Java android camera2模拟器摄像头方向错误
我目前正在学习一个教程，并尝试设置android camera 2。这是它的代码 主要活动：Java android camera2模拟器摄像头方向错误,java,android,android-camera2,Java,Android,Android Camera2,我目前正在学习一个教程，并尝试设置android camera 2。这是它的代码 主要活动： import android.Manifest; import android.content.Context; import android.content.pm.PackageManager; import android.graphics.Camera; import android.graphics.ImageFormat; import android.graphics.SurfaceText
import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.graphics.Camera;
import android.graphics.ImageFormat;
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.TotalCaptureResult;
import android.hardware.camera2.params.StreamConfigurationMap;
import android.media.Image;
import android.media.ImageReader;
import android.os.Build;
import android.os.Environment;
import android.os.Handler;
import android.os.HandlerThread;
import android.support.annotation.NonNull;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Size;
import android.util.SparseIntArray;
import android.view.Surface;
import android.view.SurfaceView;
import android.view.TextureView;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.UUID;
public class MainActivity extends AppCompatActivity {
private static final int REQUEST_CAMERA_PERMISSION_RESULT = 0;
private Button btnCapture;
private TextureView mTextureView;
private TextureView.SurfaceTextureListener mSurfaceTextListener = new TextureView.SurfaceTextureListener() {
@Override
public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int i, int i1) {
setUpCamera(i,i1);
connectCamera();
}
@Override
public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int i, int i1) {
}
@Override
public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) {
return false;
}
@Override
public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {
}
};
private CameraDevice mCameraDevice;
private HandlerThread mBackgroundHandlerThread;
private Handler mBackgroundHandler;
private static SparseIntArray ORIENTATIONS = new SparseIntArray();
static {
ORIENTATIONS.append(Surface.ROTATION_0,0);
ORIENTATIONS.append(Surface.ROTATION_90,90);
ORIENTATIONS.append(Surface.ROTATION_180,180);
ORIENTATIONS.append(Surface.ROTATION_270,270);
}
private Size mPreviewSize;
private CaptureRequest.Builder mCaptureRequestBuilder;
private CameraDevice.StateCallback mCameraDeviceStateCallBack = new CameraDevice.StateCallback() {
@Override
public void onOpened(@NonNull CameraDevice cameraDevice) {
mCameraDevice = cameraDevice;
startPreview();
}
@Override
public void onDisconnected(@NonNull CameraDevice cameraDevice) {
cameraDevice.close();
mCameraDevice = null;
}
@Override
public void onError(@NonNull CameraDevice cameraDevice, int i) {
cameraDevice.close();
mCameraDevice = null;
}
};
private String mCameraId;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mTextureView = findViewById(R.id.textureView);
}
@Override
protected void onResume() {
super.onResume();
startBackgroundThread();
if (mTextureView.isAvailable()) {
setUpCamera(mTextureView.getWidth(),mTextureView.getHeight());
connectCamera();
} else {
mTextureView.setSurfaceTextureListener(mSurfaceTextListener);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == REQUEST_CAMERA_PERMISSION_RESULT) {
if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
Toast.makeText(getApplicationContext(),
"Application will not run without camera services ",
Toast.LENGTH_SHORT).show();
}
}
}
private void closeCamera() {
if (mCameraDevice != null) {
mCameraDevice.close();
mCameraDevice = null;
}
}
private void startBackgroundThread() {
mBackgroundHandlerThread = new HandlerThread("camera2VideoImage");
mBackgroundHandlerThread.start();
mBackgroundHandler = new Handler(mBackgroundHandlerThread.getLooper());
}
private void stopBackgroundThread() {
mBackgroundHandlerThread.quitSafely();
try {
mBackgroundHandlerThread.join();
mBackgroundHandlerThread = null;
mBackgroundHandler = null;
} catch (InterruptedException e) {
e.printStackTrace();
}
}
private static int sensorToDeviceRotation(CameraCharacteristics cameraCharacteristics, int deviceOrientation) {
int sensorOrientation = cameraCharacteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
deviceOrientation = ORIENTATIONS.get(deviceOrientation);
return ((sensorOrientation + deviceOrientation + 360) % 360);
}
private void setUpCamera(int width, int height) {
CameraManager cameraManager = (CameraManager)getSystemService(Context.CAMERA_SERVICE);
try {
for (String cameraId : cameraManager.getCameraIdList()) {
CameraCharacteristics cameraCharacteristics = cameraManager.getCameraCharacteristics(cameraId);
if (cameraCharacteristics.get(CameraCharacteristics.LENS_FACING) ==
CameraCharacteristics.LENS_FACING_FRONT) {
continue;
}
StreamConfigurationMap map = cameraCharacteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
int deviceOrientation = getWindowManager().getDefaultDisplay().getRotation();
int totalRotation = sensorToDeviceRotation(cameraCharacteristics,deviceOrientation);
boolean swapRotation = totalRotation == 90 || totalRotation == 270;
int rotatedWidth = width;
int rotatedHeight = height;
if (swapRotation) {
rotatedWidth = height;
rotatedHeight = width;
}
mPreviewSize = chooseOptimaSize(map.getOutputSizes(SurfaceTexture.class), rotatedWidth ,
rotatedHeight);
mCameraId = cameraId;
return;
}
} catch (CameraAccessException e) {
e.printStackTrace();
}
}
private void connectCamera() {
CameraManager cameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
try {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) ==
PackageManager.PERMISSION_GRANTED) {
cameraManager.openCamera(mCameraId, mCameraDeviceStateCallBack, mBackgroundHandler);
} else {
if (shouldShowRequestPermissionRationale(Manifest.permission.CAMERA)) {
Toast.makeText(this,
"Video app requires access to camera"
,Toast.LENGTH_SHORT).show();
}
requestPermissions(new String[] {Manifest.permission.CAMERA},
REQUEST_CAMERA_PERMISSION_RESULT);
}
} else {
cameraManager.openCamera(mCameraId, mCameraDeviceStateCallBack, mBackgroundHandler);
}
} catch (CameraAccessException e) {
e.printStackTrace();
}
}
private void startPreview() {
SurfaceTexture surfaceTexture = mTextureView.getSurfaceTexture();
surfaceTexture.setDefaultBufferSize(mPreviewSize.getWidth(),mPreviewSize.getHeight());
Surface previewSurface = new Surface(surfaceTexture);
try {
mCaptureRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
mCaptureRequestBuilder.addTarget(previewSurface);
mCameraDevice.createCaptureSession(Arrays.asList(previewSurface), new CameraCaptureSession.StateCallback() {
@Override
public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
try {
cameraCaptureSession.setRepeatingRequest(mCaptureRequestBuilder.build(),
null, mBackgroundHandler);
} catch (CameraAccessException e) {
e.printStackTrace();
}
}
@Override
public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
Toast.makeText(getApplicationContext(),"unable to setup preview",
Toast.LENGTH_SHORT).show();
}
} , null);
} catch (CameraAccessException e) {
e.printStackTrace();
}
}
private static class CompareSizeByArea implements Comparator<Size> {
@Override
public int compare(Size lhs, Size rhs) {
return Long.signum((long)lhs.getWidth() * lhs.getHeight() /
(long) rhs.getWidth() * rhs.getHeight());
}
}
private static Size chooseOptimaSize(Size[] choices, int width, int height) {
List<Size> bigEnough = new ArrayList<Size>();
for (Size option : choices) {
if (option.getHeight() == option.getWidth() * height / width &&
option.getWidth() >= width && option.getHeight() >= height) {
bigEnough.add(option);
}
}
if (bigEnough.size() > 0) {
return Collections.min(bigEnough, new CompareSizeByArea());
} else {
return choices[0];
}
}
@Override
protected void onPause() {
closeCamera();
super.onPause();
stopBackgroundThread();
}
}
导入android.Manifest；
导入android.content.Context；
导入android.content.pm.PackageManager；
导入android.graphics.Camera；
导入android.graphics.ImageFormat；
导入android.graphics.SurfaceTexture；
导入android.hardware.camera2.CameraAccessException；
导入android.hardware.camera2.CameraCaptureSession；
导入android.hardware.camera2.CameraCharacteristics；
导入android.hardware.camera2.CameraDevice；
导入android.hardware.camera2.CameraManager；
导入android.hardware.camera2.CameraMetadata；
导入android.hardware.camera2.CaptureRequest；
导入android.hardware.camera2.totalcapturesult；
导入android.hardware.camera2.params.StreamConfigurationMap；
导入android.media.Image；
导入android.media.ImageReader；
导入android.os.Build；
导入android.os.Environment；
导入android.os.Handler；
导入android.os.HandlerThread；
导入android.support.annotation.NonNull；
导入android.support.v4.content.ContextCompat；
导入android.support.v7.app.AppActivity；
导入android.os.Bundle；
导入android.util.Size；
导入android.util.SparseIntArray；
导入android.view.Surface；
导入android.view.SurfaceView；
导入android.view.TextureView；
导入android.view.view；
导入android.widget.Button；
导入android.widget.Toast；
导入java.io.File；
导入java.io.FileNotFoundException；
导入java.io.IOException；
导入java.nio.ByteBuffer；
导入java.util.ArrayList；
导入java.util.array；
导入java.util.Collection；
导入java.util.Collections；
导入java.util.Comparator；
导入java.util.List；
导入java.util.UUID；
公共类MainActivity扩展了AppCompatActivity{
私有静态最终int请求\摄像机\权限\结果=0；
私人按钮；
私有纹理视图mTextureView；
私有TextureView.SurfaceTextRelister mSurfaceTextListener=新TextReview.SurfaceTextRelister（）{
@凌驾
SurfaceTexture上的公共空心可用（SurfaceTexture SurfaceTexture，int i，int i1）{
设置摄像机（i，i1）；
连接摄像头（）；
}
@凌驾
表面结构尺寸更改的公共空隙（表面结构表面结构，int i，int i1）{
}
@凌驾
公共布尔onSurfaceTextureDestroyed（SurfaceTexture SurfaceTexture）{
返回false；
}
@凌驾
已更新SurfaceTexture上的公共空间（SurfaceTexture SurfaceTexture）{
}
};
私人摄像设备；
私有HandlerThread mBackgroundHandlerThread；
私人处理程序mBackgroundHandler；
专用静态SparseIntArray方向=新SparseIntArray（）；
静止的{
方向。附加（曲面。旋转_0,0）；
方向。附加（表面。旋转_90,90）；
方向。附加（表面。旋转_180180）；
方向。附加（表面。旋转_270270）；
}
私人规模的mPreviewSize；
私有CaptureRequest.Builder mCaptureRequestBuilder；
private CameraDevice.StateCallback mCameraDeviceStateCallBack=新建CameraDevice.StateCallback（）{
@凌驾
打开的公共无效（@NonNull CameraDevice CameraDevice）{
mCameraDevice=cameraDevice；
startPreview（）；
}
@凌驾
公共无效onDisconnected（@NonNull CameraDevice CameraDevice）{
cameraDevice.close（）；
mCameraDevice=null；
}
@凌驾
公共无效onError（@NonNull CameraDevice CameraDevice，int i）{
cameraDevice.close（）；
mCameraDevice=null；
}
};
私人字符串mCameraId；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.activity_main）；
mTextureView=findviewbyd（R.id.textureView）；
}
@凌驾
受保护的void onResume（）{
super.onResume（）；
startBackgroundThread（）；
if（mTextureView.isAvailable（））{
setUpCamera（mTextureView.getWidth（），mTextureView.getHeight（））；
连接摄像头（）；
}否则{
mTextureView.setSurfaceTextureListener（mSurfaceTextListener）；
}
}
@凌驾
public void onRequestPermissionsResult（int-requestCode，@NonNull-String[]permissions，@NonNull-int[]grantResults）{
super.onRequestPermissionsResult（请求代码、权限、授权结果）；
if（requestCode==请求\摄像机\权限\结果）{
如果（grantResults[0]！=PackageManager.PERMISSION\u已授予）{
Toast.makeText（getApplicationContext（），
“没有摄像头服务，应用程序将无法运行”，
吐司。长度（短）。show（）；
}
}
}
私人摄像机（）{
if（mCameraDevice！=null）{
mCameraDevice.close（）；
mCameraDevice=null；
}
}
私有void startBackgroundThread（）{
mBackgroundHandlerThread=新HandlerThread（“camera2VideoImage”）；
mBackgroundHandlerThread.start（）；
mBackgroundHandler=新处理程序（mBackgroundHandlerThread.getLooper（））；
}
私有void stopBackgroundThread（）{
mBackgroundHandlerThread.quitSafety（）；
试一试{
mBackgroundHandlerThread.join（）；
mBackgroundHandlerThread=null；
mBackgroundHandler=null；
}捕捉（中断异常e）{
e、 printStackTrace（）；
}
}
专用静态int传感器至设备旋转（摄像机特性摄像机特性、int设备定向）{
int SENSORATION=cameraCharacteristics.get（cameraCharacteristics.SENSOR\u方向）；
deviceOrientation=方向。get（deviceOrientation）；
返回（（传感器方向+设备方向+360）%360）；
}
专用照相机（整数宽度、整数高度）{
CameraManager CameraManager=（CameraManager）getSystemService（Context.CAMERA_服务）；
试一试{
对于（字符串cameraId:cameraManager.getCameraIdList（））{
CameraCharacteristics CameraCharacteristics=cameraManager.getCameraCharacteristics（CameraRAID）；
if（摄像机特性.获取（摄像机特性.镜头朝向）
private static final int REQUEST_CAMERA_PERMISSION_RESULT = 0;
private Button btnCapture;
private TextureView mTextureView;
private TextureView.SurfaceTextureListener mSurfaceTextListener = new TextureView.SurfaceTextureListener() {
@Override
public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int i, int i1) {
setUpCamera(i,i1);
connectCamera();
}
@Override
public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int i, int i1) {
}
@Override
public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) {
return false;
}
@Override
public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {
}
};
private CameraDevice mCameraDevice;
private HandlerThread mBackgroundHandlerThread;
private Handler mBackgroundHandler;
private static SparseIntArray ORIENTATIONS = new SparseIntArray();
static {
ORIENTATIONS.append(Surface.ROTATION_0,0);
ORIENTATIONS.append(Surface.ROTATION_90,90);
ORIENTATIONS.append(Surface.ROTATION_180,180);
ORIENTATIONS.append(Surface.ROTATION_270,270);
}
private Size mPreviewSize;
private CaptureRequest.Builder mCaptureRequestBuilder;
private CameraDevice.StateCallback mCameraDeviceStateCallBack = new CameraDevice.StateCallback() {
@Override
public void onOpened(@NonNull CameraDevice cameraDevice) {
mCameraDevice = cameraDevice;
startPreview();
}
@Override
public void onDisconnected(@NonNull CameraDevice cameraDevice) {
cameraDevice.close();
mCameraDevice = null;
}
@Override
public void onError(@NonNull CameraDevice cameraDevice, int i) {
cameraDevice.close();
mCameraDevice = null;
}
};
private String mCameraId;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mTextureView = findViewById(R.id.textureView);
}
@Override
protected void onResume() {
super.onResume();
startBackgroundThread();
if (mTextureView.isAvailable()) {
setUpCamera(mTextureView.getWidth(),mTextureView.getHeight());
connectCamera();
} else {
mTextureView.setSurfaceTextureListener(mSurfaceTextListener);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == REQUEST_CAMERA_PERMISSION_RESULT) {
if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
Toast.makeText(getApplicationContext(),
"Application will not run without camera services ",
Toast.LENGTH_SHORT).show();
}
}
}
private void closeCamera() {
if (mCameraDevice != null) {
mCameraDevice.close();
mCameraDevice = null;
}
}
private void startBackgroundThread() {
mBackgroundHandlerThread = new HandlerThread("camera2VideoImage");
mBackgroundHandlerThread.start();
mBackgroundHandler = new Handler(mBackgroundHandlerThread.getLooper());
}
private void stopBackgroundThread() {
mBackgroundHandlerThread.quitSafely();
try {
mBackgroundHandlerThread.join();
mBackgroundHandlerThread = null;
mBackgroundHandler = null;
} catch (InterruptedException e) {
e.printStackTrace();
}
}
private static int sensorToDeviceRotation(CameraCharacteristics cameraCharacteristics, int deviceOrientation) {
int sensorOrientation = cameraCharacteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
deviceOrientation = ORIENTATIONS.get(deviceOrientation);
return ((sensorOrientation + deviceOrientation + 360) % 360);
}
private void setUpCamera(int width, int height) {
CameraManager cameraManager = (CameraManager)getSystemService(Context.CAMERA_SERVICE);
try {
for (String cameraId : cameraManager.getCameraIdList()) {
CameraCharacteristics cameraCharacteristics = cameraManager.getCameraCharacteristics(cameraId);
if (cameraCharacteristics.get(CameraCharacteristics.LENS_FACING) ==
CameraCharacteristics.LENS_FACING_FRONT) {
continue;
}
StreamConfigurationMap map = cameraCharacteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
int deviceOrientation = getWindowManager().getDefaultDisplay().getRotation();
int totalRotation = sensorToDeviceRotation(cameraCharacteristics,deviceOrientation);
boolean swapRotation = totalRotation == 90 || totalRotation == 270;
int rotatedWidth = width;
int rotatedHeight = height;
if (swapRotation) {
rotatedWidth = height;
rotatedHeight = width;
}
mPreviewSize = chooseOptimaSize(map.getOutputSizes(SurfaceTexture.class), rotatedWidth ,
rotatedHeight);
mCameraId = cameraId;
return;
}
} catch (CameraAccessException e) {
e.printStackTrace();
}
}
private void connectCamera() {
CameraManager cameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
try {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) ==
PackageManager.PERMISSION_GRANTED) {
cameraManager.openCamera(mCameraId, mCameraDeviceStateCallBack, mBackgroundHandler);
} else {
if (shouldShowRequestPermissionRationale(Manifest.permission.CAMERA)) {
Toast.makeText(this,
"Video app requires access to camera"
,Toast.LENGTH_SHORT).show();
}
requestPermissions(new String[] {Manifest.permission.CAMERA},
REQUEST_CAMERA_PERMISSION_RESULT);
}
} else {
cameraManager.openCamera(mCameraId, mCameraDeviceStateCallBack, mBackgroundHandler);
}
} catch (CameraAccessException e) {
e.printStackTrace();
}
}
private void startPreview() {
SurfaceTexture surfaceTexture = mTextureView.getSurfaceTexture();
surfaceTexture.setDefaultBufferSize(mPreviewSize.getWidth(),mPreviewSize.getHeight());
Surface previewSurface = new Surface(surfaceTexture);
try {
mCaptureRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
mCaptureRequestBuilder.addTarget(previewSurface);
mCameraDevice.createCaptureSession(Arrays.asList(previewSurface), new CameraCaptureSession.StateCallback() {
@Override
public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
try {
cameraCaptureSession.setRepeatingRequest(mCaptureRequestBuilder.build(),
null, mBackgroundHandler);
} catch (CameraAccessException e) {
e.printStackTrace();
}
}
@Override
public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
Toast.makeText(getApplicationContext(),"unable to setup preview",
Toast.LENGTH_SHORT).show();
}
} , null);
} catch (CameraAccessException e) {
e.printStackTrace();
}
}
private static class CompareSizeByArea implements Comparator<Size> {
@Override
public int compare(Size lhs, Size rhs) {
return Long.signum((long)lhs.getWidth() * lhs.getHeight() /
(long) rhs.getWidth() * rhs.getHeight());
}
}
private static Size chooseOptimaSize(Size[] choices, int width, int height) {
List<Size> bigEnough = new ArrayList<Size>();
for (Size option : choices) {
if (option.getHeight() == option.getWidth() * height / width &&
option.getWidth() >= width && option.getHeight() >= height) {
bigEnough.add(option);
}
}
if (bigEnough.size() > 0) {
return Collections.min(bigEnough, new CompareSizeByArea());
} else {
return choices[0];
}
}
@Override
protected void onPause() {
closeCamera();
super.onPause();
stopBackgroundThread();
}
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<TextureView
android:id="@+id/textureView"
android:layout_width="match_parent"
android:layout_above="@+id/buttonCapture"
android:layout_height="match_parent" />
<Button
android:layout_width="match_parent"
android:layout_alignParentBottom="true"
android:layout_height="wrap_content"
android:id="@+id/buttonCapture"
android:text="CAPTURE"/>
</RelativeLayout>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.androidcamera2api">
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.hardware.camera2.full" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".CameraActivity"></activity>
</application>
</manifest>
<activity android:name=".MainActivity"
android:screenOrientation="portrait">