Added open and close functionality of Soft keyboard

Author: Gunkirat

core/src/processing/core/PApplet.java

@@ -33,6 +33,7 @@
 import java.util.regex.*;
 import java.util.zip.*;
 
+import android.view.inputmethod.InputMethodManager;
 import android.app.Activity;
 import android.content.*;
 import android.content.pm.PackageManager;
@@ -766,6 +767,18 @@ public boolean checkPermission(String permission) {
       return false;
     }
   }
+  
+   public void openKeyboard() {
+    Context context = surface.getContext();
+    InputMethodManager imm = (InputMethodManager)context.getSystemService(Context.INPUT_METHOD_SERVICE);
+    imm.toggleSoftInput(InputMethodManager.SHOW_FORCED,0);
+  }
+
+  public void closeKeyboard() {
+    Context context = surface.getContext();
+    InputMethodManager imm = (InputMethodManager)context.getSystemService(Context.INPUT_METHOD_SERVICE);
+    imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0);
+  }
 
 
   // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .