备忘录--android初学者例子

package wap3.test.taskReminder; import java.util.Calendar; import wap3.test.taskReminder.TaskList.Tasks; import android.app.AlarmManager; import android.app.AlertDialog; import android.app.DatePickerDialog; import android.app.Dialog; import android.app.ListActivity; import android.app.PendingIntent; import android.app.TimePickerDialog; import android.content.ContentUris; import android.content.ContentValues; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Color; import android.graphics.drawable.ColorDrawable; import android.net.Uri; import android.os.Bundle; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.BaseAdapter; import android.widget.CheckedTextView; import android.widget.DatePicker; import android.widget.EditText; import android.widget.ImageButton; import android.widget.ListView; import android.widget.TextView; import android.widget.TimePicker; public class TaskInfoActivity extends ListActivity { // 备忘录信息列表 private ListView listView = null; // 提醒日期 private int mYear; private int mMonth; private int mDay; // 提醒时间 private int mHour; private int mMinute; // 日期显示TextView private TextView dateName, dateDesc; // 时间显示TextView private TextView timeName, timeDesc; // 提醒内容TextView private TextView contentName, contentDesc; // 是否开启提醒 private int on_off = 0; // 是否声音警告 private int alarm = 0; // 显示日期、时间对话框常量 static final int DATE_DIALOG_ID = 0; static final int TIME_DIALOG_ID = 1; // 保存内容、日期、时间字符串 private String content, date1, time1; // 备忘录ID private int id1; //复选框 private CheckedTextView ctv1,ctv2; private ImageButton okBtn, cancelBtn; //访问布局实例 private LayoutInflater li; boolean save = true; private static final String TAG = "TaskInfoActivity"; private void init(Intent intent){ Bundle b = intent.getBundleExtra("wap3.test.taskReminder.Bundle"); if(b!=null){ id1 = b.getInt("id"); content = b.getString("content"); date1 = b.getString("date1"); time1 = b.getString("time1"); on_off = b.getInt("on_off"); alarm = b.getInt("alarm"); Log.v(TAG, "get values from buble "+id1+" "+content+" "+date1+" "+time1+" "+on_off+" "+alarm); if (date1 != null && date1.length() > 0) { String[] strs = date1.split("/"); mYear = Integer.parseInt(strs[0]); mMonth = Integer.parseInt(strs[1]); mDay = Integer.parseInt(strs[2]); } if (time1 != null && time1.length() > 0) { String[] strs = time1.split(":"); mHour = Integer.parseInt(strs[0]); mMinute = Integer.parseInt(strs[1]); } } } public void onCreate(Bundle bundle){ super.onCreate(bundle); listView = getListView(); listView.setBackgroundResource(R.color.bkgcolor); listView.setDividerHeight(1); listView.setDivider(new ColorDrawable(R.color.dividercolor)); li = getLayoutInflater(); listView.setAdapter(new ViewAdapter()); listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); Log.v(TAG, "TaskInfoActivity created"); final Calendar c = Calendar.getInstance(); // 获得当前日期、时间 mYear = c.get(Calendar.YEAR); mMonth = c.get(Calendar.MONTH) + 1; mDay = c.get(Calendar.DAY_OF_MONTH); mHour = c.get(Calendar.HOUR_OF_DAY); mMinute = c.get(Calendar.MINUTE); listView.setOnItemClickListener(new OnItemClickListener(){ public void onItemClick(AdapterView<?> av, View view, int position, long id) { switch(position){ // 设置是否开启提醒 case 0: ctv1 = (CheckedTextView) view; Log.v(TAG, "2 on_off=" + on_off); if (ctv1.isChecked()) { on_off = 0; } else { on_off = 1; } break; // 设置提醒日期 case 1: showDialog(DATE_DIALOG_ID); break; // 设置提醒时间 case 2: showDialog(TIME_DIALOG_ID); break; // 设置提醒内容 case 3: showDialog1(getString(R.string.hint)); break; // 设置是否开启语音提醒 case 4: ctv2 = (CheckedTextView) view; Log.v(TAG, "2 alarm=" + alarm); if (ctv2.isChecked()) { alarm = 0; setAlarm(false); } else { alarm = 1; setAlarm(true); } break; case 5: break; default: break; } } }); } public void onResume(){ super.onResume(); Log.v(TAG, "TaskInfoActivity resume"); init(getIntent()); } class ViewAdapter extends BaseAdapter{ String[] strs = { getResources().getString(R.string.remind), getResources().getString(R.string.date), getResources().getString(R.string.time), getResources().getString(R.string.content), getResources().getString(R.string.alarm), "ButtonView" }; // String[] strs = { "是否开启", "日期", "时间", "内容", "开启闹钟" }; public int getCount() { return strs.length; } public Object getItem(int position) { return strs[position]; } public long getItemId(final int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { View v = li.inflate(R.layout.item_row, null); switch(position){ case 0: ctv1 = (CheckedTextView) li.inflate(android.R.layout.simple_list_item_multiple_choice, null); ctv1.setText(strs[position]); ctv1.setTextColor(Color.BLACK); Log.v(TAG, "1 on_off=" + on_off); if(on_off == 0) ctv1.setChecked(false); else ctv1.setChecked(true); return ctv1; case 1: dateName = (TextView)v.findViewById(R.id.name); dateDesc = (TextView)v.findViewById(R.id.desc); dateName.setText(strs[position]); //mMonth ranges from 0 to 11, but in reality the month ranges from 1 to 12 dateDesc.setText(mYear + "/" + mMonth + "/" + mDay); return v; case 2: timeName = (TextView)v.findViewById(R.id.name); timeDesc = (TextView)v.findViewById(R.id.desc); timeName.setText(strs[position]); timeDesc.setText(mHour + ":" + mMinute); return v; case 3: contentName = (TextView)v.findViewById(R.id.name); contentDesc = (TextView)v.findViewById(R.id.desc); contentName.setText(strs[position]); contentDesc.setText(content); return v; case 4: ctv2 = (CheckedTextView) li.inflate(android.R.layout.simple_list_item_multiple_choice, null); ctv2.setText(strs[position]); ctv2.setTextColor(Color.BLACK); Log.v(TAG, "1 alarm=" + alarm); if(alarm == 0) ctv2.setChecked(false); else ctv2.setChecked(true); return ctv2; case 5: View btnView = li.inflate(R.layout.item_button, null); okBtn = (ImageButton)btnView.findViewById(R.id.okButton2); cancelBtn = (ImageButton)btnView.findViewById(R.id.cancelButton02); okBtn.setOnClickListener(new OnClickListener() { public void onClick(View v) { save=true; Intent intent = new Intent(); intent.setClass(TaskInfoActivity.this, TaskReminderActivity.class); startActivity(intent); } }); cancelBtn.setOnClickListener(new OnClickListener() { public void onClick(View v) { save=false; Intent intent = new Intent(); intent.setClass(TaskInfoActivity.this, TaskReminderActivity.class); startActivity(intent); } }); return btnView; default: break; } return null; } } // 时间选择对话框 private TimePickerDialog.OnTimeSetListener mTimeSetListener = new TimePickerDialog.OnTimeSetListener() { public void onTimeSet(TimePicker view, int hourOfDay, int minute) { mHour = hourOfDay; mMinute = minute; timeDesc.setText(mHour + ":"