diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index e0ee850..93b4c89 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -51,6 +51,22 @@
             android:windowSoftInputMode="adjustResize|stateHidden"
             android:theme="@style/Theme.OwnDroid">
         </activity>
+        <activity
+            android:name=".InstallAppActivity"
+            android:exported="true"
+            android:windowSoftInputMode="adjustResize|stateHidden"
+            android:excludeFromRecents="true"
+            android:launchMode="singleInstance"
+            android:theme="@style/Theme.OwnDroidAppInstaller">
+            <intent-filter>
+                <category android:name="android.intent.category.DEFAULT"/>
+                <action android:name="android.intent.action.VIEW"/>
+                <action android:name="android.intent.action.INSTALL_PACKAGE"/>
+                <data android:scheme="content"/>
+                <data android:scheme="file"/>
+                <data android:mimeType="application/vnd.android.package-archive"/>
+            </intent-filter>
+        </activity>
         <receiver
             android:name=".Receiver"
             android:description="@string/app_name"
diff --git a/app/src/main/java/com/bintianqi/owndroid/InstallAppActivity.kt b/app/src/main/java/com/bintianqi/owndroid/InstallAppActivity.kt
new file mode 100644
index 0000000..d5ef323
--- /dev/null
+++ b/app/src/main/java/com/bintianqi/owndroid/InstallAppActivity.kt
@@ -0,0 +1,60 @@
+package com.bintianqi.owndroid
+
+import android.content.Context
+import android.content.Intent
+import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
+import android.os.Bundle
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.fragment.app.FragmentActivity
+import com.bintianqi.owndroid.dpm.installPackage
+import com.bintianqi.owndroid.ui.theme.OwnDroidTheme
+
+class InstallAppActivity: FragmentActivity() {
+    override fun onNewIntent(intent: Intent?) {
+        super.onNewIntent(intent)
+        this.intent = intent
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        val sharedPref = applicationContext.getSharedPreferences("data", Context.MODE_PRIVATE)
+        window.setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT))
+        setContent {
+            OwnDroidTheme(
+                sharedPref.getBoolean("material_you", true),
+                sharedPref.getBoolean("black_theme", false)
+            ) {
+                AlertDialog(
+                    title = {
+                        Text(stringResource(R.string.install_app))
+                    },
+                    onDismissRequest = {
+                        finish()
+                    },
+                    dismissButton = {
+                        TextButton(onClick = { finish() }) { Text(stringResource(R.string.cancel)) }
+                    },
+                    confirmButton = {
+                        TextButton(
+                            onClick = {
+                                uriToStream(applicationContext, this.intent.data) { stream -> installPackage(applicationContext, stream)}
+                            }
+                        ) {
+                            Text(stringResource(R.string.confirm))
+                        }
+                    },
+                    modifier = Modifier.fillMaxWidth()
+                )
+            }
+        }
+    }
+}
diff --git a/app/src/main/java/com/bintianqi/owndroid/dpm/ApplicationManage.kt b/app/src/main/java/com/bintianqi/owndroid/dpm/ApplicationManage.kt
index 9580301..0fd0cce 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/ApplicationManage.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/ApplicationManage.kt
@@ -11,9 +11,7 @@ import android.app.admin.PackagePolicy.PACKAGE_POLICY_ALLOWLIST
 import android.app.admin.PackagePolicy.PACKAGE_POLICY_ALLOWLIST_AND_SYSTEM
 import android.app.admin.PackagePolicy.PACKAGE_POLICY_BLOCKLIST
 import android.content.ComponentName
-import android.content.Context
 import android.content.Intent
-import android.content.pm.PackageInstaller
 import android.content.pm.PackageManager.NameNotFoundException
 import android.net.Uri
 import android.os.Build.VERSION
@@ -23,16 +21,45 @@ import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.animateContentSize
-import androidx.compose.foundation.*
-import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.horizontalScroll
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
 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
-import androidx.compose.material3.*
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme.colorScheme
 import androidx.compose.material3.MaterialTheme.typography
-import androidx.compose.runtime.*
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Switch
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TextField
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.MutableIntState
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
@@ -51,11 +78,19 @@ import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.navigation.compose.rememberNavController
-import com.bintianqi.owndroid.*
+import com.bintianqi.owndroid.PackageInstallerReceiver
 import com.bintianqi.owndroid.R
-import com.bintianqi.owndroid.ui.*
-import java.io.IOException
-import java.io.InputStream
+import com.bintianqi.owndroid.Receiver
+import com.bintianqi.owndroid.fileUriFlow
+import com.bintianqi.owndroid.getFile
+import com.bintianqi.owndroid.toText
+import com.bintianqi.owndroid.ui.Animations
+import com.bintianqi.owndroid.ui.Information
+import com.bintianqi.owndroid.ui.RadioButtonItem
+import com.bintianqi.owndroid.ui.SubPageItem
+import com.bintianqi.owndroid.ui.SwitchItem
+import com.bintianqi.owndroid.ui.TopBar
+import com.bintianqi.owndroid.uriToStream
 import java.util.concurrent.Executors
 
 private var dialogConfirmButtonAction = {}
@@ -1104,21 +1139,3 @@ private fun AppControlDialog(status: MutableIntState) {
         }
     }
 }
-
-@Throws(IOException::class)
-private fun installPackage(context: Context, inputStream: InputStream) { 
-    val packageInstaller = context.packageManager.packageInstaller
-    val params = PackageInstaller.SessionParams(PackageInstaller.SessionParams.MODE_FULL_INSTALL)
-    val sessionId = packageInstaller.createSession(params)
-    val session = packageInstaller.openSession(sessionId)
-    val out = session.openWrite("COSU", 0, -1)
-    val buffer = ByteArray(65536)
-    var c: Int
-    while(inputStream.read(buffer).also{c = it}!=-1) { out.write(buffer, 0, c) }
-    session.fsync(out)
-    inputStream.close()
-    out.close()
-    val intent = Intent(context, PackageInstallerReceiver::class.java)
-    val pendingIntent = PendingIntent.getBroadcast(context, sessionId, intent, PendingIntent.FLAG_IMMUTABLE).intentSender
-    session.commit(pendingIntent)
-}
diff --git a/app/src/main/java/com/bintianqi/owndroid/dpm/DPM.kt b/app/src/main/java/com/bintianqi/owndroid/dpm/DPM.kt
index efb5151..652ddd6 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/DPM.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/DPM.kt
@@ -1,11 +1,17 @@
 package com.bintianqi.owndroid.dpm
 
+import android.app.PendingIntent
 import android.app.admin.DevicePolicyManager
 import android.content.ComponentName
+import android.content.Context
 import android.content.Intent
+import android.content.pm.PackageInstaller
 import android.os.Build.VERSION
 import androidx.activity.result.ActivityResultLauncher
+import com.bintianqi.owndroid.PackageInstallerReceiver
 import kotlinx.coroutines.flow.MutableStateFlow
+import java.io.IOException
+import java.io.InputStream
 
 var selectedPermission = MutableStateFlow("")
 lateinit var createManagedProfile: ActivityResultLauncher<Intent>
@@ -22,3 +28,21 @@ fun isProfileOwner(dpm: DevicePolicyManager): Boolean {
 fun DevicePolicyManager.isOrgProfile(receiver: ComponentName):Boolean {
     return VERSION.SDK_INT >= 30 && isProfileOwner(this) && isManagedProfile(receiver) && isOrganizationOwnedDeviceWithManagedProfile
 }
+
+@Throws(IOException::class)
+fun installPackage(context: Context, inputStream: InputStream) {
+    val packageInstaller = context.packageManager.packageInstaller
+    val params = PackageInstaller.SessionParams(PackageInstaller.SessionParams.MODE_FULL_INSTALL)
+    val sessionId = packageInstaller.createSession(params)
+    val session = packageInstaller.openSession(sessionId)
+    val out = session.openWrite("COSU", 0, -1)
+    val buffer = ByteArray(65536)
+    var c: Int
+    while(inputStream.read(buffer).also{c = it}!=-1) { out.write(buffer, 0, c) }
+    session.fsync(out)
+    inputStream.close()
+    out.close()
+    val intent = Intent(context, PackageInstallerReceiver::class.java)
+    val pendingIntent = PendingIntent.getBroadcast(context, sessionId, intent, PendingIntent.FLAG_IMMUTABLE).intentSender
+    session.commit(pendingIntent)
+}
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 55bb275..83f2a43 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -4,4 +4,11 @@
         <item name="android:navigationBarColor">#FFFFFF</item>
         <item name="android:statusBarColor">#FFFFFF</item>
     </style>
+    <style name="Theme.OwnDroidAppInstaller" parent="android:Theme.Material.Light.NoActionBar">
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:colorBackgroundCacheHint">@null</item>
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:windowTranslucentStatus">true</item>
+        <item name="android:windowTranslucentNavigation">true</item>
+    </style>
 </resources>