edit proguard rules, keep IDevicePolicyManager

support getting device admin permission from Dhizuku

app/src/main/java/android/app/admin/IDevicePolicyManager.java

@@ -4,7 +4,11 @@ import android.os.Binder;
 import android.os.IBinder;
 import android.os.IInterface;
 
+import androidx.annotation.Keep;
+
+@Keep
 public interface IDevicePolicyManager extends IInterface {
+    @Keep
     abstract class Stub extends Binder implements IDevicePolicyManager {
         public static IDevicePolicyManager asInterface(IBinder obj) {
             throw new UnsupportedOperationException();

app/src/main/java/com/bintianqi/owndroid/MainActivity.kt

@@ -62,6 +62,7 @@ import com.bintianqi.owndroid.dpm.UserRestriction
 import com.bintianqi.owndroid.dpm.dhizukuErrorStatus
 import com.bintianqi.owndroid.dpm.getDPM
 import com.bintianqi.owndroid.dpm.getReceiver
+import com.bintianqi.owndroid.dpm.isDeviceAdmin
 import com.bintianqi.owndroid.dpm.isDeviceOwner
 import com.bintianqi.owndroid.dpm.isProfileOwner
 import com.bintianqi.owndroid.ui.Animations
@@ -183,7 +184,7 @@ private fun HomePage(navCtrl:NavHostController, pkgName: MutableState<String>) {
             else if(context.isProfileOwner) {
                 if(VERSION.SDK_INT >= 24 && dpm.isManagedProfile(receiver)) R.string.work_profile_owner else R.string.profile_owner
             }
-            else if(dpm.isAdminActive(receiver)) R.string.device_admin else R.string.click_to_activate
+            else if(context.isDeviceAdmin) R.string.device_admin else R.string.click_to_activate
         )
     LaunchedEffect(Unit) { pkgName.value = "" }
     Column(modifier = Modifier.background(colorScheme.background).statusBarsPadding().verticalScroll(rememberScrollState())) {
@@ -205,14 +206,14 @@ private fun HomePage(navCtrl:NavHostController, pkgName: MutableState<String>) {
         ) {
             Spacer(modifier = Modifier.padding(start = 22.dp))
             Icon(
-                painter = painterResource(if(dpm.isAdminActive(receiver)) R.drawable.check_circle_fill1 else R.drawable.block_fill0),
+                painter = painterResource(if(context.isDeviceAdmin) R.drawable.check_circle_fill1 else R.drawable.block_fill0),
                 contentDescription = null,
                 tint = colorScheme.onPrimary
             )
             Spacer(modifier = Modifier.padding(start = 10.dp))
             Column {
                 Text(
-                    text = stringResource(if(dpm.isAdminActive(receiver)) R.string.activated else R.string.deactivated),
+                    text = stringResource(if(context.isDeviceAdmin) R.string.activated else R.string.deactivated),
                     style = typography.headlineSmall,
                     color = colorScheme.onPrimary,
                     modifier = Modifier.padding(bottom = 2.dp)

app/src/main/java/com/bintianqi/owndroid/Receiver.kt

@@ -4,7 +4,6 @@ import android.annotation.SuppressLint
 import android.app.NotificationManager
 import android.app.admin.DeviceAdminReceiver
 import android.content.BroadcastReceiver
-import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageInstaller.EXTRA_STATUS
@@ -23,6 +22,7 @@ import android.widget.Toast
 import androidx.activity.ComponentActivity
 import com.bintianqi.owndroid.dpm.getDPM
 import com.bintianqi.owndroid.dpm.getReceiver
+import com.bintianqi.owndroid.dpm.isDeviceAdmin
 import com.bintianqi.owndroid.dpm.isDeviceOwner
 import com.bintianqi.owndroid.dpm.isProfileOwner
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -30,9 +30,7 @@ import kotlinx.coroutines.flow.MutableStateFlow
 class Receiver : DeviceAdminReceiver() {
     override fun onEnabled(context: Context, intent: Intent) {
         super.onEnabled(context, intent)
-        val dpm = context.getDPM()
+        if(context.isDeviceAdmin || context.isProfileOwner || context.isDeviceOwner){
-        val receiver = ComponentName(context, this::class.java)
-        if(dpm.isAdminActive(receiver) || context.isProfileOwner || context.isDeviceOwner){
             Toast.makeText(context, context.getString(R.string.onEnabled), Toast.LENGTH_SHORT).show()
         }
     }

app/src/main/java/com/bintianqi/owndroid/dpm/DPM.kt

@@ -45,6 +45,11 @@ val Context.isProfileOwner: Boolean
         return dpm.isProfileOwnerApp("com.bintianqi.owndroid")
     }
 
+val Context.isDeviceAdmin: Boolean
+    get() {
+        return getDPM().isAdminActive(getReceiver())
+    }
+
 val Context.dpcPackageName: String
     get() {
         val sharedPref = getSharedPreferences("data", Context.MODE_PRIVATE)

app/src/main/java/com/bintianqi/owndroid/dpm/Password.kt

@@ -139,13 +139,13 @@ private fun Home(navCtrl:NavHostController,scrollState: ScrollState) {
         if(VERSION.SDK_INT >= 26 && (context.isDeviceOwner || context.isProfileOwner)) {
             SubPageItem(R.string.reset_password_token, "", R.drawable.key_vertical_fill0) { navCtrl.navigate("ResetPasswordToken") }
         }
-        if(dpm.isAdminActive(receiver) || context.isDeviceOwner || context.isProfileOwner) {
+        if(context.isDeviceAdmin || context.isDeviceOwner || context.isProfileOwner) {
             SubPageItem(R.string.reset_password, "", R.drawable.lock_reset_fill0) { navCtrl.navigate("ResetPassword") }
         }
         if(VERSION.SDK_INT >= 31 && (context.isDeviceOwner || context.isProfileOwner)) {
             SubPageItem(R.string.required_password_complexity, "", R.drawable.password_fill0) { navCtrl.navigate("RequirePasswordComplexity") }
         }
-        if(dpm.isAdminActive(receiver)) {
+        if(context.isDeviceAdmin) {
             SubPageItem(R.string.disable_keyguard_features, "", R.drawable.screen_lock_portrait_fill0) { navCtrl.navigate("DisableKeyguardFeatures") }
         }
         if(context.isDeviceOwner) {
@@ -153,7 +153,7 @@ private fun Home(navCtrl:NavHostController,scrollState: ScrollState) {
             SubPageItem(R.string.pwd_expiration_timeout, "", R.drawable.lock_clock_fill0) { navCtrl.navigate("PasswordTimeout") }
             SubPageItem(R.string.max_pwd_fail, "", R.drawable.no_encryption_fill0) { navCtrl.navigate("MaxPasswordFail") }
         }
-        if(dpm.isAdminActive(receiver)){
+        if(context.isDeviceAdmin){
             SubPageItem(R.string.pwd_history, "", R.drawable.history_fill0) { navCtrl.navigate("PasswordHistoryLength") }
         }
         if(VERSION.SDK_INT >= 26 && (context.isDeviceOwner || context.isProfileOwner)) {
@@ -188,7 +188,7 @@ private fun PasswordInfo() {
         if(context.isDeviceOwner || context.isProfileOwner) {
             Text(stringResource(R.string.is_password_sufficient, dpm.isActivePasswordSufficient))
         }
-        if(dpm.isAdminActive(receiver)) {
+        if(context.isDeviceAdmin) {
             val pwdFailedAttempts = dpm.currentFailedPasswordAttempts
             Text(text = stringResource(R.string.password_failed_attempts_is, pwdFailedAttempts))
         }

app/src/main/java/com/bintianqi/owndroid/dpm/Permissions.kt

@@ -36,6 +36,7 @@ import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.navigation.compose.rememberNavController
 import com.bintianqi.owndroid.R
+import com.bintianqi.owndroid.Receiver
 import com.bintianqi.owndroid.backToHomeStateFlow
 import com.bintianqi.owndroid.ui.*
 import com.rosan.dhizuku.api.Dhizuku
@@ -109,7 +110,7 @@ private fun Home(localNavCtrl:NavHostController,listScrollState:ScrollState) {
             )
         }
         SubPageItem(
-            R.string.device_admin, stringResource(if(dpm.isAdminActive(receiver)) R.string.activated else R.string.deactivated),
+            R.string.device_admin, stringResource(if(context.isDeviceAdmin) R.string.activated else R.string.deactivated),
             operation = { localNavCtrl.navigate("DeviceAdmin") }
         )
         if(!context.isDeviceOwner) {
@@ -139,7 +140,7 @@ private fun Home(localNavCtrl:NavHostController,listScrollState:ScrollState) {
         if(VERSION.SDK_INT >= 24 && (context.isDeviceOwner || dpm.isOrgProfile(receiver))) {
             SubPageItem(R.string.device_owner_lock_screen_info, "", R.drawable.screen_lock_portrait_fill0) { localNavCtrl.navigate("LockScreenInfo") }
         }
-        if(VERSION.SDK_INT >= 24 && dpm.isAdminActive(receiver)) {
+        if(VERSION.SDK_INT >= 24 && context.isDeviceAdmin) {
             SubPageItem(R.string.support_msg, "", R.drawable.chat_fill0) { localNavCtrl.navigate("SupportMsg") }
         }
         if(VERSION.SDK_INT >= 28 && (context.isDeviceOwner || context.isProfileOwner)) {
@@ -222,12 +223,12 @@ private fun DeviceAdmin() {
     val context = LocalContext.current
     val dpm = context.getDPM()
     val receiver = context.getReceiver()
-    var showDeactivateButton by remember { mutableStateOf(dpm.isAdminActive(receiver)) }
+    var showDeactivateButton by remember { mutableStateOf(context.isDeviceAdmin) }
     var deactivateDialog by remember { mutableStateOf(false) }
     Column(modifier = Modifier.fillMaxSize().verticalScroll(rememberScrollState()).padding(horizontal = 8.dp)) {
         Spacer(Modifier.padding(vertical = 10.dp))
         Text(text = stringResource(R.string.device_admin), style = typography.headlineLarge)
-        Text(text = stringResource(if(dpm.isAdminActive(receiver)) R.string.activated else R.string.deactivated), style = typography.titleLarge)
+        Text(text = stringResource(if(context.isDeviceAdmin) R.string.activated else R.string.deactivated), style = typography.titleLarge)
         Spacer(Modifier.padding(vertical = 5.dp))
         AnimatedVisibility(showDeactivateButton) {
             Button(
@@ -270,8 +271,8 @@ private fun DeviceAdmin() {
                         co.launch{
                             delay(300)
                             deactivateDialog = false
-                            showDeactivateButton = dpm.isAdminActive(receiver)
+                            showDeactivateButton = context.isDeviceAdmin
-                            backToHomeStateFlow.value = !dpm.isAdminActive(receiver)
+                            backToHomeStateFlow.value = !context.isDeviceAdmin
                         }
                     }
                 ) {

app/src/main/java/com/bintianqi/owndroid/dpm/ShizukuActivate.kt

@@ -50,7 +50,7 @@ fun ShizukuActivate() {
     var enabled by remember { mutableStateOf(false) }
     var bindShizuku by remember { mutableStateOf(false) }
     var outputText by remember { mutableStateOf("") }
-    var showDeviceAdminButton by remember { mutableStateOf(!dpm.isAdminActive(receiver)) }
+    var showDeviceAdminButton by remember { mutableStateOf(!context.isDeviceAdmin) }
     var showProfileOwnerButton by remember { mutableStateOf(!context.isProfileOwner) }
     var showDeviceOwnerButton by remember { mutableStateOf(!context.isDeviceOwner) }
     var showOrgProfileOwnerButton by remember { mutableStateOf(true) }
@@ -124,7 +124,7 @@ fun ShizukuActivate() {
                         outputText = service!!.execute(context.getString(R.string.dpm_activate_da_command))
                         outputTextScrollState.animateScrollTo(0)
                         delay(500)
-                        showDeviceAdminButton = !dpm.isAdminActive(receiver)
+                        showDeviceAdminButton = !context.isDeviceAdmin
                     }
                 },
                 enabled = enabled

app/src/main/java/com/bintianqi/owndroid/dpm/SystemManager.kt

@@ -224,7 +224,7 @@ private fun Home(navCtrl: NavHostController, scrollState: ScrollState, rebootDia
         if(VERSION.SDK_INT >= 30 && (context.isDeviceOwner || dpm.isOrgProfile(receiver))) {
             SubPageItem(R.string.frp_policy, "", R.drawable.device_reset_fill0) { navCtrl.navigate("FRP") }
         }
-        if(dangerousFeatures && dpm.isAdminActive(receiver) && !(VERSION.SDK_INT >= 24 && context.isProfileOwner && dpm.isManagedProfile(receiver))) {
+        if(dangerousFeatures && context.isDeviceAdmin && !(VERSION.SDK_INT >= 24 && context.isProfileOwner && dpm.isManagedProfile(receiver))) {
             SubPageItem(R.string.wipe_data, "", R.drawable.device_reset_fill0) { navCtrl.navigate("WipeData") }
         }
         Spacer(Modifier.padding(vertical = 30.dp))
@@ -337,7 +337,7 @@ private fun Keyguard() {
         var flag by remember { mutableIntStateOf(0) }
         Button(
             onClick = { dpm.lockNow() },
-            enabled = dpm.isAdminActive(receiver),
+            enabled = context.isDeviceAdmin,
             modifier = Modifier.fillMaxWidth()
         ) {
             Text(stringResource(R.string.lock_now))