/*
* Copyright 2015 Constant Innovations Inc
*
* 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.constantinnovationsinc.livemultimedia.fragments;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.res.Configuration;
import android.hardware.Camera;
import android.os.Build;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.Button;
import com.constantinnovationsinc.livemultimedia.previews.VideoPreview;
import com.constantinnovationsinc.livemultimedia.views.CameraView;
import com.constantinnovationsinc.livemultimedia.R;
public class Camera2VideoFragment extends Fragment implements View.OnClickListener {
private static final String TAG = Camera2VideoFragment.class.getCanonicalName();
private FrameLayout mVideoPreviewFrame;
private Boolean mRecording = false;
private CameraView mCameraView = null; // for new api
private VideoPreview mVideoPreview = null; // for legacy api
private final static int mCurrentApiVersion = android.os.Build.VERSION.SDK_INT;
public static Camera2VideoFragment newInstance() {
Camera2VideoFragment fragment = new Camera2VideoFragment();
fragment.setRetainInstance(true);
return fragment;
}
@Override
public void onDestroyView() {
super.onDestroyView();
destroyVideoPreviewWindow();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
Log.d(TAG, "onCreateView for Camera2VideoFragment");
View view = inflater.inflate(R.layout.fragment_camera2_video, container, false);
if (mVideoPreviewFrame != null) {
if (mCurrentApiVersion >= Build.VERSION_CODES.JELLY_BEAN_MR2 &&
mCurrentApiVersion <= Build.VERSION_CODES.KITKAT) {
createVideoPreviewWindow(Camera.CameraInfo.CAMERA_FACING_BACK);
}
if (mCurrentApiVersion >= Build.VERSION_CODES.LOLLIPOP) {
createVideoPreviewWindowEnhanced();
}
}
return view;
}
@Override
public void onViewCreated(final View view, Bundle savedInstanceState) {
Button mButtonBackCamera = (Button) view.findViewById(R.id.backcamera);
Button mButtonFrontCamera = (Button) view.findViewById(R.id.frontcamera);
Button mButtonRecordVideo = (Button) view.findViewById(R.id.recordvideo);
Button mButtonExit = (Button) view.findViewById(R.id.exit);
if (mButtonRecordVideo != null) {
mButtonRecordVideo.setOnClickListener(this);
}
if (mButtonExit != null) {
mButtonExit.setOnClickListener(this);
}
if (mButtonBackCamera != null) {
mButtonBackCamera.setOnClickListener(this);
}
if (mButtonFrontCamera != null) {
mButtonFrontCamera.setOnClickListener(this);
}
view.findViewById(R.id.info).setOnClickListener(this);
mCameraView = (CameraView) view.findViewById(R.id.texture);
}
@Override
public void onResume() {
super.onResume();
if (mCurrentApiVersion >= Build.VERSION_CODES.JELLY_BEAN_MR2 &&
mCurrentApiVersion <= Build.VERSION_CODES.KITKAT) {
if (mVideoPreview != null) {
mVideoPreview.prepare();
}
}
if (mCurrentApiVersion >= Build.VERSION_CODES.LOLLIPOP) {
if(mCameraView != null) {
mCameraView.startBackgroundThread();
if (mCameraView.isAvailable()) {
mCameraView.openCamera(mCameraView.getWidth(), mCameraView.getHeight());
} else {
// mCameraView.setSurfaceTextureListener(mSurfaceTextureListener);
}
mCameraView.prepare();
}
}
}
@Override
public void onPause() {
if (mCurrentApiVersion >= Build.VERSION_CODES.JELLY_BEAN_MR2 &&
mCurrentApiVersion <= Build.VERSION_CODES.KITKAT) {
if (mVideoPreview != null) {
mVideoPreview.halt();
}
}
if (mCurrentApiVersion >= Build.VERSION_CODES.LOLLIPOP) {
mCameraView.halt();
mCameraView.stopBackgroundThread();
}
super.onPause();
}
@SuppressWarnings("deprecation")
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.backcamera: {
if (mCurrentApiVersion >= Build.VERSION_CODES.JELLY_BEAN_MR2 &&
mCurrentApiVersion <= Build.VERSION_CODES.KITKAT) {
createNewVideoPreview(Camera.CameraInfo.CAMERA_FACING_BACK);
}
if (mCurrentApiVersion >= Build.VERSION_CODES.LOLLIPOP) {
createNewVideoPreviewEnchanced(0);
}
}
break;
case R.id.frontcamera: {
if (mCurrentApiVersion >= Build.VERSION_CODES.JELLY_BEAN_MR2 &&
mCurrentApiVersion <= Build.VERSION_CODES.KITKAT) {
createNewVideoPreview(Camera.CameraInfo.CAMERA_FACING_FRONT);
}
if (mCurrentApiVersion >= Build.VERSION_CODES.LOLLIPOP) {
createNewVideoPreviewEnchanced(1);
}
}
break;
case R.id.recordvideo: {
mRecording = !mRecording;
Button mButtonRecordVideo = (Button) view.findViewById(R.id.recordvideo);
if (mRecording) {
mButtonRecordVideo.setText("Stop");
} else {
mButtonRecordVideo.setText("Record");
}
if (mCurrentApiVersion >= Build.VERSION_CODES.JELLY_BEAN_MR2 &&
mCurrentApiVersion <= Build.VERSION_CODES.KITKAT) {
mVideoPreview.setRecordingState(mRecording);
}
}
break;
case R.id.exit: {
if (mCurrentApiVersion >= Build.VERSION_CODES.JELLY_BEAN_MR2 &&
mCurrentApiVersion <= Build.VERSION_CODES.KITKAT) {
destroyVideoPreviewWindow();
}
Activity activity = getActivity();
if (activity != null) {
activity.finish();
}
}
break;
case R.id.info: {
Activity activity = getActivity();
if (activity != null) {
new AlertDialog.Builder(activity)
.setMessage(R.string.intro_message)
.setPositiveButton(android.R.string.ok, null)
.show();
}
break;
}
}
}
private void createNewVideoPreview(int cameraId) {
if (mVideoPreviewFrame != null && mVideoPreview != null) {
destroyVideoPreviewWindow();
}
if (mVideoPreviewFrame != null && mVideoPreview == null) {
createVideoPreviewWindow(cameraId);
}
}
private void createNewVideoPreviewEnchanced(int cameraId) {
if (mVideoPreviewFrame != null && mCameraView != null) {
destroyVideoPreviewWindowEnhanced();
}
if (mVideoPreviewFrame != null && mCameraView == null) {
createVideoPreviewWindowEnhanced();
}
}
private void destroyVideoPreviewWindow() {
if (mVideoPreview != null) {
mVideoPreview.halt();
mVideoPreviewFrame.removeAllViews();
mVideoPreview = null;
}
}
private void destroyVideoPreviewWindowEnhanced() {
if (mCameraView != null) {
mCameraView.halt();
mVideoPreviewFrame.removeAllViews();
mCameraView = null;
}
}
private void createVideoPreviewWindowEnhanced( ) {
if (mCameraView != null) {
mCameraView.mRotation = getActivity().getWindowManager().getDefaultDisplay().getRotation();
mCameraView.prepare();
}
}
private void createVideoPreviewWindow(int activeCam) {
Log.d(TAG, "Creating initial VideoPreview!");
previewWindowSetup(activeCam);
mVideoPreviewFrame.addView(mVideoPreview);
}
private void previewWindowSetup(int activeCam) {
int mEncodingWidth = 1280;
int mEncodingHeight = 720;
// add surface listeners
mVideoPreview = new VideoPreview(getActivity());
mVideoPreview.prepare();
mVideoPreview.setActiveCamera(activeCam);
// set camera rotation
mVideoPreview.mRotation = getActivity().getWindowManager().getDefaultDisplay().getRotation();
// set layout
if (mVideoPreview.getPreviewSizeHeight() == mEncodingHeight &&
mVideoPreview.getPreviewSizeWidth() == mEncodingWidth) {
mVideoPreview.setLayoutParams(new FrameLayout.LayoutParams(
mVideoPreview.getPreviewSizeWidth(),
mVideoPreview.getPreviewSizeHeight(),
Gravity.CENTER));
} else {
mVideoPreview.setLayoutParams(new FrameLayout.LayoutParams(
mEncodingWidth,
mEncodingHeight,
Gravity.CENTER));
}
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
mVideoPreview.setAspectRatio(16, 9);
}
}
}
