If user chooses "Add note", the editor activity launches.
Now if user slide out/in the keyboard, each time orientation changes,
onCreate gets called so a new row is inserted into the database, which
is obviously not desirable.
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final Intent intent = getIntent();
// Do some setup based on the action being performed.
final String action = intent.getAction();
if (Intent.ACTION_EDIT.equals(action)) {
// Requested to edit: set that state, and the data being
edited.
mState = STATE_EDIT;
mUri = intent.getData();
} else if (Intent.ACTION_INSERT.equals(action)) {
// Requested to insert: set that state, and create a new
entry
// in the container.
mState = STATE_INSERT;
mUri = getContentResolver().insert(intent.getData(),
null);
// If we were unable to create a new note, then just
finish
// this activity. A RESULT_CANCELED will be sent back to
the
// original activity if they requested a result.
if (mUri == null) {
Log.e(TAG, "Failed to insert new note into " +
getIntent().getData());
finish();
return;
}
// The new entry was created, so assume all will end well
and
// set the result to be returned.
setResult(RESULT_OK, (new Intent()).setAction(mUri.toString
()));
} else {
// Whoops, unknown action! Bail.
Log.e(TAG, "Unknown action, exiting");
finish();
return;
}
// Set the layout for this activity. You can find it in res/
layout/note_editor.xml
setContentView(R.layout.note_editor);
// The text view for our note, identified by its ID in the XML
file.
mText = (EditText) findViewById(R.id.note);
// Get the note!
mCursor = managedQuery(mUri, PROJECTION, null, null, null);
// If an instance of this activity had previously stopped, we
can
// get the original text it started with.
if (savedInstanceState != null) {
mOriginalContent = savedInstanceState.getString
(ORIGINAL_CONTENT);
}
}
What is the correct (best practice) code to avoid a second (or third)
record from being inserted?
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