package com.example.app_10p5; import android.os.Bundle; import android.app.Fragment; import android.text.Editable; import android.text.InputFilter; import android.text.TextWatcher; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.EditText; import java.util.ArrayList; /** * Created by Jean-loup Beaussart on 24/04/2016. */ public class TabFragment1 extends Fragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View v = inflater.inflate(R.layout.tab_fragment_1, container, false); EditText et = (EditText) v.findViewById(R.id.commande_prix); et.setFilters(new InputFilter[]{new DecimalDigitsInputFilter(3, 2)}); final ArrayList allChildren = getAllChildren(v.findViewById(R.id.commande_table_boutons)); et.addTextChangedListener(new TextWatcher() { @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { if(s.toString().trim().length() != 0){ for (View child : allChildren) { if (child instanceof Button) { Button bouton = (Button) child; bouton.setEnabled(false); } } } else{ for (View child : allChildren) { if (child instanceof Button) { Button bouton = (Button) child; bouton.setEnabled(true); } } } } @Override public void afterTextChanged(Editable s) { } }); return v; } private ArrayList getAllChildren(View v) { if (!(v instanceof ViewGroup)) { ArrayList viewArrayList = new ArrayList(); viewArrayList.add(v); return viewArrayList; } ArrayList result = new ArrayList(); ViewGroup vg = (ViewGroup) v; for (int i = 0; i < vg.getChildCount(); i++) { View child = vg.getChildAt(i); ArrayList viewArrayList = new ArrayList(); viewArrayList.add(v); viewArrayList.addAll(getAllChildren(child)); result.addAll(viewArrayList); } return result; } }