@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.diary_home);
mDbHelper = new DiaryDbAdapter(this);
mDbHelper.open();
renderListView();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mDbHelper = new DiaryDbAdapter(this);
mDbHelper.open();
setContentView(R.layout.discovery_edit);
mTitleText = (EditText) findViewById(R.id.title);
mBodyText = (EditText) findViewById(R.id.body);
Button confirmButton = (Button) findViewById(R.id.confirm);
Button cancelButton = (Button) findViewById(R.id.beiwang_cancel);
mRowId = null;
// ÿһ��intent�����һ��Bundle�͵�extras���ݡ�
Bundle extras = getIntent().getExtras();
if (extras != null) {
String title = extras.getString(DiaryDbAdapter.KEY_TITLE);
String body = extras.getString(DiaryDbAdapter.KEY_BODY);
mRowId = extras.getLong(DiaryDbAdapter.KEY_ROWID);
if (title != null) {
mTitleText.setText(title);
}
if (body != null) {
mBodyText.setText(body);
}
}
final Toast t = Toast.makeText(this, "标题不能为空", Toast.LENGTH_LONG);
confirmButton.setOnClickListener(
new View.OnClickListener() {
public void onClick(View view) {
String title = mTitleText.getText().toString();
String body = mBodyText.getText().toString();
if (title.isEmpty()) {
t.show();
finish();
} else {
if (mRowId != null) {
mDbHelper.updateDiary(mRowId, title, body);
} else mDbHelper.createDiary(title, body);
Intent mIntent = new Intent();
setResult(RESULT_OK, mIntent);
finish();
}
}
});
cancelButton.setOnClickListener(
new View.OnClickListener() {
public void onClick(View view) {
finish();
}
});
}
private void renderListView() {
// TODO Auto-generated method stub
mDiaryCursor = mDbHelper.getAllNotes();
startManagingCursor(mDiaryCursor);
String[] from = new String[] {DiaryDbAdapter.KEY_TITLE, DiaryDbAdapter.KEY_CREATED};
int[] to = new int[] {R.id.text, R.id.created};
SimpleCursorAdapter notes = new SimpleCursorAdapter(this, R.layout.row, mDiaryCursor, from, to);
setListAdapter(notes);
}
public boolean onMenuItemSelected(int featureId, MenuItem item) {
switch (item.getItemId()) {
case INSERT_ID:
create_diary();
return true;
case DELETE_ID:
mDbHelper.deleteDiary(getListView().getSelectedItemId());
renderListView();
return true;
}
return super.onMenuItemSelected(featureId, item);
}
