Fixed crash Fatal Exception: java.lang.NullPointerException

            Attempt to invoke interface method 'void com.duy.ide.editor.IEditorDelegate.setSuggestionProvider(com.duy.ide.code.api.SuggestionProvider)' on a null object reference

Author: tranleduy2000

aosp/gradle/build.gradle

@@ -27,5 +27,6 @@ dependencies {
     api group: 'org.gradle', name: 'gradle-core', version: '3.0'
 
     testImplementation 'junit:junit:4.12'
-    testImplementation 'commons-io:commons-io:2.4'
+    //noinspection GradleDependency
+    testImplementation 'commons-io:commons-io:2.3'
 }

app/build.gradle

@@ -11,8 +11,8 @@ android {
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
         multiDexEnabled true
-        versionCode 43
-        versionName "1.4.3"
+        versionCode 44
+        versionName "1.4.4"
         vectorDrawables.useSupportLibrary = true
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
@@ -112,7 +112,8 @@ dependencies {
     api 'com.makeramen:roundedimageview:2.2.1'
     api 'com.yqritc:recyclerview-flexibledivider:1.2.9'
     api 'com.sothree.slidinguppanel:library:3.4.0'
-    api 'commons-io:commons-io:2.6'
+    //noinspection GradleDependency newer version cause crash
+    api 'commons-io:commons-io:2.3'
     api 'com.simplecityapps:recyclerview-fastscroll:1.0.18'
     api 'org.apache.commons:commons-lang3:3.7'
     api 'com.google.guava:guava:25.1-android'

app/src/main/java/com/duy/ide/javaide/JavaIdeActivity.java

@@ -121,9 +121,11 @@ public void onEditorViewDestroyed(@NonNull IEditorDelegate editorDelegate) {
 
     }
 
-    private void populateAutoCompleteService(SuggestionProvider provider) {
+    private void populateAutoCompleteService(@NonNull SuggestionProvider provider) {
         for (IEditorDelegate delegate : getTabManager().getEditorPagerAdapter().getAllEditor()) {
-            delegate.setSuggestionProvider(provider);
+            if (delegate != null) {
+                delegate.setSuggestionProvider(provider);
+            }
         }
     }
 

lib-android-compiler/build.gradle

@@ -52,7 +52,8 @@ dependencies {
     api "com.android.support:support-v4:$supportLibVersion"
 
     api 'com.google.guava:guava:25.1-android'
-    api 'commons-io:commons-io:2.6'
+    //noinspection GradleDependency newer version cause crash
+    api 'commons-io:commons-io:2.3'
     api 'commons-codec:commons-codec:1.10'
     api 'org.apache.maven:maven-project:2.2.1'
     api 'org.codehaus.plexus:plexus-archiver:3.6.0'