sThread = new HandlerThread("CameraFramework");
sThread.start();
sHandler = new Handler(sThread.getLooper());
}
@AfterClass
public static void teardownBackgroundHandler() throws Exception {
sThread.quitSafely();
sThread.join();
}
@InjectContext
public Context mContext;
private class DeviceCapturer extends CameraDevice.StateListener {
private CameraDevice mCamera;
public CameraDevice captureCameraDevice() throws Exception {
CameraManager manager =
(CameraManager) mContext.getSystemService(Context.CAMERA_SERVICE);
String id = manager.getCameraIdList()[0];
synchronized (this) {
manager.openCamera(id, this, sHandler);
wait();
}
return mCamera;
}
@Override
public synchronized void onOpened(CameraDevice camera) {
mCamera = camera;
notify();
}
@Override
public void onDisconnected(CameraDevice camera) {}
@Override
public void onError(CameraDevice camera, int error) {}
}
protected CameraDevice mCamera;
@Before
public void obtainCameraCaptureRequestBuilderFactory() throws Exception {
mCamera = new DeviceCapturer().captureCameraDevice();
}
@After
public void releaseCameraCaptureRequestBuilderFactory() {
mCamera.close();
}
}
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