Java tutorial
/* * Copyright (C) 2015 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 com.wizardsofm.deskclock.alarms.dataadapter; import android.content.Context; import android.content.res.Resources; import android.content.res.TypedArray; import android.graphics.Color; import android.graphics.drawable.Drawable; import android.graphics.drawable.LayerDrawable; import android.os.Vibrator; import android.support.v4.content.ContextCompat; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.ImageButton; import android.widget.LinearLayout; import android.widget.TextView; import com.wizardsofm.deskclock.ItemAdapter; import com.wizardsofm.deskclock.Utils; import com.wizardsofm.deskclock.alarms.AlarmTimeClickHandler; import com.wizardsofm.deskclock.alarms.utils.DayOrderUtils; import com.wizardsofm.deskclock.data.DataModel; import com.wizardsofm.deskclock.provider.Alarm; import com.wizardsofm.deskclock.provider.AlarmInstance; import com.wizardsofm.deskclock.provider.DaysOfWeek; import com.wizardsofm.deskclock.uidata.UiDataModel; import java.util.HashSet; import static android.content.Context.VIBRATOR_SERVICE; /** * A ViewHolder containing views for an alarm item in expanded stated. */ public final class ExpandedAlarmViewHolder extends AlarmItemViewHolder { public static final int VIEW_TYPE = com.wizardsofm.deskclock.R.layout.alarm_time_expanded; public final CheckBox repeat; public final TextView editLabel; public final LinearLayout repeatDays; public final CompoundButton[] dayButtons = new CompoundButton[7]; public final CheckBox vibrate; public final TextView ringtone; public final ImageButton delete; private final boolean mHasVibrator; private final int[] mDayOrder; public ExpandedAlarmViewHolder(View itemView, boolean hasVibrator) { super(itemView); final Context context = itemView.getContext(); mHasVibrator = hasVibrator; mDayOrder = DayOrderUtils.getDayOrder(context); final Resources.Theme theme = context.getTheme(); int[] attrs = new int[] { android.R.attr.selectableItemBackground }; final TypedArray typedArray = theme.obtainStyledAttributes(attrs); final LayerDrawable background = new LayerDrawable(new Drawable[] { ContextCompat.getDrawable(context, com.wizardsofm.deskclock.R.drawable.alarm_background_expanded), typedArray.getDrawable(0) }); itemView.setBackground(background); typedArray.recycle(); final int firstDay = Utils.getZeroIndexedFirstDayOfWeek(context); delete = (ImageButton) itemView.findViewById(com.wizardsofm.deskclock.R.id.delete); repeat = (CheckBox) itemView.findViewById(com.wizardsofm.deskclock.R.id.repeat_onoff); vibrate = (CheckBox) itemView.findViewById(com.wizardsofm.deskclock.R.id.vibrate_onoff); ringtone = (TextView) itemView.findViewById(com.wizardsofm.deskclock.R.id.choose_ringtone); editLabel = (TextView) itemView.findViewById(com.wizardsofm.deskclock.R.id.edit_label); repeatDays = (LinearLayout) itemView.findViewById(com.wizardsofm.deskclock.R.id.repeat_days); // Build button for each day. LayoutInflater mInflater = LayoutInflater.from(context); for (int i = 0; i < DaysOfWeek.DAYS_IN_A_WEEK; i++) { final CompoundButton dayButton = (CompoundButton) mInflater .inflate(com.wizardsofm.deskclock.R.layout.day_button, repeatDays, false /* attachToRoot */); dayButton.setText(Utils.getShortWeekday(i, firstDay)); dayButton.setContentDescription(Utils.getLongWeekday(i, firstDay)); repeatDays.addView(dayButton); dayButtons[i] = dayButton; } // Collapse handler itemView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { getItemHolder().collapse(); } }); arrow.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { getItemHolder().collapse(); } }); // Edit time handler clock.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { getAlarmTimeClickHandler().onClockClicked(getItemHolder().item); } }); // Edit label handler editLabel.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { getAlarmTimeClickHandler().onEditLabelClicked(getItemHolder().item); } }); // Vibrator checkbox handler vibrate.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { getAlarmTimeClickHandler().setAlarmVibrationEnabled(getItemHolder().item, ((CheckBox) v).isChecked()); } }); // Ringtone editor handler ringtone.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { getAlarmTimeClickHandler().onRingtoneClicked(getItemHolder().item); } }); // Delete alarm handler delete.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { getAlarmTimeClickHandler().onDeleteClicked(getItemHolder().item); v.announceForAccessibility(context.getString(com.wizardsofm.deskclock.R.string.alarm_deleted)); } }); // Repeat checkbox handler repeat.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { final boolean checked = ((CheckBox) view).isChecked(); getAlarmTimeClickHandler().setAlarmRepeatEnabled(getItemHolder().item, checked); } }); // Day buttons handler for (int i = 0; i < DaysOfWeek.DAYS_IN_A_WEEK; i++) { final int buttonIndex = i; dayButtons[i].setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { final boolean isChecked = ((CompoundButton) view).isChecked(); getAlarmTimeClickHandler().setDayOfWeekEnabled(getItemHolder().item, isChecked, buttonIndex); } }); } } @Override protected void onBindItemView(final AlarmItemHolder itemHolder) { super.onBindItemView(itemHolder); final Alarm alarm = itemHolder.item; final AlarmInstance alarmInstance = itemHolder.getAlarmInstance(); final Context context = itemView.getContext(); bindEditLabel(alarm); bindDaysOfWeekButtons(alarm); bindVibrator(alarm); bindRingtone(context, alarm); bindPreemptiveDismissButton(context, alarm, alarmInstance); } private void bindRingtone(Context context, Alarm alarm) { final String title = DataModel.getDataModel().getAlarmRingtoneTitle(alarm.alert); ringtone.setText(title); final String description = context.getString(com.wizardsofm.deskclock.R.string.ringtone_description); ringtone.setContentDescription(description + " " + title); final boolean silent = Utils.RINGTONE_SILENT.equals(alarm.alert); final int startResId = silent ? com.wizardsofm.deskclock.R.drawable.ic_ringtone_silent : com.wizardsofm.deskclock.R.drawable.ic_ringtone; final Drawable startDrawable = Utils.getVectorDrawable(context, startResId); ringtone.setCompoundDrawablesWithIntrinsicBounds(startDrawable, null, null, null); } private void bindDaysOfWeekButtons(Alarm alarm) { HashSet<Integer> setDays = alarm.daysOfWeek.getSetDays(); for (int i = 0; i < DaysOfWeek.DAYS_IN_A_WEEK; i++) { final CompoundButton dayButton = dayButtons[i]; if (setDays.contains(mDayOrder[i])) { dayButton.setChecked(true); dayButton.setTextColor(UiDataModel.getUiDataModel().getWindowBackgroundColor()); } else { dayButton.setChecked(false); dayButton.setTextColor(Color.WHITE); } } if (alarm.daysOfWeek.isRepeating()) { repeat.setChecked(true); repeatDays.setVisibility(View.VISIBLE); } else { repeat.setChecked(false); repeatDays.setVisibility(View.GONE); } } private void bindEditLabel(Alarm alarm) { if (alarm.label != null && alarm.label.length() > 0) { editLabel.setText(alarm.label); } else { editLabel.setText(com.wizardsofm.deskclock.R.string.label); } } private void bindVibrator(Alarm alarm) { if (!mHasVibrator) { vibrate.setVisibility(View.INVISIBLE); } else { vibrate.setVisibility(View.VISIBLE); vibrate.setChecked(alarm.vibrate); } } private AlarmTimeClickHandler getAlarmTimeClickHandler() { return getItemHolder().getAlarmTimeClickHandler(); } public static class Factory implements ItemAdapter.ItemViewHolder.Factory { private final LayoutInflater mLayoutInflator; private final boolean mHasVibrator; public Factory(Context context, LayoutInflater layoutInflater) { mLayoutInflator = layoutInflater; mHasVibrator = ((Vibrator) context.getSystemService(VIBRATOR_SERVICE)).hasVibrator(); } @Override public ItemAdapter.ItemViewHolder<?> createViewHolder(ViewGroup parent, int viewType) { return new ExpandedAlarmViewHolder(mLayoutInflator.inflate(viewType, parent, false /* attachToRoot */), mHasVibrator); } } }