├── .idea ├── encodings.xml ├── gradle.xml ├── inspectionProfiles │ └── Project_Default.xml └── vcs.xml ├── LICENSE ├── README.md ├── app ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── serenegiant │ │ └── uvcpermissiontest │ │ └── ExampleInstrumentedTest.kt │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── serenegiant │ │ │ └── uvcpermissiontest │ │ │ └── MainActivity.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ └── ic_launcher_background.xml │ │ ├── layout │ │ └── activity_main.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── values │ │ ├── colors.xml │ │ ├── strings.xml │ │ └── styles.xml │ │ ├── xml-v28 │ │ └── device_filter_uvc.xml │ │ └── xml │ │ └── device_filter_uvc.xml │ └── test │ └── java │ └── com │ └── serenegiant │ └── uvcpermissiontest │ └── ExampleUnitTest.kt ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.idea/encodings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 20 | 21 | -------------------------------------------------------------------------------- /.idea/inspectionProfiles/Project_Default.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 116 | -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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-------------------------------------------------------------------------------- 1 | UVCPermissionTest 2 | ========= 3 | 4 | Test app to confirm whether or not app can get USB permission for UVC device with verious target SDK version. 5 | 6 | Copyright (c) 2019 saki t_saki@serenegiant.com 7 | 8 | Licensed under the Apache License, Version 2.0 (the "License"); 9 | you may not use this file except in compliance with the License. 10 | You may obtain a copy of the License at 11 | 12 | http://www.apache.org/licenses/LICENSE-2.0 13 | 14 | Unless required by applicable law or agreed to in writing, software 15 | distributed under the License is distributed on an "AS IS" BASIS, 16 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 | See the License for the specific language governing permissions and 18 | limitations under the License. 19 | 20 | ## Background 21 | As documents on [Android Developers](https://developer.android.com/reference/android/hardware/usb/UsbManager.html#requestPermission(android.hardware.usb.UsbDevice,%20android.app.PendingIntent)) shows, app that use USB WebCam(UVC device) needs `CAMERA permission` if it runs on Android 9 and later. 22 | But even if app has `CAMERA permission`, app can't get USB permission to access UVC device on Android 10 if target SDK version is 28 and later. 23 | 24 | ### The result of my tests 25 | 26 | OK in following tables means app could get USB permission NG means app could't get permission. 27 | 28 | * targe SDK version <= 27 29 | 30 | | | UVC, has CAMERA permission | UVC, has no CAMERA permission | other USB device | 31 | --- | :---: | :---: | :---: 32 | | Android <= 8 | OK | OK | OK | 33 | | Android 9 | OK | NG(expected) | OK | 34 | | Android 10 | OK | NG(expected) | OK | 35 | 36 | * targe SDK version >= 28 37 | 38 | | | UVC, has CAMERA permission | UVC, has no CAMERA permission | other USB device | 39 | --- | :---: | :---: | :---: 40 | | Android < 8 | OK | OK | OK | 41 | | Android 9 | OK | NG(expected) | OK | 42 | | Android 10 | **NG (unexpected)** | NG(expected) | OK | 43 | 44 | 45 | * Test devices: 46 | * Android 10: 47 | * Pixel3 48 | * Essential Phone PH-1 49 | * Android 9: 50 | * Moto g(6) plus 51 | * Android 8: 52 | * Moto Z Play 53 | * Moto Z2 Play 54 | * ASUS ZenPhone 4 Pro 55 | 56 | 57 | ### Note: 58 | When app request permission, or when user give permission from system permission dialog, Android output error message on logCat regardless app has `CAMERA permission` or not. 59 | ``` 60 | UsbUserSettingsManager: Camera permission required for USB video class devices 61 | ``` 62 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'com.android.application' 3 | id 'org.jetbrains.kotlin.android' 4 | id 'org.jetbrains.kotlin.kapt' 5 | id 'org.jetbrains.dokka' 6 | } 7 | 8 | android { 9 | namespace 'com.serenegiant.uvcpermissiontest' 10 | compileSdkVersion versionCompiler 11 | 12 | compileOptions { 13 | sourceCompatibility javaSourceCompatibility 14 | targetCompatibility javaTargetCompatibility 15 | } 16 | 17 | defaultConfig { 18 | minSdkVersion 16 19 | versionCode versionCodeNum 20 | 21 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 22 | } 23 | 24 | buildTypes { 25 | release { 26 | minifyEnabled false 27 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 28 | } 29 | } 30 | 31 | kotlinOptions.jvmTarget = "1.8" 32 | 33 | flavorDimensions "UVCPermissionTest" 34 | productFlavors { 35 | API27 { 36 | dimension "UVCPermissionTest" 37 | def ver = 27 38 | targetSdkVersion ver 39 | 40 | versionName "api${ver}_${versionNameString}" 41 | applicationId "com.serenegiant.uvcpermissiontest.api${ver}" 42 | manifestPlaceholders = [app_name:"api${ver}UVCPermissionTest"] 43 | } 44 | API28 { 45 | dimension "UVCPermissionTest" 46 | def ver = 28 47 | targetSdkVersion ver 48 | 49 | versionName "api${ver}_${versionNameString}" 50 | applicationId "com.serenegiant.uvcpermissiontest.api${ver}" 51 | manifestPlaceholders = [app_name:"api${ver}UVCPermissionTest"] 52 | } 53 | API29 { 54 | dimension "UVCPermissionTest" 55 | def ver = 29 56 | targetSdkVersion ver 57 | 58 | versionName "api${ver}_${versionNameString}" 59 | applicationId "com.serenegiant.uvcpermissiontest.api${ver}" 60 | manifestPlaceholders = [app_name:"api${ver}UVCPermissionTest"] 61 | } 62 | API30 { 63 | dimension "UVCPermissionTest" 64 | def ver = 30 65 | targetSdkVersion ver 66 | 67 | versionName "api${ver}_${versionNameString}" 68 | applicationId "com.serenegiant.uvcpermissiontest.api${ver}" 69 | manifestPlaceholders = [app_name:"api${ver}UVCPermissionTest"] 70 | } 71 | API31 { 72 | dimension "UVCPermissionTest" 73 | def ver = 31 74 | targetSdkVersion ver 75 | 76 | versionName "api${ver}_${versionNameString}" 77 | applicationId "com.serenegiant.uvcpermissiontest.api${ver}" 78 | manifestPlaceholders = [app_name:"api${ver}UVCPermissionTest"] 79 | } 80 | API32 { 81 | dimension "UVCPermissionTest" 82 | def ver = 32 83 | targetSdkVersion ver 84 | 85 | versionName "api${ver}_${versionNameString}" 86 | applicationId "com.serenegiant.uvcpermissiontest.api${ver}" 87 | manifestPlaceholders = [app_name:"api${ver}UVCPermissionTest"] 88 | } 89 | APILatest { 90 | dimension "UVCPermissionTest" 91 | def ver = versionTarget 92 | targetSdkVersion ver 93 | 94 | versionName "api${ver}_${versionNameString}" 95 | applicationId "com.serenegiant.uvcpermissiontest.api${ver}" 96 | manifestPlaceholders = [app_name:"api${ver}UVCPermissionTest"] 97 | } 98 | } 99 | } 100 | 101 | dependencies { 102 | implementation fileTree(dir: 'libs', include: ['*.jar']) 103 | 104 | implementation "androidx.appcompat:appcompat:${androidXVersion}" 105 | implementation "com.google.android.material:material:${androidXMaterial}" 106 | implementation 'androidx.constraintlayout:constraintlayout:2.1.4' 107 | 108 | implementation "androidx.core:core-ktx:${androidXKtCore}" 109 | implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:${androidXKtLifeCycle}" 110 | 111 | testImplementation 'junit:junit:4.13.2' 112 | androidTestImplementation 'androidx.test.ext:junit:1.1.3' 113 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0' 114 | } 115 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile 22 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/serenegiant/uvcpermissiontest/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.serenegiant.uvcpermissiontest 2 | 3 | import androidx.test.platform.app.InstrumentationRegistry 4 | import androidx.test.ext.junit.runners.AndroidJUnit4 5 | 6 | import org.junit.Test 7 | import org.junit.runner.RunWith 8 | 9 | import org.junit.Assert.* 10 | 11 | /** 12 | * Instrumented test, which will execute on an Android device. 13 | * 14 | * See [testing documentation](http://d.android.com/tools/testing). 15 | */ 16 | @RunWith(AndroidJUnit4::class) 17 | class ExampleInstrumentedTest { 18 | @Test 19 | fun useAppContext() { 20 | // Context of the app under test. 21 | val appContext = InstrumentationRegistry.getInstrumentation().targetContext 22 | assertEquals("com.serenegiant.uvcpermissiontestapi28plus", appContext.packageName) 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 18 | 19 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /app/src/main/java/com/serenegiant/uvcpermissiontest/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.serenegiant.uvcpermissiontest 2 | 3 | import android.Manifest 4 | import android.app.PendingIntent 5 | import android.content.BroadcastReceiver 6 | import android.content.Context 7 | import android.content.Intent 8 | import android.content.IntentFilter 9 | import android.content.pm.PackageManager 10 | import android.hardware.usb.UsbConstants 11 | import android.hardware.usb.UsbDevice 12 | import android.hardware.usb.UsbManager 13 | import android.os.Build 14 | import android.os.Bundle 15 | import android.text.TextUtils 16 | import android.util.Log 17 | import android.view.View 18 | import android.widget.ScrollView 19 | import android.widget.TextView 20 | import androidx.appcompat.app.AppCompatActivity 21 | import androidx.core.app.ActivityCompat 22 | import com.google.android.material.snackbar.Snackbar 23 | import kotlin.math.min 24 | 25 | class MainActivity : AppCompatActivity() { 26 | 27 | private lateinit var mainFrame: View 28 | private lateinit var mLogScrollView: ScrollView 29 | private lateinit var logTv: TextView 30 | 31 | override fun onCreate(savedInstanceState: Bundle?) { 32 | super.onCreate(savedInstanceState) 33 | 34 | if (DEBUG) Log.v(TAG, "onCreate:") 35 | setContentView(R.layout.activity_main) 36 | this.title = "targetSDK${applicationInfo.targetSdkVersion}" 37 | mainFrame = findViewById(R.id.main_frame) 38 | mLogScrollView = findViewById(R.id.log_scrollview) 39 | logTv = findViewById(R.id.log_textview) 40 | 41 | // output information to screen 42 | var msg = "targetSDKVersion=${applicationInfo.targetSdkVersion}" 43 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { 44 | msg = "${msg}\n minSDKVersion=${applicationInfo.minSdkVersion}" 45 | } 46 | msg = "${msg}\n SDK_INT=${Build.VERSION.SDK_INT}\n" + 47 | " BOARD=${Build.BOARD}\n" + 48 | " BOOTLOADER=${Build.BOOTLOADER}\n" + 49 | " BRAND=${Build.BRAND}\n" + 50 | " DEVICE=${Build.DEVICE}\n" + 51 | " DISPLAY=${Build.DISPLAY}\n" + 52 | " HARDWARE=${Build.HARDWARE}\n" + 53 | " ID=${Build.ID}\n" + 54 | " MANUFACTURER=${Build.MANUFACTURER}\n" + 55 | " PRODUCT=${Build.PRODUCT}\n" + 56 | " TAGS=${Build.TAGS}\n" + 57 | " VERSION.MODEL=${Build.MODEL}\n" 58 | log("Info", msg) 59 | 60 | // check CAMERA permission 61 | val hasPermission= ActivityCompat.checkSelfPermission(this, 62 | Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED 63 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) { 64 | // Android 9 and later needs CAMERA permission to access UVC devices 65 | if (hasPermission) { 66 | log("CAMERA permission", "already granted") 67 | } else { 68 | requestCameraPermission() 69 | } 70 | } else { 71 | log("CAMERA permission", "before Android 9,CAMERA permission=$hasPermission") 72 | } 73 | } 74 | 75 | override fun onNewIntent(intent: Intent?) { 76 | super.onNewIntent(intent) 77 | if (DEBUG) Log.v(TAG, "onNewIntent:$intent") 78 | if (intent != null) { 79 | runOnUiThread { 80 | handleIntent(intent) 81 | } 82 | } 83 | } 84 | 85 | override fun onStart() { 86 | super.onStart() 87 | if (DEBUG) Log.v(TAG, "onStart:") 88 | // Register BroadcastReceiver to receive USB related events 89 | val filter = IntentFilter(ACTION_USB_PERMISSION) 90 | filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED) 91 | filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED) 92 | registerReceiver(mBroadcastReceiver, filter) 93 | log("BroadcastReceiver", "register") 94 | if (intent != null) { 95 | runOnUiThread { 96 | handleIntent(intent) 97 | } 98 | } 99 | } 100 | 101 | override fun onStop() { 102 | if (DEBUG) Log.v(TAG, "onStop:") 103 | unregisterReceiver(mBroadcastReceiver) 104 | log("BroadcastReceiver", "unregister") 105 | super.onStop() 106 | } 107 | 108 | override fun onDestroy() { 109 | if (DEBUG) Log.v(TAG, "onDestroy:") 110 | super.onDestroy() 111 | } 112 | 113 | //-------------------------------------------------------------------------------- 114 | /** 115 | * When received result of permission request 116 | */ 117 | override fun onRequestPermissionsResult( 118 | requestCode: Int, permissions: Array, grantResults: IntArray) { 119 | super.onRequestPermissionsResult(requestCode, permissions, grantResults) 120 | val n = min(permissions.size, grantResults.size) 121 | for (i in 0 until n) { 122 | handlePermissionResult(permissions[i], 123 | grantResults[i] == PackageManager.PERMISSION_GRANTED) 124 | } 125 | } 126 | 127 | private fun handlePermissionResult(permission: String, result: Boolean) { 128 | if (result) { 129 | if (permission == Manifest.permission.CAMERA) { 130 | log("CAMERA permission", "granted") 131 | Snackbar.make(mainFrame, 132 | R.string.camera_permission_granted, Snackbar.LENGTH_SHORT 133 | ).show() 134 | scanAttachedDevice() 135 | } 136 | } else { 137 | log("CAMERA permission", "denied") 138 | Snackbar.make(mainFrame, 139 | R.string.camera_permission_denied, Snackbar.LENGTH_SHORT 140 | ).show() 141 | } 142 | } 143 | 144 | //-------------------------------------------------------------------------------- 145 | /** 146 | * request CAMERA permission 147 | * Android 9 and later needs CAMERA permission to access UVC devices 148 | */ 149 | private fun requestCameraPermission() { 150 | if (DEBUG) Log.v(TAG, "requestCameraPermission:") 151 | if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.CAMERA)) { 152 | Snackbar.make(mainFrame, 153 | R.string.camera_access_required, Snackbar.LENGTH_INDEFINITE) 154 | .setAction(android.R.string.ok) { 155 | // Request the permission 156 | log("CAMERA permission", "request") 157 | ActivityCompat.requestPermissions( 158 | this@MainActivity, 159 | arrayOf(Manifest.permission.CAMERA), 160 | REQ_PERMISSION_CAMERA 161 | ) 162 | } 163 | .show() 164 | } else { 165 | Snackbar.make(mainFrame, 166 | R.string.camera_unavailable, Snackbar.LENGTH_SHORT 167 | ).show() 168 | log("CAMERA permission", "request") 169 | ActivityCompat.requestPermissions( 170 | this@MainActivity, 171 | arrayOf(Manifest.permission.CAMERA), 172 | REQ_PERMISSION_CAMERA 173 | ) 174 | } 175 | } 176 | 177 | //-------------------------------------------------------------------------------- 178 | /** 179 | * BroadcastReceiver to receive USB related events 180 | */ 181 | private val mBroadcastReceiver = object : BroadcastReceiver() { 182 | override fun onReceive(context: Context?, intent: Intent?) { 183 | if (intent != null) { 184 | handleIntent(intent) 185 | } 186 | } 187 | } 188 | 189 | /** 190 | * Handle received Intent 191 | */ 192 | private fun handleIntent(intent: Intent) { 193 | if (DEBUG) Log.v(TAG, "handleIntent:$intent") 194 | when (intent.action) { 195 | UsbManager.ACTION_USB_DEVICE_ATTACHED 196 | -> handleActionOnAttachDevice(intent) 197 | UsbManager.ACTION_USB_DEVICE_DETACHED 198 | -> handleActionOnDetachDevice(intent) 199 | ACTION_USB_PERMISSION 200 | -> handleActionUsbPermission(intent) 201 | Intent.ACTION_MAIN 202 | -> scanAttachedDevice() // app launched by user 203 | else -> { 204 | log("Unknown intent", "action=" + intent.action) 205 | } 206 | } 207 | } 208 | 209 | /** 210 | * when app received attach event of USB device 211 | */ 212 | private fun handleActionOnAttachDevice(intent: Intent) { 213 | if (DEBUG) Log.v(TAG, "handleActionOnAttachDevice:$intent") 214 | val manager = getSystemService(Context.USB_SERVICE) as UsbManager 215 | val device = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) { 216 | intent.getParcelableExtra(UsbManager.EXTRA_DEVICE, UsbDevice::class.java) 217 | } else { 218 | intent.getParcelableExtra(UsbManager.EXTRA_DEVICE) 219 | } 220 | var hasPermission = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false) 221 | if (device != null) { 222 | hasPermission = hasPermission || manager.hasPermission(device) 223 | log("USB_DEVICE_ATTACHED", "hasPermission=$hasPermission\n ${deviceName(device)}") 224 | if (!hasPermission) { 225 | requestUsbPermission(manager, device) 226 | } else { 227 | log("USB permission", "already has permission:\n ${deviceName(device)}") 228 | } 229 | } else { 230 | log("USB_DEVICE_ATTACHED", "device is null") 231 | } 232 | } 233 | 234 | /** 235 | * when app received detach event of USB device 236 | */ 237 | private fun handleActionOnDetachDevice(intent: Intent) { 238 | if (DEBUG) Log.v(TAG, "handleActionOnDetachDevice:$intent") 239 | val device = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) { 240 | intent.getParcelableExtra(UsbManager.EXTRA_DEVICE, UsbDevice::class.java) 241 | } else { 242 | intent.getParcelableExtra(UsbManager.EXTRA_DEVICE) 243 | } 244 | log("USB_DEVICE_DETACHED", deviceName(device)) 245 | } 246 | 247 | /** 248 | * when app received the result of requesting USB access permission. 249 | */ 250 | private fun handleActionUsbPermission(intent: Intent) { 251 | if (DEBUG) Log.v(TAG, "handleActionUsbPermission:$intent") 252 | val device = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) { 253 | intent.getParcelableExtra(UsbManager.EXTRA_DEVICE, UsbDevice::class.java) 254 | } else { 255 | intent.getParcelableExtra(UsbManager.EXTRA_DEVICE) 256 | } 257 | val hasPermission = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false) 258 | log("Result", "hasPermission=$hasPermission\n ${deviceName(device)}") 259 | } 260 | 261 | //-------------------------------------------------------------------------------- 262 | /** 263 | * scan attached usb devices and request permission for first found device that has no permission 264 | */ 265 | private fun scanAttachedDevice() { 266 | if (DEBUG) Log.v(TAG, "scanAttachedDevice:") 267 | log("SCAN", "start") 268 | val manager = getSystemService(Context.USB_SERVICE) as UsbManager 269 | val devices = manager.deviceList 270 | run loop@ { 271 | devices.values.forEach { 272 | if (isUVC(it)) { 273 | if (!manager.hasPermission(it)) { 274 | requestUsbPermission(manager, it) 275 | // XXX only request permission for first found device now 276 | return@loop 277 | } else { 278 | log("USB permission", "already has permission:\n ${deviceName(it)}") 279 | } 280 | } 281 | } 282 | } 283 | log("SCAN", "finished") 284 | } 285 | 286 | /** 287 | * request USB permission for specific device 288 | */ 289 | private fun requestUsbPermission(manager: UsbManager, device: UsbDevice) { 290 | log("USB permission", "request\n ${deviceName(device)}") 291 | runOnUiThread { 292 | var flags = 0 293 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) { 294 | flags = flags or PendingIntent.FLAG_MUTABLE 295 | } 296 | val permissionIntent = PendingIntent.getBroadcast(this, REQ_PERMISSION_USB, 297 | Intent(ACTION_USB_PERMISSION) 298 | .setPackage(packageName), 299 | flags) 300 | manager.requestPermission(device, permissionIntent) 301 | } 302 | } 303 | 304 | /** 305 | * check whether the specific device or one of its interfaces is VIDEO class 306 | */ 307 | private fun isUVC(device: UsbDevice?): Boolean { 308 | var result = false 309 | if (device != null) { 310 | if (device.deviceClass == UsbConstants.USB_CLASS_VIDEO) { 311 | result = true 312 | } else { 313 | loop@ for (i in 0..device.interfaceCount) { 314 | val iface = device.getInterface(i) 315 | if (iface.interfaceClass == UsbConstants.USB_CLASS_VIDEO) { 316 | result = true 317 | break@loop 318 | } 319 | } 320 | } 321 | } 322 | return result 323 | } 324 | 325 | /** 326 | * get device name of specific UsbDevice 327 | * return productName if it is available else return deviceName 328 | */ 329 | private fun deviceName(device: UsbDevice?): String { 330 | var result = "device is null" 331 | if (device != null) { 332 | result = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { 333 | if (!TextUtils.isEmpty(device.productName)) device.productName!! else device.deviceName 334 | } else { 335 | device.deviceName 336 | } 337 | } 338 | return result 339 | } 340 | 341 | //-------------------------------------------------------------------------------- 342 | /** 343 | * add message to TextView 344 | */ 345 | private fun log(tag: String, msg: String) { 346 | runOnUiThread { 347 | logTv.append("$tag:\n $msg\n") 348 | mLogScrollView.scrollTo(0, logTv.bottom) 349 | } 350 | } 351 | 352 | //-------------------------------------------------------------------------------- 353 | companion object { 354 | private const val DEBUG = true 355 | private val TAG = MainActivity::class.simpleName 356 | private const val ACTION_USB_PERMISSION = "ACTION_USB_PERMISSION" 357 | private const val REQ_PERMISSION_USB = 16 358 | private const val REQ_PERMISSION_CAMERA = 18 359 | } 360 | } 361 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 12 | 13 | 19 | 22 | 25 | 26 | 27 | 28 | 34 | 35 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 171 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 10 | 11 | 23 | 24 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/saki4510t/UVCPermissionTest/8ed9db41b71e7d1c34e5a252f49630cb88416657/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/saki4510t/UVCPermissionTest/8ed9db41b71e7d1c34e5a252f49630cb88416657/app/src/main/res/mipmap-hdpi/ic_launcher_round.png -------------------------------------------------------------------------------- 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/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/saki4510t/UVCPermissionTest/8ed9db41b71e7d1c34e5a252f49630cb88416657/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/saki4510t/UVCPermissionTest/8ed9db41b71e7d1c34e5a252f49630cb88416657/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/saki4510t/UVCPermissionTest/8ed9db41b71e7d1c34e5a252f49630cb88416657/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #008577 4 | #00574B 5 | #D81B60 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | Need camera permission to access UVC camera on Android 9 and above. 3 | Camera unavailable 4 | Camera permission granted. 5 | Camera permission denied by user. 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/main/res/xml-v28/device_filter_uvc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /app/src/main/res/xml/device_filter_uvc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | -------------------------------------------------------------------------------- /app/src/test/java/com/serenegiant/uvcpermissiontest/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package com.serenegiant.uvcpermissiontest 2 | 3 | import org.junit.Test 4 | 5 | import org.junit.Assert.* 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * See [testing documentation](http://d.android.com/tools/testing). 11 | */ 12 | class ExampleUnitTest { 13 | @Test 14 | fun addition_isCorrect() { 15 | assertEquals(4, 2 + 2) 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | plugins { 3 | // android 4 | id 'com.android.application' version '7.3.1' apply false 5 | id 'com.android.library' version '7.3.1' apply false 6 | // kotlin 7 | id 'org.jetbrains.kotlin.android' version '1.7.20' apply false 8 | id 'org.jetbrains.kotlin.kapt' version '1.7.20' apply false 9 | id 'org.jetbrains.dokka' version '1.7.20' apply false 10 | } 11 | 12 | task clean(type: Delete) { 13 | delete rootProject.buildDir 14 | } 15 | 16 | ext { 17 | javaSourceCompatibility = JavaVersion.VERSION_1_8 18 | javaTargetCompatibility = JavaVersion.VERSION_1_8 19 | 20 | versionCompiler = 33 21 | versionTarget = 33 22 | 23 | // variable that can be referenced to keep support libs consistent 24 | androidXVersion = '1.5.1' 25 | androidXMaterial = '1.7.0' 26 | androidXKtCore = '1.9.0' 27 | androidXKtLifeCycle = '2.5.1' 28 | 29 | versionCodeNum = 2 30 | versionNameString = '0.1.0' 31 | } 32 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | # IDE (e.g. Android Studio) users: 3 | # Gradle settings configured through the IDE *will override* 4 | # any settings specified in this file. 5 | # For more details on how to configure your build environment visit 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html 7 | # Specifies the JVM arguments used for the daemon process. 8 | # The setting is particularly useful for tweaking memory settings. 9 | org.gradle.jvmargs=-Xmx1536m 10 | # When configured, Gradle will run in incubating parallel mode. 11 | # This option should only be used with decoupled projects. More details, visit 12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 13 | # org.gradle.parallel=true 14 | # AndroidX package structure to make it clearer which packages are bundled with the 15 | # Android operating system, and which are packaged with your app's APK 16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn 17 | android.useAndroidX=true 18 | # Automatically convert third-party libraries to use AndroidX 19 | android.enableJetifier=true 20 | # Kotlin code style for this project: "official" or "obsolete": 21 | kotlin.code.style=official 22 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/saki4510t/UVCPermissionTest/8ed9db41b71e7d1c34e5a252f49630cb88416657/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Oct 21 10:04:28 JST 2022 2 | distributionBase=GRADLE_USER_HOME 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip 4 | distributionPath=wrapper/dists 5 | zipStorePath=wrapper/dists 6 | zipStoreBase=GRADLE_USER_HOME 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS="" 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn () { 37 | echo "$*" 38 | } 39 | 40 | die () { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save () { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | pluginManagement { 2 | repositories { 3 | gradlePluginPortal() 4 | google() 5 | mavenCentral() 6 | } 7 | } 8 | dependencyResolutionManagement { 9 | repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) 10 | repositories { 11 | google() 12 | mavenCentral() 13 | maven { url 'https://raw.github.com/saki4510t/libcommon/master/repository/' } 14 | maven { url 'https://raw.github.com/saki4510t/RecordingService/master/repository/' } 15 | mavenLocal() 16 | } 17 | } 18 | 19 | rootProject.name='UVCPermissionTest' 20 | include ':app' 21 | --------------------------------------------------------------------------------