harmonize controlTransfer() result comparison

Pending intent and broadcast receiver changed according to sdk 34 release notes.
Permisssion dialog now shown while fragment is paused.

.idea/misc.xml

@@ -5,7 +5,7 @@
     <option name="myDefaultNotNull" value="androidx.annotation.NonNull" />
     <option name="myNullables">
       <value>
-        <list size="15">
+        <list size="17">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
           <item index="2" class="java.lang.String" itemvalue="javax.annotation.CheckForNull" />
@@ -21,12 +21,14 @@
           <item index="12" class="java.lang.String" itemvalue="org.eclipse.jdt.annotation.Nullable" />
           <item index="13" class="java.lang.String" itemvalue="io.reactivex.annotations.Nullable" />
           <item index="14" class="java.lang.String" itemvalue="io.reactivex.rxjava3.annotations.Nullable" />
+          <item index="15" class="java.lang.String" itemvalue="org.jspecify.nullness.Nullable" />
+          <item index="16" class="java.lang.String" itemvalue="jakarta.annotation.Nullable" />
         </list>
       </value>
     </option>
     <option name="myNotNulls">
       <value>
-        <list size="14">
+        <list size="16">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
           <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
@@ -41,11 +43,13 @@
           <item index="11" class="java.lang.String" itemvalue="org.eclipse.jdt.annotation.NonNull" />
           <item index="12" class="java.lang.String" itemvalue="io.reactivex.annotations.NonNull" />
           <item index="13" class="java.lang.String" itemvalue="io.reactivex.rxjava3.annotations.NonNull" />
+          <item index="14" class="java.lang.String" itemvalue="jakarta.annotation.Nonnull" />
+          <item index="15" class="java.lang.String" itemvalue="org.jspecify.nullness.NonNull" />
         </list>
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.0.2'
+        classpath 'com.android.tools.build:gradle:8.2.2'
     }
 }
 

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-all.zip

usbSerialExamples/build.gradle

@@ -3,7 +3,7 @@ plugins {
 }
 
 android {
-    compileSdkVersion 33
+    compileSdkVersion 34
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -12,7 +12,7 @@ android {
 
     defaultConfig {
         minSdkVersion 17
-        targetSdkVersion 33
+        targetSdkVersion 34
         vectorDrawables.useSupportLibrary = true
 
         missingDimensionStrategy 'device', 'anyDevice'

usbSerialExamples/src/main/java/com/hoho/android/usbserial/examples/TerminalFragment.java

@@ -28,6 +28,7 @@ import android.widget.ToggleButton;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 
 import com.hoho.android.usbserial.driver.UsbSerialDriver;
@@ -89,12 +90,22 @@ public class TerminalFragment extends Fragment implements SerialInputOutputManag
         withIoManager = getArguments().getBoolean("withIoManager");
     }
 
+    @Override
+    public void onStart() {
+        super.onStart();
+        ContextCompat.registerReceiver(getActivity(), broadcastReceiver, new IntentFilter(INTENT_ACTION_GRANT_USB), ContextCompat.RECEIVER_NOT_EXPORTED);
+    }
+
+    @Override
+    public void onStop() {
+        getActivity().unregisterReceiver(broadcastReceiver);
+        super.onStop();
+    }
+
     @Override
     public void onResume() {
         super.onResume();
-        getActivity().registerReceiver(broadcastReceiver, new IntentFilter(INTENT_ACTION_GRANT_USB));
-
-        if(usbPermission == UsbPermission.Unknown || usbPermission == UsbPermission.Granted)
+        if(!connected && (usbPermission == UsbPermission.Unknown || usbPermission == UsbPermission.Granted))
             mainLooper.post(this::connect);
     }
 
@@ -104,7 +115,6 @@ public class TerminalFragment extends Fragment implements SerialInputOutputManag
             status("disconnected");
             disconnect();
         }
-        getActivity().unregisterReceiver(broadcastReceiver);
         super.onPause();
     }
 
@@ -213,7 +223,9 @@ public class TerminalFragment extends Fragment implements SerialInputOutputManag
         if(usbConnection == null && usbPermission == UsbPermission.Unknown && !usbManager.hasPermission(driver.getDevice())) {
             usbPermission = UsbPermission.Requested;
             int flags = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ? PendingIntent.FLAG_MUTABLE : 0;
-            PendingIntent usbPermissionIntent = PendingIntent.getBroadcast(getActivity(), 0, new Intent(INTENT_ACTION_GRANT_USB), flags);
+            Intent intent = new Intent(INTENT_ACTION_GRANT_USB);
+            intent.setPackage(getActivity().getPackageName());
+            PendingIntent usbPermissionIntent = PendingIntent.getBroadcast(getActivity(), 0, intent, flags);
             usbManager.requestPermission(driver.getDevice(), usbPermissionIntent);
             return;
         }

usbSerialForAndroid/build.gradle

@@ -4,16 +4,16 @@ plugins {
 }
 
 android {
-    compileSdkVersion 33
+    compileSdkVersion 34
 
     defaultConfig {
         minSdkVersion 17
-        targetSdkVersion 33
+        targetSdkVersion 34
         consumerProguardFiles 'proguard-rules.pro'
         
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         testInstrumentationRunnerArguments = [                    // Raspi   Windows   LinuxVM   ...
-                'rfc2217_server_host': '192.168.0.145',
+                'rfc2217_server_host': '192.168.0.147',
                 'rfc2217_server_nonstandard_baudrates': 'true',   // true    false     false
         ]
     }
@@ -31,12 +31,12 @@ android {
 }
 
 dependencies {
-    implementation "androidx.annotation:annotation:1.5.0"
+    implementation "androidx.annotation:annotation:1.7.1"
     testImplementation 'junit:junit:4.13.2'
-    testImplementation 'org.mockito:mockito-core:5.4.0'
+    testImplementation 'org.mockito:mockito-core:5.8.0'
     androidTestImplementation 'androidx.test:core:1.5.0'
     androidTestImplementation 'androidx.test:runner:1.5.2'
-    androidTestImplementation 'commons-net:commons-net:3.9.0'
+    androidTestImplementation 'commons-net:commons-net:3.10.0'
     androidTestImplementation 'org.apache.commons:commons-lang3:3.12.0'
 }
 

usbSerialForAndroid/coverage.gradle

@@ -2,7 +2,7 @@
 apply plugin: 'jacoco'
 
 android {
-    flavorDimensions 'device'
+    flavorDimensions += 'device'
     productFlavors {
         anyDevice {
             // Used as fallback in usbSerialExample/build.gradle -> missingDimensionStrategy, but not for coverage report

usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/util/UsbWrapper.java

@@ -86,9 +86,11 @@ public class UsbWrapper implements SerialInputOutputManager.Listener {
                 }
             };
             int flags = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ? PendingIntent.FLAG_MUTABLE : 0;
-            PendingIntent permissionIntent = PendingIntent.getBroadcast(context, 0, new Intent("com.android.example.USB_PERMISSION"), flags);
+            Intent intent = new Intent("com.android.example.USB_PERMISSION");
+            intent.setPackage(context.getPackageName());
+            PendingIntent permissionIntent = PendingIntent.getBroadcast(context, 0, intent, flags);
             IntentFilter filter = new IntentFilter("com.android.example.USB_PERMISSION");
-            context.registerReceiver(usbReceiver, filter);
+            context.registerReceiver(usbReceiver, filter, Context.RECEIVER_NOT_EXPORTED);
             usbManager.requestPermission(serialDriver.getDevice(), permissionIntent);
             for(int i=0; i<5000; i++) {
                 if(granted[0] != null) break;

usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/Cp21xxSerialDriver.java

@@ -118,7 +118,7 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
             byte[] buffer = new byte[1];
             int result = mConnection.controlTransfer(REQTYPE_DEVICE_TO_HOST, SILABSER_GET_MDMSTS_REQUEST_CODE, 0,
                     mPortNumber, buffer, buffer.length, USB_WRITE_TIMEOUT_MILLIS);
-            if (result != 1) {
+            if (result != buffer.length) {
                 throw new IOException("Control transfer failed: " + SILABSER_GET_MDMSTS_REQUEST_CODE + " / " + 0 + " -> " + result);
             }
             return buffer[0];

usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/FtdiSerialDriver.java

@@ -303,7 +303,7 @@ public class FtdiSerialDriver implements UsbSerialDriver {
             byte[] data = new byte[2];
             int result = mConnection.controlTransfer(REQTYPE_DEVICE_TO_HOST, GET_MODEM_STATUS_REQUEST,
                     0, mPortNumber+1, data, data.length, USB_WRITE_TIMEOUT_MILLIS);
-            if (result != 2) {
+            if (result != data.length) {
                 throw new IOException("Get modem status failed: result=" + result);
             }
             return data[0];
@@ -419,7 +419,7 @@ public class FtdiSerialDriver implements UsbSerialDriver {
             byte[] data = new byte[1];
             int result = mConnection.controlTransfer(REQTYPE_DEVICE_TO_HOST, GET_LATENCY_TIMER_REQUEST,
                     0, mPortNumber+1, data, data.length, USB_WRITE_TIMEOUT_MILLIS);
-            if (result != 1) {
+            if (result != data.length) {
                 throw new IOException("Get latency timer failed: result=" + result);
             }
             return data[0];