我是Android开发的新手。当我启动我的应用程序时，一切都很顺利，但是当我尝试退出应用程序时，应用程序突然崩溃，我在LogCat中得到FATAL EXCEPTION: main。你们中的任何人都可以帮我解决问题吗？谢谢！
这是完整的LogCat：
06-01 11:26:42.217: W/dalvikvm(17083): threadid=1: thread exiting with uncaught exception (group=0x40f19258)
06-01 11:26:42.221: E/AndroidRuntime(17083): FATAL EXCEPTION: main
06-01 11:26:42.221: E/AndroidRuntime(17083): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.uangel.suishouji/com.uangel.suishouji.MainActivity}: java.lang.NullPointerException
06-01 11:26:42.221: E/AndroidRuntime(17083): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2077)
06-01 11:26:42.221: E/AndroidRuntime(17083): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2104)
06-01 11:26:42.221: E/AndroidRuntime(17083): at android.app.ActivityThread.access$600(ActivityThread.java:134)
06-01 11:26:42.221: E/AndroidRuntime(17083): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1247)
06-01 11:26:42.221: E/AndroidRuntime(17083): at android.os.Handler.dispatchMessage(Handler.java:99)
06-01 11:26:42.221: E/AndroidRuntime(17083): at android.os.Looper.loop(Looper.java:154)
06-01 11:26:42.221: E/AndroidRuntime(17083): at android.app.ActivityThread.main(ActivityThread.java:4624)
06-01 11:26:42.221: E/AndroidRuntime(17083): at java.lang.reflect.Method.invokeNative(Native Method)
06-01 11:26:42.221: E/AndroidRuntime(17083): at java.lang.reflect.Method.invoke(Method.java:511)
06-01 11:26:42.221: E/AndroidRuntime(17083): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:809)
06-01 11:26:42.221: E/AndroidRuntime(17083): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:576)
06-01 11:26:42.221: E/AndroidRuntime(17083): at dalvik.system.NativeStart.main(Native Method)
06-01 11:26:42.221: E/AndroidRuntime(17083): Caused by: java.lang.NullPointerException
06-01 11:26:42.221: E/AndroidRuntime(17083): at com.uangel.suishouji.MainActivity.initInfo(MainActivity.java:207)
06-01 11:26:42.221: E/AndroidRuntime(17083): at com.uangel.suishouji.MainActivity.onCreate(MainActivity.java:70)
06-01 11:26:42.221: E/AndroidRuntime(17083): at android.app.Activity.performCreate(Activity.java:4479)
06-01 11:26:42.221: E/AndroidRuntime(17083): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1050)
06-01 11:26:42.221: E/AndroidRuntime(17083): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2041)
06-01 11:26:42.221: E/AndroidRuntime(17083): ... 11 more
代码：
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import com.uangel.suishouji.db.MyDbHelper;
import com.uangel.suishouji.utility.MyProcessBar;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
public class MainActivity extends Activity implements OnClickListener {
/** Called when the activity is first created. */
private final int DATE_MOTH_DAY = 1;
private final int DATE_DAY = 2;
private MyDbHelper db = null;
private Calendar calendar = Calendar.getInstance();
private String year = null;
private String month = null;
private String day = null;
private String weekStart = null;
private String weekEnd = null;
private int income_amount = 0;
private int expense_amount = 0;
private Button add_expense_quickly_btn = null;
private TextView month_tv = null;
private TextView income_amount_tv = null;
private TextView expense_amount_tv = null;
private TextView budget_balance_amount_tv = null;
private TextView date_of_month_tv = null;
private TextView today_datestr_tv = null;
private TextView today_expense_amount_tv = null;
private TextView today_income_amount_tv = null;
private TextView week_datestr_tv = null;
private TextView week_expense_amount_tv = null;
private TextView week_income_amount_tv = null;
private TextView month_datestr_tv = null;
private TextView month_expense_amount_tv = null;
private TextView month_income_amount_tv = null;
private MyProcessBar myProcessBar = null;
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK){
initInfo();
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main_activity);
initDate();
loadingFormation();
initInfo();
}
/*
* (non-Javadoc)
*
* @see android.view.View.OnClickListener#onClick(android.view.View)
*/
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent in = null;
if (v == add_expense_quickly_btn) {
in = new Intent(MainActivity.this, TransactionTabActivity.class);
startActivity(in);
finish();
}
long curtime = getCurrentTime();
switch (v.getId()) {
case R.id.today_row_rl:
showNavExpenseActivity(curtime, curtime, getString(R.string.text_title_today), NavExpenseActivity.mode_day);
break;
case R.id.week_row_rl:
showNavExpenseActivity(getFirstOfWeek(curtime), getLastOfWeek(curtime), getString(R.string.text_title_week), NavExpenseActivity.mode_week);
break;
case R.id.month_row_rl:
showNavExpenseActivity(getFirstOfMonth(curtime), getLastOfMonth(curtime),getString(R.string.text_title_month), NavExpenseActivity.mode_month);
break;
case R.id.nav_account_btn:
startActivity(new Intent(this, SettingAccountActivity.class));
break;
}
}
private void showNavExpenseActivity(long startTime, long endTime, String title, int mode)
{
Intent intent = new Intent(this, NavExpenseActivity.class);
intent.putExtra(NavExpenseActivity.str_startTime, startTime);
intent.putExtra(NavExpenseActivity.str_endTime, endTime);
intent.putExtra(NavExpenseActivity.str_title, title);
intent.putExtra(NavExpenseActivity.str_mode, mode);
startActivity(intent);
}
// ==================== date function ===========================================//
public static long getCurrentTime() {
return Calendar.getInstance().getTimeInMillis();
}
public static long getFirstOfWeek(long time) {
Date date1, date2;
date1 = new Date(time);
date2 = new Date(date1.getYear(), date1.getMonth(), date1.getDate() - (date1.getDay() + 6) % 7);
return date2.getTime();
}
public static long getLastOfWeek(long time) {
Date date1, date2;
date1 = new Date(time);
date2 = new Date(date1.getYear(), date1.getMonth(), date1.getDate() - (date1.getDay() + 6) % 7 + 6);
return date2.getTime();
}
public static long getFirstOfMonth(long time) {
Date date1, date2;
date1 = new Date(time);
date2 = new Date(date1.getYear(), date1.getMonth(), 1);
return date2.getTime();
}
public static long getLastOfMonth(long time) {
Date date1, date2;
date1 = new Date(time);
date2 = new Date(date1.getYear(), date1.getMonth() + 1, 0);
return date2.getTime();
}
private void initDate(){
year = String.valueOf(calendar.get(Calendar.YEAR));
month = String.valueOf(calendar.get(Calendar.MONTH)+1);
if(Integer.parseInt(month)<10)
month ="0" + month;
day = String.valueOf(calendar.get(Calendar.DATE));
if(Integer.parseInt(day)<10)
day ="0" + day;
calendar.setFirstDayOfWeek(Calendar.MONDAY);
}
private void loadingFormation() {
add_expense_quickly_btn = (Button) findViewById(R.id.add_expense_quickly_btn);
add_expense_quickly_btn.setOnClickListener(this);
month_tv = (TextView) findViewById(R.id.month_tv);
income_amount_tv = (TextView) findViewById(R.id.income_amount_tv);
expense_amount_tv = (TextView) findViewById(R.id.expense_amount_tv);
budget_balance_amount_tv = (TextView) findViewById(R.id.budget_balance_amount_tv);
date_of_month_tv = (TextView) findViewById(R.id.date_of_month_tv);
today_datestr_tv = (TextView) findViewById(R.id.today_datestr_tv);
today_expense_amount_tv = (TextView) findViewById(R.id.today_expense_amount_tv);
today_income_amount_tv = (TextView) findViewById(R.id.today_income_amount_tv);
week_datestr_tv = (TextView) findViewById(R.id.week_datestr_tv);
week_expense_amount_tv = (TextView) findViewById(R.id.week_expense_amount_tv);
week_income_amount_tv = (TextView) findViewById(R.id.week_income_amount_tv);
month_datestr_tv = (TextView) findViewById(R.id.month_datestr_tv);
month_expense_amount_tv = (TextView) findViewById(R.id.month_expense_amount_tv);
month_income_amount_tv = (TextView) findViewById(R.id.month_income_amount_tv);
findViewById(R.id.today_row_rl).setOnClickListener(this);
findViewById(R.id.week_row_rl ).setOnClickListener(this);
findViewById(R.id.month_row_rl).setOnClickListener(this);
findViewById(R.id.nav_account_btn).setOnClickListener(this);
}
private void initInfo() {
db = SplashScreenActivity.db;
// text
// calendar.set(2011, 0, 3);
// db.insert("TBL_EXPENDITURE", new String[] {"AMOUNT","DATE"}, new String[] {"100",format(calendar.getTime())});
month_tv.setText(month);
Cursor cursor = db.rawQuery("select sum(AMOUNT) from TBL_INCOME",null);
if (cursor.moveToNext()) {
income_amount_tv.setText("RM " + cursor.getDouble(0));
income_amount = (int) cursor.getDouble(0);
}
cursor = db.rawQuery("select sum(AMOUNT) from TBL_EXPENDITURE",null);
if (cursor.moveToNext()) {
expense_amount = (int) cursor.getDouble(0);
expense_amount_tv.setText("RM " + cursor.getDouble(0));
}
cursor = db.rawQuery("select sum(BUDGET) from TBL_EXPENDITURE_CATEGORY",null);
if (cursor.moveToNext()) {
budget_balance_amount_tv.setText("-RM " + cursor.getDouble(0));
}
date_of_month_tv.setText(day);
today_datestr_tv.setText(year + "/" + month + "/" + day);
cursor = db.rawQuery("select sum(AMOUNT) from TBL_EXPENDITURE where strftime('%Y-%m-%d',DATE)=?", new String[]{format(calendar.getTime(),0)});
if (cursor.moveToNext()) {
today_expense_amount_tv.setText("-RM " + cursor.getDouble(0));
}
cursor = db.rawQuery("select sum(AMOUNT) from TBL_INCOME where strftime('%Y-%m-%d',DATE)=?", new String[]{format(calendar.getTime(),0)});
if (cursor.moveToNext()) {
today_income_amount_tv.setText("RM " + cursor.getDouble(0));
}
cursor = db.rawQuery("select sum(AMOUNT) from TBL_EXPENDITURE where strftime('%Y-%m-%d',DATE)>=? and strftime('%Y-%m-%d',DATE)<=?", new String[]{getMondayOFWeek(),getCurrentWeekday()});
if (cursor.moveToNext()) {
week_expense_amount_tv.setText("-RM " + cursor.getDouble(0));
}
cursor = db.rawQuery("select sum(AMOUNT) from TBL_INCOME where strftime('%Y-%m-%d',DATE)>=? and strftime('%Y-%m-%d',DATE)<=?", new String[]{getMondayOFWeek(),getCurrentWeekday()});
if (cursor.moveToNext()) {
week_income_amount_tv.setText("RM " + cursor.getDouble(0));
}
week_datestr_tv.setText(weekStart + "-" + weekEnd);
month_datestr_tv.setText(month + "/01-" + month + "/" + getDefaultDay());
cursor = db.rawQuery("select sum(AMOUNT) from TBL_EXPENDITURE where strftime('%Y%m',DATE)=?", new String[]{year + month});
if (cursor.moveToNext()) {
month_expense_amount_tv.setText("- RM " + cursor.getDouble(0));
}
cursor = db.rawQuery("select sum(AMOUNT) from TBL_INCOME where strftime('%Y%m',DATE)=?", new String[]{year + month});
if (cursor.moveToNext()) {
month_income_amount_tv.setText("RM " + cursor.getDouble(0));
}
cursor.close();
// myProcessBar.setProgress(expense_amount/income_amount);
}
private int getMondayPlus() {
int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK)-1;
if (dayOfWeek == 1) {
return 0;
} else {
return 1 - dayOfWeek;
}
}
public String getCurrentWeekday() {
int mondayPlus = this.getMondayPlus();
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(GregorianCalendar.DATE, mondayPlus+6);
Date monday = currentDate.getTime();
String preMonday = format(monday,0);
weekEnd = format(monday,DATE_MOTH_DAY);
return preMonday;
}
public String getMondayOFWeek(){
int mondayPlus = this.getMondayPlus();
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(GregorianCalendar.DATE, mondayPlus);
Date monday = currentDate.getTime();
String preMonday = format(monday,0);
weekStart = format(monday,DATE_MOTH_DAY);
return preMonday;
}
public String getDefaultDay(){
String str = "";
Calendar lastDate = Calendar.getInstance();
lastDate.set(Calendar.DATE,1);
lastDate.add(Calendar.MONTH,1);
lastDate.add(Calendar.DATE,-1);
str=format(lastDate.getTime(),DATE_DAY);
return str;
}
private String format(Date date,int id){
String str = "";
SimpleDateFormat ymd = null;
switch (id) {
case DATE_MOTH_DAY:
ymd = new SimpleDateFormat("MM/dd");
break;
case DATE_DAY:
ymd = new SimpleDateFormat("dd");
break;
default:
ymd = new SimpleDateFormat("yyyy-MM-dd");
break;
}
str = ymd.format(date);
return str;
}
public void onBackPressed() {
new AlertDialog.Builder(this).setTitle(getString(R.string.point))
.setMessage(getString(R.string.exit_message))
.setPositiveButton(getString(R.string.exit_ok), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
// TODO Auto-generated method stub
db.close();
finish();
android.os.Process.killProcess(android.os.Process.myPid());
}
}).setNegativeButton(getString(R.string.exit_cancle), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
// TODO Auto-generated method stub
}
}).show();
}
}
以下是启动画面活动的编码：
import com.uangel.suishouji.db.MyDbHelper;
import android.app.Activity;
import android.content.Intent;
import android.content.res.Resources;
import android.database.Cursor;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
/**
* @author weijun
*
*/
public class SplashScreenActivity extends Activity {
public static MyDbHelper db = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash_screen_activity);
initialDBData();
CommonData.getInstance().load(this);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// TODO Auto-generated method stub
//activity jump
Intent i=new Intent(SplashScreenActivity.this,MainActivity.class);
startActivity(i);
this.finish();
return super.onTouchEvent(event);
}
private void initialDBData() {
// create database
// deleteDatabase("mydb");
db = MyDbHelper.getInstance(this.getApplicationContext());
Resources res = this.getResources();
db.open();
Cursor cursor = db.select("TBL_EXPENDITURE_CATEGORY", new String[] {
"ID", "NAME", "BUDGET" }, null, null, null, null, null);
if (cursor.moveToNext()) {
cursor.close();
// db.close();
return;
}
// insert expense
String[] arr = res.getStringArray(R.array.TBL_EXPENDITURE_CATEGORY);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_EXPENDITURE_CATEGORY", new String[] { "NAME",
"BUDGET" }, new String[] { arr[i], "0" });
}
// insert sub category
arr = res.getStringArray(R.array.TBL_EXPENDITURE_SUB_CATEGORY_1);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_EXPENDITURE_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "1" });
}
arr = res.getStringArray(R.array.TBL_EXPENDITURE_SUB_CATEGORY_2);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_EXPENDITURE_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "2" });
}
arr = res.getStringArray(R.array.TBL_EXPENDITURE_SUB_CATEGORY_3);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_EXPENDITURE_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "3" });
}
arr = res.getStringArray(R.array.TBL_EXPENDITURE_SUB_CATEGORY_4);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_EXPENDITURE_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "4" });
}
arr = res.getStringArray(R.array.TBL_EXPENDITURE_SUB_CATEGORY_5);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_EXPENDITURE_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "5" });
}
arr = res.getStringArray(R.array.TBL_EXPENDITURE_SUB_CATEGORY_6);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_EXPENDITURE_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "6" });
}
arr = res.getStringArray(R.array.TBL_EXPENDITURE_SUB_CATEGORY_7);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_EXPENDITURE_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "7" });
}
arr = res.getStringArray(R.array.TBL_EXPENDITURE_SUB_CATEGORY_8);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_EXPENDITURE_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "8" });
}
arr = res.getStringArray(R.array.TBL_EXPENDITURE_SUB_CATEGORY_9);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_EXPENDITURE_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "9" });
}
arr = res.getStringArray(R.array.TBL_EXPENDITURE_SUB_CATEGORY_10);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_EXPENDITURE_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "10" });
}
arr = res.getStringArray(R.array.TBL_EXPENDITURE_SUB_CATEGORY_11);
for (int i = 0; i < arr.length; i++) {
Log.i(" TEST", arr[i]);
db.insert("TBL_EXPENDITURE_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "11" });
}
// insert income category
arr = res.getStringArray(R.array.TBL_INCOME_CATEGORY);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_INCOME_CATEGORY", new String[] { "NAME" },
new String[] { arr[i] });
}
// insert income sub
arr = res.getStringArray(R.array.TBL_INCOME_SUB_CATEGORY_1);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_INCOME_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "1" });
}
arr = res.getStringArray(R.array.TBL_INCOME_SUB_CATEGORY_2);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_INCOME_SUB_CATEGORY", new String[] { "NAME",
"PARENT_CATEGORY_ID" }, new String[] { arr[i], "2" });
}
// insert account
arr = res.getStringArray(R.array.TBL_ACCOUNT_TYPE);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_ACCOUNT_TYPE", new String[] { "NAME", "POSTIVE" },
new String[] { arr[i].substring(0, arr[i].indexOf(",")),
arr[i].substring(arr[i].indexOf(",") + 1) });
}
// insert account sub
arr = res.getStringArray(R.array.TBL_ACCOUNT_SUB_TYPE_1);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_ACCOUNT_SUB_TYPE", new String[] { "NAME",
"PARENT_TYPE_ID" }, new String[] { arr[i], "1" });
}
arr = res.getStringArray(R.array.TBL_ACCOUNT_SUB_TYPE_2);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_ACCOUNT_SUB_TYPE", new String[] { "NAME",
"PARENT_TYPE_ID" }, new String[] { arr[i], "2" });
}
arr = res.getStringArray(R.array.TBL_ACCOUNT_SUB_TYPE_3);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_ACCOUNT_SUB_TYPE", new String[] { "NAME",
"PARENT_TYPE_ID" }, new String[] { arr[i], "3" });
}
arr = res.getStringArray(R.array.TBL_ACCOUNT_SUB_TYPE_4);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_ACCOUNT_SUB_TYPE", new String[] { "NAME",
"PARENT_TYPE_ID" }, new String[] { arr[i], "4" });
}
arr = res.getStringArray(R.array.TBL_ACCOUNT_SUB_TYPE_5);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_ACCOUNT_SUB_TYPE", new String[] { "NAME",
"PARENT_TYPE_ID" }, new String[] { arr[i], "5" });
}
// insert account
arr = res.getStringArray(R.array.TBL_ACCOUNT);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_ACCOUNT", new String[] { "NAME", "TYPE_ID",
"SUB_TYPE_ID", "ACCOUNT_BALANCE" }, arr[i].split(","));
}
// insert store
arr = res.getStringArray(R.array.TBL_STORE);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_STORE", new String[] { "NAME" },
new String[] { arr[i] });
}
// insert item
arr = res.getStringArray(R.array.TBL_ITEM);
for (int i = 0; i < arr.length; i++) {
Log.i("TEST", arr[i]);
db.insert("TBL_ITEM", new String[] { "NAME" },
new String[] { arr[i] });
}
/*
* cursor =db.select("TBL_EXPENDITURE_CATEGORY", new
* String[]{"ID","NAME","BUDGET"}, null, null, null, null, null);
* while(cursor.moveToNext()) {
* Log.i("TBL_EXPENDITURE_CATEGORY",cursor.getString
* (0)+","+cursor.getString(1)); }
*/
// db.close();
}
}
这意味着我需要纠正什么？抱歉，我是Android开发人员的新手。 surrender8388：我应该放什么不能从db读取？