增加六通道配置拍照

app/build.gradle

@@ -54,6 +54,9 @@ android {
         }
     }
 
+    buildFeatures {
+        viewBinding true
+    }
 }
 
 dependencies {
@@ -63,4 +66,20 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+
+    //CameraX
+//    implementation "androidx.camera:camera-core:1.4.1"
+//    implementation "androidx.camera:camera-camera2:1.4.1"
+//    implementation "androidx.camera:camera-view:1.4.1"
+//    implementation "androidx.camera:camera-lifecycle:1.4.1"
+//    implementation "androidx.camera:camera-video:1.4.1"
+
+// CameraX core library using camera2 implementation
+    implementation "androidx.camera:camera-camera2:1.1.0"
+// CameraX Lifecycle Library
+    implementation "androidx.camera:camera-lifecycle:1.1.0"
+// CameraX View class
+    implementation "androidx.camera:camera-view:1.1.0"
+
+
 }

app/src/main/AndroidManifest.xml

@@ -21,10 +21,12 @@
         android:theme="@style/Theme.MpPreview"
         android:requestLegacyExternalStorage="true"
         tools:targetApi="30">
+        <activity
+            android:name=".CameraChannelActivity"
+            android:exported="false" />
         <activity
             android:name=".CameraActivity"
-            android:exported="false"
+            android:exported="false" />
-             />
         <activity
             android:name=".MainActivity"
             android:exported="true">

app/src/main/java/com/xypower/mppreview/Camera2RawFragment.java

@@ -1101,7 +1101,8 @@ public class Camera2RawFragment extends Fragment {
             Range<Integer> range = mCharacteristics.get(CameraCharacteristics.CONTROL_AE_COMPENSATION_RANGE);
             Rational rational = mCharacteristics.get(CameraCharacteristics.CONTROL_AE_COMPENSATION_STEP);
             double step = rational.doubleValue();
-
+            captureBuilder.set(CaptureRequest.EDGE_MODE, CaptureRequest.EDGE_MODE_HIGH_QUALITY);
+            captureBuilder.set(CaptureRequest.NOISE_REDUCTION_MODE, CaptureRequest.NOISE_REDUCTION_MODE_HIGH_QUALITY);
             if (pic1 < 21) {
                 // mCharacteristics.get(CameraMetadata.CONTROL_AE_COMPENSATION_STEP)
                 ArrayList<PngPhotoBean> mlist = new ArrayList<>();

app/src/main/java/com/xypower/mppreview/CameraChannelActivity.java

@@ -0,0 +1,151 @@
+package com.xypower.mppreview;
+
+import static android.os.Environment.getExternalStoragePublicDirectory;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.camera.core.CameraInfo;
+import androidx.camera.core.CameraSelector;
+import androidx.camera.core.ImageAnalysis;
+import androidx.camera.core.ImageCapture;
+import androidx.camera.core.ImageCaptureException;
+import androidx.camera.core.Preview;
+import androidx.camera.lifecycle.ProcessCameraProvider;
+import androidx.camera.view.PreviewView;
+import androidx.core.content.ContextCompat;
+
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Environment;
+import android.util.Log;
+import android.view.View;
+import android.widget.Toast;
+
+import com.google.common.util.concurrent.ListenableFuture;
+import com.xypower.mppreview.bean.Contants;
+import com.xypower.mppreview.databinding.ActivityCameraChannelBinding;
+
+import java.io.File;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class CameraChannelActivity extends AppCompatActivity implements View.OnClickListener {
+
+    private com.xypower.mppreview.databinding.ActivityCameraChannelBinding viewBinding;
+    private int camerid;
+    private ImageCapture imageCapture;
+    private ExecutorService cameraExecutor;
+    private File outputDirectory;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        viewBinding = ActivityCameraChannelBinding.inflate(getLayoutInflater());
+        setContentView(viewBinding.getRoot());
+        camerid = getIntent().getIntExtra(Contants.CAMERAID, 0);
+        initEvent();
+
+        // 设置照片等保存的位置
+        outputDirectory = getOutputDirectory();
+
+        cameraExecutor = Executors.newSingleThreadExecutor();
+
+        startCamera(camerid);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        cameraExecutor.shutdown();
+    }
+
+    private void initEvent() {
+        viewBinding.imageCaptureButton.setOnClickListener(this);
+    }
+
+    @Override
+    public void onClick(View v) {
+        takePhoto();
+    }
+
+    private void startCamera(int cameraid) {
+        // 将Camera的生命周期和Activity绑定在一起（设定生命周期所有者），这样就不用手动控制相机的启动和关闭。
+        ListenableFuture<ProcessCameraProvider> cameraProviderFuture = ProcessCameraProvider.getInstance(this);
+
+        cameraProviderFuture.addListener(() -> {
+            try {
+                // 将你的相机和当前生命周期的所有者绑定所需的对象
+                ProcessCameraProvider processCameraProvider = cameraProviderFuture.get();
+
+                // 创建一个Preview 实例，并设置该实例的 surface 提供者（provider）。
+                PreviewView viewFinder = viewBinding.viewFinder;
+                Preview preview = new Preview.Builder().build();
+                preview.setSurfaceProvider(viewFinder.getSurfaceProvider());
+
+                // 选择后置摄像头作为默认摄像头
+//                CameraSelector cameraSelector = CameraSelector.DEFAULT_BACK_CAMERA;
+
+                List<CameraInfo> availableCameraInfos = processCameraProvider.getAvailableCameraInfos();
+                CameraInfo cameraInfo = availableCameraInfos.get(cameraid);
+                CameraSelector cameraSelector = cameraInfo.getCameraSelector();
+
+                // 创建拍照所需的实例
+                imageCapture = new ImageCapture.Builder().build();
+
+                // 设置预览帧分析
+                ImageAnalysis imageAnalysis = new ImageAnalysis.Builder().build();
+                imageAnalysis.setAnalyzer(cameraExecutor, new MyAnalyzer());
+
+                // 重新绑定用例前先解绑
+                processCameraProvider.unbindAll();
+
+                // 绑定用例至相机
+                processCameraProvider.bindToLifecycle(CameraChannelActivity.this, cameraSelector, preview,imageCapture,imageAnalysis);
+
+            } catch (Exception e) {
+                Log.e(Contants.TAG, "用例绑定失败！" + e);
+            }
+        }, ContextCompat.getMainExecutor(this));
+
+    }
+
+    private void takePhoto() {
+        // 确保imageCapture 已经被实例化, 否则程序将可能崩溃
+        if (imageCapture != null) {
+            // 创建带时间戳的输出文件以保存图片，带时间戳是为了保证文件名唯一
+            File photoFile = new File(outputDirectory, new SimpleDateFormat(Contants.FILENAME_FORMAT, Locale.SIMPLIFIED_CHINESE).format(System.currentTimeMillis()) + ".jpg");
+
+            // 创建 output option 对象，用以指定照片的输出方式
+            ImageCapture.OutputFileOptions outputFileOptions = new ImageCapture.OutputFileOptions.Builder(photoFile).build();
+
+            // 执行takePicture（拍照）方法
+            imageCapture.takePicture(outputFileOptions, ContextCompat.getMainExecutor(this), new ImageCapture.OnImageSavedCallback() {// 保存照片时的回调
+                @Override
+                public void onImageSaved(@NonNull ImageCapture.OutputFileResults outputFileResults) {
+                    Uri savedUri = Uri.fromFile(photoFile);
+                    String msg = "照片捕获成功! " + savedUri;
+                    Toast.makeText(getBaseContext(), msg, Toast.LENGTH_SHORT).show();
+                    Log.d(Contants.TAG, msg);
+                }
+
+                @Override
+                public void onError(@NonNull ImageCaptureException exception) {
+                    Log.e(Contants.TAG, "Photo capture failed: " + exception.getMessage());
+                }
+            });
+        }
+    }
+
+    private File getOutputDirectory() {
+        File mediaDir = new File(getExternalMediaDirs()[0], getString(R.string.app_name));
+        boolean isExist = mediaDir.exists() || mediaDir.mkdir();
+        return isExist ? mediaDir : null;
+    }
+
+
+}

app/src/main/java/com/xypower/mppreview/MainActivity.java

@@ -13,14 +13,12 @@ import android.Manifest;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.text.Editable;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.Button;
-import android.widget.EditText;
-import android.widget.Spinner;
 
 import com.xypower.mppreview.bean.Contants;
+import com.xypower.mppreview.databinding.ActivityMainBinding;
 
 import java.io.File;
 
@@ -37,6 +35,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
     private Button hdrtakepic;
     private ActivityResultLauncher<Intent> photoResultLauncher;
     private int picsize = 0;
+    private com.xypower.mppreview.databinding.ActivityMainBinding viewBinding;
 
 
     protected native void test();
@@ -44,7 +43,8 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main);
+        viewBinding = ActivityMainBinding.inflate(getLayoutInflater());
+        setContentView(viewBinding.getRoot());
         initView();
         initActivityResult();
 
@@ -82,12 +82,15 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
     }
 
     private void initView() {
-        hdrtakepic = findViewById(R.id.hdrtakepic);
+        viewBinding.hdrtakepic.setOnClickListener(this);
-        systakepic = findViewById(R.id.systakepic);
+        viewBinding.systakepic.setOnClickListener(this);
-        Spinner spinner = findViewById(R.id.spinner);
+        viewBinding.spinner.setOnItemSelectedListener(this);
-        hdrtakepic.setOnClickListener(this);
+        viewBinding.channel1.setOnClickListener(this);
-        systakepic.setOnClickListener(this);
+        viewBinding.channel2.setOnClickListener(this);
-        spinner.setOnItemSelectedListener(this);
+        viewBinding.channel3.setOnClickListener(this);
+        viewBinding.channel4.setOnClickListener(this);
+        viewBinding.channel5.setOnClickListener(this);
+        viewBinding.channel6.setOnClickListener(this);
     }
 
     private void initActivityResult() {
@@ -135,8 +138,32 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
             case R.id.systakepic:
                 PhotoUtil.openCamera(this, photoResultLauncher);
                 break;
+            case R.id.channel1:
+                openChannelActivity(0);
+                break;
+            case R.id.channel2:
+                openChannelActivity(1);
+                break;
+            case R.id.channel3:
+                openChannelActivity(2);
+                break;
+            case R.id.channel4:
+                openChannelActivity(3);
+                break;
+            case R.id.channel5:
+                openChannelActivity(4);
+                break;
+            case R.id.channel6:
+                openChannelActivity(5);
+                break;
+        }
+
     }
 
+    public void openChannelActivity(int channel) {
+        Intent intent = new Intent(this, CameraChannelActivity.class);
+        intent.putExtra(Contants.CAMERAID, channel);
+        startActivity(intent);
     }
 
 

app/src/main/java/com/xypower/mppreview/MyAnalyzer.java

@@ -0,0 +1,21 @@
+package com.xypower.mppreview;
+
+import android.annotation.SuppressLint;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+import androidx.camera.core.ImageAnalysis;
+import androidx.camera.core.ImageProxy;
+
+import com.xypower.mppreview.bean.Contants;
+
+import java.util.Objects;
+
+public class MyAnalyzer implements ImageAnalysis.Analyzer{
+    @SuppressLint("UnsafeOptInUsageError")
+    @Override
+    public void analyze(@NonNull ImageProxy image) {
+        Log.d(Contants.TAG, "Image's stamp is " + Objects.requireNonNull(image.getImage()).getTimestamp());
+        image.close();
+    }
+}

app/src/main/java/com/xypower/mppreview/bean/Contants.java

@@ -1,5 +1,10 @@
 package com.xypower.mppreview.bean;
 
+import java.io.File;
+
 public class Contants {
+    public static final String TAG = "MpPriview";
     public static final String HDRNUM = "hdrnum";
+    public static final String CAMERAID = "CAMERAID";
+    public static final String FILENAME_FORMAT = "yyyy-MM-dd-HH-mm-ss-SSS";
 }

app/src/main/res/layout/activity_camera_channel.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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=".CameraChannelActivity">
+
+    <androidx.camera.view.PreviewView
+        android:id="@+id/viewFinder"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <Button
+        android:id="@+id/image_capture_button"
+        android:layout_width="110dp"
+        android:layout_height="110dp"
+        android:layout_marginEnd="50dp"
+        android:layout_marginBottom="50dp"
+        android:elevation="2dp"
+        android:text="拍照"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@id/vertical_centerline"
+        app:layout_constraintLeft_toLeftOf="parent" />
+
+    <Button
+        android:id="@+id/video_capture_button"
+        android:layout_width="110dp"
+        android:layout_height="110dp"
+        android:layout_marginStart="50dp"
+        android:layout_marginBottom="50dp"
+        android:elevation="2dp"
+        android:text="预览"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toEndOf="@id/vertical_centerline" />
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/vertical_centerline"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent=".50" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -29,7 +29,7 @@
 
     <Button
         android:id="@+id/hdrtakepic"
-        android:layout_width="wrap_content"
+        android:layout_width="100dp"
         android:layout_height="wrap_content"
         android:layout_marginTop="20dp"
         android:text="HDR拍照"
@@ -38,12 +38,64 @@
 
     <Button
         android:id="@+id/systakepic"
-        android:layout_width="wrap_content"
+        android:layout_width="100dp"
         android:layout_height="wrap_content"
         android:layout_marginLeft="15dp"
         android:text="拍照"
         app:layout_constraintLeft_toRightOf="@id/hdrtakepic"
         app:layout_constraintTop_toTopOf="@+id/hdrtakepic" />
 
+    <Button
+        android:id="@+id/channel1"
+        android:layout_width="100dp"
+        android:layout_height="wrap_content"
+        android:text="通道一"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/hdrtakepic" />
+
+    <Button
+        android:id="@+id/channel2"
+        android:layout_width="100dp"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="15dp"
+        android:text="通道二"
+        app:layout_constraintLeft_toRightOf="@+id/channel1"
+        app:layout_constraintTop_toTopOf="@+id/channel1" />
+
+    <Button
+        android:id="@+id/channel3"
+        android:layout_width="100dp"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="15dp"
+        android:text="通道三"
+        app:layout_constraintLeft_toRightOf="@+id/channel2"
+        app:layout_constraintTop_toTopOf="@+id/channel1" />
+
+    <Button
+        android:id="@+id/channel4"
+        android:layout_width="100dp"
+        android:layout_height="wrap_content"
+        android:text="通道四"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/channel1" />
+
+    <Button
+        android:id="@+id/channel5"
+        android:layout_width="100dp"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="15dp"
+        android:text="通道五"
+        app:layout_constraintLeft_toRightOf="@+id/channel4"
+        app:layout_constraintTop_toTopOf="@+id/channel4" />
+
+    <Button
+        android:id="@+id/channel6"
+        android:layout_width="100dp"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="15dp"
+        android:text="通道六"
+        app:layout_constraintLeft_toRightOf="@+id/channel5"
+        app:layout_constraintTop_toTopOf="@+id/channel4" />
+
 
 </androidx.constraintlayout.widget.ConstraintLayout>