clean up code

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

@@ -1,17 +1,10 @@
 package com.binbin.androidowner
 
-import android.app.PendingIntent
 import android.app.admin.DevicePolicyManager
 import android.content.ComponentName
 import android.content.Context
-import android.content.Intent
-import android.content.IntentSender
-import android.content.pm.PackageInstaller
 import android.content.pm.PackageManager.NameNotFoundException
-import android.net.Uri
 import android.os.Build.VERSION
-import android.util.Log
-import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.layout.Arrangement
@@ -19,12 +12,12 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.navigationBarsPadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.Button
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.MaterialTheme.typography
 import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextField
@@ -38,9 +31,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
-import androidx.core.content.ContextCompat.startActivity
-import java.io.IOException
-import java.io.InputStream
 
 
 @Composable
@@ -52,45 +42,28 @@ fun ApplicationManage(){
     val sharedPref = LocalContext.current.getSharedPreferences("data", Context.MODE_PRIVATE)
     val isWear = sharedPref.getBoolean("isWear",false)
     Column(
-        modifier = Modifier
-            .fillMaxWidth()
-            .navigationBarsPadding()
-            .verticalScroll(rememberScrollState()),
+        modifier = Modifier.fillMaxWidth().verticalScroll(rememberScrollState()),
         horizontalAlignment = Alignment.CenterHorizontally
     ) {
         TextField(
             value = pkgName,
-            onValueChange = {
-                pkgName = it
-            },
+            onValueChange = { pkgName = it },
             label = { Text("包名") },
             enabled = isDeviceOwner(myDpm)|| isProfileOwner(myDpm),
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(horizontal = if(isWear){2.dp}else{12.dp},vertical = if(isWear){2.dp}else{6.dp})
+            modifier = Modifier.fillMaxWidth().padding(horizontal = if(isWear){2.dp}else{12.dp},vertical = if(isWear){2.dp}else{6.dp})
         )
         if(VERSION.SDK_INT>=24){
-            val isSuspended = {
-                try{
-                    myDpm.isPackageSuspended(myComponent,pkgName)
-                }catch(e:NameNotFoundException){
-                    false
-                }
-            }
-            AppManageItem(R.string.suspend,R.string.place_holder,myDpm, isSuspended,
-                {b -> myDpm.setPackagesSuspended(myComponent, arrayOf(pkgName) ,b)})
+            val isSuspended = { try{ myDpm.isPackageSuspended(myComponent,pkgName) }catch(e:NameNotFoundException){ false } }
+            AppManageItem(R.string.suspend,R.string.place_holder,myDpm, isSuspended) { b -> myDpm.setPackagesSuspended(myComponent, arrayOf(pkgName), b) }
         }
-        AppManageItem(R.string.hide,R.string.isapphidden_desc,myDpm, {myDpm.isApplicationHidden(myComponent,pkgName)},
-            {b -> myDpm.setApplicationHidden(myComponent,pkgName,b)})
+        AppManageItem(R.string.hide,R.string.isapphidden_desc,myDpm, {myDpm.isApplicationHidden(myComponent,pkgName)}, {b -> myDpm.setApplicationHidden(myComponent,pkgName,b)})
         if(VERSION.SDK_INT>=30){
             AppManageItem(R.string.user_ctrl_disabled,R.string.user_ctrl_disabled_desc,myDpm, {pkgName in myDpm.getUserControlDisabledPackages(myComponent)},
                 {b->myDpm.setUserControlDisabledPackages(myComponent, mutableListOf(if(b){pkgName}else{null}))})
         }
-        /*AppManageItem(R.string.block_unins,R.string.sometimes_not_available,myDpm, {myDpm.isUninstallBlocked(myComponent,pkgName)},
-            {b -> myDpm.setUninstallBlocked(myComponent,pkgName,b)})*/
         Row(
             horizontalArrangement = Arrangement.SpaceBetween,
-            modifier = if(isWear){sections().horizontalScroll(rememberScrollState())}else{ sections()}
+            modifier = if(isWear){sections().horizontalScroll(rememberScrollState())}else{sections()}
         ) {
             Button(onClick = {myDpm.setUninstallBlocked(myComponent,pkgName,false)}, enabled = isDeviceOwner(myDpm)|| isProfileOwner(myDpm),
                 modifier = if(isWear){Modifier}else{Modifier.fillMaxWidth(0.48F)}) {
@@ -103,7 +76,7 @@ fun ApplicationManage(){
             }
         }
         Column(modifier = sections()) {
-            Text(text = "许可的输入法", style = MaterialTheme.typography.titleLarge,color = MaterialTheme.colorScheme.onPrimaryContainer)
+            Text(text = "许可的输入法", style = typography.titleLarge,color = MaterialTheme.colorScheme.onPrimaryContainer)
             var imeList = mutableListOf<String>()
             var imeListText by remember{ mutableStateOf("") }
             val refreshList = {
@@ -113,15 +86,11 @@ fun ApplicationManage(){
                     }
                 }
                 imeListText = ""
-                for(eachIme in imeList){
-                    imeListText += "$eachIme \n"
-                    Log.e("",eachIme)
-                }
+                for(eachIme in imeList){ imeListText += "$eachIme \n" }
             }
             refreshList()
             Text(imeListText)
-            Row(modifier = if(!isWear){Modifier.fillMaxWidth()}else{Modifier.fillMaxWidth().horizontalScroll(rememberScrollState())}
-            ,horizontalArrangement = Arrangement.SpaceBetween){
+            Row(modifier = if(!isWear){Modifier.fillMaxWidth()}else{Modifier.fillMaxWidth().horizontalScroll(rememberScrollState())},horizontalArrangement = Arrangement.SpaceBetween){
             Button(
                 onClick = {
                     imeList.plus(pkgName)
@@ -133,6 +102,7 @@ fun ApplicationManage(){
             ) {
                 Text("加入列表")
             }
+            if(isWear){Spacer(Modifier.padding(horizontal = 2.dp))}
             Button(
                 onClick = {
                     imeList.remove(pkgName)
@@ -145,13 +115,7 @@ fun ApplicationManage(){
                 Text("从列表中移除")
             }}
         }
-        /*Button(
-            onClick = {
-                uninstallPkg(pkgName,myContext)
-            }) {
-            Text("卸载")
-        }*/
-        Spacer(Modifier.padding(20.dp))
+        Spacer(Modifier.padding(30.dp))
     }
 }
 
@@ -164,9 +128,7 @@ private fun AppManageItem(
     setMethod:(b:Boolean)->Unit
 ){
     var isEnabled by remember{ mutableStateOf(false) }
-    if(isDeviceOwner(myDpm)|| isProfileOwner(myDpm)){
-        isEnabled = getMethod()
-    }
+    if(isDeviceOwner(myDpm)|| isProfileOwner(myDpm)){ isEnabled = getMethod() }
     val sharedPref = LocalContext.current.getSharedPreferences("data", Context.MODE_PRIVATE)
     if(!sharedPref.getBoolean("isWear",false)){
     Row(
@@ -177,7 +139,7 @@ private fun AppManageItem(
         Column {
             Text(
                 text = stringResource(itemName),
-                style = MaterialTheme.typography.titleLarge,
+                style = typography.titleLarge,
                 color = MaterialTheme.colorScheme.onPrimaryContainer
             )
             if(itemDesc!=R.string.place_holder){
@@ -210,64 +172,8 @@ private fun AppManageItem(
                 )
             }
             if(itemDesc!=R.string.place_holder){
-                Text(text = stringResource(itemDesc),
-                    style = if(!sharedPref.getBoolean("isWear",false)){MaterialTheme.typography.bodyLarge}else{MaterialTheme.typography.bodyMedium})
+                Text(text = stringResource(itemDesc), style = if(!sharedPref.getBoolean("isWear",false)){typography.bodyLarge}else{typography.bodyMedium})
             }
         }
     }
 }
-
-fun uninstallPkg(pkgName:String,myContext:Context){
-    val packageManager = myContext.packageManager
-    try {
-        val packageInfo = packageManager.getPackageInfo(pkgName, 0)
-        val intent = Intent(Intent.ACTION_DELETE)
-        intent.setData(Uri.parse("package:" + packageInfo.packageName))
-        startActivity(myContext,intent,null)
-    } catch (e: NameNotFoundException) {
-        Toast.makeText(myContext, "应用未安装", Toast.LENGTH_SHORT).show()
-    }
-}
-
-private fun uninstallApp(context: Context, packageName: String) {
-    val packageUri = Uri.parse("package:$packageName")
-    val uninstallIntent = Intent(Intent.ACTION_DELETE, packageUri)
-    uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-    context.startActivity(uninstallIntent)
-}
-
-fun isAppInstalled(context: Context, packageName: String): Boolean {
-    return try {
-        context.packageManager.getApplicationInfo(packageName, 0)
-        true
-    } catch (e: NameNotFoundException) {
-        false
-    }
-}
-
-@Throws(IOException::class)
-fun installPackage(context: Context, inputStream: InputStream, packageName: String?): Boolean {
-    val packageInstaller = context.packageManager.packageInstaller
-    val params = PackageInstaller.SessionParams(
-        PackageInstaller.SessionParams.MODE_FULL_INSTALL
-    )
-    params.setAppPackageName(packageName)
-    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()
-    session.commit(createIntentSender(context, sessionId))
-    return true
-}
-
-private fun createIntentSender(context: Context, sessionId: Int): IntentSender {
-    val pendingIntent = PendingIntent.getBroadcast(context, sessionId, Intent(), PendingIntent.FLAG_IMMUTABLE)
-    return pendingIntent.intentSender
-}