diff --git a/manager/src/main/java/org/lsposed/lspatch/Patcher.kt b/manager/src/main/java/org/lsposed/lspatch/Patcher.kt
index 1632d1d..8aa59f4 100644
--- a/manager/src/main/java/org/lsposed/lspatch/Patcher.kt
+++ b/manager/src/main/java/org/lsposed/lspatch/Patcher.kt
@@ -4,7 +4,7 @@ import org.lsposed.patch.LSPatch
 
 object Patcher {
     class Options(
-        private val apkPaths: List<String>,
+        private val apkPaths: Array<String>,
         private val outputPath: String,
         private val debuggable: Boolean,
         private val sigbypassLevel: Int,
@@ -18,7 +18,7 @@ object Patcher {
     ) {
         fun toStringArray(): Array<String> {
             return arrayListOf<String>().run {
-                add("-f");
+                add("-f")
                 addAll(apkPaths)
                 add("-o"); add(outputPath)
                 if (debuggable) add("-d")
@@ -41,4 +41,4 @@ object Patcher {
     fun patch(options: Options) {
         LSPatch(*options.toStringArray()).doCommandLine()
     }
-}
\ No newline at end of file
+}
diff --git a/manager/src/main/java/org/lsposed/lspatch/ui/component/SelectionColumn.kt b/manager/src/main/java/org/lsposed/lspatch/ui/component/SelectionColumn.kt
index 232742a..9c793be 100644
--- a/manager/src/main/java/org/lsposed/lspatch/ui/component/SelectionColumn.kt
+++ b/manager/src/main/java/org/lsposed/lspatch/ui/component/SelectionColumn.kt
@@ -19,9 +19,9 @@ object SelectionColumnScope {
 
     @Composable
     fun SelectionItem(
+        modifier: Modifier = Modifier,
         selected: Boolean,
         onClick: () -> Unit,
-        modifier: Modifier = Modifier,
         icon: ImageVector,
         title: String,
         desc: String? = null,
@@ -45,7 +45,8 @@ object SelectionColumnScope {
         ) {
             Icon(
                 imageVector = icon,
-                contentDescription = null
+                contentDescription = null,
+                modifier = Modifier.size(24.dp)
             )
             Column {
                 Text(
@@ -59,9 +60,9 @@ object SelectionColumnScope {
                         exit = fadeOut() + shrinkVertically(shrinkTowards = Alignment.Bottom)
                     ) {
                         Column {
-                            desc?.let {
+                            if (desc != null) {
                                 Text(
-                                    text = it,
+                                    text = desc,
                                     modifier = Modifier.padding(top = 8.dp),
                                     style = MaterialTheme.typography.bodyMedium
                                 )
diff --git a/manager/src/main/java/org/lsposed/lspatch/ui/component/settings/CheckBox.kt b/manager/src/main/java/org/lsposed/lspatch/ui/component/settings/CheckBox.kt
new file mode 100644
index 0000000..e0d828b
--- /dev/null
+++ b/manager/src/main/java/org/lsposed/lspatch/ui/component/settings/CheckBox.kt
@@ -0,0 +1,51 @@
+package org.lsposed.lspatch.ui.component.settings
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Api
+import androidx.compose.material3.Checkbox
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.tooling.preview.Preview
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SettingsCheckBox(
+    modifier: Modifier = Modifier,
+    checked: Boolean,
+    enabled: Boolean = true,
+    onClick: () -> Unit,
+    icon: ImageVector? = null,
+    title: String,
+    desc: String? = null,
+    extraContent: (@Composable ColumnScope.() -> Unit)? = null
+) {
+    SettingsSlot(modifier, enabled, onClick, icon, title, desc, extraContent) {
+        Checkbox(checked = checked, onCheckedChange = { onClick() })
+    }
+}
+
+@Preview
+@Composable
+private fun SettingsCheckBoxPreview() {
+    var checked1 by remember { mutableStateOf(false) }
+    var checked2 by remember { mutableStateOf(false) }
+    Column {
+        SettingsCheckBox(
+            checked = checked1,
+            onClick = { checked1 = !checked1 },
+            title = "Title",
+            desc = "Description"
+        )
+        SettingsCheckBox(
+            checked = checked2,
+            onClick = { checked2 = !checked2 },
+            icon = Icons.Outlined.Api,
+            title = "Title",
+            desc = "Description"
+        )
+    }
+}
diff --git a/manager/src/main/java/org/lsposed/lspatch/ui/component/settings/Slot.kt b/manager/src/main/java/org/lsposed/lspatch/ui/component/settings/Slot.kt
new file mode 100644
index 0000000..7b4fea1
--- /dev/null
+++ b/manager/src/main/java/org/lsposed/lspatch/ui/component/settings/Slot.kt
@@ -0,0 +1,76 @@
+package org.lsposed.lspatch.ui.component.settings
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun SettingsSlot(
+    modifier: Modifier,
+    enabled: Boolean,
+    onClick: () -> Unit,
+    icon: ImageVector? = null,
+    title: String,
+    desc: String?,
+    extraContent: (@Composable ColumnScope.() -> Unit)? = null,
+    action: (@Composable RowScope.() -> Unit)?,
+) {
+    Row(
+        modifier = modifier
+            .fillMaxWidth() then (
+                if (enabled) Modifier
+                    .alpha(1f)
+                    .clickable(onClick = onClick)
+                else Modifier.alpha(0.5f)
+                )
+            .padding(horizontal = 16.dp, vertical = 8.dp),
+        horizontalArrangement = Arrangement.spacedBy(16.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Box(
+            modifier = modifier.size(24.dp),
+            contentAlignment = Alignment.Center,
+        ) {
+            if (icon != null) {
+                Icon(
+                    imageVector = icon,
+                    contentDescription = null,
+                    modifier = Modifier.fillMaxSize()
+                )
+            }
+        }
+        Column(Modifier.weight(1f)) {
+            Text(text = title, style = MaterialTheme.typography.titleMedium)
+            Column {
+                if (desc != null) {
+                    Text(
+                        text = desc,
+                        style = MaterialTheme.typography.bodyMedium,
+                        modifier = Modifier.alpha(0.75f).padding(top = 4.dp)
+                    )
+                }
+                extraContent?.invoke(this)
+            }
+        }
+        action?.invoke(this)
+    }
+}
+
+@Composable
+fun SettingsItem(
+    modifier: Modifier = Modifier,
+    enabled: Boolean = true,
+    onClick: () -> Unit,
+    icon: ImageVector? = null,
+    title: String,
+    desc: String? = null,
+    extraContent: (@Composable ColumnScope.() -> Unit)? = null
+) = SettingsSlot(modifier, enabled, onClick, icon, title, desc, extraContent, null)
diff --git a/manager/src/main/java/org/lsposed/lspatch/ui/page/NewPatchPage.kt b/manager/src/main/java/org/lsposed/lspatch/ui/page/NewPatchPage.kt
index 25d9f2e..a3f820d 100644
--- a/manager/src/main/java/org/lsposed/lspatch/ui/page/NewPatchPage.kt
+++ b/manager/src/main/java/org/lsposed/lspatch/ui/page/NewPatchPage.kt
@@ -2,12 +2,15 @@ package org.lsposed.lspatch.ui.page
 
 import android.util.Log
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.Api
 import androidx.compose.material.icons.outlined.AutoFixHigh
+import androidx.compose.material.icons.outlined.BugReport
 import androidx.compose.material.icons.outlined.WorkOutline
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
@@ -17,76 +20,158 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewmodel.compose.viewModel
+import org.lsposed.lspatch.Patcher
 import org.lsposed.lspatch.R
 import org.lsposed.lspatch.TAG
 import org.lsposed.lspatch.ui.component.SelectionColumn
+import org.lsposed.lspatch.ui.component.settings.SettingsCheckBox
+import org.lsposed.lspatch.ui.component.settings.SettingsItem
 import org.lsposed.lspatch.ui.util.LocalNavController
 import org.lsposed.lspatch.ui.viewmodel.AppInfo
 
+class NewPatchPageViewModel : ViewModel() {
+    var patchApp by mutableStateOf<AppInfo?>(null)
+    var confirm by mutableStateOf(false)
+    var patchOptions by mutableStateOf<Patcher.Options?>(null)
+}
+
 @Composable
 fun NewPatchFab() {
-    val navController = LocalNavController.current
-    val patchApp by navController.currentBackStackEntry!!.savedStateHandle
-        .getLiveData<AppInfo>("appInfo").observeAsState()
-    if (patchApp != null) {
+    val viewModel = viewModel<NewPatchPageViewModel>()
+    if (viewModel.patchApp != null) {
         ExtendedFloatingActionButton(
             text = { Text(stringResource(R.string.patch_start)) },
             icon = { Icon(Icons.Outlined.AutoFixHigh, null) },
-            onClick = { /*TODO*/ }
+            onClick = { viewModel.confirm = true }
         )
     }
 }
 
 @Composable
 fun NewPatchPage() {
+    val viewModel = viewModel<NewPatchPageViewModel>()
     val navController = LocalNavController.current
-    val patchApp by navController.currentBackStackEntry!!.savedStateHandle
+    val appInfo by navController.currentBackStackEntry!!.savedStateHandle
         .getLiveData<AppInfo>("appInfo").observeAsState()
+    viewModel.patchApp = appInfo
 
-    Log.d(TAG, "patchApp is $patchApp")
-    if (patchApp == null) {
-        navController.navigate(PageList.SelectApps.name + "/false")
-    } else {
-        var useManager by rememberSaveable { mutableStateOf(true) }
+    Log.d(TAG, "confirm = ${viewModel.confirm}")
 
-        Column(
-            Modifier
-                .verticalScroll(rememberScrollState())
-                .padding(horizontal = 24.dp)
-                .padding(top = 24.dp)
-        ) {
-            Text(text = patchApp!!.label, style = MaterialTheme.typography.headlineSmall)
-            Text(text = patchApp!!.app.packageName, style = MaterialTheme.typography.bodyLarge)
-            Text(
-                text = stringResource(R.string.patch_mode),
-                style = MaterialTheme.typography.titleLarge,
-                modifier = Modifier
-                    .align(Alignment.CenterHorizontally)
-                    .padding(top = 24.dp, bottom = 12.dp)
-            )
-            SelectionColumn {
-                SelectionItem(
-                    selected = useManager,
-                    onClick = { useManager = true },
-                    icon = Icons.Outlined.Api,
-                    title = stringResource(R.string.patch_local),
-                    desc = stringResource(R.string.patch_local_desc)
-                )
-                SelectionItem(
-                    selected = !useManager,
-                    onClick = { useManager = false },
-                    icon = Icons.Outlined.WorkOutline,
-                    title = stringResource(R.string.patch_portable),
-                    desc = stringResource(R.string.patch_portable_desc),
-                    extraContent = {
-                        TextButton(
-                            onClick = { /* TODO */ }
-                        ) {
-                            Text(text = stringResource(R.string.patch_embed_modules), style = MaterialTheme.typography.bodyLarge)
-                        }
-                    }
-                )
-            }
-        }
+    when {
+        viewModel.patchApp == null -> navController.navigate(PageList.SelectApps.name + "/false")
+        viewModel.patchOptions == null -> PatchOptionsPage(viewModel.patchApp!!, viewModel.confirm)
+        else -> PatchingPage(viewModel.patchOptions!!)
     }
 }
+
+@Composable
+private fun PatchOptionsPage(patchApp: AppInfo, confirm: Boolean) {
+    val viewModel = viewModel<NewPatchPageViewModel>()
+    var useManager by rememberSaveable { mutableStateOf(true) }
+    var debuggable by rememberSaveable { mutableStateOf(false) }
+    var v1 by rememberSaveable { mutableStateOf(false) }
+    var v2 by rememberSaveable { mutableStateOf(true) }
+    var v3 by rememberSaveable { mutableStateOf(true) }
+    val sigBypassLevel by rememberSaveable { mutableStateOf(2) }
+    var overrideVersionCode by rememberSaveable { mutableStateOf(false) }
+
+    if (confirm) LaunchedEffect(patchApp) {
+        viewModel.patchOptions = Patcher.Options(
+            apkPaths = arrayOf(patchApp.app.sourceDir), // TODO: Split Apk
+            debuggable = debuggable,
+            sigbypassLevel = sigBypassLevel,
+            v1 = v1, v2 = v2, v3 = v3,
+            useManager = useManager,
+            overrideVersionCode = overrideVersionCode,
+            verbose = true,
+            embeddedModules = emptyList() // TODO: Embed modules
+        )
+    }
+
+    Column(
+        modifier = Modifier
+            .verticalScroll(rememberScrollState())
+            .padding(top = 24.dp)
+    ) {
+        Text(
+            text = patchApp.label,
+            style = MaterialTheme.typography.headlineSmall,
+            modifier = Modifier.padding(horizontal = 24.dp)
+        )
+        Text(
+            text = patchApp.app.packageName,
+            style = MaterialTheme.typography.bodyLarge,
+            modifier = Modifier.padding(horizontal = 24.dp)
+        )
+        Text(
+            text = stringResource(R.string.patch_mode),
+            style = MaterialTheme.typography.titleLarge,
+            modifier = Modifier
+                .align(Alignment.CenterHorizontally)
+                .padding(top = 24.dp, bottom = 12.dp)
+        )
+        SelectionColumn(Modifier.padding(horizontal = 24.dp)) {
+            SelectionItem(
+                selected = useManager,
+                onClick = { useManager = true },
+                icon = Icons.Outlined.Api,
+                title = stringResource(R.string.patch_local),
+                desc = stringResource(R.string.patch_local_desc)
+            )
+            SelectionItem(
+                selected = !useManager,
+                onClick = { useManager = false },
+                icon = Icons.Outlined.WorkOutline,
+                title = stringResource(R.string.patch_portable),
+                desc = stringResource(R.string.patch_portable_desc),
+                extraContent = {
+                    TextButton(
+                        onClick = { /* TODO */ }
+                    ) {
+                        Text(text = stringResource(R.string.patch_embed_modules), style = MaterialTheme.typography.bodyLarge)
+                    }
+                }
+            )
+        }
+        SettingsCheckBox(
+            checked = debuggable,
+            onClick = { debuggable = !debuggable },
+            icon = Icons.Outlined.BugReport,
+            title = stringResource(R.string.patch_debuggable)
+        )
+        SettingsCheckBox(
+            checked = v1,
+            onClick = { v1 = !v1 },
+            title = stringResource(R.string.patch_v1)
+        )
+        SettingsCheckBox(
+            checked = v2,
+            onClick = { v2 = !v2 },
+            title = stringResource(R.string.patch_v2)
+        )
+        SettingsCheckBox(
+            checked = v3,
+            onClick = { v3 = !v3 },
+            title = stringResource(R.string.patch_v3)
+        )
+        SettingsItem(
+            onClick = { /*TODO*/ },
+            title = stringResource(R.string.patch_sigbypasslv),
+            desc = stringResource(R.string.patch_sigbypasslv_desc)
+        )
+        SettingsCheckBox(
+            checked = overrideVersionCode,
+            onClick = { overrideVersionCode = !overrideVersionCode },
+            title = stringResource(R.string.patch_override_version_code),
+            desc = stringResource(R.string.patch_override_version_code_desc)
+        )
+        Spacer(Modifier.height(56.dp))
+    }
+}
+
+@Composable
+private fun PatchingPage(patcherOptions: Patcher.Options) {
+
+}
diff --git a/manager/src/main/res/values/strings.xml b/manager/src/main/res/values/strings.xml
index 1c29720..8570b26 100644
--- a/manager/src/main/res/values/strings.xml
+++ b/manager/src/main/res/values/strings.xml
@@ -17,5 +17,13 @@
     <string name="patch_portable">Portable</string>
     <string name="patch_portable_desc">Patch an app with modules embedded.\nThe patched app can run without the manager, but cannot be managed dynamically.\nPortable patched apps can be used on devices that do not have LSPatch Manager installed.</string>
     <string name="patch_embed_modules">Embed modules</string>
+    <string name="patch_debuggable">Debuggable</string>
+    <string name="patch_v1">V1 signature</string>
+    <string name="patch_v2">V2 signature</string>
+    <string name="patch_v3">V3 signature</string>
+    <string name="patch_sigbypasslv">Signature bypass level</string>
+    <string name="patch_sigbypasslv_desc">lv0: off\nlv1: bypass pm\nlv2: bypass openat (libc)</string>
+    <string name="patch_override_version_code">Override version code</string>
+    <string name="patch_override_version_code_desc">Override the patched app\'s version code to 1\nThis allows downgrade installation</string>
     <string name="patch_start">Start Patch</string>
 </resources>