Remove ClassGenerator(ctor), update proguard cfg, update version

Author: duangsuse

app/build.gradle

@@ -15,8 +15,8 @@ android {
         applicationId "org.duangsuse.tree"
         minSdkVersion 14
         targetSdkVersion 27
-        versionCode 2
-        versionName '1.1-萘'
+        versionCode 3
+        versionName '1.2-钠'
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         signingConfig signingConfigs.config
     }
@@ -33,7 +33,7 @@ android {
         }
     }
     lintOptions {
-        disable 'MissingApplicationIcon', 'GoogleAppIndexingWarning', 'AllowBackup'
+        disable 'MissingApplicationIcon', 'GoogleAppIndexingWarning', 'AllowBackup', 'UnusedAttribute'
     }
     productFlavors {
     }
@@ -50,4 +50,4 @@ dependencies {
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.1'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
-}
+}

app/proguard-rules.pro

@@ -25,5 +25,7 @@
 -dontnote org.apache.http.**
 -dontnote android.net.http.**
 -dontnote bsh.ClassGenerator
+-dontnote bsh.BshClassManager
 -keep class org.duangsuse.** { *; }
--keep class bsh.** { *; }
+-keep class bsh.** { *; }
+-keepclassmembers class android.os.Build { int SDK_INT; }

app/src/main/java/bsh/ClassGenerator.java

@@ -7,16 +7,7 @@ public abstract class ClassGenerator {
     private static ClassGenerator cg;
 
     public static ClassGenerator getClassGenerator() throws UtilEvalError {
-        if (cg == null) {
-            try {
-                Class clas = Class.forName("bsh.ClassGeneratorImpl");
-                cg = (ClassGenerator) clas.newInstance();
-            } catch (Exception e) {
-                throw new Unavailable("类生成器不可用: " + e);
-            }
-        }
-
-        return cg;
+        throw new Unavailable("类生成器不可用");
     }
 
     /** Parse the BSHBlock for the class definition and generate the class. */

app/src/main/java/org/duangsuse/tree/ExecActivity.java

@@ -15,6 +15,7 @@
 import android.os.Bundle;
 import android.view.View;
 import android.view.View.OnLongClickListener;
+import android.view.Gravity;
 import android.widget.EditText;
 
 import java.util.Locale;
@@ -33,6 +34,7 @@ protected void onCreate(Bundle savedInstanceState) {
         if (getActionBar() != null)
             getActionBar().setIcon(drawable.ic_secure);
         textBackground = new EditText(this);
+        textBackground.setGravity(Gravity.TOP);
         textBackground.setText("Loading info...");
         setContentView(textBackground);
         try {