optimize shizuku coroutine

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

@@ -36,6 +36,9 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.unit.dp
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import org.apache.commons.io.IOUtils
 import rikka.shizuku.Shizuku
 import java.io.*
@@ -50,9 +53,10 @@ fun ShizukuActivate(){
     val isWear = sharedPref.getBoolean("isWear",false)
     val bodyTextStyle = if(isWear){ typography.bodyMedium }else{ typography.bodyLarge }
     val filesDir = myContext.filesDir
-    var launchExtractRish by remember{mutableStateOf(true)}
-    LaunchedEffect(launchExtractRish){ if(launchExtractRish){ extractRish(myContext);launchExtractRish=false } }
+    LaunchedEffect(Unit){ extractRish(myContext) }
+    val coScope = rememberCoroutineScope()
     val scrollState = rememberScrollState()
+    val outputTextScrollState = rememberScrollState()
     Column(modifier = Modifier.verticalScroll(scrollState)){
         var outputText by remember{mutableStateOf("")}
         if(Binder.getCallingUid()/100000!=0){
@@ -82,40 +86,40 @@ fun ShizukuActivate(){
                 Text(text = stringResource(R.string.activate), style = typography.titleLarge, color = colorScheme.onPrimaryContainer)
                 
                 if(!myDpm.isAdminActive(myComponent)){
-                    var launchActivateDA by remember{mutableStateOf(false)}
-                    LaunchedEffect(launchActivateDA){
-                        if(launchActivateDA){
-                            outputText = executeCommand("sh rish.sh", "dpm set-active-admin com.binbin.androidowner/com.binbin.androidowner.MyDeviceAdminReceiver", null, filesDir)
+                    Button(
+                        onClick = {
+                            coScope.launch{
+                                outputText = executeCommand(myContext, "sh rish.sh", myContext.getString(R.string.dpm_activate_da_command), null, filesDir)
                                 scrollState.animateScrollTo(scrollState.maxValue, scrollAnim())
-                            launchActivateDA=false
+                                outputTextScrollState.animateScrollTo(0, scrollAnim())
                             }
-                    }
-                    Button(onClick = {launchActivateDA=true}, modifier = Modifier.fillMaxWidth()) {
+                        },
+                        modifier = Modifier.fillMaxWidth()) {
                         Text(text = "Device admin")
                     }
                 }
                 
-                var launchActivatePO by remember{mutableStateOf(false)}
-                LaunchedEffect(launchActivatePO){
-                    if(launchActivatePO){
-                        outputText = executeCommand("sh rish.sh", "dpm set-profile-owner com.binbin.androidowner/com.binbin.androidowner.MyDeviceAdminReceiver", null, filesDir)
+                Button(
+                    onClick = {
+                        coScope.launch{
+                            outputText = executeCommand(myContext, "sh rish.sh", myContext.getString(R.string.dpm_activate_po_command), null, filesDir)
                             scrollState.animateScrollTo(scrollState.maxValue, scrollAnim())
-                        launchActivatePO=false
+                            outputTextScrollState.animateScrollTo(0, scrollAnim())
                         }
-                }
-                Button(onClick = {launchActivatePO=true}, modifier = Modifier.fillMaxWidth()) {
+                    },
+                    modifier = Modifier.fillMaxWidth()) {
                     Text(text = "Profile owner")
                 }
                 
-                var launchActivateDO by remember{mutableStateOf(false)}
-                LaunchedEffect(launchActivateDO){
-                    if(launchActivateDO){
-                        outputText = executeCommand("sh rish.sh", "dpm set-device-owner com.binbin.androidowner/com.binbin.androidowner.MyDeviceAdminReceiver", null, filesDir)
+                Button(
+                    onClick = {
+                        coScope.launch{
+                            outputText = executeCommand(myContext, "sh rish.sh", myContext.getString(R.string.dpm_activate_do_command), null, filesDir)
                             scrollState.animateScrollTo(scrollState.maxValue, scrollAnim())
-                        launchActivateDO=false
+                            outputTextScrollState.animateScrollTo(0, scrollAnim())
                         }
-                }
-                Button(onClick = {launchActivateDO=true}, modifier = Modifier.fillMaxWidth()) {
+                    },
+                    modifier = Modifier.fillMaxWidth()) {
                     Text(text = "Device owner")
                 }
                 
@@ -134,25 +138,20 @@ fun ShizukuActivate(){
                     keyboardActions = KeyboardActions(onDone = {focusMgr.clearFocus()}),
                     modifier = Modifier.focusable().fillMaxWidth().padding(vertical = 2.dp)
                 )
-                var launchActivateOrgProfile by remember{mutableStateOf(false)}
-                LaunchedEffect(launchActivateOrgProfile){
-                    if(launchActivateOrgProfile){
+                Button(
+                    onClick = {
+                        coScope.launch{
                             focusMgr.clearFocus()
                             outputText = executeCommand(
-                            "sh rish.sh",
-                            "dpm mark-profile-owner-on-organization-owned-device --user $inputUserID com.binbin.androidowner/com.binbin.androidowner.MyDeviceAdminReceiver",
+                                myContext, "sh rish.sh", myContext.getString(R.string.activate_org_profile_command_with_user_id, inputUserID),
                                 null, filesDir
                             )
                             scrollState.animateScrollTo(scrollState.maxValue, scrollAnim())
-                        launchActivateOrgProfile=false
-                    }
-                }
-                Button(
-                    onClick = {
-                        launchActivateOrgProfile=true
+                            outputTextScrollState.animateScrollTo(0, scrollAnim())
                             if(myDpm.isOrganizationOwnedDeviceWithManagedProfile){
                                 Toast.makeText(myContext, myContext.getString(R.string.success),Toast.LENGTH_SHORT).show()
                             }
+                        }
                     },
                     modifier = Modifier.fillMaxWidth()
                 ) {
@@ -161,36 +160,35 @@ fun ShizukuActivate(){
             }
         }
         
-        var launchListOwners by remember{mutableStateOf(false)}
-        LaunchedEffect(launchListOwners){
-            if(launchListOwners){
-                outputText=executeCommand("sh rish.sh","dpm list-owners",null,filesDir)
-                scrollState.animateScrollTo(scrollState.maxValue, scrollAnim())
-                launchListOwners=false
-            }
-        }
+        
         Button(
-            onClick = {launchListOwners=true}, modifier = Modifier.fillMaxWidth().padding(horizontal = 8.dp)
+            onClick = {
+                coScope.launch{
+                    outputText=executeCommand(myContext, "sh rish.sh","dpm list-owners",null,filesDir)
+                    scrollState.animateScrollTo(scrollState.maxValue, scrollAnim())
+                    outputTextScrollState.animateScrollTo(0, scrollAnim())
+                }
+            },
+            modifier = Modifier.fillMaxWidth().padding(horizontal = 8.dp)
         ) {
             Text(text = stringResource(R.string.list_owners))
         }
         
-        var launchTest by remember{mutableStateOf(false)}
-        LaunchedEffect(launchTest){
-            if(launchTest){
+        Button(
+            onClick = {
+                coScope.launch {
                     outputText= myContext.getString(R.string.should_contain_2000_or_0)
                     scrollState.animateScrollTo(scrollState.maxValue, scrollAnim())
-                outputText+=executeCommand("sh rish.sh","id",null,filesDir)
-                launchTest=false
+                    outputTextScrollState.animateScrollTo(0, scrollAnim())
+                    outputText+=executeCommand(myContext, "sh rish.sh","id",null,filesDir)
                 }
-        }
-        Button(
-            onClick = {launchTest=true}, modifier = Modifier.align(Alignment.CenterHorizontally)
+            },
+            modifier = Modifier.align(Alignment.CenterHorizontally)
         ) {
             Text(text = stringResource(R.string.test_rish))
         }
         
-        SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState())){
+        SelectionContainer(modifier = Modifier.horizontalScroll(outputTextScrollState)){
             Text(text = outputText, style = bodyTextStyle, softWrap = false, modifier = Modifier.padding(4.dp))
         }
         
@@ -227,25 +225,25 @@ private fun checkPermission(myContext: Context):String {
         try{
             if(Shizuku.checkSelfPermission()==PackageManager.PERMISSION_GRANTED) {
                 val permission = when(Shizuku.getUid()){ 0->"Root"; 2000->"Shell"; else->myContext.getString(R.string.unknown) }
-                myContext.getString(R.string.shizuku_permission_granted, Shizuku.getVersion(), permission)
+                myContext.getString(R.string.shizuku_permission_granted, Shizuku.getVersion().toString(), permission)
             }else if(Shizuku.shouldShowRequestPermissionRationale()){ myContext.getString(R.string.denied) }
             else{ Shizuku.requestPermission(0); myContext.getString(R.string.request_permission) }
         }catch(e: Throwable){ myContext.getString(R.string.shizuku_not_started) }
     }
 }
 
-fun executeCommand(command: String, subCommand:String, env: Array<String>?, dir:File?): String {
+suspend fun executeCommand(myContext: Context, command: String, subCommand:String, env: Array<String>?, dir:File?): String {
     var result = ""
     val tunnel:ByteArrayInputStream
     val process:Process
     val outputStream:OutputStream
     try {
         tunnel = ByteArrayInputStream(subCommand.toByteArray())
-        process = Runtime.getRuntime().exec(command,env,dir)
+        process = withContext(Dispatchers.IO){Runtime.getRuntime().exec(command, env, dir)}
         outputStream = process.outputStream
         IOUtils.copy(tunnel,outputStream)
-        outputStream.close()
-        val exitCode = process.waitFor()
+        withContext(Dispatchers.IO){ outputStream.close() }
+        val exitCode = withContext(Dispatchers.IO){ process.waitFor() }
         if(exitCode!=0){ result+="Error: $exitCode" }
     }catch(e:Exception){
         e.printStackTrace()
@@ -254,12 +252,13 @@ fun executeCommand(command: String, subCommand:String, env: Array<String>?, dir:
     try {
         val outputReader = BufferedReader(InputStreamReader(process.inputStream))
         var outputLine: String
-        while(outputReader.readLine().also {outputLine = it}!=null) { result+="$outputLine\n" }
+        while(withContext(Dispatchers.IO){ outputReader.readLine() }.also {outputLine = it}!=null) { result+="$outputLine\n" }
         val errorReader = BufferedReader(InputStreamReader(process.errorStream))
         var errorLine: String
-        while(errorReader.readLine().also {errorLine = it}!=null) { result+="$errorLine\n" }
+        while(withContext(Dispatchers.IO){ errorReader.readLine() }.also {errorLine = it}!=null) { result+="$errorLine\n" }
     } catch(e: NullPointerException) {
         e.printStackTrace()
     }
+    if(result==""){ return myContext.getString(R.string.try_again) }
     return result
 }

app/src/main/res/values/strings.xml

@@ -39,6 +39,7 @@
     <string name="unsupported">不支持</string>
     <string name="developing">功能开发中</string>
     <string name="place_holder" />
+    <string name="try_again">请再试一次</string>
 
     <!--Permissions-->
     <string name="activate_device_admin">激活Device admin</string>
@@ -85,9 +86,15 @@
     <string name="should_contain_2000_or_0">下面应该出现一行包含“2000”或“0”的文本\n</string>
     <string name="test_rish">测试rish</string>
     <string name="please_update_shizuku">请更新Shizuku</string>
-    <string name="shizuku_permission_granted">Shizuku v%1$i\n已授权（%2$s）</string>
+    <string name="shizuku_permission_granted">Shizuku v%1$s\n已授权（%2$s）</string>
     <string name="request_permission">请求授权</string>
     <string name="shizuku_not_started">服务未启动</string>
+    <string name="activate_org_profile_command_with_user_id" tools:ignore="TypographyDashes">
+        dpm mark-profile-owner-on-organization-owned-device --user %1$s com.binbin.androidowner/com.binbin.androidowner.MyDeviceAdminReceiver
+    </string>
+    <string name="dpm_activate_do_command">dpm set-device-owner com.binbin.androidowner/com.binbin.androidowner.MyDeviceAdminReceiver</string>
+    <string name="dpm_activate_po_command">dpm set-profile-owner com.binbin.androidowner/com.binbin.androidowner.MyDeviceAdminReceiver</string>
+    <string name="dpm_activate_da_command">dpm set-active-admin com.binbin.androidowner/com.binbin.androidowner.MyDeviceAdminReceiver</string>
 
     <!--System-->
     <string name="device_ctrl">系统</string>