Add GitHub action for Android Gradle build, update IDE/Android project (use Java 11, add -Werror)

.github/workflows/android_gradle.yml

@@ -0,0 +1,52 @@
+name: Android Gradle Build test logic
+
+on:
+  workflow_call:
+    inputs:
+      os:
+        required: true
+        type: string
+      jdk_distro:
+        required: true
+        type: string
+      jdk_version:
+        required: true
+        type: string
+
+jobs:
+  build_wolfssljni:
+    runs-on: ${{ inputs.os }}
+    steps:
+      - name: Clone wolfssljni
+        uses: actions/checkout@v4
+
+      # Clone native wolfSSL
+      - name: Clone native wolfSSL
+        uses: actions/checkout@v4
+        with:
+          repository: 'wolfssl/wolfssl'
+          path: IDE/Android/app/src/main/cpp/wolfssl
+
+      # Copy options.h.in to blank options.h
+      - name: Create blank options.h
+        run: cp IDE/Android/app/src/main/cpp/wolfssl/wolfssl/options.h.in IDE/Android/app/src/main/cpp/wolfssl/wolfssl/options.h
+
+      # Setup Java
+      - name: Setup java
+        uses: actions/setup-java@v4
+        with:
+          distribution: ${{ inputs.jdk_distro }}
+          java-version: ${{ inputs.jdk_version }}
+
+      # Gradle assembleDebug
+      - name: Gradle assembleDebug
+        run: cd IDE/Android && ls && ./gradlew assembleDebug
+
+      # Gradle assembleDebugUnitTest
+      - name: Gradle assembleDebugUnitTest
+        run: cd IDE/Android && ls && ./gradlew assembleDebugUnitTest
+
+      # Gradle assembleDebugAndroidTest
+      - name: Gradle assembleDebugAndroidTest
+        run: cd IDE/Android && ls && ./gradlew assembleDebugAndroidTest
+

.github/workflows/main.yml

@@ -118,3 +118,18 @@ jobs:
       jdk_version: ${{ matrix.jdk_version }}
       wolfssl_configure: ${{ matrix.wolfssl_configure }}
 
+  # ----------------------- Android Gradle build ------------------------
+  # Run Android gradle build over PR code, only running on Linux with one
+  # JDK/version for now.
+  android-gradle:
+    strategy:
+      matrix:
+        os: [ 'ubuntu-latest' ]
+        jdk_version: [ '21' ]
+    name: Android Gradle (${{ matrix.os }} Zulu JDK ${{ matrix.jdk_version }})
+    uses: ./.github/workflows/android_gradle.yml
+    with:
+      os: ${{ matrix.os }}
+      jdk_distro: "zulu"
+      jdk_version: ${{ matrix.jdk_version }}
+

IDE/Android/.idea/misc.xml

@@ -13,4 +13,11 @@
   <component name="ProjectType">
     <option name="id" value="Android" />
   </component>
+  <component name="VisualizationToolProject">
+    <option name="state">
+      <ProjectState>
+        <option name="scale" value="1.1" />
+      </ProjectState>
+    </option>
+  </component>
 </project>

IDE/Android/app/build.gradle

@@ -1,11 +1,14 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 30
+    compileSdk 33
     defaultConfig {
         applicationId "com.example.wolfssl"
-        minSdkVersion 30
+        /* Min SDK should stay at 24 to detect if we try to use newer APIs
-        targetSdkVersion 30
+         * than were available in that Android SDK. We have users who are still
+         on SDK 24 (ref ZD 18311) */
+        minSdkVersion 24
+        targetSdkVersion 33
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -15,6 +18,10 @@ android {
             }
         }
     }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
+    }
     buildTypes {
         release {
             minifyEnabled false
@@ -26,14 +33,18 @@ android {
             path "src/main/cpp/CMakeLists.txt"
         }
     }
+    sourceSets {
+        main.java.srcDirs += '../../src/java'
+        test.java.srcDirs += '../../src/test'
+    }
     namespace 'com.example.wolfssl'
 }
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'com.android.support:appcompat-v7:28.0.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    implementation 'com.android.support.constraint:constraint-layout:2.0.4'
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 }

IDE/Android/app/src/main/AndroidManifest.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
-    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.INTERNET"/>
 
     <application
@@ -12,7 +11,7 @@
         android:theme="@style/AppTheme"
         android:requestLegacyExternalStorage="true"
         android:preserveLegacyExternalStorage="true">
-        <activity android:name=".MainActivity">
+        <activity android:name=".MainActivity" android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

IDE/Android/app/src/main/cpp/CMakeLists.txt

@@ -11,6 +11,10 @@ project("wolfssljni-gradle" C ASM)
 set(wolfssljni_DIR ${CMAKE_SOURCE_DIR}/../../../../../../)
 set(wolfssl_DIR    ${CMAKE_SOURCE_DIR}/wolfssl/)
 
+# set warnings as errors, used in this example project but may be different
+# in production apps/environments.
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror")
+
 # ------------------------- wolfSSL Normal vs. FIPS Ready Selection --------------------------------
 # Select if wolfSSL is normal ("normal") or FIPS Ready ("fipsready")
 # wolfSSL FIPS Ready is available for download on the wolfssl.com download page. For more
@@ -222,7 +226,10 @@ list(REMOVE_ITEM TLS_SOURCES ${wolfssl_DIR}/src/ssl_bn.c)
 list(REMOVE_ITEM TLS_SOURCES ${wolfssl_DIR}/src/ssl_asn1.c)
 list(REMOVE_ITEM TLS_SOURCES ${wolfssl_DIR}/src/ssl_certman.c)
 list(REMOVE_ITEM TLS_SOURCES ${wolfssl_DIR}/src/ssl_crypto.c)
+list(REMOVE_ITEM TLS_SOURCES ${wolfssl_DIR}/src/ssl_load.c)
 list(REMOVE_ITEM TLS_SOURCES ${wolfssl_DIR}/src/ssl_misc.c)
+list(REMOVE_ITEM TLS_SOURCES ${wolfssl_DIR}/src/ssl_p7p12.c)
+list(REMOVE_ITEM TLS_SOURCES ${wolfssl_DIR}/src/ssl_sess.c)
 list(REMOVE_ITEM TLS_SOURCES ${wolfssl_DIR}/src/x509.c)
 list(REMOVE_ITEM TLS_SOURCES ${wolfssl_DIR}/src/x509_str.c)
 

IDE/Android/app/src/main/java/com/example/wolfssl/MainActivity.java

@@ -22,10 +22,6 @@
 
 package com.example.wolfssl;
 
-import android.content.Intent;
-import android.net.Uri;
-import android.os.Environment;
-import android.provider.Settings;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.view.View;
@@ -35,17 +31,11 @@ import android.widget.TextView;
 import com.wolfssl.WolfSSL;
 import com.wolfssl.WolfSSLException;
 import com.wolfssl.provider.jsse.WolfSSLProvider;
-import com.wolfssl.provider.jsse.WolfSSLX509;
 
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.security.KeyStore;
-import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
 import java.security.NoSuchProviderException;
 import java.security.Provider;
 import java.security.Security;
-import java.security.cert.CertificateException;
 
 public class MainActivity extends AppCompatActivity {
 
@@ -55,7 +45,7 @@ public class MainActivity extends AppCompatActivity {
             TextView tv = (TextView) findViewById(R.id.sample_text);
 
             try {
-                testLoadCert(tv);
+                testFindProvider(tv);
             } catch (Exception e) {
                 e.printStackTrace();
             }
@@ -72,23 +62,11 @@ public class MainActivity extends AppCompatActivity {
 
         TextView tv = (TextView) findViewById(R.id.sample_text);
         tv.setText("wolfSSL JNI Android Studio Example App");
-
-        if (!Environment.isExternalStorageManager()) {
-            Intent intent = new Intent(
-                Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION);
-            Uri uri = Uri.fromParts("package", getPackageName(), null);
-            intent.setData(uri);
-            startActivity(intent);
-        }
     }
 
-    public void testLoadCert(TextView tv)
+    public void testFindProvider(TextView tv)
             throws NoSuchProviderException, NoSuchAlgorithmException,
-                   KeyStoreException, IOException, CertificateException,
                    WolfSSLException {
-        String file = "/sdcard/examples/provider/all.bks";
-        WolfSSLX509 x509;
-        KeyStore ks;
 
         WolfSSL.loadLibrary();
 
@@ -100,11 +78,8 @@ public class MainActivity extends AppCompatActivity {
             System.out.println("Unable to find wolfJSSE provider");
             return;
         }
+        else {
 
-        ks = KeyStore.getInstance("BKS");
+        }
-        ks.load(new FileInputStream(file), "wolfSSL test".toCharArray());
-
-        x509 = new WolfSSLX509(ks.getCertificate("server").getEncoded());
-        tv.setText("Server Certificate Found:\n" + x509.toString());
     }
 }

IDE/Android/app/src/main/res/layout/activity_main.xml

@@ -8,9 +8,13 @@
 
     <Button
         android:id="@+id/button"
-        android:layout_width="match_parent"
+        android:layout_width="320dp"
         android:layout_height="wrap_content"
-        android:text="Load Cert File" />
+        android:text="Test Provider Lookup"
+        app:layout_constraintBottom_toTopOf="@+id/sample_text"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 
     <TextView
         android:id="@+id/sample_text"
@@ -19,6 +23,7 @@
         android:layout_marginTop="16dp"
         android:paddingVertical="16pt"
         android:text="Hello World!"
+        android:textColor="#000000"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintHorizontal_bias="0.461"
         app:layout_constraintLeft_toLeftOf="parent"

IDE/Android/build.gradle

@@ -18,7 +18,12 @@ allprojects {
     repositories {
         google()
         jcenter()
-        
+    }
+    gradle.projectsEvaluated {
+        tasks.withType(JavaCompile) {
+            options.compilerArgs << "-Xlint:all" << "-Werror"
+            options.deprecation = false
+        }
     }
 }
 

IDE/Android/gradle.properties

@@ -6,7 +6,6 @@
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-android.defaults.buildfeatures.buildconfig=true
 android.nonFinalResIds=false
 android.nonTransitiveRClass=false
 org.gradle.jvmargs=-Xmx1536m