Java tutorial
/* Copyright 2017 Abhijit Kiran Valluri 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.abhijitvalluri.android.fitnotifications; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.FragmentManager; import android.support.v7.app.AppCompatActivity; import android.text.format.DateFormat; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.CompoundButton; import android.widget.EditText; import android.widget.Switch; import android.widget.TextView; import com.abhijitvalluri.android.fitnotifications.models.AppSelection; import com.abhijitvalluri.android.fitnotifications.utils.Func; /** * AppSettingsActivity is an activity that allows user to set additional preferences regarding each app */ public class AppSettingsActivity extends AppCompatActivity implements TimePickerFragment.TimePickerListener { public static final int START_TIME_REQUEST = 0; public static final int STOP_TIME_REQUEST = 1; public static final String APP_SELECTION_EXTRA = "appSelectionExtra"; public static final String STATE_APP_SELECTION = "appSelection"; public static final String STATE_START_TIME_HOUR = "startTimeHour"; public static final String STATE_START_TIME_MINUTE = "startTimeMinute"; public static final String STATE_STOP_TIME_HOUR = "stopTimeHour"; public static final String STATE_STOP_TIME_MINUTE = "stopTimeMinute"; public static final String STATE_DISCARD_EMPTY_NOTIFICATIONS = "discardEmptyNotifications"; public static final String STATE_ALL_DAY_SCHEDULE = "allDaySchedule"; private static final String DIALOG_TIME = "dialogTime"; private AppSelection mAppSelection; private EditText mFilterText; private TextView mNextDay; private Button mStartTimeButton; private Button mStopTimeButton; private int mStartTimeHour; private int mStartTimeMinute; private int mStopTimeHour; private int mStopTimeMinute; private boolean mDiscardEmptyNotifications; private boolean mAllDaySchedule; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_app_settings); Switch discardEmptySwitch; Switch allDaySwitch; mFilterText = (EditText) findViewById(R.id.filter_text); mStartTimeButton = (Button) findViewById(R.id.start_time); mStopTimeButton = (Button) findViewById(R.id.stop_time); mNextDay = (TextView) findViewById(R.id.next_day); discardEmptySwitch = (Switch) findViewById(R.id.discard_empty); allDaySwitch = (Switch) findViewById(R.id.all_day); mFilterText.setHorizontallyScrolling(false); mFilterText.setMaxLines(5); if (savedInstanceState == null) { mAppSelection = getIntent().getParcelableExtra(APP_SELECTION_EXTRA); mStartTimeHour = mAppSelection.getStartTimeHour(); mStartTimeMinute = mAppSelection.getStartTimeMinute(); mStopTimeHour = mAppSelection.getStopTimeHour(); mStopTimeMinute = mAppSelection.getStopTimeMinute(); mDiscardEmptyNotifications = mAppSelection.isDiscardEmptyNotifications(); mAllDaySchedule = mAppSelection.isAllDaySchedule(); } else { mAppSelection = savedInstanceState.getParcelable(STATE_APP_SELECTION); mStartTimeHour = savedInstanceState.getInt(STATE_START_TIME_HOUR); mStartTimeMinute = savedInstanceState.getInt(STATE_START_TIME_MINUTE); mStopTimeHour = savedInstanceState.getInt(STATE_STOP_TIME_HOUR); mStopTimeMinute = savedInstanceState.getInt(STATE_STOP_TIME_MINUTE); mDiscardEmptyNotifications = savedInstanceState.getBoolean(STATE_DISCARD_EMPTY_NOTIFICATIONS); mAllDaySchedule = savedInstanceState.getBoolean(STATE_ALL_DAY_SCHEDULE); } discardEmptySwitch.setChecked(mDiscardEmptyNotifications); setTitle(mAppSelection.getAppName()); mFilterText.setText(mAppSelection.getFilterText()); allDaySwitch.setChecked(mAllDaySchedule); setupScheduleSettings(); discardEmptySwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { mDiscardEmptyNotifications = isChecked; } }); mStartTimeButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { FragmentManager manager = getSupportFragmentManager(); TimePickerFragment dialog = TimePickerFragment.newInstance(mStartTimeHour, mStartTimeMinute, mStopTimeHour, mStopTimeMinute, START_TIME_REQUEST); dialog.show(manager, DIALOG_TIME); } }); mStopTimeButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { FragmentManager manager = getSupportFragmentManager(); TimePickerFragment dialog = TimePickerFragment.newInstance(mStopTimeHour, mStopTimeMinute, mStartTimeHour, mStartTimeMinute, STOP_TIME_REQUEST); dialog.show(manager, DIALOG_TIME); } }); allDaySwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { mAllDaySchedule = isChecked; setupScheduleSettings(); } }); } private void setupScheduleSettings() { if (mAllDaySchedule) { mStartTimeButton.setEnabled(false); mStartTimeButton.setBackgroundColor(0x649e9e9e); mStartTimeButton.setText(R.string.schedule_disabled); mStopTimeButton.setEnabled(false); mStopTimeButton.setBackgroundColor(0x649e9e9e); mStopTimeButton.setText(R.string.schedule_disabled); mNextDay.setVisibility(View.INVISIBLE); } else { mStartTimeButton.setEnabled(true); mStopTimeButton.setEnabled(true); mStartTimeButton.setBackgroundColor(0xffff4081); mStopTimeButton.setBackgroundColor(0xffff4081); final java.text.DateFormat timeFormat = DateFormat.getTimeFormat(this); mStartTimeButton .setText(timeFormat.format(Func.convertHourMinute2Date(mStartTimeHour, mStartTimeMinute))); mStopTimeButton.setText(timeFormat.format(Func.convertHourMinute2Date(mStopTimeHour, mStopTimeMinute))); int startTime = mStartTimeHour * 60 + mStartTimeMinute; int stopTime = mStopTimeHour * 60 + mStopTimeMinute; if (startTime > stopTime) { mNextDay.setVisibility(View.VISIBLE); } else { mNextDay.setVisibility(View.INVISIBLE); } } } @Override protected void onSaveInstanceState(Bundle outState) { outState.putParcelable(STATE_APP_SELECTION, mAppSelection); outState.putInt(STATE_START_TIME_HOUR, mStartTimeHour); outState.putInt(STATE_START_TIME_MINUTE, mStartTimeMinute); outState.putInt(STATE_STOP_TIME_HOUR, mStopTimeHour); outState.putInt(STATE_STOP_TIME_MINUTE, mStopTimeMinute); outState.putBoolean(STATE_DISCARD_EMPTY_NOTIFICATIONS, mDiscardEmptyNotifications); outState.putBoolean(STATE_ALL_DAY_SCHEDULE, mAllDaySchedule); super.onSaveInstanceState(outState); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: onBackPressed(); return true; default: return super.onOptionsItemSelected(item); } } @Override public void onBackPressed() { mAppSelection.setFilterText(mFilterText.getText().toString()); mAppSelection.setStartTimeHour(mStartTimeHour); mAppSelection.setStartTimeMinute(mStartTimeMinute); mAppSelection.setStopTimeHour(mStopTimeHour); mAppSelection.setStopTimeMinute(mStopTimeMinute); mAppSelection.setDiscardEmptyNotifications(mDiscardEmptyNotifications); mAppSelection.setAllDaySchedule(mAllDaySchedule); Intent intent = new Intent(); intent.putExtra(APP_SELECTION_EXTRA, mAppSelection); if (getParent() == null) { setResult(RESULT_OK, intent); } else { getParent().setResult(RESULT_OK, intent); } finish(); overridePendingTransition(R.transition.right_in, R.transition.right_out); super.onBackPressed(); } @Override public void onActivityResult2(int requestCode, Intent data) { int hour = data.getIntExtra(TimePickerFragment.EXTRA_HOUR, 0); int minute = data.getIntExtra(TimePickerFragment.EXTRA_MINUTE, 0); java.text.DateFormat timeFormat = DateFormat.getTimeFormat(this); String formattedTime = timeFormat.format(Func.convertHourMinute2Date(hour, minute)); int time = hour * 60 + minute; if (requestCode == START_TIME_REQUEST) { mStartTimeHour = hour; mStartTimeMinute = minute; mStartTimeButton.setText(formattedTime); int stopTime = mStopTimeHour * 60 + mStopTimeMinute; if (time > stopTime) { mNextDay.setVisibility(View.VISIBLE); } else { mNextDay.setVisibility(View.INVISIBLE); } } else if (requestCode == STOP_TIME_REQUEST) { mStopTimeHour = hour; mStopTimeMinute = minute; mStopTimeButton.setText(formattedTime); int startTime = mStartTimeHour * 60 + mStartTimeMinute; if (time < startTime) { mNextDay.setVisibility(View.VISIBLE); } else { mNextDay.setVisibility(View.INVISIBLE); } } } }