Commit

app/.gitignore

@@ -0,0 +1,2 @@
+/build
+/release

app/build.gradle

@@ -0,0 +1,61 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    namespace 'run.evan.gost'
+    compileSdk 32
+
+    defaultConfig {
+        applicationId "run.evan.gost"
+        minSdk 26
+        targetSdk 32
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    packagingOptions {
+        jniLibs {
+            useLegacyPackaging true
+        }
+    }
+
+}
+
+
+task nativeLibsToJar(type: Jar, description: 'create a jar archive of the native libs') {
+    destinationDir file("$buildDir/native-libs")
+    baseName 'native-libs'
+    from fileTree(dir: 'mybins', include: '**/*')
+    into 'lib/'
+}
+tasks.withType(JavaCompile)
+        {
+            compileTask -> compileTask.dependsOn(nativeLibsToJar)
+        }
+
+
+dependencies {
+    implementation fileTree(dir: "$buildDir/native-libs", include: 'native-libs.jar')
+    implementation 'androidx.appcompat:appcompat:1.5.1'
+    implementation 'com.google.android.material:material:1.7.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.4'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.0'
+}
+
+
+

app/mybins/.gitignore

@@ -0,0 +1 @@
+*.so

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/run/evan/gost/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package run.evan.gost;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("run.evan.gost", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Gost"
+        android:extractNativeLibs="true"
+        tools:targetApi="31">
+
+
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.app.lib_name"
+                android:value="" />
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/run/evan/gost/MainActivity.java

@@ -0,0 +1,300 @@
+package run.evan.gost;
+
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.content.SharedPreferences;
+import android.content.res.ColorStateList;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.text.InputType;
+import android.text.method.ScrollingMovementMethod;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Spinner;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.lang.ref.WeakReference;
+import java.util.Map;
+
+public class MainActivity extends AppCompatActivity {
+
+    Button btnSave;
+
+    Button btnDelete;
+
+    Button btnStart;
+
+    EditText textView1;
+
+    EditText configEditText;
+
+    Process process;
+
+    SharedPreferences configPreferences;
+
+    SharedPreferences appPreferences;
+
+    ArrayAdapter<String> starAdapter;
+
+    MyHandler handler = new MyHandler(this);
+
+    private static final String TAG = "run.evan.gost";
+
+
+    private static class MyHandler extends Handler {
+
+
+        private WeakReference<MainActivity> weakReference;
+
+        public MyHandler(MainActivity activity) {
+            this.weakReference = new WeakReference(activity);
+        }
+
+        @Override
+        public void handleMessage(Message msg) {
+            MainActivity activity = weakReference.get();
+            super.handleMessage(msg);
+
+
+            if (null != activity) {
+                switch (msg.what) {
+                    case 1:
+                        activity.textView1.append(msg.obj.toString());
+                        activity.textView1.setSelection(activity.textView1.getText().length());
+                        break;
+                    case 2:
+                        activity.btnStart.setText(R.string.btn_stop);
+                        activity.btnStart.setBackgroundTintList(ColorStateList.valueOf(-1499549));
+                        break;
+                    case 3:
+                        activity.btnStart.setText(R.string.btn_start);
+                        activity.btnStart.setBackgroundTintList(ColorStateList.valueOf(-11751600));
+                    default:
+                }
+            }
+        }
+    }
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        textView1 = findViewById(R.id.textView);
+        textView1.setMovementMethod(ScrollingMovementMethod.getInstance());
+        configEditText = findViewById(R.id.configEditText);
+        configPreferences = getSharedPreferences("config", MODE_PRIVATE);
+        appPreferences = getSharedPreferences("app", MODE_PRIVATE);
+
+
+        Spinner sp = findViewById(R.id.spinner);
+        starAdapter = new ArrayAdapter<String>(this, R.layout.item_select);
+        starAdapter.setDropDownViewResource(R.layout.item_dropdown);
+        sp.setAdapter(starAdapter);
+        reloadConfig();
+        //给下拉框设置选择监听器，一旦用户选中某一项，就触发监听器的onItemSelected方法
+        sp.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+            @Override
+            public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
+                configEditText.setText(configPreferences.getString(adapterView.getSelectedItem().toString(), ""));
+            }
+
+            @Override
+            public void onNothingSelected(AdapterView<?> adapterView) {
+                configEditText.setText("");
+            }
+        });
+
+
+        btnSave = findViewById(R.id.button1);
+        btnDelete = findViewById(R.id.button2);
+        btnStart = findViewById(R.id.button3);
+        MainActivity mainActivity = this;
+        btnSave.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+
+                String config = configEditText.getText().toString();
+                if ("".contains(config)) {
+                    Toast.makeText(getApplicationContext(), R.string.toast_tip_config_empty, Toast.LENGTH_LONG).show();
+                    return;
+                }
+
+                AlertDialog.Builder builder = new AlertDialog.Builder(mainActivity);
+                builder.setTitle(R.string.title_config_box);
+                final EditText input = new EditText(mainActivity);
+                input.setInputType(InputType.TYPE_CLASS_TEXT);
+                Object selectedItem = sp.getSelectedItem();
+                input.setText(selectedItem == null ? "" : selectedItem.toString());
+                builder.setView(input);
+
+                builder.setPositiveButton(R.string.title_btn_save, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        String configName = input.getText().toString();
+                        if ("".contains(configName)) {
+                            Toast.makeText(getApplicationContext(), R.string.toast_tip_empty, Toast.LENGTH_LONG).show();
+                            return;
+                        }
+                        SharedPreferences.Editor edit = configPreferences.edit();
+                        edit.putString(configName, config);
+                        edit.apply();
+                        reloadConfig();
+                    }
+                });
+                builder.setNegativeButton(R.string.title_btn_cancel, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.cancel();
+                    }
+                });
+
+                builder.show();
+
+
+            }
+        });
+
+        btnDelete.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+
+                if (null == sp.getSelectedItem()) {
+                    Toast.makeText(getApplicationContext(), R.string.tip_config_not_selected, Toast.LENGTH_LONG).show();
+                    return;
+                }
+
+                AlertDialog.Builder builder = new AlertDialog.Builder(mainActivity);
+                builder.setTitle(R.string.title_confirm);
+                builder.setPositiveButton(R.string.title_yes, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        String key = sp.getSelectedItem().toString();
+                        SharedPreferences.Editor edit = configPreferences.edit();
+                        edit.remove(key);
+                        edit.apply();
+                        reloadConfig();
+                    }
+                });
+                builder.setNegativeButton(R.string.title_no, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.cancel();
+                    }
+                });
+
+                builder.show();
+            }
+        });
+
+        btnStart.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                String basedir = getApplication().getApplicationInfo().nativeLibraryDir;
+                String config = configEditText.getText().toString();
+
+                if (process == null) {
+                    if ("".contains(config)) {
+                        Toast.makeText(getApplicationContext(), R.string.toast_tip_config_empty, Toast.LENGTH_LONG).show();
+                        return;
+                    }
+                    new Thread(new Runnable() {
+                        @Override
+                        public void run() {
+
+                            try {
+
+                                process = Runtime.getRuntime().exec(basedir + "/libgost.so " + config);
+                                BufferedReader successResult = new BufferedReader(new InputStreamReader(process.getInputStream()));
+                                BufferedReader errorResult = new BufferedReader(new InputStreamReader(process.getErrorStream()));
+
+
+                                new Thread(new Runnable() {
+                                    @Override
+                                    public void run() {
+                                        try {
+                                            String s;
+                                            while ((s = successResult.readLine()) != null) {
+                                                if (s.startsWith("WARNING: linker:")) {
+                                                    continue;
+                                                }
+                                                sendTextToUI(s + "\n");
+                                            }
+                                        } catch (Exception e) {
+
+                                        }
+                                    }
+                                }).start();
+
+                                new Thread(new Runnable() {
+                                    @Override
+                                    public void run() {
+                                        try {
+                                            String s;
+                                            while ((s = errorResult.readLine()) != null) {
+                                                if (s.startsWith("WARNING: linker:")) {
+                                                    continue;
+                                                }
+                                                sendTextToUI(s + "\n");
+                                            }
+                                        } catch (Exception e) {
+
+                                        }
+                                    }
+                                }).start();
+
+                                Message msg = new Message();
+                                msg.what = 2;
+                                handler.sendMessage(msg);
+
+                                process.waitFor();
+                                process.destroy();
+                                process = null;
+                                Message msg2 = new Message();
+                                msg2.what = 3;
+                                handler.sendMessage(msg2);
+
+                            } catch (Exception e) {
+                                sendTextToUI(e.getMessage());
+                                Message msg = new Message();
+                                msg.what = 3;
+                                handler.sendMessage(msg);
+                            }
+                        }
+                    }).start();
+
+                } else {
+                    process.destroy();
+                }
+
+
+            }
+        });
+
+    }
+
+    private void reloadConfig() {
+        starAdapter.clear();
+        Map<String, ?> all = configPreferences.getAll();
+        for (String s : all.keySet()) {
+            starAdapter.add(s);
+        }
+    }
+
+    private void sendTextToUI(String str) {
+        Message msg = new Message();
+        msg.what = 1;
+        msg.obj = str;
+        handler.sendMessage(msg);
+    }
+
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

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

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:layout_marginLeft="10dp"
+        android:layout_marginRight="10dp"
+        android:layout_marginTop="10dp"
+        tools:layout_editor_absoluteX="1dp"
+        tools:layout_editor_absoluteY="1dp">
+
+        <TextView
+            android:id="@+id/textTipConfig"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/text_tip_config" />
+
+        <Spinner
+            android:id="@+id/spinner"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:spinnerMode="dropdown" />
+
+        <EditText
+            android:id="@+id/configEditText"
+            android:layout_width="match_parent"
+            android:layout_height="120dp"
+            android:ems="10"
+            android:gravity="start|top"
+            android:scrollbars="vertical"
+            android:inputType="textMultiLine" />
+
+        <Button
+            android:id="@+id/button1"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textAllCaps="false"
+            android:text="@string/btn_save" />
+
+        <Button
+            android:id="@+id/button2"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/btn_del"
+            android:textAllCaps="false" />
+
+        <Button
+            android:id="@+id/button3"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:backgroundTint="#4CAF50"
+            android:text="@string/btn_start"
+            android:textAllCaps="false" />
+
+        <EditText
+            android:id="@+id/textView"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:enabled="false"
+            android:gravity="start|top"
+            android:inputType="textMultiLine"
+            android:scrollbars="vertical"
+            android:textSize="10sp" />
+
+    </LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/item_dropdown.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="45dp"
+    android:textColor="@android:color/black"
+    android:textSize="14sp"
+    android:gravity="center"/>

app/src/main/res/layout/item_select.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" />

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/values-zh-rCN/strings.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Gost安卓版</string>
+    <string name="btn_save">保存配置</string>
+    <string name="btn_del">删除配置</string>
+    <string name="btn_start">启动</string>
+    <string name="btn_stop">停止</string>
+    <string name="text_tip_config">配置</string>
+    <string name="title_config_box">保存配置</string>
+    <string name="title_btn_save">保存</string>
+    <string name="title_btn_cancel">取消</string>
+    <string name="toast_tip_empty">配置名为空</string>
+    <string name="toast_tip_config_empty">配置为空</string>
+    <string name="title_confirm">确认删除</string>
+    <string name="title_yes">是</string>
+    <string name="title_no">否</string>
+    <string name="tip_config_not_selected">未选择配置</string>
+</resources>

app/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#1D1D1D</color>
+    <color name="colorPrimaryDark">#1D1D1D</color>
+    <color name="colorAccent">#D81B60</color>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,17 @@
+<resources>
+    <string name="app_name">Gost</string>
+    <string name="btn_save">Save</string>
+    <string name="btn_del">Delete</string>
+    <string name="btn_start">Start</string>
+    <string name="btn_stop">Stop</string>
+    <string name="text_tip_config">Config</string>
+    <string name="title_config_box">Save Config</string>
+    <string name="title_btn_save">Save</string>
+    <string name="title_btn_cancel">Cancel</string>
+    <string name="toast_tip_empty">Config name is empty</string>
+    <string name="toast_tip_config_empty">Config is empty</string>
+    <string name="title_confirm">Confirm delete</string>
+    <string name="title_yes">Yes</string>
+    <string name="title_no">No</string>
+    <string name="tip_config_not_selected">No config selected</string>
+</resources>

app/src/main/res/values/themes.xml

@@ -0,0 +1,8 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Gost" parent="Theme.AppCompat.Light.DarkActionBar">
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+</resources>

app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>

app/src/test/java/run/evan/gost/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package run.evan.gost;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}