fix user operation problems

Readme.md

@@ -31,6 +31,10 @@
   - 显示与音量：禁止调整亮度、音量
   - 用户和工作资料：禁止添加/切换/移除用户，禁止添加/移除工作资料
   - 杂项：禁止自动填充服务、禁止调试
+- 用户管理
+  - 添加用户并切换至新用户
+  - 修改当前用户的名称
+  - 设置切换用户时的提示
 - 密码
   - 修改密码
   - 最大密码错误次数

app/build.gradle.kts

@@ -52,16 +52,16 @@ android {
 
 dependencies {
 
-    implementation("androidx.core:core-ktx:1.10.1")
+    implementation("androidx.core:core-ktx:1.12.0")
-    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.1")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2")
-    implementation("androidx.activity:activity-compose:1.7.0")
+    implementation("androidx.activity:activity-compose:1.8.2")
     implementation(platform("androidx.compose:compose-bom:2023.08.00"))
     implementation("androidx.compose.ui:ui")
     implementation("androidx.compose.ui:ui-graphics")
     implementation("androidx.compose.ui:ui-tooling-preview")
-    implementation("androidx.compose.material3:material3:1.1.1")
+    implementation("androidx.compose.material3:material3:1.1.2")
     implementation("androidx.navigation:navigation-compose:2.7.6")
-    implementation("com.google.accompanist:accompanist-systemuicontroller:0.33.2-alpha")
+    implementation("com.google.accompanist:accompanist-systemuicontroller:0.34.0")
     testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")

app/src/main/java/com/binbin/androidowner/MainActivity.kt

@@ -160,7 +160,7 @@ fun MyScaffold(){
             composable(route = "Permissions", content = { DpmPermissions(navCtrl)})
             composable(route = "ApplicationManage", content = { ApplicationManage()})
             composable(route = "UserRestriction", content = { UserRestriction()})
-            composable(route = "UserManage", content = { UserManage()})
+            composable(route = "UserManage", content = { UserManage(navCtrl)})
             composable(route = "Password", content = { Password()})
             composable(route = "AppSetting", content = { AppSetting(navCtrl)})
         }

app/src/main/java/com/binbin/androidowner/Receiver.kt

@@ -11,10 +11,10 @@ class MyDeviceAdminReceiver : DeviceAdminReceiver() {
         super.onEnabled(context, intent)
         Toast.makeText(context, "已启用", Toast.LENGTH_SHORT).show()
     }
-    override fun onReceive(context: Context, intent: Intent) {
+    /*override fun onReceive(context: Context, intent: Intent) {
         super.onReceive(context, intent)
         Toast.makeText(context, "已接收", Toast.LENGTH_SHORT).show()
-    }
+    }*/
     override fun onDisableRequested(context: Context, intent: Intent): CharSequence {
         Toast.makeText(context, "撤销授权", Toast.LENGTH_SHORT).show()
         return "这是取消时的提示"

app/src/main/java/com/binbin/androidowner/Test.java

@@ -1,13 +0,0 @@
-package com.binbin.androidowner;
-
-import android.content.Context;
-import android.os.UserHandle;
-import android.os.UserManager;
-import java.util.List;
-
-public class Test {
-    public static List<UserHandle> returnUsers(Context myContext){
-        UserManager userManager = (UserManager) myContext.getSystemService(Context.USER_SERVICE);
-        return userManager.getUserProfiles();
-    }
-}

app/src/main/java/com/binbin/androidowner/User.kt

@@ -9,6 +9,7 @@ import android.os.UserHandle
 import android.os.UserManager
 import android.widget.Toast
 import androidx.activity.ComponentActivity
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
@@ -17,10 +18,12 @@ import androidx.compose.foundation.layout.Spacer
 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.verticalScroll
 import androidx.compose.material3.Button
+import androidx.compose.material3.Checkbox
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextField
@@ -30,32 +33,33 @@ import androidx.compose.runtime.mutableIntStateOf
 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
+import androidx.compose.ui.draw.shadow
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalFocusManager
 import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.unit.dp
 import androidx.core.os.UserManagerCompat
+import androidx.navigation.NavHostController
 
 
 @Composable
-fun UserManage(){
+fun UserManage(navCtrl:NavHostController){
     Column(
         modifier = Modifier.verticalScroll(rememberScrollState())
     ) {
-        //val myUM = myContext.getSystemService(Context.USER_SERVICE)
         val myContext = LocalContext.current
         val myDpm = myContext.getSystemService(ComponentActivity.DEVICE_POLICY_SERVICE) as DevicePolicyManager
         val myComponent = ComponentName(myContext,MyDeviceAdminReceiver::class.java)
         val focusMgr = LocalFocusManager.current
-        val currentUser = android.os.Process.myUserHandle()
+        val userManager = myContext.getSystemService(Context.USER_SERVICE) as UserManager
-        val userList = Test.returnUsers(myContext)
         val sharedPref = LocalContext.current.getSharedPreferences("data", Context.MODE_PRIVATE)
         val isWear = sharedPref.getBoolean("isWear",false)
         Column(modifier = sections()) {
             Text(text = "用户信息", style = MaterialTheme.typography.titleLarge,color = MaterialTheme.colorScheme.onPrimaryContainer)
-            Text("用户个数：${userList.size}",style = if(isWear){MaterialTheme.typography.bodyMedium}else{MaterialTheme.typography.bodyLarge})
-            Spacer(Modifier.padding(vertical = if(isWear){2.dp}else{5.dp}))
             Text("用户已解锁：${UserManagerCompat.isUserUnlocked(myContext)}",style = if(isWear){MaterialTheme.typography.bodyMedium}else{MaterialTheme.typography.bodyLarge})
             if(VERSION.SDK_INT>=24){
                 Text("支持多用户：${UserManager.supportsMultipleUsers()}",style = if(isWear){MaterialTheme.typography.bodyMedium}else{MaterialTheme.typography.bodyLarge})
@@ -75,49 +79,162 @@ fun UserManage(){
                 Text(text = "次级用户: $affiliatedUser",style = if(isWear){MaterialTheme.typography.bodyMedium}else{MaterialTheme.typography.bodyLarge})
             }
             Spacer(Modifier.padding(vertical = if(isWear){2.dp}else{5.dp}))
-            Text("切换用户后或设备重启后会删除临时用户",style = if(isWear){MaterialTheme.typography.bodyMedium}else{MaterialTheme.typography.bodyLarge})
+            Text("当前UID：${android.os.Process.myUid()}")
+            Text("当前UserID：${getCurrentUserId()}")
+            Text("当前用户序列号：${userManager.getSerialNumberForUser(android.os.Process.myUserHandle())}")
         }
 
         Column(modifier = sections()) {
             Text(text = "用户操作", style = MaterialTheme.typography.titleLarge,color = MaterialTheme.colorScheme.onPrimaryContainer)
+            var idInput by remember{ mutableStateOf("") }
+            var userHandleById:UserHandle by remember{ mutableStateOf(android.os.Process.myUserHandle()) }
+            var useUid by remember{ mutableStateOf(false) }
+            TextField(
+                value = idInput,
+                onValueChange = {
+                    idInput=it
+                    if(useUid){
+                        if(idInput!=""&&VERSION.SDK_INT>=24){
+                            userHandleById = UserHandle.getUserHandleForUid(idInput.toInt())
+                        }
+                    }else{
+                        val userHandleBySerial = userManager.getUserForSerialNumber(idInput.toLong())
+                        userHandleById = userHandleBySerial ?: android.os.Process.myUserHandle()
+                    }
+                },
+                label = {Text(if(useUid){"UID"}else{"序列号"})},
+                enabled = isDeviceOwner(myDpm),
+                modifier = Modifier.fillMaxWidth().padding(vertical = 3.dp),
+                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number, imeAction = ImeAction.Done),
+                keyboardActions = KeyboardActions(onDone = {focusMgr.clearFocus()})
+            )
+            Row(
+                verticalAlignment = Alignment.CenterVertically,
+                modifier = Modifier
+                    .clip(RoundedCornerShape(15.dp))
+                    .clickable(enabled = VERSION.SDK_INT>=24&&isDeviceOwner(myDpm)){useUid=!useUid}
+                    .padding(end = 12.dp)
+            ){
+                Checkbox(
+                    checked = useUid,
+                    onCheckedChange = {useUid=it},
+                    enabled = VERSION.SDK_INT>=24&& isDeviceOwner(myDpm)
+                )
+                Text(text = "使用UID(不靠谱)",modifier = Modifier.padding(bottom = 2.dp))
+            }
             if(VERSION.SDK_INT>28){
-                var resultForLogout by remember{ mutableIntStateOf(-1) }
+                if(isProfileOwner(myDpm)&&myDpm.isAffiliatedUser){
-                var resultForStop by remember{ mutableIntStateOf(-1) }
+                    Button(
-                Text("登出用户需要成为次级用户的Profile Owner",style = if(isWear){MaterialTheme.typography.bodyMedium}else{MaterialTheme.typography.bodyLarge})
+                        onClick = {
-                Button(onClick = {resultForLogout = myDpm.logoutUser(myComponent)}, enabled = isProfileOwner(myDpm)) {
+                            val result = myDpm.logoutUser(myComponent)
-                    Text("登出用户")
+                            Toast.makeText(myContext, userOperationResultCode(result), Toast.LENGTH_SHORT).show()
-                }
+                        },
-                if(resultForLogout!=-1){
+                        enabled = isProfileOwner(myDpm),
-                    Text(userOperationResultCode(resultForLogout))
+                        modifier = Modifier.fillMaxWidth()
-                }
+                    ) {
-                Button(onClick = {myDpm.switchUser(myComponent,currentUser)}, enabled = isDeviceOwner(myDpm)) {
+                        Text("登出当前用户")
-                    Text("切换用户")
-                }
-                Button(onClick = {resultForStop = myDpm.stopUser(myComponent,currentUser)}, enabled = isDeviceOwner(myDpm)) {
-                    Text("停止用户")
-                }
-                if(resultForStop!=-1){
-                    Text(userOperationResultCode(resultForStop))
-                }
-                Button(onClick = {myDpm.setProfileEnabled(myComponent)}, enabled = isProfileOwner(myDpm)||isDeviceOwner(myDpm)) {
-                    Text(text = "启用资料")
                     }
                 }
                 Button(
                     onClick = {
-                    val success = myDpm.removeUser(myComponent,currentUser)
+                        focusMgr.clearFocus()
-                    if(success){
+                        val result = myDpm.startUserInBackground(myComponent,userHandleById)
+                        Toast.makeText(myContext, userOperationResultCode(result), Toast.LENGTH_SHORT).show()
+                    },
+                    enabled = isDeviceOwner(myDpm),
+                    modifier = Modifier.fillMaxWidth()
+                ){
+                    Text("在后台启动用户")
+                }
+            }
+            Button(
+                onClick = {
+                    focusMgr.clearFocus()
+                    if(myDpm.switchUser(myComponent,userHandleById)){
+                        focusMgr.clearFocus()
                         Toast.makeText(myContext, "成功", Toast.LENGTH_SHORT).show()
                     }else{
                         Toast.makeText(myContext, "失败", Toast.LENGTH_SHORT).show()
                     }
                 },
-                enabled = isDeviceOwner(myDpm)
+                enabled = isDeviceOwner(myDpm),
+                modifier = Modifier.fillMaxWidth()
+            ) {
+                Text("切换至用户")
+            }
+            Row(
+                modifier = if(isWear){
+                    Modifier
+                        .fillMaxWidth()
+                        .horizontalScroll(rememberScrollState())}else{Modifier.fillMaxWidth()},
+                horizontalArrangement = Arrangement.SpaceBetween
+            ){
+                Button(
+                    onClick = {
+                        focusMgr.clearFocus()
+                        try{
+                            if(VERSION.SDK_INT>=28){
+                                val result = myDpm.stopUser(myComponent,userHandleById)
+                                Toast.makeText(myContext, userOperationResultCode(result), Toast.LENGTH_SHORT).show()
+                            }
+                        }catch(e:IllegalArgumentException){
+                            Toast.makeText(myContext, "失败", Toast.LENGTH_SHORT).show()
+                        }
+                    },
+                    enabled = isDeviceOwner(myDpm)&&VERSION.SDK_INT>=28,
+                    modifier = Modifier.fillMaxWidth(0.48F)
+                ) {
+                    Text("停止用户")
+                }
+                Button(
+                    onClick = {
+                        focusMgr.clearFocus()
+                        if(myDpm.removeUser(myComponent,userHandleById)){
+                            Toast.makeText(myContext, "成功", Toast.LENGTH_SHORT).show()
+                            idInput=""
+                        }else{
+                            Toast.makeText(myContext, "失败", Toast.LENGTH_SHORT).show()
+                        }
+                    },
+                    enabled = isDeviceOwner(myDpm),
+                    modifier = Modifier.fillMaxWidth(0.92F)
                 ) {
                     Text("移除用户")
                 }
-            Button(onClick = { createWorkProfile(myContext)}) {
+            }
-                Text("创建工作资料")
+            if(VERSION.SDK_INT<28){
+                Text("停止用户需API28")
+            }
+        }
+
+        Column(modifier = sections()) {
+            Text(text = "工作资料", style = MaterialTheme.typography.titleLarge)
+            Row(
+                modifier = if(isWear){
+                    Modifier
+                        .fillMaxWidth()
+                        .horizontalScroll(rememberScrollState())}else{Modifier.fillMaxWidth()},
+                horizontalArrangement = Arrangement.SpaceBetween
+            ){
+                Button(
+                    onClick = { createWorkProfile(myContext)},
+                    modifier = Modifier.fillMaxWidth(0.48F)
+                ) {
+                    Text("创建")
+                }
+                Button(
+                    onClick = {
+                        try{
+                            myDpm.setProfileEnabled(myComponent)
+                        }catch(e:SecurityException){
+                            Toast.makeText(myContext, "失败", Toast.LENGTH_SHORT).show()
+                        }
+                    },
+                    enabled = isProfileOwner(myDpm)||isDeviceOwner(myDpm),
+                    modifier = Modifier.fillMaxWidth(0.95F)
+                ) {
+                    Text(text = "启用")
+                }
             }
             Text("可能无法创建工作资料",style = if(isWear){MaterialTheme.typography.bodyMedium}else{MaterialTheme.typography.bodyLarge})
         }
@@ -143,12 +260,23 @@ fun UserManage(){
                     RadioButtonItem("启用所有系统应用",{selectedFlag==DevicePolicyManager.LEAVE_ALL_SYSTEM_APPS_ENABLED},{selectedFlag=DevicePolicyManager.LEAVE_ALL_SYSTEM_APPS_ENABLED})
                 }
                 var newUserHandle: UserHandle? by remember{ mutableStateOf(null) }
-                Row(modifier = if(isWear){Modifier.horizontalScroll(rememberScrollState())}else{Modifier}) {
+                Row(
+                    modifier = if(isWear){Modifier.fillMaxWidth().horizontalScroll(rememberScrollState())}else{Modifier.fillMaxWidth()},
+                    horizontalArrangement = Arrangement.SpaceBetween
+                ) {
                     Button(
-                        onClick = {newUserHandle=myDpm.createAndManageUser(myComponent,userName,myComponent,null,selectedFlag);focusMgr.clearFocus()},
+                        onClick = {
+                            newUserHandle=myDpm.createAndManageUser(myComponent,userName,myComponent,null,selectedFlag)
+                            focusMgr.clearFocus()
+                            if(newUserHandle!=null){
+                                Toast.makeText(myContext, "成功", Toast.LENGTH_SHORT).show()
+                            }else{
+                                Toast.makeText(myContext, "失败", Toast.LENGTH_SHORT).show()
+                            }
+                        },
                         enabled = isDeviceOwner(myDpm),
                         modifier = if(!isWear){
-                            if(newUserHandle==null){Modifier.fillMaxWidth(1F)}else{Modifier.fillMaxWidth(0.48F)}
+                            if(newUserHandle==null){Modifier.fillMaxWidth(1F)}else{Modifier.fillMaxWidth(0.4F)}
                         }else{Modifier}
                     ) {
                         Text("创建")
@@ -159,17 +287,20 @@ fun UserManage(){
                             onClick = {
                                 if(myDpm.switchUser(myComponent,newUserHandle)){
                                     Toast.makeText(myContext, "成功", Toast.LENGTH_SHORT).show()
+                                    navCtrl.navigate("HomePage")
                                 } else{
                                     Toast.makeText(myContext, "失败", Toast.LENGTH_SHORT).show()
                                 }
                             },
-                            modifier = if(isWear){Modifier}else{Modifier.fillMaxWidth(0.92F)}
+                            modifier = if(isWear){Modifier}else{Modifier.fillMaxWidth(0.97F)}
                         ) {
                             Text("切换至新用户")
                         }
                     }
                 }
-
+                if(newUserHandle!=null){
+                    Text("新用户的序列号：${userManager.getSerialNumberForUser(newUserHandle)}")
+                }
             }
         }else{
             Text("创建用户需安卓7")
@@ -243,11 +374,11 @@ fun UserSessionMessage(
 
 fun userOperationResultCode(result:Int): String {
     return when(result){
-        UserManager.USER_OPERATION_SUCCESS->"USER_OPERATION_SUCCESS"
+        UserManager.USER_OPERATION_SUCCESS->"成功"
-        UserManager.USER_OPERATION_ERROR_UNKNOWN->"USER_OPERATION_ERROR_UNKNOWN"
+        UserManager.USER_OPERATION_ERROR_UNKNOWN->"未知结果（失败）"
-        UserManager.USER_OPERATION_ERROR_MANAGED_PROFILE->"USER_OPERATION_ERROR_MANAGED_PROFILE"
+        UserManager.USER_OPERATION_ERROR_MANAGED_PROFILE->"失败：受管理的资料"
-        UserManager.USER_OPERATION_ERROR_CURRENT_USER->"USER_OPERATION_ERROR_CURRENT_USER"
+        UserManager.USER_OPERATION_ERROR_CURRENT_USER->"失败：当前用户"
-        else->"Unknown"
+        else->"未知"
     }
 }
 
@@ -261,3 +392,13 @@ private fun createWorkProfile(myContext: Context) {
     intent.putExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION,"hello")
     myContext.startActivity(intent)
 }
+
+fun getCurrentUserId(): Int {
+    try {
+        val uh = UserHandle::class.java.getDeclaredMethod("myUserId")
+        uh.isAccessible = true
+        val userId = uh.invoke(null)
+        if (userId is Int) { return userId }
+    } catch (ignored: Exception) { }
+    return -1
+}

app/src/main/java/com/binbin/androidowner/UserRestrict.kt

@@ -71,7 +71,7 @@ fun UserRestriction(){
                     color = MaterialTheme.colorScheme.error)
             }
             if(isProfileOwner(myDpm)){
-                Text(text = "Profile owner无法更改部分功能",
+                Text(text = "Profile owner无法使用部分功能",
                     style = if(!isWear){typography.bodyLarge}else{typography.bodyMedium})
             }
             if(isWear){
@@ -221,7 +221,7 @@ private fun UserRestrictionItem(
                         }
                     }catch(e:SecurityException){
                         if(isProfileOwner(myDpm)){
-                            Toast.makeText(myContext, "Profile owner 无法更改", Toast.LENGTH_SHORT).show()
+                            Toast.makeText(myContext, "需要DeviceOwner", Toast.LENGTH_SHORT).show()
                         }
                     }
                     strictState = myDpm.getUserRestrictions(myComponent).getBoolean(restriction)