[androidbrasil-dev] Re: Como selecionar so uma área das 6 áreas que tenho.

Olá Leandro.

Vc esta certo sobre o problema de área x e área y.

Mas tentei realizar a sua logica de negócios mas não tive sucesso ou não consegui realizar.. estou perdido...

o código fonte ficou assim

package com.amarante.autista;



import java.util.HashMap;
import java.util.Map;

import android.support.v7.app.AppCompatActivity;
import android.text.method.ScrollingMovementMethod;

import android.content.ClipData;

import android.content.res.TypedArray;

import android.os.Bundle;
import android.view.DragEvent;

import android.view.View;
import android.view.View.DragShadowBuilder;
import android.view.View.OnDragListener;
import android.view.View.OnLongClickListener;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;


public class MainActivity extends AppCompatActivity {

    LinearLayout area1, area2, area3, area4, area5, area6;
    TextView prompt;



    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        area1 = (LinearLayout) findViewById(R.id.area1);
        area2 = (LinearLayout) findViewById(R.id.area2);
        area3 = (LinearLayout) findViewById(R.id.area3);
        area4 = (LinearLayout) findViewById(R.id.area4);
        area5 = (LinearLayout) findViewById(R.id.area5);
        area6 = (LinearLayout) findViewById(R.id.area6);

        prompt = (TextView) findViewById(R.id.prompt);
        // make TextView scrollable
        prompt.setMovementMethod(new ScrollingMovementMethod());
        //clear prompt area if LongClick

        prompt.setOnLongClickListener(new OnLongClickListener(){

            @Override
            public boolean onLongClick(View v) {
                prompt.setText("");
                return true;
            }});

        TypedArray arrayResources = getResources().obtainTypedArray(
                R.array.resicon);

        for (int i = 0; i < arrayResources.length(); i++) {
            ImageView imageView = new ImageView(this);
            imageView.setImageDrawable(arrayResources.getDrawable(i));
            imageView.setOnLongClickListener(myOnLongClickListener);
            area4.addView(imageView);
            //area5.addView(imageView);
            //area6.addView(imageView);
        }

        for (int i = 0; i < arrayResources.length(); i++) {
            ImageView imageView = new ImageView(this);
            imageView.setImageDrawable(arrayResources.getDrawable(i));
            imageView.setOnLongClickListener(myOnLongClickListener);
            //area4.addView(imageView);
            area5.addView(imageView);
            //area6.addView(imageView);
        }

        for (int i = 0; i < arrayResources.length(); i++) {
            ImageView imageView = new ImageView(this);
            imageView.setImageDrawable(arrayResources.getDrawable(i));
            imageView.setOnLongClickListener(myOnLongClickListener);
            //area4.addView(imageView);
            //area5.addView(imageView);
            area6.addView(imageView);
        }

        arrayResources.recycle();

        area1.setOnDragListener(myOnDragListener);
        area2.setOnDragListener(myOnDragListener);
        area3.setOnDragListener(myOnDragListener);
        area4.setOnDragListener(myOnDragListener);
        area5.setOnDragListener(myOnDragListener);
        area6.setOnDragListener(myOnDragListener);
    }

    OnLongClickListener myOnLongClickListener = new OnLongClickListener() {

        @Override
        public boolean onLongClick(View v) {
            ClipData data = ClipData.newPlainText("", "");
            DragShadowBuilder shadowBuilder = new View.DragShadowBuilder(v);
            v.startDrag(data, shadowBuilder, v, 0);
            //v.setVisibility(View.INVISIBLE);
            //v.startDragAndDrop(data, shadowBuilder, v, 0);
            return true;
        }

    };

    OnDragListener myOnDragListener = new OnDragListener() {

        // Defina variáveis para guardar a view de origem e de destino
        View from;
        View to;


        private boolean checkIfDropIsOK() {

            // o fromTo fica em vermelho
            View possibleFrom = fromTo.get(to);
            return from.equals(possibleFrom);
        }

        // Mantenha um mapa com os casos possíveis

        // o a Map<View> esta pedindo 2 argumentos
        Map<View> fromTo = new HashMap<View, View>();
        

        // o put fica em vermelho dizendo que não consegue resolver o symbolo put
        fromTo.put(area5, area2);
        fromTo.put(area4, area1);
        fromTo.put(area6, area3);

        @Override
        public boolean onDrag(View v, DragEvent event) {

            final int action = event.getAction();

            String area;
            if (v == area1){
                area = "area1";
            }else if (v == area2){
                area = "area2";
            }else if (v == area3){
                area = "area3";
            }else if (v == area4){
                area = "area4";
            }else if (v == area5){
                area = "area5";
            }else if (v == area6){
                area = "area6";
            }else {
                area = "unknown";
            }

            switch (action) {
                case DragEvent.ACTION_DRAG_STARTED:
                    prompt.append("ACTION_DRAG_STARTED: " + area  + "\n");

                    from = v;

                    break;

                case DragEvent.ACTION_DRAG_ENTERED:
                    prompt.append("ACTION_DRAG_ENTERED: " + area  + "\n");
                    break;

                case DragEvent.ACTION_DRAG_EXITED:
                    prompt.append("ACTION_DRAG_EXITED: " + area  + "\n");
                    break;

                case DragEvent.ACTION_DROP:

                    to = v;
                    boolean dropOk = checkIfDropIsOK();

                    if (dropOk){
                        prompt.append("ACTION_DROP_2: " + area  + "\n");
                        View view = (View)event.getLocalState();
                        LinearLayout oldParent = (LinearLayout)view.getParent();
                        oldParent.removeView(view);
                        LinearLayout newParent = (LinearLayout)v;
                        newParent.addView(view);
                    }else{
                    // nao tenho certeza                        

                        return false;

                    }
                    break;

                case DragEvent.ACTION_DRAG_ENDED:
                    prompt.append("ACTION_DRAG_ENDED: " + area  + "\n");

                default:
                    break;
            }
            return true;
        }

    };


}

Grato pela ajuda.

mas estou sem saída.

Att. 

Luciano.