EditActivity.java
package com.example.dj;
import android.os.Bundle;
import android.app.Activity;
import android.database.Cursor;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.Toast;
public class EditActivity extends Activity {
private EditText mTitleText;
private EditText mBodyText;
private Long mRowId;
private ToDoDatabase mDbHelper;
private Spinner mCategory;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mDbHelper = new ToDoDatabase(this);
setContentView(R.layout.edit_main);
mCategory = (Spinner) findViewById(R.id.category);
mTitleText = (EditText) findViewById(R.id.todo_edit_summary);
mBodyText = (EditText) findViewById(R.id.todo_edit_description);
Button confirmButton = (Button) findViewById(R.id.todo_edit_button);
mRowId = null;
Bundle extras = getIntent().getExtras();
mRowId = (savedInstanceState == null) ? null
: (Long) savedInstanceState
.getSerializable(ToDoDatabase.COLUMN_ID);
if (extras != null) {
mRowId = extras.getLong(ToDoDatabase.COLUMN_ID);
}
populateFields();
confirmButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
if (TextUtils.isEmpty(mTitleText.getText().toString())) {
Toast.makeText(EditActivity.this, "Berilganlar kiritilmagan",
Toast.LENGTH_LONG).show();
} else {
saveState();
setResult(RESULT_OK);
finish();
}
}
});
}
private void populateFields() {
if (mRowId != null) {
Cursor todo = mDbHelper.getTodo(mRowId);
startManagingCursor(todo);
String category = todo.getString(todo
.getColumnIndexOrThrow(ToDoDatabase.COLUMN_CATEGORY));
for (int i = 0; i < mCategory.getCount(); i++) {
String s = (String) mCategory.getItemAtPosition(i);
Log.e(null, s + " " + category);
if (s.equalsIgnoreCase(category)) {
mCategory.setSelection(i);
}
}
mTitleText.setText(todo.getString(todo
.getColumnIndexOrThrow(ToDoDatabase.COLUMN_SUMMARY)));
mBodyText.setText(todo.getString(todo
.getColumnIndexOrThrow(ToDoDatabase.COLUMN_DESCRIPTION)));
todo.close();
}
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
//saveState();
//outState.putSerializable(ToDoDatabase.COLUMN_ID, mRowId);
}
@Override
protected void onPause() {
super.onPause();
//saveState();
}
@Override
protected void onResume() {
super.onResume();
populateFields();
}
private void saveState() {
String category = (String) mCategory.getSelectedItem();
String summary = mTitleText.getText().toString();
String description = mBodyText.getText().toString();
if (description.length() == 0 && summary.length() == 0) {
return;
}
if (mRowId == null) {
long id = mDbHelper.createNewTodo(category, summary, description);
if (id > 0) {
mRowId = id;
}
} else {
mDbHelper.updateTodo(mRowId, category, summary, description);
}
}
}
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