android - 在 Eclipse 中集成拖放

Question

我和我的团队遇到了上面提到的问题。我们正在尝试为益智游戏创建开始菜单，在该菜单中我们应该能够将播放选项拖到中间的徽标上，即"shuffleThis". 你对如何解决这个问题有什么好的建议吗？

我们也在尝试集成更多的代码，如果我们现在不解决这个问题只会变得更加困难。

package com.agile.puzzle;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.ImageView;

public class MainActivity extends Activity {

    Button butonRandomPlay;
    Button butonPlayFriends;
    Button butonLeaderBoard;
    Button butonAchievements;
    ImageView shuffleThis;
    View fereastra;

    public final static int razaButon = 50; 
    public final static int razaCentru = 75;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_main);

        butonRandomPlay= (Button) findViewById(R.id.randomPlay);
        butonPlayFriends= (Button) findViewById(R.id.playFriends);
        butonLeaderBoard= (Button) findViewById(R.id.leaderboard);
        butonAchievements=(Button) findViewById(R.id.achievements);
        shuffleThis = (ImageView)findViewById(R.id.shuffleThis);
        fereastra = findViewById(R.id.fereastra);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        Bundle b = new Bundle();
        b= getIntent().getExtras();
        return true;
    }

    public boolean onTouchEvent(android.view.MotionEvent event) {
        // TODO Auto-generated method stub

        //iau coord x pentru fiecare buton
        float b2x = butonRandomPlay.getX();
        float b1x = butonPlayFriends.getX();
        float b3x = butonLeaderBoard.getX();
        float b4x = butonAchievements.getX();

        //iau coord y pentru fiecare buton
        float b1y = butonPlayFriends.getY();
        float b2y = butonRandomPlay.getY();
        float b3y = butonLeaderBoard.getY();
        float b4y = butonAchievements.getY();

        //coord centru
        float cx = shuffleThis.getX();
        float cy = shuffleThis.getY();

        //coord eventului
        float x = event.getX();
        float y = event.getY();

        if (event.getAction() == MotionEvent.ACTION_MOVE){
            //pentru cazul butonului 1
            //verific ca actiunea sa se intample in jurul butonului
            if (((b1x-razaButon)<=x)&&((b1x+razaButon)>=x)){
                if (((b1y-razaButon)<=y)&&((b1y+razaButon)>=y)){
                    //il plimb dupa deget
                    butonPlayFriends.setX(x);
                    butonPlayFriends.setY(y);
                    //System.out.println(x+","+y);

                    //verific daca ma apropii de centru in raza mica
                    //daca da, sare in centru
                        if (((cx-razaCentru)<=x)&&((cx+razaCentru)>=x)){
                            if (((cy-razaCentru)<=y)&&((cy+razaCentru)>=y)){
                                System.out.println("am ajuns 1!");
                                butonPlayFriends.setX(cx);
                                butonPlayFriends.setY(cy);
                            }
                        }
                }
            }
        }

        //pentru cazul butonului 2
            if (((b2x-razaButon)<=x)&&((b2x+razaButon)>=x)){
                if (((b2y-razaButon)<=y)&&((b2y+razaButon)>=y)){

                    butonRandomPlay.setX(x);
                    butonRandomPlay.setY(y);
                    //System.out.println(x+","+y);
                    if (((cx-razaCentru)<=x)&&((cx+razaCentru)>=x)){
                        if (((cy-razaCentru)<=y)&&((cy+razaCentru)>=y)){
                            //System.out.println("am ajuns 2!");
                            butonRandomPlay.setX(cx);
                            butonRandomPlay.setY(cy);
                        }
                    }   
                }
            }

        //pentru cazul butonului 3
            if (((b3x-razaButon)<=x)&&((b3x+razaButon)>=x)){
                if (((b3y-razaButon)<=y)&&((b3y+razaButon)>=y)){    
                    butonLeaderBoard.setX(x);
                    butonLeaderBoard.setY(y);
                    //System.out.println(x+","+y);
                    if (((cx-razaCentru)<=x)&&((cx+razaCentru)>=x)){
                        if (((cy-razaCentru)<=y)&&((cy+razaCentru)>=y)){
                            //System.out.println("am ajuns 3!");
                            butonLeaderBoard.setX(cx);
                            butonLeaderBoard.setY(cy);
                        }
                    }
                }
            }

        //pentru cazul butonului 4
            if (((b4x-razaButon)<=x)&&((b4x+razaButon)>=x)) {
                if (((b4y-razaButon)<=y)&&((b4y+razaButon)>=y)){
                    butonAchievements.setX(x);
                    butonAchievements.setY(y);
                    //System.out.println(x+","+y);
                    if (((cx-razaCentru)<=x)&&((cx+razaCentru)>=x)){
                        if (((cy-razaCentru)<=y)&&((cy+razaCentru)>=y)){
                            //System.out.println("am ajuns 4!");
                            butonAchievements.setX(cx);
                            butonAchievements.setY(cy);
                        }
                    }
                }
            }

        return false;
        }

    public void randomPlay(View v){
        Intent i = new Intent(MainActivity.this, RandomPlay.class);
        startActivity(i);       
    }

    public void playFriends (View v){   
        Intent i2 = new Intent(this, PlayFriends.class);
        startActivity(i2);  
    }

    public void leaderB (View v){   
        Intent i3 = new Intent(this, LeaderBoard.class);
        startActivity(i3);
    }

    public void achievements (View v){  
        Intent i4 = new Intent(this, Achievements.class);
        startActivity(i4);
    }



}