Commit 86abbe53 authored by Anon's avatar Anon
Browse files

Code dump

parents
*.iml
.gradle
/local.properties
/.idea/caches
/.idea/libraries
/.idea/modules.xml
/.idea/workspace.xml
/.idea/navEditor.xml
/.idea/assetWizardSettings.xml
.DS_Store
/build
/captures
.externalNativeBuild
gradle/wrapper/gradle-wrapper.jar
gradlew
gradlew.bat
<component name="ProjectCodeStyleConfiguration">
<code_scheme name="Project" version="173">
<JetCodeStyleSettings>
<option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
</JetCodeStyleSettings>
<codeStyleSettings language="kotlin">
<option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
</codeStyleSettings>
</code_scheme>
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<component name="ProjectCodeStyleConfiguration">
<state>
<option name="USE_PER_PROJECT_SETTINGS" value="true" />
</state>
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<project version="4">
<component name="Encoding" addBOMForNewFiles="with NO BOM" />
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GradleSettings">
<option name="linkedExternalProjectsSettings">
<GradleProjectSettings>
<option name="distributionType" value="DEFAULT_WRAPPED" />
<option name="externalProjectPath" value="$PROJECT_DIR$" />
<option name="modules">
<set>
<option value="$PROJECT_DIR$" />
<option value="$PROJECT_DIR$/app" />
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</option>
<option name="resolveModulePerSourceSet" value="false" />
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</option>
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<project version="4">
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/build/classes" />
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<component name="ProjectType">
<option name="id" value="Android" />
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="RunConfigurationProducerService">
<option name="ignoredProducers">
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<option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
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apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
android {
compileSdkVersion 29
buildToolsVersion "29.0.1"
defaultConfig {
applicationId "com.github.antweb.donkey"
minSdkVersion 25
targetSdkVersion 29
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'androidx.appcompat:appcompat:1.0.2'
implementation 'androidx.core:core-ktx:1.0.2'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test:runner:1.2.0'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
}
# Add project specific ProGuard rules here.
# You can control the set of applied configuration files using the
# proguardFiles setting in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
# Uncomment this to preserve the line number information for
# debugging stack traces.
#-keepattributes SourceFile,LineNumberTable
# If you keep the line number information, uncomment this to
# hide the original source file name.
#-renamesourcefileattribute SourceFile
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.github.antweb.donkey">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
</application>
<uses-permission android:name="android.permission.BLUETOOTH"/>
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
</manifest>
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package com.github.antweb.donkey
import android.bluetooth.BluetoothGatt
import android.bluetooth.BluetoothGattCharacteristic
import android.os.Environment
import java.io.BufferedInputStream
import java.io.File
import java.io.FileInputStream
import java.nio.ByteBuffer
class FileTransfer(
private val gatt: BluetoothGatt,
private val dataCharacteristic: BluetoothGattCharacteristic,
private val mtu: Int
) {
private val filePath = "/Download/SEND.txt"
private val iterator = openFile().iterator()
private var offset: Int = 0
private fun openFile(): ByteArray {
// TODO: Don't listen to Android Docs, use stuff that is not deprecated
val file = File(
Environment.getExternalStorageDirectory()
.absolutePath, filePath
)
val size = file.length()
val bytes = ByteArray(size.toInt())
val buf = BufferedInputStream(FileInputStream(file))
buf.read(bytes, 0, bytes.size)
buf.close()
return bytes
}
fun sendFile() {
// Send first chunk
sendNext()
}
fun sendNext() {
if (!iterator.hasNext()) {
return
}
gatt?.beginReliableWrite()
val chunk = mutableListOf<Byte>()
for (i in 0 until (mtu - 5)) {
chunk.add(iterator.next())
}
// Our packet:
// 4 byte header + chunk
val header = offset
offset += chunk.size
val sendBuffer = ByteBuffer.allocate(chunk.size + 4)
sendBuffer.putInt(header)
sendBuffer.put(chunk.toByteArray())
dataCharacteristic?.value = sendBuffer.array()
gatt?.writeCharacteristic(dataCharacteristic)
// This will trigger the onCharacteristicWrite callback once the other side ACKs
// In there, we can call the actual gatt?.executeReliableWrite()
}
}
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package com.github.antweb.donkey
import android.bluetooth.*
import android.content.Context
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.os.Handler
import android.util.Log
import android.widget.Button
import android.widget.TextView
import java.lang.NullPointerException
class MainActivity : AppCompatActivity() {
private val TAG = "MainActivity"
private val targetDeviceName = "card10"
private val mtu = 128
private val serviceUuid = "00422342-2342-2342-2342-234223422342"
private val dataCharacteristicUuid = "01422342-2342-2342-2342-234223422342"
private val bluetoothAdapter: BluetoothAdapter? by lazy(LazyThreadSafetyMode.NONE) {
val bluetoothManager = getSystemService(Context.BLUETOOTH_SERVICE) as BluetoothManager
bluetoothManager.adapter
}
private var bluetoothGatt: BluetoothGatt? = null
private var fileService: BluetoothGattService? = null
private var dataCharacteristic: BluetoothGattCharacteristic? = null
private var mGatt: BluetoothGatt? = null
private var fileTransferService: FileTransfer? = null
private var mScanning: Boolean = false
private var connected = false
private lateinit var tvConnection: TextView
private lateinit var tvValue: TextView
private lateinit var buttonConnect: Button
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
tvValue = findViewById(R.id.text_value)
tvConnection = findViewById(R.id.text_connection_status)
tvConnection.text = "STATE_DISCONNECTED"
buttonConnect = findViewById(R.id.button_connect)
buttonConnect.setOnClickListener {
scanLeDevice()
}
}
private fun checkPermissions() {
// if (bluetoothAdapter == null || !(bluetoothAdapter?.isEnabled)) {
// val enableBtIntent = Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE)
// startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT)
// }
}
private fun scanLeDevice() {
val gattCallback = object : BluetoothGattCallback() {
override fun onServicesDiscovered(gatt: BluetoothGatt?, status: Int) {
super.onServicesDiscovered(gatt, status)
if (gatt == null) {
throw NullPointerException()
}
for (service in gatt.services) {
Log.d(TAG, "Found service: ${service.uuid}")
if (service.uuid.toString() == serviceUuid) {
fileService = service
}
for (characteristic in service.characteristics) {
Log.d(TAG, "Characteristic: ${characteristic.uuid}")
if (characteristic.uuid.toString() == dataCharacteristicUuid) {
dataCharacteristic = characteristic
}
}
}
if (fileService == null || dataCharacteristic == null) {
Log.e(TAG, "Could not find file transfer service")
return
}
gatt.requestMtu(mtu)
}
override fun onConnectionStateChange(gatt: BluetoothGatt?, status: Int, newState: Int) {
super.onConnectionStateChange(gatt, status, newState)
when (newState) {
BluetoothGatt.STATE_CONNECTED -> {
runOnUiThread {
tvConnection.text = "STATE_CONNECTED"
}
mGatt = gatt
gatt?.discoverServices()
}
BluetoothGatt.STATE_DISCONNECTED -> tvConnection.text = "STATE_DISCONNECTED"
BluetoothGatt.STATE_CONNECTING -> tvConnection.text = "STATE_CONNECTING"
BluetoothGatt.STATE_DISCONNECTING -> tvConnection.text = "STATE_DISCONNECTING"
}
}
override fun onMtuChanged(gatt: BluetoothGatt?, mtu: Int, status: Int) {
Log.d(TAG, "MTU changed to: $mtu")
runOnUiThread {
tvValue.text = "MTU: $mtu"
}
val lData = dataCharacteristic
if (gatt != null && lData != null) {
fileTransferService = FileTransfer(gatt, lData, mtu)
fileTransferService?.sendFile()
}
}
override fun onReliableWriteCompleted(gatt: BluetoothGatt?, status: Int) {
// Last chunk sent successfully. Send next chunk
fileTransferService?.sendNext()
}
override fun onCharacteristicWrite(
gatt: BluetoothGatt?,
characteristic: BluetoothGattCharacteristic?,
status: Int
) {
gatt?.executeReliableWrite()
}
}
val leScanCallback = BluetoothAdapter.LeScanCallback { device, _, _ ->
if (device.name == targetDeviceName) {
if (!connected) {
connected = true
bluetoothGatt = device.connectGatt(this, true, gattCallback, BluetoothDevice.TRANSPORT_LE)
}
}
}
// Stops scanning after a pre-defined period
Handler().postDelayed({
mScanning = false
bluetoothAdapter?.stopLeScan(leScanCallback)
}, 5000)
mScanning = true
bluetoothAdapter?.startLeScan(leScanCallback)
}
}
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android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity">
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/text_connection_status"
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<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/text_value"
/>
<Button android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/main_button_connect"
android:id="@+id/button_connect"
/>
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