Removed SDL2 and created JNI interface (Android Only)

android/project/AndroidManifest.xml

@@ -1,18 +1,17 @@
 <?xml version="1.0"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="org.libsdl.app" android:versionCode="1" android:versionName="1.0">
-
-   <uses-sdk android:minSdkVersion="16"/>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.otclient.mobile" android:versionCode="1" android:versionName="1.0">
 
     <application 
-				android:debuggable="true"
+                android:debuggable="true"
 				android:label="@string/app_name"
                 android:icon="@drawable/ic_launcher"
                 android:hardwareAccelerated="true" >
 
-        <activity android:name="SDLActivity"
+        <activity android:name="MainActivity"
                 android:label="@string/app_name"
                 android:theme="@android:style/Theme.NoTitleBar.Fullscreen" 
-                android:configChanges="orientation|keyboardHidden">
+                android:configChanges="orientation|keyboardHidden"
+                android:screenOrientation="landscape">
 
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
@@ -24,7 +23,7 @@
     </application>
 
     <!-- Android 2.3.3 -->
-    <uses-sdk android:minSdkVersion="10" android:targetSdkVersion="12"/>
+    <uses-sdk android:minSdkVersion="9" android:targetSdkVersion="16"/>
 
     <!-- OpenGL ES 2.0 -->
     <uses-feature android:glEsVersion="0x00020000"/>

android/project/jni/Android.mk

@@ -3,9 +3,4 @@ LOCAL_PATH := $(call my-dir)
 include $(CLEAR_VARS)
 LOCAL_MODULE    := libotclient
 LOCAL_SRC_FILES := libotclient.so
-include $(PREBUILT_SHARED_LIBRARY)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE    := libSDL2
-LOCAL_SRC_FILES := libSDL2.so
 include $(PREBUILT_SHARED_LIBRARY)

android/project/jni/Application.mk

@@ -1,2 +1,2 @@
-APP_PLATFORM := android-16
+APP_PLATFORM := android-9
 APP_ABI := armeabi-v7a

android/project/res/values/strings.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">OTClientMob</string>
+    <string name="app_name">OTClient</string>
 </resources>

android/project/src/com/otclient/mobile/FakeEditText.java

@@ -0,0 +1,52 @@
+package com.otclient.mobile;
+
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputConnection;
+
+public class FakeEditText extends View implements View.OnKeyListener {
+    InputConnection ic;
+
+    public FakeEditText() {
+        super(MainActivity.getInstance());
+        setFocusableInTouchMode(true);
+        setFocusable(true);
+        setOnKeyListener(this);
+    }
+
+    @Override
+    public boolean onCheckIsTextEditor() {
+        return true;
+    }
+
+    @Override // This handles the hardware keyboard input
+    public boolean onKey(View v, int keyCode, KeyEvent event) {
+        if (event.isPrintingKey()) {
+            if (event.getAction() == KeyEvent.ACTION_DOWN) {
+                ic.commitText(String.valueOf((char) event.getUnicodeChar()), 1);
+            }
+            return true;
+        }
+
+        if (event.getAction() == KeyEvent.ACTION_DOWN) {
+            onNativeKeyDown(keyCode);
+            return true;
+        } else if (event.getAction() == KeyEvent.ACTION_UP) {
+            onNativeKeyUp(keyCode);
+            return true;
+        }
+
+        return false;
+    }   
+    
+    @Override
+    public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
+        ic = new InputConnectionForNative(this, true);
+        
+        return ic;
+    }
+
+    public static native void onNativeKeyDown(int keyCode);
+    public static native void onNativeKeyUp(int keyCode);
+}

android/project/src/com/otclient/mobile/InputConnectionForNative.java

@@ -0,0 +1,47 @@
+package com.otclient.mobile;
+
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.inputmethod.BaseInputConnection;
+
+public class InputConnectionForNative extends BaseInputConnection {
+
+    public InputConnectionForNative(View targetView, boolean fullEditor) {
+        super(targetView, fullEditor);
+    }
+    
+    @Override // This handles the keycodes from soft keyboard
+    public boolean sendKeyEvent(KeyEvent event) {
+        int keyCode = event.getKeyCode();
+        if (event.getAction() == KeyEvent.ACTION_DOWN) {
+            if (event.isPrintingKey()) {
+                commitText(String.valueOf((char) event.getUnicodeChar()), 1);
+            }
+            FakeEditText.onNativeKeyDown(keyCode);
+            return true;
+        } else if (event.getAction() == KeyEvent.ACTION_UP) {
+            FakeEditText.onNativeKeyUp(keyCode);
+            return true;
+        }
+        return super.sendKeyEvent(event);
+    }
+
+    @Override // Typed text
+    public boolean commitText(CharSequence text, int newCursorPosition) {
+        nativeCommitText(text.toString(), newCursorPosition);
+
+        return super.commitText(text, newCursorPosition);
+    }
+    
+    @Override // Workaround to capture backspace key
+    public boolean deleteSurroundingText(int beforeLength, int afterLength) {       
+        if (beforeLength == 1 && afterLength == 0) {
+            return super.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL))
+                && super.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_DEL));
+        }
+
+        return super.deleteSurroundingText(beforeLength, afterLength);
+    }
+
+    public static native void nativeCommitText(String text, int newCursorPosition);
+}

android/project/src/com/otclient/mobile/KeyboardSoftHandler.java

@@ -0,0 +1,33 @@
+package com.otclient.mobile;
+
+import android.content.Context;
+import android.view.View;
+import android.view.inputmethod.InputMethodManager;
+
+public class KeyboardSoftHandler{
+    private View editText;
+
+    public KeyboardSoftHandler() {
+        editText = new FakeEditText();
+        MainActivity.getInstance()
+            .addViewToLayout(editText);
+    }
+    
+    public void showKeyboardSoft() {
+        editText.setVisibility(View.VISIBLE);
+        editText.requestFocus();
+
+        InputMethodManager imm = (InputMethodManager) MainActivity
+                .getInstance().getSystemService(Context.INPUT_METHOD_SERVICE);
+        imm.showSoftInput(editText, 0);
+    }
+
+    public void hideKeyboardSoft() {
+        editText.setVisibility(View.GONE);
+
+        InputMethodManager imm = (InputMethodManager) MainActivity
+                .getInstance().getSystemService(
+                        Context.INPUT_METHOD_SERVICE);
+        imm.hideSoftInputFromWindow(editText.getWindowToken(), 0);
+    }
+}

android/project/src/com/otclient/mobile/MainActivity.java

@@ -0,0 +1,110 @@
+package com.otclient.mobile;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.view.View;
+import android.widget.RelativeLayout;
+import android.widget.RelativeLayout.LayoutParams;
+
+public class MainActivity extends Activity {
+    public static final String APP_TAG = "OTClientMob";
+    
+    private static MainActivity instance;    
+    private RelativeLayout layout;
+    
+    private static boolean started;
+        
+    static {
+        started = false;
+        //android.os.Debug.waitForDebugger();
+        System.loadLibrary("otclient");
+    }
+    
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        Log.v(APP_TAG, "onCreate()");
+        super.onCreate(savedInstanceState);
+
+        initialize();
+    }
+    
+    private void initialize() {
+        instance = this;
+        
+        layout = new RelativeLayout(this);
+        RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(
+                LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
+        layout.setLayoutParams(params);
+        
+        setContentView(layout);
+        
+        if( !started ) {
+            nativeInit();
+            started = true;
+        }
+        
+        NativeFacadeCalls.initialize();
+    }
+        
+    @Override
+    protected void onPause() {
+        Log.v(APP_TAG, "onPause()");
+        super.onPause();
+        nativePause();
+    }
+    
+    @Override
+    protected void onResume() {
+        Log.v(APP_TAG, "onResume()");
+        super.onResume();
+        
+        if( NativeFacadeCalls.isSurfaceReady() )
+            nativeResume();
+    }
+    
+    @Override
+    protected void onDestroy() {
+        Log.v(APP_TAG, "onDestroy()");
+        super.onDestroy();
+        
+        if(isFinishing()) {
+            NativeFacadeCalls.destroy();
+            destroy();
+            nativeDestroy();
+        }
+    }
+    
+    private void destroy() {
+        instance = null;
+        layout = null;
+    }
+    
+    @Override // Ignore certain special keys so they're handled by Android
+    public boolean dispatchKeyEvent(KeyEvent event) {
+        int keyCode = event.getKeyCode();
+        if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN ||
+            keyCode == KeyEvent.KEYCODE_VOLUME_UP ||
+            keyCode == KeyEvent.KEYCODE_CAMERA ||
+            keyCode == 168 || /* API 11: KeyEvent.KEYCODE_ZOOM_IN */
+            keyCode == 169 /* API 11: KeyEvent.KEYCODE_ZOOM_OUT */
+            ) {
+            return false;
+        }
+        return super.dispatchKeyEvent(event);
+    }
+    
+    public static MainActivity getInstance() {
+        return instance;
+    }
+    
+    public void addViewToLayout(View view) {
+        layout.addView(view);
+    }
+    
+    public native void nativeInit();
+    public native void nativePause();
+    public native void nativeResume();
+    public native void nativeDestroy();
+}

android/project/src/com/otclient/mobile/NativeFacadeCalls.java

@@ -0,0 +1,45 @@
+package com.otclient.mobile;
+
+import android.os.Handler;
+import android.os.Looper;
+import android.view.Surface;
+
+public class NativeFacadeCalls {
+    private static NativeSurfaceView nativeSurfaceView;
+    private static KeyboardSoftHandler keyboardSoftHandler;
+    private static Handler handler;
+           
+    public static void initialize() {
+        handler = new Handler(Looper.getMainLooper());
+        keyboardSoftHandler = new KeyboardSoftHandler();
+        nativeSurfaceView = new NativeSurfaceView();
+        MainActivity.getInstance().addViewToLayout(nativeSurfaceView);
+    }
+    
+    public static void destroy() {
+        handler = null;
+        nativeSurfaceView = null;
+        keyboardSoftHandler = null;
+    }
+    
+    public static boolean isSurfaceReady() {
+        return nativeSurfaceView.isSurfaceReady();
+    }
+    
+    /*
+     * Static methods called from JNI
+     */
+    
+    public static Surface getNativeSurface() {
+        return nativeSurfaceView.getSurface();
+    }
+    
+    public static void showKeyboardSoft() {
+        handler.post(new Runnable() {
+            @Override
+            public void run() {
+                keyboardSoftHandler.showKeyboardSoft();
+            }
+        });
+    }
+}

android/project/src/com/otclient/mobile/NativeMainThread.java

@@ -0,0 +1,38 @@
+package com.otclient.mobile;
+
+public class NativeMainThread {
+    private static final NativeMainThread instance;
+    private Thread nativeThread;
+    
+    static {
+        instance = new NativeMainThread();
+    }
+    
+    private NativeMainThread() {}
+    
+    public void start() {
+        if( nativeThread == null ) {
+            nativeThread = new Thread(
+                    new NativeThread(), "NativeThread" );
+            nativeThread.start();
+        }
+    }
+    
+    public static NativeMainThread getInstance() {
+        return instance;
+    }
+    
+    /*
+     * Native methods implemented on C++
+     */
+    
+    public native void nativeStartApp();
+    
+    private class NativeThread implements Runnable {
+
+        @Override
+        public void run() {
+            nativeStartApp();
+        }
+    }
+}

android/project/src/com/otclient/mobile/NativeSurfaceView.java

@@ -0,0 +1,130 @@
+package com.otclient.mobile;
+
+import android.util.Log;
+import android.view.GestureDetector;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.Surface;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+import android.view.View;
+
+public class NativeSurfaceView extends SurfaceView implements
+    SurfaceHolder.Callback, View.OnTouchListener {
+    
+    private Surface surface;
+    private GestureDetector gestureDetector;
+    private int currentWidth;
+    private int currentHeight;
+    private boolean surfaceReady;
+    
+    private final int LONGPRESS_EVENT = 3;
+    
+    public NativeSurfaceView() {
+        super(MainActivity.getInstance());
+        getHolder().addCallback(this);
+        setFocusable(true);
+        setFocusableInTouchMode(true);
+        requestFocus();
+        setOnTouchListener(this);
+                
+        currentWidth = 0;
+        currentHeight = 0;
+        surfaceReady = false;
+        
+        gestureDetector = new GestureDetector(
+                new GestureDetector.SimpleOnGestureListener() {
+            public void onLongPress(MotionEvent event) {
+                onNativeTouch(LONGPRESS_EVENT, event.getX(), event.getY());
+            }
+        });
+    }
+
+    @Override
+    public void surfaceCreated(SurfaceHolder holder) {
+        Log.d(MainActivity.APP_TAG, "surfaceCreated");
+    }
+
+    @Override
+    public void surfaceChanged(SurfaceHolder holder, int format, int width,
+            int height) {
+        Log.d(MainActivity.APP_TAG, "surfaceChanged");
+        
+        surface = holder.getSurface();
+        
+        currentWidth = width;
+        currentHeight = height;
+        surfaceReady = true;
+        
+        onNativeResize(width, height);
+        onNativeSurfaceChanged();
+        
+        NativeMainThread.getInstance().start();
+    }
+
+    @Override
+    public void surfaceDestroyed(SurfaceHolder holder) {
+        Log.d(MainActivity.APP_TAG, "surfaceDestroyed");
+        surface = null;
+        surfaceReady = false;
+        
+        onNativeSurfaceDestroyed();
+    }
+    
+    @Override
+    public boolean onTouch(View view, MotionEvent event) {
+        gestureDetector.onTouchEvent(event);
+        /* Ref: http://developer.android.com/training/gestures/multi.html */
+        final int pointerCount = event.getPointerCount();
+        int action = event.getActionMasked();
+        int i = -1;
+        float x,y;
+        
+        switch(action) {
+            case MotionEvent.ACTION_MOVE:
+                for (i = 0; i < pointerCount; i++) {
+                    x = event.getX(i);
+                    y = event.getY(i);
+                    onNativeTouch(action, x, y);
+                }
+                break;
+            
+            case MotionEvent.ACTION_UP:
+            case MotionEvent.ACTION_DOWN:
+                // Primary pointer up/down, the index is always zero
+                i = 0;
+            case MotionEvent.ACTION_POINTER_UP:
+            case MotionEvent.ACTION_POINTER_DOWN:
+                // Non primary pointer up/down
+                if (i == -1) {
+                    i = event.getActionIndex();
+                }
+                
+                x = event.getX(i);
+                y = event.getY(i);
+                onNativeTouch(action, x, y);
+                break;
+            
+            default:
+                break;
+        }
+
+        return true;
+    }
+    
+    public Surface getSurface() {
+        return surface;
+    }
+    
+    public boolean isSurfaceReady() {
+        return surfaceReady;
+    }
+    
+    /*
+     * Native methods implemented on C++
+     */
+    public native void onNativeSurfaceChanged();
+    public native void onNativeSurfaceDestroyed();
+    public native void onNativeResize(int width, int height);
+    public native void onNativeTouch(int actionType, float x, float y);
+}