feat(gui): improve smali printer to show bytecode (#1114) (PR #1126)

* improve smali printer to show bytecode
* set insnStart position before start decoding
* swithed line 62 and line 63, to get the proper bytes, insnStart must to be set before start to decode.

Co-authored-by: tobias <tobias.hotmail.com>

jadx-plugins/jadx-plugins-api/src/main/java/jadx/api/plugins/input/data/IClassData.java

@@ -31,4 +31,6 @@ public interface IClassData {
 	List<IAnnotation> getAnnotations();
 
 	String getDisassembledCode();
+
+	String getDisassembledCodeV2();
 }

jadx-plugins/jadx-plugins-api/src/main/java/jadx/api/plugins/input/data/impl/FieldRefHandle.java

@@ -34,4 +34,9 @@ public class FieldRefHandle implements IMethodHandle {
 	public void load() {
 		// already loaded
 	}
+
+	@Override
+	public String toString() {
+		return type + ": " + fieldRef;
+	}
 }

jadx-plugins/jadx-plugins-api/src/main/java/jadx/api/plugins/input/insns/InsnData.java

@@ -2,19 +2,21 @@ package jadx.api.plugins.input.insns;
 
 import org.jetbrains.annotations.Nullable;
 
-import jadx.api.plugins.input.data.ICallSite;
-import jadx.api.plugins.input.data.IFieldData;
-import jadx.api.plugins.input.data.IMethodRef;
+import jadx.api.plugins.input.data.*;
 import jadx.api.plugins.input.insns.custom.ICustomPayload;
 
 public interface InsnData {
 
 	void decode();
 
-	int getOffset();
+	int getOffset(); // offset within method
+
+	int getFileOffset(); // offset within dex file
 
 	Opcode getOpcode();
 
+	byte[] getByteCode();
+
 	InsnIndexType getIndexType();
 
 	int getRawOpcodeUnit();
@@ -39,6 +41,10 @@ public interface InsnData {
 
 	ICallSite getIndexAsCallSite();
 
+	IMethodProto getIndexAsProto(int protoIndex);
+
+	IMethodHandle getIndexAsMethodHandle();
+
 	@Nullable
 	ICustomPayload getPayload();
 }