Add hook for getSoftKeyboardHeight on Android (legacy)

legacy/templates/android/template/src/org/haxe/lime/GameActivity.java

@@ -8,6 +8,7 @@ import android.content.res.Configuration;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.graphics.Rect;
 import android.hardware.Sensor;
 import android.hardware.SensorEvent;
 import android.hardware.SensorEventListener;
@@ -23,6 +24,7 @@ import android.util.Log;
 import android.view.inputmethod.InputMethodManager;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.ViewTreeObserver;
 import android.view.Window;
 import android.view.WindowManager;
 import dalvik.system.DexClassLoader;
@@ -72,6 +74,7 @@ public class GameActivity extends Activity implements SensorEventListener {
 	private static float[] orientData = new float[3];
 	private static float[] rotationMatrix = new float[16];
 	private static SensorManager sensorManager;
+	private static Rect mVisibleRect = new Rect ();
 	
 	public Handler mHandler;
 	
@@ -127,6 +130,16 @@ public class GameActivity extends Activity implements SensorEventListener {
 			
 		}
 		
+		mView.getViewTreeObserver ().addOnGlobalLayoutListener (new ViewTreeObserver.OnGlobalLayoutListener () {
+			
+			@Override public void onGlobalLayout () {
+				
+				activity.getWindow().getDecorView().getWindowVisibleDisplayFrame (mVisibleRect);
+				
+			}
+			
+		});
+		
 		Extension.packageName = getApplicationContext ().getPackageName ();
 		
 		if (extensions == null) {
@@ -319,6 +332,23 @@ public class GameActivity extends Activity implements SensorEventListener {
 	}
 	
 	
+	public static float getSoftKeyboardHeight () {
+		
+		float height = Extension.mainView.getHeight () - mVisibleRect.height ();
+		
+		if (height < 0) {
+			
+			return 0;
+			
+		} else {
+			
+			return height;
+			
+		}
+		
+	}
+	
+	
 	static public String getSpecialDir (int inWhich) {
 		
 		//Log.v ("GameActivity", "Get special Dir " + inWhich);