Java tutorial
/* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package br.com.iworkout.dialog; import android.app.Activity; import android.os.Bundle; import android.support.v4.app.DialogFragment; import android.text.InputFilter; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.EditText; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.TextView; import br.com.iworkout.R; public class SerieDialog extends DialogFragment { EditText repeticoes; EditText serie; EditText peso; // Use this instance of the interface to deliver action events NoticeDialogListener mListener; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setStyle(DialogFragment.STYLE_NO_TITLE, 0); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View v = inflater.inflate(R.layout.choose_serie, container, false); repeticoes = (EditText) v.findViewById(R.id.repiticoes); serie = (EditText) v.findViewById(R.id.serie); peso = (EditText) v.findViewById(R.id.peso); TextView musculo = (TextView) v.findViewById(R.id.musculo); TextView exercicio = (TextView) v.findViewById(R.id.exercicio); // InputFilter[] filter = new InputFilter[]{new InputFilterMinMax("1", "12")}; // et.setFilters(); // et.setFilters(new InputFilter[]{ new InputFilterMinMax("1", "12")}); // et.setFilters(new InputFilter[]{ new InputFilterMinMax("1", "12")}); musculo.setText(getArguments().getString("musculo") + " -"); exercicio.setText(getArguments().getString("exercicio")); // watch for button clicks. ImageView repeatDecrease = (ImageView) v.findViewById(R.id.repeatDecrease); repeatDecrease.setOnClickListener(createClickListener()); ImageView repeatIncrease = (ImageView) v.findViewById(R.id.repeatIncrease); repeatIncrease.setOnClickListener(createClickListener()); ImageView serieIncrease = (ImageView) v.findViewById(R.id.serieIncrease); serieIncrease.setOnClickListener(createClickListener()); ImageView serieDecrease = (ImageView) v.findViewById(R.id.serieDecrease); serieDecrease.setOnClickListener(createClickListener()); ImageView pesoIncrease = (ImageView) v.findViewById(R.id.pesoIncrease); pesoIncrease.setOnClickListener(createClickListener()); ImageView pesoDecrease = (ImageView) v.findViewById(R.id.pesoDecrease); pesoDecrease.setOnClickListener(createClickListener()); Button ok = (Button) v.findViewById(R.id.ok); ok.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { mListener.onDialogPositiveClick(SerieDialog.this, repeticoes, serie, peso); } }); Button cancel = (Button) v.findViewById(R.id.cancel); cancel.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { mListener.onDialogNegativeClick(SerieDialog.this); } }); return v; } private View.OnClickListener createClickListener() { return new View.OnClickListener() { @Override public void onClick(View view) { int id = view.getId(); Integer v = 0; switch (id) { case R.id.repeatDecrease: v = Integer.valueOf(repeticoes.getText().toString()); repeticoes.setText(formatNumber(v - 1)); break; case R.id.repeatIncrease: v = Integer.valueOf(repeticoes.getText().toString()); repeticoes.setText(formatNumber(v + 1)); break; case R.id.serieDecrease: v = Integer.valueOf(serie.getText().toString()); serie.setText(formatNumber(v - 1)); break; case R.id.serieIncrease: v = Integer.valueOf(serie.getText().toString()); serie.setText(formatNumber(v + 1)); break; case R.id.pesoDecrease: v = Integer.valueOf(peso.getText().toString()); peso.setText(formatNumber(v - 1)); break; case R.id.pesoIncrease: v = Integer.valueOf(peso.getText().toString()); peso.setText(formatNumber(v + 1)); break; } } }; } private String formatNumber(int x) { if (x < 0) { return "00"; } else { return String.format("%02d", x); } } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); } @Override public void onAttach(Activity activity) { super.onAttach(activity); // Verify that the host activity implements the callback interface try { // Instantiate the NoticeDialogListener so we can send events to the host mListener = (NoticeDialogListener) activity; } catch (ClassCastException e) { // The activity doesn't implement the interface, throw exception throw new ClassCastException(activity.toString() + " must implement NoticeDialogListener"); } } /* The activity that creates an instance of this dialog fragment must * implement this interface in order to receive event callbacks. * Each method passes the DialogFragment in case the host needs to query it. */ public interface NoticeDialogListener { public void onDialogPositiveClick(DialogFragment dialog, TextView repeticoes, TextView serie, TextView peso); public void onDialogNegativeClick(DialogFragment dialog); } }