Http Server / Client communication #7
3 changed files with 145 additions and 71 deletions
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@ -3,7 +3,40 @@
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<component name="deploymentTargetDropDown">
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<value>
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<entry key="app">
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<State />
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<State>
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<targetSelectedWithDropDown>
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<Target>
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<type value="QUICK_BOOT_TARGET" />
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<deviceKey>
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<Key>
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<type value="VIRTUAL_DEVICE_PATH" />
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<value value="$USER_HOME$/.android/avd/Very_Small_API_34_2.avd" />
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</Key>
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</deviceKey>
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</Target>
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</targetSelectedWithDropDown>
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<timeTargetWasSelectedWithDropDown value="2024-03-22T12:51:27.914541423Z" />
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<targetsSelectedWithDialog>
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<Target>
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<type value="QUICK_BOOT_TARGET" />
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<deviceKey>
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<Key>
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<type value="VIRTUAL_DEVICE_PATH" />
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<value value="$USER_HOME$/.android/avd/Micro_API_26.avd" />
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</Key>
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</deviceKey>
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</Target>
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<Target>
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<type value="QUICK_BOOT_TARGET" />
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<deviceKey>
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<Key>
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<type value="VIRTUAL_DEVICE_PATH" />
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<value value="$USER_HOME$/.android/avd/Very_Small_API_34_2.avd" />
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</Key>
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</deviceKey>
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</Target>
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</targetsSelectedWithDialog>
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</State>
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</entry>
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</value>
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</component>
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@ -2,6 +2,32 @@
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools">
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<!-- SDK -->
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<uses-sdk
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android:minSdkVersion="14"
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tools:ignore="GradleOverrides" />
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<!-- Permissions -->
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<!-- Internet -->
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<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
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<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
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<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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<!-- Internet < Android 13 (API 33) -->
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<uses-permission
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android:name="android.permission.ACCESS_FINE_LOCATION"
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android:maxSdkVersion="32" />
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<!-- Internet >= Android 13 (API 33) -->
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<uses-permission
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android:name="android.permission.NEARBY_WIFI_DEVICES"
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android:usesPermissionFlags="neverForLocation"
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tools:targetApi="s" />
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<!-- Applications -->
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<application
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android:allowBackup="true"
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android:dataExtractionRules="@xml/data_extraction_rules"
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@ -10,6 +36,7 @@
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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tools:ignore="RtlEnabled"
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android:theme="@style/Theme.Tasksvalider"
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tools:targetApi="31">
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<activity
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@ -1,24 +1,19 @@
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package com.faraphel.tasks_valider
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import android.content.Context
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import android.net.wifi.p2p.WifiP2pConfig
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import android.net.wifi.p2p.WifiP2pManager
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import android.net.wifi.p2p.WifiP2pManager.ActionListener
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import android.os.Build
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import android.os.Bundle
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import android.util.Log
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import androidx.activity.ComponentActivity
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import androidx.activity.compose.setContent
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import androidx.annotation.RequiresApi
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import androidx.compose.foundation.layout.Column
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import androidx.room.Room
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import androidx.room.RoomDatabase
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import androidx.sqlite.db.SupportSQLiteDatabase
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import com.faraphel.tasks_valider.database.Database
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import com.faraphel.tasks_valider.database.entities.Group
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import com.faraphel.tasks_valider.database.entities.GroupStudent
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import com.faraphel.tasks_valider.database.entities.Student
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import com.faraphel.tasks_valider.database.entities.Task
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import com.faraphel.tasks_valider.database.entities.TaskGroup
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import com.faraphel.tasks_valider.database.entities.Teacher
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import com.faraphel.tasks_valider.ui.widgets.WidgetTaskStudent
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import java.time.Instant
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import java.net.InetAddress
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import java.net.InetSocketAddress
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import java.net.ServerSocket
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import java.net.Socket
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class MainActivity : ComponentActivity() {
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@ -31,69 +26,88 @@ class MainActivity : ComponentActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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// Reset the database
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this.deleteDatabase("local") // TODO: remove
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// Create the database
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database = Room.databaseBuilder(
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this.applicationContext,
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Database::class.java, "local"
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)
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.allowMainThreadQueries() // TODO: remove
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.build()
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// Create some data
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val studentDao = database.studentDao()
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studentDao.insert(
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Student(firstName = "John", lastName = "Joe"),
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Student(firstName = "Evan", lastName = "Doe"),
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Student(firstName = "Xavier", lastName = "Moe"),
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)
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val teacherDao = database.teacherDao()
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teacherDao.insert(
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Teacher(firstName = "Jean", lastName = "Voe")
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)
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val groupDao = database.groupDao()
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groupDao.insert(
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Group(name = "Group 1"),
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Group(name = "Group 2"),
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)
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val groupStudentDao = database.groupStudentDao()
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groupStudentDao.insert(
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GroupStudent(1, 1),
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GroupStudent(1, 2),
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GroupStudent(2, 3),
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)
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val taskDao = database.taskDao()
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taskDao.insert(
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Task(title = "Task 1", description = "Do something"),
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Task(title = "Task 2", description = "Do something else"),
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Task(title = "Task 3", description = "Do something nice"),
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)
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val taskGroupDao = database.taskGroupDao()
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taskGroupDao.insert(
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TaskGroup(1, 1),
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TaskGroup(2, 2, true, 1, Instant.now()),
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)
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// ----- CONNECTION
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/*
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val intentFilter = IntentFilter()
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// display some data
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this.setContent {
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Column {
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database.taskGroupDao().getAll().forEach { taskGroup ->
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WidgetTaskStudent(database, taskGroup)
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}
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}
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}
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// Indicates a change in the Wi-Fi Direct status.
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intentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION)
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intentFilter.addAction(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION)
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intentFilter.addAction(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION)
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intentFilter.addAction(WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION)
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this.registerReceiver(MyBroadcastReceiver(this), intentFilter)
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*/
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// get the WiFi direct manager
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val manager: WifiP2pManager? = this.getSystemService(Context.WIFI_P2P_SERVICE) as WifiP2pManager?
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if (manager == null) {
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Log.e("wifi-p2p", "cannot get the manager")
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return
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}
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val channel = manager.initialize(this, this.mainLooper, null)
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// get the list of peers in the group
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manager.requestPeers(channel) { devices ->
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devices.deviceList.forEach { device ->
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Log.d("wifi-p2p", "peer found : [${device.deviceAddress}] ${device.deviceName}")
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}
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}
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manager.requestGroupInfo(channel) { group ->
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val config = WifiP2pConfig().apply {
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this.deviceAddress = group.owner.deviceAddress
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}
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if (group.isGroupOwner) {
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// the device is the host
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Log.d("wifi-p2p", "I am the owner ! (${group.owner})")
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Thread {
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while (true) {
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// declare the server
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val serverSocket = ServerSocket()
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serverSocket.bind(InetSocketAddress(8888))
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// accept a connection
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val clientSocket = serverSocket.accept()
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val data = clientSocket.getInputStream().read()
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// print the data
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Log.i("wifi-p2p", "Data received (${clientSocket.inetAddress}) : $data")
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// close the connection
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clientSocket.close()
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}
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}.start()
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} else {
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// the device is a simple peer
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Log.d("wifi-p2p", "I am a peer !")
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// connect to the host and send a packet
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Thread {
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manager.connect(channel, config, object : ActionListener {
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override fun onSuccess() {
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val hostAddress = InetAddress.getByName(config.deviceAddress)
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val port = 8888
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Log.d("wifi-p2p", "Sending packet to host")
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val socket = Socket()
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socket.connect(InetSocketAddress(hostAddress, port))
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socket.outputStream.write("test".toByteArray())
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}
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override fun onFailure(reason: Int) {
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Log.e("wifi-p2p", "Error when connecting to host : $reason")
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}
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})
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}
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}
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}
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}
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}
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Reference in a new issue