Java tutorial
/** * Copyright 2016 Ralph Kristofelle A. Santiago * * 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 com.rappsantiago.weighttracker.goal; import android.app.DatePickerDialog; import android.content.Intent; import android.os.Bundle; import android.support.design.widget.TextInputLayout; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.DatePicker; import android.widget.TextView; import com.rappsantiago.weighttracker.R; import com.rappsantiago.weighttracker.dialog.DatePickerDialogFragment; import com.rappsantiago.weighttracker.model.Goal; import com.rappsantiago.weighttracker.provider.WeightTrackerContract; import com.rappsantiago.weighttracker.provider.queryhelpers.GoalsQueryHelper; import com.rappsantiago.weighttracker.service.WeightTrackerSaveService; import com.rappsantiago.weighttracker.util.DisplayUtil; import com.rappsantiago.weighttracker.util.PreferenceUtil; import com.rappsantiago.weighttracker.util.Util; import org.joda.time.LocalDate; /** * Created by ARKAS on 23/07/2016. */ public class EditGoalsFragment extends Fragment implements DatePickerDialog.OnDateSetListener { private TextInputLayout mTxtTargetWeightWrapper; private TextInputLayout mTxtTargetBodyFatIndexWrapper; private CheckBox mChkDueDate; private TextView mLblDueDate; private long mDueDateInMillis; private long mGoalId; public static EditGoalsFragment createFragment() { return new EditGoalsFragment(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_set_goals, container, false); mTxtTargetWeightWrapper = (TextInputLayout) view.findViewById(R.id.txt_target_weight_wrapper); mTxtTargetBodyFatIndexWrapper = (TextInputLayout) view.findViewById(R.id.txt_target_bfi_wrapper); mChkDueDate = (CheckBox) view.findViewById(R.id.chk_due_date); mLblDueDate = (TextView) view.findViewById(R.id.lbl_due_date); setCurrentValues(); mChkDueDate.setOnCheckedChangeListener(mCheckedChangedListener); mLblDueDate.setOnClickListener(mSetDateClickListener); return view; } @Override public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { LocalDate date = new LocalDate(year, monthOfYear + 1, dayOfMonth); mDueDateInMillis = date.toDate().getTime(); mLblDueDate.setText(DisplayUtil.getReadableDate(mDueDateInMillis)); } private CompoundButton.OnCheckedChangeListener mCheckedChangedListener = new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { mLblDueDate.setEnabled(isChecked); } }; private View.OnClickListener mSetDateClickListener = new View.OnClickListener() { @Override public void onClick(View v) { DatePickerDialogFragment datePickerDialog = new DatePickerDialogFragment(); datePickerDialog.setOnDateSetListener(EditGoalsFragment.this); datePickerDialog.show(getFragmentManager(), ""); } }; private void setCurrentValues() { String weightUnit = PreferenceUtil.getWeightUnit(getActivity()); int resString = -1; switch (weightUnit) { case WeightTrackerContract.Profile.WEIGHT_UNIT_KILOGRAMS: resString = R.string.kilograms; break; case WeightTrackerContract.Profile.WEIGHT_UNIT_POUNDS: resString = R.string.pounds; break; default: throw new IllegalArgumentException("Invalid weight unit"); } String hint = String.format(getString(R.string.target_weight_with_unit), getString(resString)); mTxtTargetWeightWrapper.setHint(hint); GoalsQueryHelper goalsQueryHelper = new GoalsQueryHelper(getActivity()); Goal currentGoal = goalsQueryHelper.getCurrentGoal(); mGoalId = currentGoal.getGoalId(); mTxtTargetWeightWrapper.getEditText() .setText(DisplayUtil.getWeightString(getActivity(), currentGoal.getTargetWeight(), null)); mTxtTargetBodyFatIndexWrapper.getEditText().setText(Double.toString(currentGoal.getTargetBodyFatIndex())); if (0 >= currentGoal.getDueDate()) { mChkDueDate.setChecked(false); mLblDueDate.setText(R.string.set_date); mLblDueDate.setEnabled(false); } else { mDueDateInMillis = currentGoal.getDueDate(); mChkDueDate.setChecked(true); mLblDueDate.setText(DisplayUtil.getReadableDate(currentGoal.getDueDate())); mLblDueDate.setEnabled(true); } } public void saveCurrentValues() { Goal currentGoal = getCurrentGoal(); Intent updateGoalIntent = WeightTrackerSaveService.createUpdateGoalIntent(getActivity(), currentGoal.getGoalId(), currentGoal.getTargetWeight(), currentGoal.getTargetBodyFatIndex(), currentGoal.getDueDate(), PreferenceUtil.getWeightUnit(getActivity()), EditGoalsActivity.class, EditGoalsActivity.CALLBACK_ACTION_UPDATE_GOAL); getActivity().startService(updateGoalIntent); } private Goal getCurrentGoal() { String strTargetWeight = mTxtTargetWeightWrapper.getEditText().getText().toString(); double targetWeight = Util.parseDouble(strTargetWeight, 0.0); String strTargetBodyFatIndex = mTxtTargetBodyFatIndexWrapper.getEditText().getText().toString(); double targetBodyFatIndex = Util.parseDouble(strTargetBodyFatIndex, 0.0); return new Goal.Builder(mGoalId, targetWeight).targetBodyFatIndex(targetBodyFatIndex) .dueDate(mChkDueDate.isChecked() ? mDueDateInMillis : 0L).build(); } }