diff --git a/Readme.md b/Readme.md
index 317aad0..5b0857c 100644
--- a/Readme.md
+++ b/Readme.md
@@ -6,9 +6,7 @@
 
 使用安卓的Device Admin和Device Owner特权，完全掌控你的设备。
 
-**从v4.2开始，重写代码，重新设计，界面会发生很大改变。**
-
-我正在为这个App取一个新的名字......
+_我正在为这个App取一个新的名字......_
 
 ### 优点
 
@@ -19,7 +17,7 @@
 
 ### 缺点
 
-功能没有谷歌官方的 [TestDPC](https://github.com/googlesamples/android-testdpc) 那么多
+功能没有谷歌官方的 [TestDPC](https://github.com/googlesamples/android-testdpc) 那么全
 
 ### 功能
 
@@ -33,14 +31,13 @@
 
 ### 正在开发的功能
 
-- 应用管理：包选择器（目前只能手动输入包名）
-- 应用管理：应用权限选择器
-- 用户管理：用户选择器（目前只能手动输入用户序列号）
+- 应用管理：应用权限选择器（现在只能手动输入权限名称）
+- 用户管理：用户选择器（现在只能手动输入用户序列号）
 - 安全日志和网络日志
 
 ### 许可证
 
-[License.md](License.md)
+[License.md](LICENSE.md)
 
 > Copyright (C)  2024  BinTianqi
 >
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index e3e90ca..0694f43 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -11,8 +11,8 @@ android {
         applicationId = "com.binbin.androidowner"
         minSdk = 21
         targetSdk = 34
-        versionCode = 21
-        versionName = "4.4"
+        versionCode = 22
+        versionName = "4.5"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -60,6 +60,7 @@ dependencies {
     implementation(platform("androidx.compose:compose-bom:2024.02.01"))
     implementation("androidx.compose.ui:ui")
     implementation("androidx.compose.ui:ui-graphics")
+    implementation("com.google.accompanist:accompanist-drawablepainter:0.35.0-alpha")
     debugImplementation("androidx.compose.ui:ui-tooling-preview")
     implementation("androidx.compose.material3:material3:1.2.0")
     implementation("androidx.navigation:navigation-compose:2.7.7")
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 1a68182..31f2c8f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -18,7 +18,7 @@
     <uses-permission android:name="android.permission.MANAGE_DEVICE_POLICY_PROFILE_INTERACTION"/>
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/>
     <uses-permission android:name="android.permission.REQUEST_DELETE_PACKAGES"/>
-    <uses-sdk tools:overrideLibrary="rikka.shizuku.provider,rikka.shizuku.api,rikka.shizuku.shared,rikka.shizuku.aidl"/>
+    <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES" tools:ignore="QueryAllPackagesPermission" />
     <application
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
diff --git a/app/src/main/java/com/binbin/androidowner/MainActivity.kt b/app/src/main/java/com/binbin/androidowner/MainActivity.kt
index a0d106e..ad78a86 100644
--- a/app/src/main/java/com/binbin/androidowner/MainActivity.kt
+++ b/app/src/main/java/com/binbin/androidowner/MainActivity.kt
@@ -107,6 +107,7 @@ fun MyScaffold(){
         composable(route = "Password", content = { Password(navCtrl)})
         composable(route = "AppSetting", content = { AppSetting(navCtrl)})
         composable(route = "Network", content = {Network(navCtrl)})
+        composable(route = "PackageSelector"){PackageSelector(navCtrl)}
     }
     LaunchedEffect(Unit){
         val profileInited = sharedPref.getBoolean("ManagedProfileActivated",false)
diff --git a/app/src/main/java/com/binbin/androidowner/PkgSelector.kt b/app/src/main/java/com/binbin/androidowner/PkgSelector.kt
new file mode 100644
index 0000000..b8cf7f2
--- /dev/null
+++ b/app/src/main/java/com/binbin/androidowner/PkgSelector.kt
@@ -0,0 +1,190 @@
+package com.binbin.androidowner
+
+import android.graphics.drawable.Drawable
+import android.widget.Toast
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.foundation.*
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.*
+import androidx.compose.material3.MaterialTheme.typography
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.navigation.NavHostController
+import com.binbin.androidowner.dpm.applySelectedPackage
+import com.binbin.androidowner.dpm.selectedPackage
+import com.binbin.androidowner.ui.NavIcon
+import com.binbin.androidowner.ui.theme.bgColor
+import com.google.accompanist.drawablepainter.rememberDrawablePainter
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+
+private data class PkgInfo(
+    val pkgName: String,
+    val label: String,
+    val icon: Drawable,
+    val type:String
+)
+
+private val pkgs = mutableListOf<PkgInfo>()
+
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalFoundationApi::class)
+@Composable
+fun PackageSelector(navCtrl:NavHostController){
+    val context = LocalContext.current
+    val pm = context.packageManager
+    val apps = pm.getInstalledApplications(0)
+    var progress by remember{mutableIntStateOf(0)}
+    var show by remember{mutableStateOf(true)}
+    var hideProgress by remember{mutableStateOf(true)}
+    var filter by remember{mutableStateOf("data")}
+    val scrollState = rememberLazyListState()
+    val co = rememberCoroutineScope()
+    val getPkgList:suspend ()->Unit = {
+        show = false
+        progress = 0
+        hideProgress = false
+        pkgs.clear()
+        for(pkg in apps){
+            val srcDir = pkg.sourceDir
+            pkgs+=PkgInfo(
+                pkg.packageName, pkg.loadLabel(pm).toString(), pkg.loadIcon(pm),
+                if(srcDir.contains("/data/")){ "data" }
+                else if(
+                    srcDir.contains("system/priv-app")||srcDir.contains("product/priv-app")||
+                    srcDir.contains("ext/priv-app")||srcDir.contains("vendor/priv-app")
+                ){"priv"}
+                else if(srcDir.contains("apex")){"apex"}
+                else{"system"}
+            )
+            progress+=1
+            delay(1)
+        }
+        show = true
+        delay(300)
+        hideProgress = true
+    }
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = {
+                    Row(
+                        horizontalArrangement = Arrangement.SpaceBetween, modifier = Modifier.fillMaxWidth().padding(bottom = 2.dp),
+                        verticalAlignment = Alignment.CenterVertically
+                    ){
+                        Text(text = stringResource(R.string.pkg_selector))
+                        Row {
+                            Icon(
+                                painter = painterResource(R.drawable.filter_alt_fill0),
+                                contentDescription = "filter",
+                                modifier = Modifier
+                                    .padding(horizontal = 6.dp)
+                                    .clip(RoundedCornerShape(50))
+                                    .combinedClickable(
+                                        onClick = {
+                                            when(filter){
+                                                "data"-> {
+                                                    filter = "system"; co.launch {scrollState.scrollToItem(0)}
+                                                    Toast.makeText(context, context.getString(R.string.show_system_app), Toast.LENGTH_SHORT).show()
+                                                }
+                                                "system"-> {
+                                                    filter = "priv"; co.launch {scrollState.scrollToItem(0)}
+                                                    Toast.makeText(context, context.getString(R.string.show_priv_app), Toast.LENGTH_SHORT).show()
+                                                }
+                                                else-> {
+                                                    filter = "data"; co.launch {scrollState.scrollToItem(0)}
+                                                    Toast.makeText(context, context.getString(R.string.show_user_app), Toast.LENGTH_SHORT).show()
+                                                }
+                                            }
+                                        },
+                                        onLongClick = {
+                                            filter = "apex"
+                                            Toast.makeText(context, context.getString(R.string.show_apex_app), Toast.LENGTH_SHORT).show()
+                                        }
+                                    )
+                                    .padding(5.dp)
+                            )
+                            Icon(
+                                painter = painterResource(R.drawable.refresh_fill0),
+                                contentDescription = "refresh",
+                                modifier = Modifier
+                                    .padding(horizontal = 6.dp)
+                                    .clip(RoundedCornerShape(50))
+                                    .clickable{
+                                        co.launch{
+                                            delay(100)
+                                            getPkgList()
+                                        }
+                                    }
+                                    .padding(5.dp)
+                            )
+                        }
+                    }
+                },
+                navigationIcon = {NavIcon{navCtrl.navigateUp()}},
+                colors = TopAppBarDefaults.topAppBarColors(containerColor = bgColor)
+            )
+        }
+    ){paddingValues->
+        LazyColumn(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            modifier = Modifier.fillMaxSize().background(bgColor).padding(top = paddingValues.calculateTopPadding()),
+            state = scrollState
+        ){
+            items(1){
+                AnimatedVisibility(!hideProgress) {
+                    LinearProgressIndicator(progress = {progress.toFloat()/apps.size}, modifier = Modifier.fillMaxWidth())
+                }
+            }
+            if(show) {
+                items(pkgs) {
+                    if(filter==it.type){
+                        PackageItem(it, navCtrl)
+                    }
+                }
+            }else{
+                items(1){
+                    Spacer(Modifier.padding(top = 5.dp))
+                    Text(text = stringResource(R.string.loading), modifier = Modifier.alpha(0.8F))
+                }
+            }
+        }
+        LaunchedEffect(Unit){
+            delay(250)
+            if(pkgs.size==0){getPkgList()}
+        }
+    }
+}
+
+@Composable
+private fun PackageItem(pkg:PkgInfo, navCtrl: NavHostController){
+    Row(
+        verticalAlignment = Alignment.CenterVertically,
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable{selectedPackage=pkg.pkgName;applySelectedPackage=true;navCtrl.navigateUp()}
+            .padding(vertical = 3.dp)
+    ){
+        Spacer(Modifier.padding(start = 15.dp))
+        Image(
+            painter = rememberDrawablePainter(pkg.icon), contentDescription = "App icon",
+            modifier = Modifier.size(50.dp)
+        )
+        Spacer(Modifier.padding(start = 15.dp))
+        Column {
+            Text(text = pkg.label, style = typography.titleLarge)
+            Text(text = pkg.pkgName, modifier = Modifier.alpha(0.8F))
+            Spacer(Modifier.padding(top = 3.dp))
+        }
+    }
+}
diff --git a/app/src/main/java/com/binbin/androidowner/dpm/ApplicationManage.kt b/app/src/main/java/com/binbin/androidowner/dpm/ApplicationManage.kt
index 9252ed9..f1ce02d 100644
--- a/app/src/main/java/com/binbin/androidowner/dpm/ApplicationManage.kt
+++ b/app/src/main/java/com/binbin/androidowner/dpm/ApplicationManage.kt
@@ -25,6 +25,7 @@ import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.animateContentSize
 import androidx.compose.foundation.*
 import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.text.KeyboardActions
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.foundation.text.selection.SelectionContainer
@@ -33,8 +34,10 @@ import androidx.compose.material3.MaterialTheme.typography
 import androidx.compose.runtime.*
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalFocusManager
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.input.KeyboardType
@@ -93,6 +96,12 @@ fun ApplicationManage(navCtrl:NavHostController){
         }
     ){ paddingValues->
         Column(modifier = Modifier.fillMaxSize().padding(top = paddingValues.calculateTopPadding())){
+            LaunchedEffect(Unit) {
+                while(true){
+                    if(applySelectedPackage){pkgName = selectedPackage; applySelectedPackage = false}
+                    delay(200)
+                }
+            }
             if(backStackEntry?.destination?.route!="InstallApp"){
                 TextField(
                     value = pkgName,
@@ -100,7 +109,15 @@ fun ApplicationManage(navCtrl:NavHostController){
                     label = { Text(stringResource(R.string.package_name)) },
                     modifier = Modifier.fillMaxWidth(),
                     keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Ascii, imeAction = ImeAction.Done),
-                    keyboardActions = KeyboardActions(onDone = {focusMgr.clearFocus()})
+                    keyboardActions = KeyboardActions(onDone = {focusMgr.clearFocus()}),
+                    trailingIcon = {
+                        Icon(painter = painterResource(R.drawable.checklist_fill0), contentDescription = null,
+                            modifier = Modifier
+                                .clip(RoundedCornerShape(50))
+                                .clickable(onClick = {navCtrl.navigate("PackageSelector")})
+                                .padding(3.dp))
+                    },
+                    singleLine = true
                 )
             }
             NavHost(
diff --git a/app/src/main/java/com/binbin/androidowner/dpm/DPM.kt b/app/src/main/java/com/binbin/androidowner/dpm/DPM.kt
index a789480..3ad10a6 100644
--- a/app/src/main/java/com/binbin/androidowner/dpm/DPM.kt
+++ b/app/src/main/java/com/binbin/androidowner/dpm/DPM.kt
@@ -5,7 +5,8 @@ import android.content.Intent
 import android.net.Uri
 import androidx.activity.result.ActivityResultLauncher
 
-
+var selectedPackage = ""
+var applySelectedPackage = false
 lateinit var getCaCert: ActivityResultLauncher<Intent>
 lateinit var createManagedProfile: ActivityResultLauncher<Intent>
 lateinit var getApk: ActivityResultLauncher<Intent>
diff --git a/app/src/main/res/drawable/checklist_fill0.xml b/app/src/main/res/drawable/checklist_fill0.xml
new file mode 100644
index 0000000..811a0e2
--- /dev/null
+++ b/app/src/main/res/drawable/checklist_fill0.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M222,760 L80,618l56,-56 85,85 170,-170 56,57 -225,226ZM222,440L80,298l56,-56 85,85 170,-170 56,57 -225,226ZM520,680v-80h360v80L520,680ZM520,360v-80h360v80L520,360Z"/>
+</vector>
diff --git a/app/src/main/res/drawable/refresh_fill0.xml b/app/src/main/res/drawable/refresh_fill0.xml
new file mode 100644
index 0000000..0703668
--- /dev/null
+++ b/app/src/main/res/drawable/refresh_fill0.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M480,800q-134,0 -227,-93t-93,-227q0,-134 93,-227t227,-93q69,0 132,28.5T720,270v-110h80v280L520,440v-80h168q-32,-56 -87.5,-88T480,240q-100,0 -170,70t-70,170q0,100 70,170t170,70q77,0 139,-44t87,-116h84q-28,106 -114,173t-196,67Z"/>
+</vector>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index e35d66b..01f53d7 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -238,6 +238,12 @@
 
     <!--AppManage-->
     <string name="app_manage">应用管理</string>
+    <string name="pkg_selector">应用选择器</string>
+    <string name="loading">加载中</string>
+    <string name="show_user_app">显示用户应用</string>
+    <string name="show_system_app">显示系统应用</string>
+    <string name="show_priv_app">显示priv-app</string>
+    <string name="show_apex_app">显示apex应用</string>
     <string name="suspend">挂起</string>
     <string name="hide">隐藏</string>
     <string name="isapphidden_desc">如果隐藏，有可能是没安装</string>