Add Android App without objc glue

Android/app/.gitignore

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+/build

Android/app/CMakeLists.txt

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+# For more information about using CMake with Android Studio, read the
+# documentation: https://d.android.com/studio/projects/add-native-code.html
+
+# Sets the minimum version of CMake required to build the native library.
+
+cmake_minimum_required(VERSION 3.4.1)
+
+# Creates and names a library, sets it as either STATIC
+# or SHARED, and provides the relative paths to its source code.
+# You can define multiple libraries, and CMake builds them for you.
+# Gradle automatically packages shared libraries with your APK.
+
+add_library( # Sets the name of the library.
+             native-lib
+
+             # Sets the library as a shared library.
+             SHARED
+
+             # Provides a relative path to your source file(s).
+             src/main/jni/native-lib.m )
+
+# Searches for a specified prebuilt library and stores the path as a
+# variable. Because CMake includes system libraries in the search path by
+# default, you only need to specify the name of the public NDK library
+# you want to add. CMake verifies that the library exists before
+# completing its build.
+
+find_library( # Sets the name of the path variable.
+              log-lib
+
+              # Specifies the name of the NDK library that
+              # you want CMake to locate.
+              log )
+
+# Specifies libraries CMake should link to your target library. You
+# can link multiple libraries, such as libraries you define in this
+# build script, prebuilt third-party libraries, or system libraries.
+
+target_link_libraries( # Specifies the target library.
+                       native-lib
+
+                       # Links the target library to the log library
+                       # included in the NDK.
+                       ${log-lib} )

Android/app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 26
+    buildToolsVersion "26.0.1"
+    defaultConfig {
+        applicationId "mimoja.abfackeln.jetzt.scryptpwgen"
+        minSdkVersion 15
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        externalNativeBuild {
+            cmake {
+                cppFlags ""
+            }
+        }
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    externalNativeBuild {
+        cmake {
+            path "CMakeLists.txt"
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    compile 'com.android.support:appcompat-v7:26.+'
+    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    compile 'com.android.support:design:26.+'
+    testCompile 'junit:junit:4.12'
+}

Android/app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /home/mimoja/Android/Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# 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

Android/app/src/androidTest/java/mimoja/abfackeln/jetzt/scryptpwgen/ExampleInstrumentedTest.java

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+package mimoja.abfackeln.jetzt.scryptpwgen;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation 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() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("mimoja.abfackeln.jetzt.scryptpwgen", appContext.getPackageName());
+    }
+}

Android/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="mimoja.abfackeln.jetzt.scryptpwgen">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/app_name"
+            android:theme="@style/AppTheme.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

Android/app/src/main/java/mimoja/abfackeln/jetzt/scryptpwgen/MainActivity.java

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+package mimoja.abfackeln.jetzt.scryptpwgen;
+
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.support.v7.app.AlertDialog;
+import android.text.InputType;
+import android.view.ContextMenu;
+import android.view.MenuInflater;
+import android.view.textclassifier.TextClassification;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.EditText;
+import android.widget.ListView;
+import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.View;
+import android.view.MenuItem;
+import android.widget.PopupWindow;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class MainActivity extends AppCompatActivity {
+
+    // Used to load the 'native-lib' library on application startup.
+    static {
+        System.loadLibrary("native-lib");
+    }
+
+    List<String> mKnownSites = null;
+    ArrayAdapter<String> mAdapter = null;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+
+        //Fetch known sites
+        final SharedPreferences sharedPref = getPreferences(Context.MODE_PRIVATE);
+        Set<String> savedSites = sharedPref.getStringSet("knownSites", new HashSet<String>());
+        mKnownSites = new ArrayList<>(savedSites);
+
+        //Get Handle to List
+        ListView siteListView = (ListView) findViewById(R.id.siteList);
+        registerForContextMenu(siteListView);
+        mAdapter  = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, mKnownSites);
+        siteListView.setAdapter(mAdapter);
+
+        for (String site : savedSites) {
+            mAdapter.add(site);
+        }
+
+        mAdapter.notifyDataSetChanged();
+
+        // site List
+        siteListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> adapterView, final View view, int i, long l) {
+
+                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
+                builder.setTitle("Choose an action")
+                        .setItems(R.array.actions, new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog, int which) {
+                                final String chosen = ((TextView)view).getText().toString();
+                                final EditText userInput = new EditText(MainActivity.this);
+                                userInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
+                                switch (which){
+                                    case 0:
+                                        createTextDialog(userInput, new DialogInterface.OnClickListener() {
+                                            public void onClick(DialogInterface dialog, int id) {
+                                                String masterPasswd = userInput.getText().toString();
+                                                String passwd = generatePassword(chosen, masterPasswd);
+                                                ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
+                                                clipboard.setText(passwd);
+                                                Toast.makeText(MainActivity.this, "Password generated", Toast.LENGTH_LONG).show();
+                                            }
+                                        });
+                                        break;
+                                    case 1:
+                                        createTextDialog(userInput, new DialogInterface.OnClickListener() {
+                                            public void onClick(DialogInterface dialog, int id) {
+                                                String masterPasswd = userInput.getText().toString();
+                                                String passwd = generatePassword(chosen, masterPasswd);
+                                                AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(MainActivity.this);
+                                                alertDialogBuilder.setTitle(passwd).setCancelable(true).show();
+                                                Toast.makeText(MainActivity.this, "Password generated", Toast.LENGTH_LONG).show();
+                                            }
+                                        });
+
+                                        break;
+                                    case 2:
+                                        mAdapter.remove(chosen);
+                                        saveItemList();
+                                        Toast.makeText(MainActivity.this, "Deleted", Toast.LENGTH_LONG).show();
+                                        break;
+                                }
+                            }
+                        });
+                builder.create().show();
+
+            }
+        });
+
+        // Add button
+        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                final EditText userInput = new EditText(MainActivity.this);
+                createTextDialog(userInput, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        String site = userInput.getText().toString();
+                        if(site.length() != 0){
+                            //Show on screen
+                            if(mKnownSites.contains(site)){
+                                Toast.makeText(MainActivity.this, "Already cointained", Toast.LENGTH_LONG).show();
+                                return;
+                            }
+                            mKnownSites.add(site);
+                            saveItemList();
+                        }
+                    }
+                });
+            }
+        });
+
+    }
+
+    public void createTextDialog(EditText userInput, DialogInterface.OnClickListener listener){
+
+        final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(MainActivity.this);
+        alertDialogBuilder.setView(userInput);
+        alertDialogBuilder
+                .setCancelable(false)
+                .setPositiveButton("Go",listener)
+                .setNegativeButton("Cancel",
+                        new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog,int id) {
+                                dialog.dismiss();
+                            }
+                        }
+                );
+
+        AlertDialog alertDialog = alertDialogBuilder.create();
+        alertDialog.show();
+        userInput.requestFocus();
+    }
+
+    public void saveItemList(){
+        mAdapter.notifyDataSetChanged();
+
+        final SharedPreferences sharedPref = getPreferences(Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = sharedPref.edit();
+        editor.clear();
+        editor.putStringSet("knownSites", new HashSet<>(mKnownSites));
+        editor.commit();
+    }
+
+    public native String generatePassword(String site, String password);
+}

Android/app/src/main/jni/native-lib.m

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+#include <jni.h>
+
+JNIEXPORT jstring JNICALL
+Java_mimoja_abfackeln_jetzt_scryptpwgen_MainActivity_generatePassword(JNIEnv *env, jobject instance,
+                                                                      jstring site_,
+                                                                      jstring password_) {
+    const char *site = (*env)->GetStringUTFChars(env, site_, 0);
+    const char *password = (*env)->GetStringUTFChars(env, password_, 0);
+
+    const char *returnPassword = "Fix me in native-lib.m";
+
+    (*env)->ReleaseStringUTFChars(env, site_, site);
+    (*env)->ReleaseStringUTFChars(env, password_, password);
+
+    return (*env)->NewStringUTF(env, returnPassword);
+}

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

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+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout 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="mimoja.abfackeln.jetzt.scryptpwgen.MainActivity">
+
+    <android.support.design.widget.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <android.support.v7.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </android.support.design.widget.AppBarLayout>
+
+    <include layout="@layout/content_main" />
+
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/fab"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="@dimen/fab_margin"
+        app:srcCompat="@android:drawable/ic_input_add" />
+
+</android.support.design.widget.CoordinatorLayout>

Android/app/src/main/res/layout/content_main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.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"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:context="mimoja.abfackeln.jetzt.scryptpwgen.MainActivity"
+    tools:showIn="@layout/activity_main">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_weight="2"
+        android:fillViewport="true"
+        android:gravity="top" >
+        <ListView
+            android:id="@+id/siteList"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            />
+    </ScrollView>
+</android.support.constraint.ConstraintLayout>

Android/app/src/main/res/menu/menu_main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<menu 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"
+    tools:context="com.javacodegeeks.android.menu.MainActivity" >
+    <item
+        android:id ="@+id/generateAndCopy"
+        android:title ="Generate password and copy to clipboard"/>
+    <item
+        android:id ="@+id/generateAndShow"
+        android:title ="Generate password and show"/>
+    <item
+        android:id ="@+id/delete"
+        android:title ="Remove"/>
+
+</menu>

Android/app/src/main/res/values/arrays.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string-array name="actions">
+        <item>Generate password and copy to clipboard</item>
+        <item>Generate password and show</item>
+        <item>Remove</item>
+    </string-array>
+</resources>

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

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#4081FF</color>
+</resources>

Android/app/src/main/res/values/dimens.xml

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+<resources>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>

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

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+<resources>
+    <string name="app_name">SCryptPWGen</string>
+    <string name="action_settings">Settings</string>
+</resources>

Android/app/src/main/res/values/styles.xml

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+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+
+</resources>

Android/app/src/test/java/mimoja/abfackeln/jetzt/scryptpwgen/ExampleUnitTest.java

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+package mimoja.abfackeln.jetzt.scryptpwgen;
+
+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() throws Exception {
+        assertEquals(4, 2 + 2);
+    }
+}