diff --git a/doc/小米便签开源代码的泛读报告.docx b/doc/小米便签开源代码的泛读报告.docx
index 8460a7c..e0a7d90 100644
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diff --git a/src/FaceRecognition/.gitignore b/src/FaceRecognition/.gitignore
new file mode 100644
index 0000000..aa724b7
--- /dev/null
+++ b/src/FaceRecognition/.gitignore
@@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
diff --git a/src/FaceRecognition/.idea/.gitignore b/src/FaceRecognition/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/src/FaceRecognition/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/src/FaceRecognition/.idea/compiler.xml b/src/FaceRecognition/.idea/compiler.xml
new file mode 100644
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+++ b/src/FaceRecognition/.idea/compiler.xml
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diff --git a/src/FaceRecognition/.idea/gradle.xml b/src/FaceRecognition/.idea/gradle.xml
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diff --git a/src/FaceRecognition/.idea/jarRepositories.xml b/src/FaceRecognition/.idea/jarRepositories.xml
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+++ b/src/FaceRecognition/.idea/jarRepositories.xml
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diff --git a/src/FaceRecognition/.idea/misc.xml b/src/FaceRecognition/.idea/misc.xml
new file mode 100644
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+++ b/src/FaceRecognition/.idea/misc.xml
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diff --git a/src/FaceRecognition/.idea/runConfigurations.xml b/src/FaceRecognition/.idea/runConfigurations.xml
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+++ b/src/FaceRecognition/.idea/runConfigurations.xml
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diff --git a/src/FaceRecognition/app/.gitignore b/src/FaceRecognition/app/.gitignore
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--- /dev/null
+++ b/src/FaceRecognition/app/.gitignore
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+/build
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diff --git a/src/FaceRecognition/app/build.gradle b/src/FaceRecognition/app/build.gradle
new file mode 100644
index 0000000..1fe9969
--- /dev/null
+++ b/src/FaceRecognition/app/build.gradle
@@ -0,0 +1,41 @@
+plugins {
+ id 'com.android.application'
+}
+
+android {
+ compileSdkVersion 30
+ buildToolsVersion "30.0.2"
+
+ defaultConfig {
+ applicationId "com.example.cameraalbumtest"
+ minSdkVersion 19
+ targetSdkVersion 30
+ versionCode 1
+ versionName "1.0"
+
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ }
+ compileOptions {
+ sourceCompatibility JavaVersion.VERSION_1_8
+ targetCompatibility JavaVersion.VERSION_1_8
+ }
+}
+
+dependencies {
+
+ implementation 'androidx.appcompat:appcompat:1.2.0'
+ implementation 'com.google.android.material:material:1.2.1'
+ implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
+ testImplementation 'junit:junit:4.+'
+ androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+
+
+}
\ No newline at end of file
diff --git a/src/FaceRecognition/app/proguard-rules.pro b/src/FaceRecognition/app/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/src/FaceRecognition/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file
diff --git a/src/FaceRecognition/app/src/androidTest/java/com/example/cameraalbumtest/ExampleInstrumentedTest.java b/src/FaceRecognition/app/src/androidTest/java/com/example/cameraalbumtest/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..46df79d
--- /dev/null
+++ b/src/FaceRecognition/app/src/androidTest/java/com/example/cameraalbumtest/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package com.example.cameraalbumtest;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see Testing documentation
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+ @Test
+ public void useAppContext() {
+ // Context of the app under test.
+ Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+ assertEquals("com.example.cameraalbumtest", appContext.getPackageName());
+ }
+}
\ No newline at end of file
diff --git a/src/FaceRecognition/app/src/main/AndroidManifest.xml b/src/FaceRecognition/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..28d46b0
--- /dev/null
+++ b/src/FaceRecognition/app/src/main/AndroidManifest.xml
@@ -0,0 +1,36 @@
+
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diff --git a/src/FaceRecognition/app/src/main/java/com/example/cameraalbumtest/CameraActivity.java b/src/FaceRecognition/app/src/main/java/com/example/cameraalbumtest/CameraActivity.java
new file mode 100644
index 0000000..cdc0231
--- /dev/null
+++ b/src/FaceRecognition/app/src/main/java/com/example/cameraalbumtest/CameraActivity.java
@@ -0,0 +1,153 @@
+package com.example.cameraalbumtest;
+
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.hardware.Camera;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+import android.view.View;
+import android.widget.Button;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.content.FileProvider;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class CameraActivity extends AppCompatActivity implements SurfaceHolder.Callback {
+ private Camera mCamera;
+ private SurfaceView mSurfaceView;
+ private SurfaceHolder mSurfaceHolder;
+ private Uri imageUri;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.camera);
+ mSurfaceView = findViewById(R.id.surfaceView);
+ mSurfaceHolder = mSurfaceView.getHolder();
+ mSurfaceHolder.addCallback(this);
+
+ Button takePhoto = (Button) findViewById(R.id.take_photo);
+ takePhoto.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ takePhoto();
+ }
+ });
+ }
+
+ @Override
+ public void surfaceCreated(SurfaceHolder holder) {
+ // 在surfaceCreated回调中打开相机
+ openCamera();
+ }
+
+ @Override
+ public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
+ // 在surfaceChanged回调中设置相机参数和开始预览
+ setupCamera(width, height);
+ startPreview();
+ }
+
+ @Override
+ public void surfaceDestroyed(SurfaceHolder holder) {
+ // 在surfaceDestroyed回调中释放相机资源
+ releaseCamera();
+ }
+
+ private void openCamera() {
+ try {
+ mCamera = Camera.open();
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+ private void setupCamera(int width, int height) {
+ if (mCamera != null) {
+ try {
+ Camera.Parameters parameters = mCamera.getParameters();
+ // 设置相机参数，例如对焦模式、预览大小等
+ // ...
+ mCamera.setParameters(parameters);
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+ private void startPreview() {
+ if (mCamera != null && mSurfaceHolder.getSurface() != null) {
+ try {
+ mCamera.setPreviewDisplay(mSurfaceHolder);
+ mCamera.startPreview();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+ private void releaseCamera() {
+ if (mCamera != null) {
+ mCamera.stopPreview();
+ mCamera.release();
+ mCamera = null;
+ }
+ }
+ private void takePhoto() {
+ if (mCamera != null) {
+ mCamera.takePicture(null, null, new Camera.PictureCallback() {
+ @Override
+ public void onPictureTaken(byte[] data, Camera camera) {
+ // 在这里处理拍照后的照片数据
+
+ savePhoto(data);
+ startPreview(); // 拍照完成后重新启动预览
+ }
+ });
+ }
+ }
+
+ private void savePhoto(byte[] data) {
+ OutputStream outputStream = null;
+ try {
+ File cacheDir = getCacheDir(); // 获取应用的缓存目录
+ File imagePath = new File(cacheDir, "output_image.jpg"); // 在缓存目录下创建文件
+ imageUri = Uri.fromFile(imagePath); // 将文件路径转换为Uri
+
+ Log.d("path",imageUri.toString());
+ // 创建一个文件输出流，指定保存路径
+ outputStream = new FileOutputStream(imageUri.getPath());
+ // 将字节数组写入文件输出流
+ outputStream.write(data);
+ // 刷新输出流
+ outputStream.flush();
+ // 保存成功，可以进行相应的提示或其他处理
+ Toast.makeText(this, "照片保存成功", Toast.LENGTH_SHORT).show();
+ } catch (IOException e) {
+ e.printStackTrace();
+ // 保存失败，可以进行相应的提示或其他处理
+ Toast.makeText(this, "照片保存失败", Toast.LENGTH_SHORT).show();
+ } finally {
+ // 关闭输出流
+ if (outputStream != null) {
+ try {
+ outputStream.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+ }
+
+}
+
diff --git a/src/FaceRecognition/app/src/main/java/com/example/cameraalbumtest/FaceRecognition.java b/src/FaceRecognition/app/src/main/java/com/example/cameraalbumtest/FaceRecognition.java
new file mode 100644
index 0000000..43a1863
--- /dev/null
+++ b/src/FaceRecognition/app/src/main/java/com/example/cameraalbumtest/FaceRecognition.java
@@ -0,0 +1,22 @@
+package com.example.cameraalbumtest;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.media.FaceDetector;
+
+public class FaceRecognition {
+ private static final int MAX_FACES = 1;
+
+ public static int countFaces(Bitmap bitmap) {
+ if (bitmap == null) {
+ return 0;
+ }
+
+ int width = bitmap.getWidth();
+ int height = bitmap.getHeight();
+ FaceDetector detector = new FaceDetector(width, height, MAX_FACES);
+ FaceDetector.Face[] faces = new FaceDetector.Face[MAX_FACES];
+ int numFaces = detector.findFaces(bitmap, faces);
+ return numFaces;
+ }
+}
diff --git a/src/FaceRecognition/app/src/main/java/com/example/cameraalbumtest/MainActivity.java b/src/FaceRecognition/app/src/main/java/com/example/cameraalbumtest/MainActivity.java
new file mode 100644
index 0000000..38a0c0a
--- /dev/null
+++ b/src/FaceRecognition/app/src/main/java/com/example/cameraalbumtest/MainActivity.java
@@ -0,0 +1,73 @@
+package com.example.cameraalbumtest;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+import androidx.core.content.FileProvider;
+
+import android.Manifest;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.hardware.Camera;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.provider.MediaStore;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.Toast;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+
+public class MainActivity extends AppCompatActivity {
+ private static final int REQUEST_CAMERA_PERMISSION = 1;
+ private Uri imageUri;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_main);
+
+ Button takePhoto = (Button) findViewById(R.id.start);
+ takePhoto.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ //相机权限
+ requestCameraPermission();
+
+ Intent intent = new Intent(MainActivity.this, CameraActivity.class);
+ startActivity(intent);
+ }
+ });
+ }
+ private void requestCameraPermission() {
+ if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
+ != PackageManager.PERMISSION_GRANTED) {
+ ActivityCompat.requestPermissions(this,
+ new String[]{Manifest.permission.CAMERA},
+ REQUEST_CAMERA_PERMISSION);
+ }
+ }
+
+ @Override
+ public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+ if (requestCode == REQUEST_CAMERA_PERMISSION) {
+ if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+ // 用户授予了相机权限
+ } else {
+ // 用户拒绝了相机权限
+ Toast.makeText(this, "相机权限被拒绝", Toast.LENGTH_SHORT).show();
+ }
+ }
+ }
+}
diff --git a/src/FaceRecognition/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/src/FaceRecognition/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..2b068d1
--- /dev/null
+++ b/src/FaceRecognition/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
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+