Initial commit

Camera2VideoSample/build.gradle

+
+
+
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.11.+'
+    }
+}
+
+apply plugin: 'android'
+
+
+dependencies {
+
+    compile "com.android.support:support-v4:+"
+    compile "com.android.support:support-v13:+"
+
+}
+
+// The sample build uses multiple directories to
+// keep boilerplate and common code separate from
+// the main sample code.
+List<String> dirs = [
+    'main',     // main sample code; look here for the interesting stuff.
+    'common',   // components that are reused by multiple samples
+    'template'] // boilerplate code that is generated by the sample template process
+
+android {
+    compileSdkVersion "android-L"
+
+    buildToolsVersion "19.1.0"
+
+    sourceSets {
+        main {
+            dirs.each { dir ->
+                java.srcDirs "src/${dir}/java"
+                res.srcDirs "src/${dir}/res"
+            }
+        }
+        androidTest.setRoot('tests')
+        androidTest.java.srcDirs = ['tests/src']
+
+    }
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

Camera2VideoSample/src/main/AndroidManifest.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 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.
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.android.camera2video"
+    android:versionCode="1"
+    android:versionName="1.0">
+
+    <uses-sdk android:minSdkVersion="L" android:targetSdkVersion="L" />
+
+    <uses-permission android:name="android.permission.CAMERA"/>
+    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
+
+    <application android:allowBackup="true"
+        android:label="@string/app_name"
+        android:icon="@drawable/ic_launcher"
+        android:theme="@style/MaterialTheme">
+
+        <activity android:name=".CameraActivity"
+                  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>

Camera2VideoSample/src/main/java/com/example/android/camera2video/AutoFitTextureView.java

+/*
+ * Copyright 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.example.android.camera2video;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.TextureView;
+
+/**
+ * A {@link TextureView} that can be adjusted to a specified aspect ratio.
+ */
+public class AutoFitTextureView extends TextureView {
+
+    private int mRatioWidth = 0;
+    private int mRatioHeight = 0;
+
+    public AutoFitTextureView(Context context) {
+        this(context, null);
+    }
+
+    public AutoFitTextureView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public AutoFitTextureView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    /**
+     * Sets the aspect ratio for this view. The size of the view will be measured based on the ratio
+     * calculated from the parameters. Note that the actual sizes of parameters don't matter, that
+     * is, calling setAspectRatio(2, 3) and setAspectRatio(4, 6) make the same result.
+     *
+     * @param width  Relative horizontal size
+     * @param height Relative vertical size
+     */
+    public void setAspectRatio(int width, int height) {
+        if (width < 0 || height < 0) {
+            throw new IllegalArgumentException("Size cannot be negative.");
+        }
+        mRatioWidth = width;
+        mRatioHeight = height;
+        requestLayout();
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        int width = MeasureSpec.getSize(widthMeasureSpec);
+        int height = MeasureSpec.getSize(heightMeasureSpec);
+        if (0 == mRatioWidth || 0 == mRatioHeight) {
+            setMeasuredDimension(width, height);
+        } else {
+            if (width < height * mRatioWidth / mRatioHeight) {
+                setMeasuredDimension(width, width * mRatioHeight / mRatioWidth);
+            } else {
+                setMeasuredDimension(height * mRatioWidth / mRatioHeight, height);
+            }
+        }
+    }
+
+}

Camera2VideoSample/src/main/java/com/example/android/camera2video/Camera2VideoFragment.java

+/*
+ * Copyright 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.example.android.camera2video;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Fragment;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.graphics.Matrix;
+import android.graphics.RectF;
+import android.graphics.SurfaceTexture;
+import android.hardware.camera2.CameraAccessException;
+import android.hardware.camera2.CameraCaptureSession;
+import android.hardware.camera2.CameraCharacteristics;
+import android.hardware.camera2.CameraDevice;
+import android.hardware.camera2.CameraManager;
+import android.hardware.camera2.CameraMetadata;
+import android.hardware.camera2.CaptureRequest;
+import android.hardware.camera2.params.StreamConfigurationMap;
+import android.media.MediaRecorder;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.util.Size;
+import android.util.SparseIntArray;
+import android.view.LayoutInflater;
+import android.view.Surface;
+import android.view.TextureView;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.Toast;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class Camera2VideoFragment extends Fragment implements View.OnClickListener {
+
+    private static final SparseIntArray ORIENTATIONS = new SparseIntArray();
+
+    static {
+        ORIENTATIONS.append(Surface.ROTATION_0, 90);
+        ORIENTATIONS.append(Surface.ROTATION_90, 0);
+        ORIENTATIONS.append(Surface.ROTATION_180, 270);
+        ORIENTATIONS.append(Surface.ROTATION_270, 180);
+    }
+
+    /**
+     * An {@link AutoFitTextureView} for camera preview.
+     */
+    private AutoFitTextureView mTextureView;
+
+    /**
+     * Button to record video
+     */
+    private Button mButtonVideo;
+
+    /**
+     * A refernce to the opened {@link android.hardware.camera2.CameraDevice}.
+     */
+    private CameraDevice mCameraDevice;
+
+    /**
+     * A reference to the current {@link android.hardware.camera2.CameraCaptureSession} for preview.
+     */
+    private CameraCaptureSession mPreviewSession;
+
+    /**
+     * {@link TextureView.SurfaceTextureListener} handles several lifecycle events on a
+     * {@link TextureView}.
+     */
+    private TextureView.SurfaceTextureListener mSurfaceTextureListener
+            = new TextureView.SurfaceTextureListener() {
+
+        @Override
+        public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture,
+                                              int width, int height) {
+            configureTransform(width, height);
+            startPreview();
+        }
+
+        @Override
+        public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture,
+                                                int width, int height) {
+            configureTransform(width, height);
+            startPreview();
+        }
+
+        @Override
+        public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) {
+            return true;
+        }
+
+        @Override
+        public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {
+        }
+
+    };
+
+    /**
+     * The {@link android.util.Size} of camera preview.
+     */
+    private Size mPreviewSize;
+
+    /**
+     * Camera preview.
+     */
+    private CaptureRequest.Builder mPreviewBuilder;
+
+    /**
+     * MediaRecorder
+     */
+    private MediaRecorder mMediaRecorder;
+
+    /**
+     * Whether the app is recording video now
+     */
+    private boolean mIsRecordingVideo;
+
+    /**
+     * Whether the app is currently trying to open camera
+     */
+    private boolean mOpeningCamera;
+
+    /**
+     * {@link CameraDevice.StateListener} is called when {@link CameraDevice} changes its status.
+     */
+    private CameraDevice.StateListener mStateListener = new CameraDevice.StateListener() {
+
+        @Override
+        public void onOpened(CameraDevice cameraDevice) {
+            mCameraDevice = cameraDevice;
+            startPreview();
+            mOpeningCamera = false;
+            if (null != mTextureView) {
+                configureTransform(mTextureView.getWidth(), mTextureView.getHeight());
+            }
+        }
+
+        @Override
+        public void onDisconnected(CameraDevice cameraDevice) {
+            cameraDevice.close();
+            mCameraDevice = null;
+            mOpeningCamera = false;
+        }
+
+        @Override
+        public void onError(CameraDevice cameraDevice, int error) {
+            cameraDevice.close();
+            mCameraDevice = null;
+            Activity activity = getActivity();
+            if (null != activity) {
+                activity.finish();
+            }
+            mOpeningCamera = false;
+        }
+
+    };
+
+    public static Camera2VideoFragment newInstance() {
+        Camera2VideoFragment fragment = new Camera2VideoFragment();
+        fragment.setRetainInstance(true);
+        return fragment;
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_camera2_video, container, false);
+    }
+
+    @Override
+    public void onViewCreated(final View view, Bundle savedInstanceState) {
+        mTextureView = (AutoFitTextureView) view.findViewById(R.id.texture);
+        mTextureView.setSurfaceTextureListener(mSurfaceTextureListener);
+        mButtonVideo = (Button) view.findViewById(R.id.video);
+        mButtonVideo.setOnClickListener(this);
+        view.findViewById(R.id.info).setOnClickListener(this);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        openCamera();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        if (null != mCameraDevice) {
+            mCameraDevice.close();
+            mCameraDevice = null;
+        }
+    }
+
+    @Override
+    public void onClick(View view) {
+        switch (view.getId()) {
+            case R.id.video: {
+                if (mIsRecordingVideo) {
+                    stopRecordingVideo();
+                } else {
+                    startRecordingVideo();
+                }
+                break;
+            }
+            case R.id.info: {
+                Activity activity = getActivity();
+                if (null != activity) {
+                    new AlertDialog.Builder(activity)
+                            .setMessage(R.string.intro_message)
+                            .setPositiveButton(android.R.string.ok, null)
+                            .show();
+                }
+                break;
+            }
+        }
+    }
+
+    /**
+     * Tries to open a {@link CameraDevice}. The result is listened by `mStateListener`.
+     */
+    private void openCamera() {
+        Activity activity = getActivity();
+        if (null == activity || activity.isFinishing() || mOpeningCamera) {
+            return;
+        }
+        mOpeningCamera = true;
+        CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
+        try {
+            String cameraId = manager.getCameraIdList()[0];
+            CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
+            StreamConfigurationMap map = characteristics
+                    .get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
+            mPreviewSize = map.getOutputSizes(SurfaceTexture.class)[0];
+            int orientation = getResources().getConfiguration().orientation;
+            if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
+                mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
+            } else {
+                mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
+            }
+            manager.openCamera(cameraId, mStateListener, null);
+        } catch (CameraAccessException e) {
+            Toast.makeText(activity, "Cannot access the camera.", Toast.LENGTH_SHORT).show();
+            activity.finish();
+        }
+    }
+
+    /**
+     * Start the camera preview.
+     */
+    private void startPreview() {
+        if (null == mCameraDevice || !mTextureView.isAvailable() || null == mPreviewSize) {
+            return;
+        }
+        try {
+            SurfaceTexture texture = mTextureView.getSurfaceTexture();
+            assert texture != null;
+            texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
+            mPreviewBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
+            Surface surface = new Surface(texture);
+            List<Surface> surfaces = new ArrayList<Surface>();
+            surfaces.add(surface);
+            mPreviewBuilder.addTarget(surface);
+            mCameraDevice.createCaptureSession(surfaces, new CameraCaptureSession.StateListener() {
+
+                @Override
+                public void onConfigured(CameraCaptureSession cameraCaptureSession) {
+                    mPreviewSession = cameraCaptureSession;
+                    updatePreview();
+                }
+
+                @Override
+                public void onConfigureFailed(CameraCaptureSession cameraCaptureSession) {
+                    Activity activity = getActivity();
+                    if (null != activity) {
+                        Toast.makeText(activity, "Failed", Toast.LENGTH_SHORT).show();
+                    }
+                }
+            }, null);
+        } catch (CameraAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * Update the camera preview. {@link #startPreview()} needs to be called in advance.
+     */
+    private void updatePreview() {
+        if (null == mCameraDevice) {
+            return;
+        }
+        try {
+            setUpCaptureRequestBuilder(mPreviewBuilder);
+            HandlerThread thread = new HandlerThread("CameraPreview");
+            thread.start();
+            Handler backgroundHandler = new Handler(thread.getLooper());
+            mPreviewSession.setRepeatingRequest(mPreviewBuilder.build(), null, backgroundHandler);
+        } catch (CameraAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void setUpCaptureRequestBuilder(CaptureRequest.Builder builder) {
+        builder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
+    }
+
+    /**
+     * Configures the necessary {@link android.graphics.Matrix} transformation to `mTextureView`.
+     * This method should not to be called until the camera preview size is determined in
+     * openCamera, or until the size of `mTextureView` is fixed.
+     *
+     * @param viewWidth  The width of `mTextureView`
+     * @param viewHeight The height of `mTextureView`
+     */
+    private void configureTransform(int viewWidth, int viewHeight) {
+        Activity activity = getActivity();
+        if (null == mTextureView || null == mPreviewSize || null == activity) {
+            return;
+        }
+        int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
+        Matrix matrix = new Matrix();
+        RectF viewRect = new RectF(0, 0, viewWidth, viewHeight);
+        RectF bufferRect = new RectF(0, 0, mPreviewSize.getHeight(), mPreviewSize.getWidth());
+        float centerX = viewRect.centerX();
+        float centerY = viewRect.centerY();
+        if (Surface.ROTATION_90 == rotation || Surface.ROTATION_270 == rotation) {
+            bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
+            matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
+            float scale = Math.max(
+                    (float) viewHeight / mPreviewSize.getHeight(),
+                    (float) viewWidth / mPreviewSize.getWidth());
+            matrix.postScale(scale, scale, centerX, centerY);
+            matrix.postRotate(90 * (rotation - 2), centerX, centerY);
+        }
+        mTextureView.setTransform(matrix);
+    }
+
+    private void startRecordingVideo() {
+        final Activity activity = getActivity();
+        if (null == activity) {
+            return;
+        }
+        mMediaRecorder = new MediaRecorder();
+        final File file = getVideoFile(activity);
+        try {
+            // UI
+            mButtonVideo.setText(R.string.stop);
+            mIsRecordingVideo = true;
+            // Configure the MediaRecorder
+            mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
+            mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
+            mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
+            mMediaRecorder.setOutputFile(file.getAbsolutePath());
+            mMediaRecorder.setVideoEncodingBitRate(10000000);
+            mMediaRecorder.setVideoFrameRate(30);
+            mMediaRecorder.setVideoSize(1440, 1080);
+            mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
+            mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
+            int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
+            int orientation = ORIENTATIONS.get(rotation);
+            mMediaRecorder.setOrientationHint(orientation);
+            mMediaRecorder.prepare();
+            Surface surface = mMediaRecorder.getSurface();
+            // Set up the CaptureRequest
+            final CaptureRequest.Builder builder =
+                    mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_RECORD);
+            builder.addTarget(surface);
+            Surface previewSurface = new Surface(mTextureView.getSurfaceTexture());
+            builder.addTarget(previewSurface);
+            mCameraDevice.createCaptureSession(Arrays.asList(surface, previewSurface),
+                    new CameraCaptureSession.StateListener() {
+                        @Override
+                        public void onConfigured(CameraCaptureSession session) {
+                            // Start recording
+                            try {
+                                session.setRepeatingRequest(builder.build(), null, null);
+                                mMediaRecorder.start();
+                            } catch (CameraAccessException e) {
+                                e.printStackTrace();
+                            }
+                        }
+
+                        @Override
+                        public void onConfigureFailed(CameraCaptureSession session) {
+                            Toast.makeText(activity, "Failed.", Toast.LENGTH_SHORT).show();
+                        }
+                    }, null
+            );
+        } catch (IllegalStateException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (CameraAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private File getVideoFile(Context context) {
+        return new File(context.getExternalFilesDir(null), "video.mp4");
+    }
+
+    private void stopRecordingVideo() {
+        // UI
+        mIsRecordingVideo = false;
+        mButtonVideo.setText(R.string.record);
+        // Stop recording
+        mMediaRecorder.stop();
+        mMediaRecorder.release();
+        mMediaRecorder = null;
+        Activity activity = getActivity();
+        if (null != activity) {
+            Toast.makeText(activity, "Video saved: " + getVideoFile(activity),
+                    Toast.LENGTH_SHORT).show();
+        }
+        startPreview();
+    }
+
+}

Camera2VideoSample/src/main/java/com/example/android/camera2video/CameraActivity.java

+/*
+ * Copyright 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.example.android.camera2video;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+public class CameraActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_camera);
+        if (null == savedInstanceState) {
+            getFragmentManager().beginTransaction()
+                    .replace(R.id.container, Camera2VideoFragment.newInstance())
+                    .commit();
+        }
+    }
+
+}

Camera2VideoSample/src/main/res/layout-land/fragment_camera2_video.xml

+<?xml version="1.0" encoding="utf-8"?><!--
+ Copyright 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.
+-->
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.example.android.camera2video.AutoFitTextureView
+        android:id="@+id/texture"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentTop="true" />
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentEnd="true"
+        android:layout_alignParentTop="true"
+        android:layout_below="@id/texture"
+        android:layout_toRightOf="@id/texture"
+        android:background="#4285f4"
+        android:orientation="horizontal">
+
+        <Button
+            android:id="@+id/video"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:text="@string/record" />
+
+        <ImageButton
+            android:id="@+id/info"
+            style="@android:style/Widget.Material.Light.Button.Borderless"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal|bottom"
+            android:contentDescription="@string/description_info"
+            android:padding="20dp"
+            android:src="@drawable/ic_action_info" />
+
+    </FrameLayout>
+
+</RelativeLayout>

Camera2VideoSample/src/main/res/layout/activity_camera.xml

+<?xml version="1.0" encoding="utf-8"?><!--
+ Copyright 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.
+-->
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#000"
+    tools:context="com.example.android.camera2basic.CameraActivity" />

Camera2VideoSample/src/main/res/layout/activity_main.xml

+<!--
+  Copyright 2013 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.
+  -->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <LinearLayout style="@style/Widget.SampleMessageTile"
+                  android:layout_width="match_parent"
+                  android:layout_height="wrap_content"
+                  android:orientation="vertical">
+
+        <TextView style="@style/Widget.SampleMessage"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="@dimen/horizontal_page_margin"
+            android:layout_marginRight="@dimen/horizontal_page_margin"
+            android:layout_marginTop="@dimen/vertical_page_margin"
+            android:layout_marginBottom="@dimen/vertical_page_margin"
+            android:text="@string/intro_message" />
+    </LinearLayout>
+</LinearLayout>

Camera2VideoSample/src/main/res/layout/fragment_camera2_video.xml

+<?xml version="1.0" encoding="utf-8"?><!--
+ Copyright 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.
+-->
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.example.android.camera2video.AutoFitTextureView
+        android:id="@+id/texture"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentTop="true" />
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentStart="true"
+        android:layout_below="@id/texture"
+        android:background="#4285f4">
+
+        <Button
+            android:id="@+id/video"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:text="@string/record" />
+
+        <ImageButton
+            android:id="@+id/info"
+            android:contentDescription="@string/description_info"
+            style="@android:style/Widget.Material.Light.Button.Borderless"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical|right"
+            android:padding="20dp"
+            android:src="@drawable/ic_action_info" />
+
+    </FrameLayout>
+
+</RelativeLayout>

Camera2VideoSample/src/main/res/values-sw600dp/template-dimens.xml

+<!--
+  Copyright 2013 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.
+  -->
+
+<resources>
+
+    <!-- Semantic definitions -->
+
+    <dimen name="horizontal_page_margin">@dimen/margin_huge</dimen>
+    <dimen name="vertical_page_margin">@dimen/margin_medium</dimen>
+
+</resources>

Camera2VideoSample/src/main/res/values-sw600dp/template-styles.xml

+<!--
+  Copyright 2013 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.
+  -->
+
+<resources>
+
+    <style name="Widget.SampleMessage">
+        <item name="android:textAppearance">?android:textAppearanceLarge</item>
+        <item name="android:lineSpacingMultiplier">1.2</item>
+        <item name="android:shadowDy">-6.5</item>
+    </style>
+
+</resources>

Camera2VideoSample/src/main/res/values-v11/template-styles.xml

+<!--
+  Copyright 2013 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.
+  -->
+
+<resources>
+
+    <!-- Activity themes -->
+    <style name="Theme.Base" parent="android:Theme.Holo.Light" />
+
+</resources>

Camera2VideoSample/src/main/res/values-v21/template-styles.xml

+<!--
+  Copyright 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.
+  -->
+
+<resources>
+
+    <!-- Activity themes -->
+    <style name="Theme.Base" parent="android:Theme.Material.Light" />
+
+</resources>

Camera2VideoSample/src/main/res/values/base-strings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 2013 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.
+-->
+
+
+
+<resources>
+    <string name="app_name">Camera2Video</string>
+    <string name="intro_message">
+        <![CDATA[
+        
+            
+            This sample demonstrates how to record video using Camera2 API.
+            
+        
+        ]]>
+    </string>
+</resources>

Camera2VideoSample/src/main/res/values/strings.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="record">Record</string>
+    <string name="stop">Stop</string>
+    <string name="description_info">Info</string>
+</resources>
\ No newline at end of file

Camera2VideoSample/src/main/res/values/styles.xml

+<?xml version="1.0" encoding="utf-8"?><!--
+ Copyright 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.
+-->
+<resources>
+
+    <style name="MaterialTheme" parent="android:Theme.Material.Light.NoActionBar.Fullscreen" />
+
+</resources>
\ No newline at end of file

Camera2VideoSample/src/main/res/values/template-dimens.xml

+<!--
+  Copyright 2013 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.
+  -->
+
+<resources>
+
+    <!-- Define standard dimensions to comply with Holo-style grids and rhythm. -->
+
+    <dimen name="margin_tiny">4dp</dimen>
+    <dimen name="margin_small">8dp</dimen>
+    <dimen name="margin_medium">16dp</dimen>
+    <dimen name="margin_large">32dp</dimen>
+    <dimen name="margin_huge">64dp</dimen>
+
+    <!-- Semantic definitions -->
+
+    <dimen name="horizontal_page_margin">@dimen/margin_medium</dimen>
+    <dimen name="vertical_page_margin">@dimen/margin_medium</dimen>
+
+</resources>

Camera2VideoSample/src/main/res/values/template-styles.xml

+<!--
+  Copyright 2013 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.
+  -->
+
+<resources>
+
+    <!-- Activity themes -->
+
+    <style name="Theme.Base" parent="android:Theme.Light" />
+
+    <style name="Theme.Sample" parent="Theme.Base" />
+
+    <style name="AppTheme" parent="Theme.Sample" />
+    <!-- Widget styling -->
+
+    <style name="Widget" />
+
+    <style name="Widget.SampleMessage">
+        <item name="android:textAppearance">?android:textAppearanceMedium</item>
+        <item name="android:lineSpacingMultiplier">1.1</item>
+    </style>
+
+    <style name="Widget.SampleMessageTile">
+        <item name="android:background">@drawable/tile</item>
+        <item name="android:shadowColor">#7F000000</item>
+        <item name="android:shadowDy">-3.5</item>
+        <item name="android:shadowRadius">2</item>
+    </style>
+
+</resources>

README.txt

+Build Instructions
+-------------------
+
+This sample uses the Gradle build system. To build this project, use the
+"gradlew build" command or use "Import Project" in Android Studio.
+
+To see a list of all available commands, run "gradlew tasks".
+
+Dependencies
+-------------
+
+- Android SDK Build-tools v18.1
+- Android Support Repository v2
+
+Dependencies are available for download via the Android SDK Manager.
+
+Android Studio is available for download at:
+    http://developer.android.com/sdk/installing/studio.html

build.gradle

+
+
+
+
+
+
+
+
+
+
+
+
+
+

gradle/wrapper/gradle-wrapper.properties

+#Wed Apr 10 15:27:10 PDT 2013
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=http\://services.gradle.org/distributions/gradle-1.10-bin.zip

gradlew

+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

gradlew.bat

+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

+
+
+
+include 'Camera2VideoSample'