Untitled

package com.example.spentranslateproject;

import android.annotation.SuppressLint;
import android.app.Service;
import android.content.Intent;
import android.graphics.PixelFormat;
import android.os.IBinder;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.Toast;

public class FloatWidgetService extends Service {


    private WindowManager mWindowManager;
    private View mFloatingView;


    public FloatWidgetService() {
    }

    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    @Override
    public void onCreate() {
        super.onCreate();


        //getting the widget layout from xml using layout inflater
        mFloatingView = LayoutInflater.from(this).inflate(R.layout.activity_floating_widget, null);

        //setting the layout parameters
        final WindowManager.LayoutParams params = new WindowManager.LayoutParams(
                WindowManager.LayoutParams.WRAP_CONTENT,
                WindowManager.LayoutParams.WRAP_CONTENT,
                WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY,
                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
                PixelFormat.TRANSLUCENT);

        params.gravity = Gravity.TOP | Gravity.CENTER;        //Initially view will be added to top-left corner
        params.x = 0;
        params.y = 100;

        //getting windows services and adding the floating view to it
        mWindowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
        mWindowManager.addView(mFloatingView, params);


        //The root element of the collapsed view layout
        final View collapsedView = mFloatingView.findViewById(R.id.layoutCollapsed);
        //The root element of the expanded view layout
        final View expandedView = mFloatingView.findViewById(R.id.layoutExpanded);

        //Set the close button
        ImageView buttonClose = (ImageView) mFloatingView.findViewById(R.id.buttonClose);
        buttonClose.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //close the service and remove the from from the window
                stopSelf();
            }
        });

        //Set the open button
//        ImageView buttonOpen = (ImageView) mFloatingView.findViewById(R.id.buttonOpen);
//        buttonOpen.setOnClickListener(new View.OnClickListener() {
//            @Override
//            public void onClick(View view) {
//                collapsedView.setVisibility(View.GONE);
//                expandedView.setVisibility(View.VISIBLE);
//            }
//        });

        //Set the collapse button
        ImageView buttonCollapse = (ImageView) mFloatingView.findViewById(R.id.buttonCollapse);
        buttonCollapse.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                collapsedView.setVisibility(View.VISIBLE);
                expandedView.setVisibility(View.GONE);
            }
        });

//        //adding click listener to close button and expanded view
//        mFloatingView.findViewById(R.id.buttonClose).setOnClickListener(this);
//        expandedView.setOnClickListener(this);

        //adding an touchlistener to make drag movement of the floating widget
        mFloatingView.findViewById(R.id.rootContainer).setOnTouchListener(new View.OnTouchListener() {
            private int initialX;
            private int initialY;
            private float initialTouchX;
            private float initialTouchY;

            @Override
            public boolean onTouch(View v, MotionEvent event) {
                switch (event.getAction()) {
                    case MotionEvent.ACTION_DOWN:
                        initialX = params.x;
                        initialY = params.y;
                        initialTouchX = event.getRawX();
                        initialTouchY = event.getRawY();
                        return true;

                    case MotionEvent.ACTION_UP:
                        int Xdiff = (int) (event.getRawX() - initialTouchX);
                        int Ydiff = (int) (event.getRawY() - initialTouchY);


                        //The check for Xdiff <10 && YDiff< 10 because sometime elements moves a little while clicking.
                        //So that is click event.
                        if (Xdiff < 10 && Ydiff < 10) {
                            if (isViewCollapsed()) {
                                //When user clicks on the image view of the collapsed layout,
                                //visibility of the collapsed layout will be changed to "View.GONE"
                                //and expanded view will become visible.
                                collapsedView.setVisibility(View.GONE);
                                expandedView.setVisibility(View.VISIBLE);
                            }
                        }
                        return true;

                    case MotionEvent.ACTION_MOVE:
                        //this code is helping the widget to move around the screen with fingers
                        params.x = initialX + (int) (event.getRawX() - initialTouchX);
                        params.y = initialY + (int) (event.getRawY() - initialTouchY);
                        mWindowManager.updateViewLayout(mFloatingView, params);
                        return true;
                }
                return false;
            }
        });
    }

    private boolean isViewCollapsed() {
        return mFloatingView == null || mFloatingView.findViewById(R.id.layoutCollapsed).getVisibility() == View.VISIBLE;
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        if (mFloatingView != null) mWindowManager.removeView(mFloatingView);
    }
}