修复bug，也把使用说明写在里面了

app/src/main/AndroidManifest.xml

@@ -10,6 +10,18 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.VCAM">
 
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.VCAM">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+
 
         <meta-data
             android:name="xposedmodule"

app/src/main/java/com/example/vcam/HookMain.java

@@ -208,44 +208,39 @@ public void onPrepared(MediaPlayer mp) {
             @SuppressLint("SdCardPath")
             @Override
             protected void beforeHookedMethod(MethodHookParam param) {
-                if (param.args[0] == null){
-                    return;
+                if (param.args[0] != null) {
+                    process_callback(param);
                 }
-                process_callback(param);
             }
         });
 
         XposedHelpers.findAndHookMethod("android.hardware.Camera", lpparam.classLoader, "addCallbackBuffer", byte[].class, new XC_MethodHook() {
             @SuppressLint("SdCardPath")
             @Override
             protected void beforeHookedMethod(MethodHookParam param) {
-                if (param.args[0] == null){
-                    return;
+                if (param.args[0] != null) {
+                    param.args[0] = new byte[((byte[])param.args[0]).length];
                 }
-                Camera thiscam = (Camera) param.thisObject;
-                param.args[0] = new byte[thiscam.getParameters().getPreviewSize().width*thiscam.getParameters().getPreviewSize().height*3/2];
             }
         });
 
         XposedHelpers.findAndHookMethod("android.hardware.Camera", lpparam.classLoader, "setPreviewCallback", Camera.PreviewCallback.class, new XC_MethodHook() {
             @SuppressLint("SdCardPath")
             @Override
             protected void beforeHookedMethod(MethodHookParam param) {
-                if (param.args[0] == null){
-                    return;
+                if (param.args[0] != null) {
+                    process_callback(param);
                 }
-                process_callback(param);
             }
         });
 
         XposedHelpers.findAndHookMethod("android.hardware.Camera", lpparam.classLoader, "setOneShotPreviewCallback", Camera.PreviewCallback.class, new XC_MethodHook() {
             @SuppressLint("SdCardPath")
             @Override
             protected void beforeHookedMethod(MethodHookParam param) {
-                if (param.args[0] == null){
-                    return;
+                if (param.args[0] != null) {
+                    process_callback(param);
                 }
-                process_callback(param);
             }
         });
 
@@ -279,7 +274,7 @@ protected void afterHookedMethod(MethodHookParam param) {
             @Override
             protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
                 super.beforeHookedMethod(param);
-                XposedBridge.log("在录象，已打断");
+                XposedBridge.log("在录像，已打断");
                 param.args[0] = null;
             }
         });
@@ -346,7 +341,7 @@ protected void beforeHookedMethod(MethodHookParam paramd) throws Throwable {
     @SuppressLint("SdCardPath")
     public void process_a_shot_YUV(XC_MethodHook.MethodHookParam param) {
         try {
-            XposedBridge.log("发现拍照raw:" + param.args[1].toString());
+            XposedBridge.log("发现拍照YUV:" + param.args[1].toString());
         } catch (Exception eee) {
             XposedBridge.log(eee.toString());
 

app/src/main/java/com/example/vcam/MainActivity.java

@@ -26,21 +26,5 @@ public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        Button button = (Button) findViewById(R.id.button);
-        EditText viewt1 =(EditText) findViewById(R.id.editTextTextPersonName);
-        SharedPreferences stored_id = getSharedPreferences("camera_id", Context.MODE_PRIVATE);
-        String Texture_path = stored_id.getString("id","");
-
-        button.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View viewa) {
-                String text_string = viewt1.getText().toString();
-                SharedPreferences.Editor ideditor = stored_id.edit();
-                ideditor.putString("id",text_string);
-                ideditor.commit();
-                Toast Toast1 =Toast.makeText(getApplicationContext(),"已保存",Toast.LENGTH_SHORT);
-                Toast1.show();
-            }
-        });
     }
 }

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

@@ -6,61 +6,34 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <EditText
-        android:id="@+id/editTextTextPersonName"
+    <TextView
+        android:id="@+id/textView"
         android:layout_width="0dp"
         android:layout_height="0dp"
         android:layout_marginStart="16dp"
-        android:layout_marginTop="38dp"
+        android:layout_marginLeft="16dp"
+        android:layout_marginTop="8dp"
         android:layout_marginEnd="16dp"
-        android:layout_marginBottom="36dp"
-        android:ems="10"
-        android:hint="@string/text1"
-        android:inputType="textPersonName"
-        android:minHeight="48dp"
-        app:layout_constraintBottom_toTopOf="@+id/editTextTextPersonName2"
+        android:layout_marginRight="16dp"
+        android:layout_marginBottom="8dp"
+        android:text="@string/_1_xposed_xposed_edxp_lsp_vmos_2_lsp_app_3_virtual_mp4_sdcard_dcim_camera_4_premiere_bmp_premiere_1000_1_bmp_sdcard_dcim_camera_bmp_5"
+        app:layout_constraintBottom_toTopOf="@+id/textView2"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        tools:ignore="TouchTargetSizeCheck" />
-
-    <EditText
-        android:id="@+id/editTextTextPersonName2"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        android:layout_marginStart="14dp"
-        android:layout_marginEnd="14dp"
-        android:layout_marginBottom="31dp"
-        android:ems="10"
-        android:hint="@string/text2"
-        android:inputType="textPersonName"
-        app:layout_constraintBottom_toTopOf="@+id/button"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/editTextTextPersonName"
-        tools:ignore="TouchTargetSizeCheck" />
+        app:layout_constraintTop_toTopOf="parent" />
 
     <TextView
-        android:id="@+id/textView"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        android:layout_marginStart="8dp"
-        android:layout_marginEnd="8dp"
-        android:layout_marginBottom="240dp"
-        android:text="@string/textureview_m3u8"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/button" />
-
-    <Button
-        android:id="@+id/button"
+        android:id="@+id/textView2"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="32dp"
-        android:text="保存"
-        app:layout_constraintBottom_toTopOf="@+id/textView"
-        app:layout_constraintEnd_toEndOf="parent"
+        android:layout_marginStart="16dp"
+        android:layout_marginLeft="16dp"
+        android:layout_marginBottom="38dp"
+        android:inputType="text"
+        android:scrollbarSize="20dp"
+        android:text="请勿用于任何非法用途，所有后果自负"
+        android:textSize="20sp"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/editTextTextPersonName2" />
+        app:layout_constraintTop_toBottomOf="@+id/textView" />
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -3,4 +3,5 @@
     <string name="text1">替换预览资源，空为停用</string>
     <string name="text2">回调资源，仅支持本地YUV420，空为停用</string>
     <string name="textureview_m3u8">注：预览资源指TextureView的替换，支持视频（支持在线资源，如M3U8）\n回调资源指onPreviewFrame的替换，仅支持本地YUV420的图片，添加图片请确认图片尺寸与摄像头预览尺寸匹配（可在xposed的日志中看到摄像头预览尺寸）</string>
+    <string name="_1_xposed_xposed_edxp_lsp_vmos_2_lsp_app_3_virtual_mp4_sdcard_dcim_camera_4_premiere_bmp_premiere_1000_1_bmp_sdcard_dcim_camera_bmp_5">## 具体的使用方法：\n\n 1、安装xposed框架（传统xposed，edxp，lsp等均可，不确定虚拟框架能否使用，已经确定VMOS可用，应用转生不可用） \n\n2、安装模块，启用模块，lsp等包含定义域的框架需要选勾目标app，但无需选勾系统框架。  \n\n3、对于大多数应用，只需要将替换的视频命名为virtual.mp4，放在/sdcard/DCIM/Camera/目录下。 \n\n4、对于少部分应用（如腾讯会议，和其他应用大部分的二维码扫描），需要使用premiere或其它剪辑软件将视频拆分成BMP格式图片（命名格式：1000.bmp，1001.bmp，1002.bmp…………，最少1张图片，最大不超过1000张。premiere中视频总帧数超过1000帧，导出时名字设置为1.bmp，会自动按以上的命名格式命名），要注意的是图片分辨率需要与目标分辨率匹配（可在xposed日志中看到），将这些图片放在/sdcard/DCIM/Camera/bmp/目录下（没有的话自己创建）。  \n\n5、强制结束目标应用/重启手机。\n\n 开源地址：https://github.com/w2016561536/android_virtual_cam </string>
 </resources>