Next is the layout for the main app: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/ android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:id="@+id/timeTextView" android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="Alarmsutta!" android:textSize="40px" android:gravity="center" android:layout_marginTop="20px" android:layout_marginBottom="20px" /> <ListView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" android:id="@+id/alarmsListView" /> </LinearLayout>
On Jul 23, 6:20 pm, eags <[email protected]> wrote: > Ok, Just for the practice, I'm implementing something very similar to > the Alarm Clock app included in Android by default. I'm going to put > each file in their own post. > > First in this post, Alarmsutta.java which includes the main setup, and > the CursorAdapter: > > package net.esalazar.alarmsutta; > > import java.text.SimpleDateFormat; > import java.util.Calendar; > import java.util.Date; > > import android.app.Activity; > import android.content.Context; > import android.content.Intent; > import android.content.res.Resources; > import android.database.Cursor; > import android.os.Bundle; > import android.view.LayoutInflater; > import android.view.Menu; > import android.view.MenuItem; > import android.view.View; > import android.view.ViewGroup; > import android.view.View.OnClickListener; > import android.widget.AdapterView; > import android.widget.CheckBox; > import android.widget.CompoundButton; > import android.widget.CursorAdapter; > import android.widget.LinearLayout; > import android.widget.ListView; > import android.widget.TextView; > import android.widget.AdapterView.OnItemSelectedListener; > import android.widget.CompoundButton.OnCheckedChangeListener; > > public class Alarmsutta extends Activity { > > private Alarm selectedAlarm; > private AlarmDBAdapter dbAdapter; > > // Options menu codes > public final int MENU_NEW = Menu.FIRST; > public final int MENU_EDIT = Menu.FIRST + 1; > public final int MENU_DELETE = Menu.FIRST + 2; > > // Intent codes for starting activities > public final int NEW_ALARM = 1; > public final int EDIT_ALARM = 2; > > ListView alarmsListView; > AlarmCursorAdapter cursorAdapter; > > Cursor allAlarmsCursor; > > private LayoutInflater layoutFactory; > > private class AlarmCursorAdapter extends CursorAdapter { > > public AlarmCursorAdapter(Context context, Cursor c) { > super(context, c, true); > } > > @Override > public View newView(Context context, Cursor cursor, ViewGroup > parent) { > return layoutFactory.inflate(R.layout.alarmlist_item, > parent, > false); > } > > @Override > public void bindView(View view, Context context, Cursor > cursor) { > final Alarm item = > dbAdapter.getAlarmFromCursor(cursor); > LinearLayout alarmView = (LinearLayout)view; > > Date expiry = item.getExpiry(); > String title = item.getTitle(); > > SimpleDateFormat sdf; > sdf = new SimpleDateFormat("MM/dd/yyyy"); > String expiryDateString = sdf.format(expiry); > sdf = new SimpleDateFormat("hh:mm"); > String expiryTimeString = sdf.format(expiry); > > String message = item.getMessage(); > final boolean enabled = item.isEnabled(); > > Calendar calendar = Calendar.getInstance(); > calendar.setTime(expiry); > > // Get references to all the elements we wish to muck > with > TextView titleTextView = > (TextView)alarmView.findViewById > (R.id.itemTitleTextView); > TextView messageTextView = > (TextView)alarmView.findViewById > (R.id.itemMessageTextView); > TextView timeTextView = > (TextView)alarmView.findViewById > (R.id.itemTimeTextView); > > // Dim the AM/PM label accordingly leaving the > correct one bright > TextView amTextView = (TextView)alarmView.findViewById > (R.id.itemAMTextView); > TextView pmTextView = (TextView)alarmView.findViewById > (R.id.itemPMTextView); > Resources r = getResources(); > int amPmColorOn = r.getColor(R.color.ampm_on); > int amPmColorOff = r.getColor(R.color.ampm_off); > if( calendar.get(Calendar.HOUR_OF_DAY) >= 12 ) { > amTextView.setTextColor(amPmColorOff); > pmTextView.setTextColor(amPmColorOn); > } else { > amTextView.setTextColor(amPmColorOn); > pmTextView.setTextColor(amPmColorOff); > } > CheckBox enabledCheckBox = > (CheckBox)alarmView.findViewById > (R.id.itemEnabledCheckBox); > > // Set the title and message accordingly. We prefix > the message > with > // the date just to be coy. > titleTextView.setText(title); > messageTextView.setText( expiryDateString + " " + > message ); > timeTextView.setText(expiryTimeString); > enabledCheckBox.setChecked(enabled); > > enabledCheckBox.setOnCheckedChangeListener(new > OnCheckedChangeListener() { > public void onCheckedChanged(CompoundButton > buttonView, boolean > isChecked) { > item.setEnabled(isChecked); > dbAdapter.updateAlarm(item.getId(), > item); > notifyDataSetChanged(); > } > }); > LinearLayout alarmSelectionBox = (LinearLayout) > alarmView.findViewById(R.id.alarmSelectionBox); > alarmSelectionBox.setOnClickListener(new > OnClickListener() { > public void onClick(View v) { > > startEditAlarm(dbAdapter.getAlarm(item.getId())); > } > }); > > } > > } > > @Override > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > setContentView(R.layout.main); > layoutFactory = LayoutInflater.from(this); > > // Set up array adapter and viewer for alarms list > dbAdapter = new AlarmDBAdapter(this); > dbAdapter.open(); > allAlarmsCursor = dbAdapter.getAllAlarmItemsCursor(); > cursorAdapter = new AlarmCursorAdapter(this, allAlarmsCursor); > > alarmsListView = (ListView)findViewById(R.id.alarmsListView); > > alarmsListView.setAdapter(cursorAdapter); > alarmsListView.setVerticalScrollBarEnabled(true); > alarmsListView.setItemsCanFocus(true); > alarmsListView.setOnItemSelectedListener(new > OnItemSelectedListener() { > public void onItemSelected(AdapterView<?> parent, > View view, int > position, long id) { > selectedAlarm = dbAdapter.getAlarm(id); > } > public void onNothingSelected(AdapterView<?> arg0) { > selectedAlarm = null; > } > }); > > } > > @Override > protected void onActivityResult(int requestCode, int resultCode, > Intent data) { > > super.onActivityResult(requestCode, resultCode, data); > > if( resultCode != Activity.RESULT_OK ) > return; > > Date expiry = new Date(data.getLongExtra("expiryTime", 0)); > String title = data.getStringExtra("title"); > String message = data.getStringExtra("message"); > boolean enabled = data.getBooleanExtra("enabled", true); > int id = data.getIntExtra("id", -1); > > Alarm newAlarm = new Alarm(expiry, title, message, enabled, > id); > > switch( requestCode ) { > case( NEW_ALARM ): { > dbAdapter.insertAlarm(newAlarm); > > break; > } > case( EDIT_ALARM ): { > // If we only get the default value of -1 > then something is wrong > if( id == -1 ) > throw new RuntimeException(); > > dbAdapter.updateAlarm(id, newAlarm); > break; > } > } > allAlarmsCursor.requery(); > cursorAdapter.notifyDataSetChanged(); > > } > > @Override > public void onDestroy() { > dbAdapter.close(); > super.onDestroy(); > } > > @Override > public boolean onCreateOptionsMenu(Menu menu) { > > super.onCreateOptionsMenu(menu); > > // Add menu item for creating a new alarm and > // one for deleting selected alarm > menu.add(0, MENU_NEW, Menu.NONE, R.string.menu_new ); > menu.add(0, MENU_EDIT, Menu.NONE, R.string.menu_edit ); > menu.add(0, MENU_DELETE, Menu.NONE, R.string.menu_delete ); > > return true; > > } > > @Override > public boolean onPrepareOptionsMenu(Menu menu) { > super.onPrepareOptionsMenu(menu); > > MenuItem editItem = menu.findItem(MENU_EDIT); > MenuItem deleteItem = menu.findItem(MENU_DELETE); > > boolean showEditOptions = (selectedAlarm != null); > > editItem.setVisible(showEditOptions); > deleteItem.setVisible(showEditOptions); > > return true; > } > > private void startEditAlarm(Alarm alarm) { > // Tell the NewAlarm activity what to expect > Intent i = new Intent(this,NewAlarm.class); > > i.putExtra("expiryTime", alarm.getExpiry().getTime()); > i.putExtra("title", alarm.getTitle()); > i.putExtra("message", alarm.getMessage()); > i.putExtra("enabled", alarm.isEnabled()); > i.putExtra("id", alarm.getId()); > > startActivityForResult(i, EDIT_ALARM); > } > > @Override > public boolean onOptionsItemSelected(MenuItem item) { > > // Figure out which item this is and act accordingly > // If it is to create or edit > switch( item.getItemId() ) { > > case( MENU_NEW ): { > Intent i = new Intent(this,NewAlarm.class); > startActivityForResult(i, NEW_ALARM); > return true; > } > case( MENU_EDIT ): { > startEditAlarm(selectedAlarm); > return true; > } > case( MENU_DELETE ): { > dbAdapter.removeAlarm(selectedAlarm.getId()); > allAlarmsCursor.requery(); > cursorAdapter.notifyDataSetChanged(); > return true; > } > } > > return false; > > } > > } > > On Jul 23, 6:16 pm, Gregg Reno <[email protected]> wrote: > > > > > It would be great if you could post the code and xml! I'm using a > > SimpleCursorAdapter and would love to see how you are using the > > CursorAdaptor instead. My app is a little tricky because I extend > > TabActivity rather than ListActivity. If I get it working, maybe I'll > > put together a standalone tutorial. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
