app installer: get basic apk info

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

@@ -8,7 +8,9 @@ import android.os.Bundle
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
 import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.Text
@@ -17,13 +19,21 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.DialogProperties
+import androidx.core.view.WindowCompat
 import androidx.fragment.app.FragmentActivity
+import androidx.lifecycle.lifecycleScope
 import com.bintianqi.owndroid.dpm.installPackage
 import com.bintianqi.owndroid.ui.theme.OwnDroidTheme
+import com.github.fishb1.apkinfo.ApkInfo
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.io.FileInputStream
 
 class InstallAppActivity: FragmentActivity() {
     override fun onNewIntent(intent: Intent?) {
@@ -34,37 +44,64 @@ class InstallAppActivity: FragmentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
+        WindowCompat.setDecorFitsSystemWindows(window, false)
+        val context = applicationContext
         val sharedPref = applicationContext.getSharedPreferences("data", Context.MODE_PRIVATE)
         window.setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT))
+        val uri = this.intent.data!!
+        var apkInfoText by mutableStateOf(context.getString(R.string.parsing_apk_info))
+        var status by mutableStateOf("parsing")
+        this.lifecycleScope.launch(Dispatchers.IO) {
+            val fd = applicationContext.contentResolver.openFileDescriptor(uri, "r")
+            val apkInfo = ApkInfo.fromInputStream(
+                FileInputStream(fd?.fileDescriptor)
+            )
+            fd?.close()
+            withContext(Dispatchers.Main) {
+                status = "waiting"
+                apkInfoText = "${context.getString(R.string.package_name)}: ${apkInfo.packageName}\n"
+                apkInfoText += "${context.getString(R.string.version_name)}: ${apkInfo.versionName}\n"
+                apkInfoText += "${context.getString(R.string.version_code)}: ${apkInfo.versionCode}"
+            }
+        }
         setContent {
-            var installing by remember { mutableStateOf(false) }
             OwnDroidTheme(
                 sharedPref.getBoolean("material_you", true),
                 sharedPref.getBoolean("black_theme", false)
             ) {
                 AlertDialog(
+                    properties = DialogProperties(dismissOnBackPress = false, dismissOnClickOutside = false),
                     title = {
                         Text(stringResource(R.string.install_app))
                     },
                     onDismissRequest = {
-                        finish()
+                        if(status != "installing") finish()
                     },
                     text = {
-                        AnimatedVisibility(installing) {
-                            LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
+                        Column {
+                            AnimatedVisibility(status != "waiting") {
+                                LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
+                            }
+                            Text(text = apkInfoText, modifier = Modifier.padding(top = 4.dp))
                         }
                     },
                     dismissButton = {
-                        TextButton(onClick = { finish() }) { Text(stringResource(R.string.cancel)) }
+                        TextButton(
+                            onClick = { finish() },
+                            enabled = status != "installing"
+                        ) {
+                            Text(stringResource(R.string.cancel))
+                        }
                     },
                     confirmButton = {
                         TextButton(
                             onClick = {
-                                installing = true
+                                status = "installing"
                                 uriToStream(applicationContext, this.intent.data) { stream -> installPackage(applicationContext, stream) }
-                            }
+                            },
+                            enabled = status != "installing"
                         ) {
-                            Text(stringResource(R.string.confirm))
+                            Text(stringResource(R.string.install))
                         }
                     },
                     modifier = Modifier.fillMaxWidth()

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

@@ -1,6 +1,5 @@
 package com.bintianqi.owndroid
 
-import android.annotation.SuppressLint
 import android.app.admin.DevicePolicyManager
 import android.content.ComponentName
 import android.content.Context
@@ -41,7 +40,6 @@ import androidx.navigation.compose.rememberNavController
 import com.bintianqi.owndroid.dpm.*
 import com.bintianqi.owndroid.ui.Animations
 import com.bintianqi.owndroid.ui.theme.OwnDroidTheme
-import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
 import java.util.Locale
 
@@ -50,7 +48,6 @@ var backToHomeStateFlow = MutableStateFlow(false)
 class MainActivity : FragmentActivity() {
     private val showAuth = mutableStateOf(false)
 
-    @SuppressLint("UnrememberedMutableState")
     override fun onCreate(savedInstanceState: Bundle?) {
         registerActivityResult(this)
         enableEdgeToEdge()
@@ -63,8 +60,8 @@ class MainActivity : FragmentActivity() {
         val locale = applicationContext.resources?.configuration?.locale
         zhCN = locale == Locale.SIMPLIFIED_CHINESE || locale == Locale.CHINESE || locale == Locale.CHINA
         setContent {
-            val materialYou = mutableStateOf(sharedPref.getBoolean("material_you", true))
-            val blackTheme = mutableStateOf(sharedPref.getBoolean("black_theme", false))
+            val materialYou = remember { mutableStateOf(sharedPref.getBoolean("material_you", true)) }
+            val blackTheme = remember { mutableStateOf(sharedPref.getBoolean("black_theme", false)) }
             OwnDroidTheme(materialYou.value, blackTheme.value) {
                 Home(materialYou, blackTheme)
                 if(showAuth.value) {
@@ -87,7 +84,6 @@ class MainActivity : FragmentActivity() {
 
 }
 
-@SuppressLint("UnrememberedMutableState")
 @ExperimentalMaterial3Api
 @Composable
 fun Home(materialYou:MutableState<Boolean>, blackTheme:MutableState<Boolean>) {
@@ -97,8 +93,8 @@ fun Home(materialYou:MutableState<Boolean>, blackTheme:MutableState<Boolean>) {
     val receiver = ComponentName(context,Receiver::class.java)
     val sharedPref = LocalContext.current.getSharedPreferences("data", Context.MODE_PRIVATE)
     val focusMgr = LocalFocusManager.current
-    val pkgName = mutableStateOf("")
-    val dialogStatus = mutableIntStateOf(0)
+    val pkgName = remember { mutableStateOf("") }
+    val dialogStatus = remember { mutableIntStateOf(0) }
     val backToHome by backToHomeStateFlow.collectAsState()
     LaunchedEffect(backToHome) {
         if(backToHome) { navCtrl.navigateUp(); backToHomeStateFlow.value = false }