Java Android应用程序在Emulator上运行，但在设备启动时崩溃
我已经阅读了数千页，还没有找到解决办法。我在Android开发方面相对较新，这是我第一次在移动设备上部署任何类型的应用程序，我的问题是应用程序在我的模拟器上完美地运行，但在我的设备上它在启动时崩溃。我有一种pin码指出了这个错误，因为它与访问我随应用打包的数据库中的数据有关 基本上，我的第一个活动调用一个函数从数据库中检索机场代码。它访问my DBContext文件中的函数并返回一个错误：Java Android应用程序在Emulator上运行，但在设备启动时崩溃,java,android,eclipse,Java,Android,Eclipse,我已经阅读了数千页，还没有找到解决办法。我在Android开发方面相对较新，这是我第一次在移动设备上部署任何类型的应用程序，我的问题是应用程序在我的模拟器上完美地运行，但在我的设备上它在启动时崩溃。我有一种pin码指出了这个错误，因为它与访问我随应用打包的数据库中的数据有关 基本上，我的第一个活动调用一个函数从数据库中检索机场代码。它访问my DBContext文件中的函数并返回一个错误： 0java.lang.RuntimeException: Unable to start acti
0java.lang.RuntimeException: Unable to start activity ComponentInfo{com.maziz.POS/com.maziz.POS.Login}: java.lang.NullPointerException
1at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
2at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
3at android.app.ActivityThread.access$1500(ActivityThread.java:117)
4at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
5at android.os.Handler.dispatchMessage(Handler.java:99)
6at android.os.Looper.loop(Looper.java:130)
7at android.app.ActivityThread.main(ActivityThread.java:3683)
8at java.lang.reflect.Method.invokeNative(Native Method)
9at java.lang.reflect.Method.invoke(Method.java:507)
10at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
11at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
12at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.NullPointerException
13at com.maziz.POS.POSContext.getAirportCodes(POSContext.java:178)
14at com.maziz.POS.Login.onCreate(Login.java:29)
15at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
16at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
17... 11 more
package com.maziz.POS;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import com.bugsense.trace.BugSenseHandler;
public class Login extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// Creates instance of all Global Vars
// GlobalVars gv = (GlobalVars) getApplicationContext();
BugSenseHandler.setup(this, "00728e23");
GlobalVars gv = (GlobalVars) getApplicationContext();
Cursor cc = gv.db.getAirportCodes();
while(cc.moveToNext())
{
for (int i = 0; i < cc.getColumnCount(); i++) {
gv.Airport_Codes.add(cc.getString(i));
}
}
final EditText txtUserID = (EditText) findViewById(R.id.txtUserID);
final EditText txtPassword = (EditText) findViewById(R.id.txtPassword);
Button btnLogin = (Button) findViewById(R.id.btnLogin);
btnLogin.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String userID = txtUserID.getText().toString();
String password = txtPassword.getText().toString();
if (checkLogin(userID, password)) {
Toast.makeText(getApplicationContext(), "Logging in...",
Toast.LENGTH_SHORT).show();
Intent intent = new Intent(v.getContext(),
FASelection.class);
startActivity(intent);
} else {
AlertDialog.Builder ad = new AlertDialog.Builder(Login.this);
ad.setMessage("Login Not Successful");
ad.setNeutralButton("OK",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(),
"Re-Enter Your Info...",
Toast.LENGTH_SHORT).show();
}
});
ad.show();
}
}
});
}
public boolean checkLogin(String u, String p) {
GlobalVars gv = (GlobalVars) getApplicationContext();
Cursor c = gv.db.getUser(u);
User temp = new User();
temp.setUserID(c.getString(c.getColumnIndex("Employee_ID")));
temp.setPassword(c.getString(c.getColumnIndex("Password")));
boolean exists = false;
if(c == null)
return false;
if (temp.UserID.equalsIgnoreCase(u)) {
if (temp.Password.equals(p)) {
gv.user = temp;
gv.PK_Login_Log = (int) gv.db.insertLoginLogInfo(u, 1000);
return true;
} else
exists = false;
}
return exists;
}
}
try{
String myPath = DB_PATH + DB_NAME;
checkDB = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READONLY);
}catch(SQLiteException e){
//database does't exist yet.
}
if(checkDB != null){
checkDB.close();
}
return checkDB != null ? true : false;*/
}
/**
* Copies your database from your local assets-folder to the just created empty database in the
* system folder, from where it can be accessed and handled.
* This is done by transfering bytestream.
* */
private void copyDataBase() throws IOException{
//Open your local db as the input stream
InputStream myInput = myContext.getAssets().open(DB_NAME);
// Path to the just created empty db
String outFileName = DB_PATH + DB_NAME;
//Open the empty db as the output stream
OutputStream myOutput = new FileOutputStream(outFileName);
//transfer bytes from the inputfile to the outputfile
byte[] buffer = new byte[2048];
int length;
while ((length = myInput.read(buffer))>0){
myOutput.write(buffer, 0, length);
}
//Close the streams
myOutput.flush();
myOutput.close();
myInput.close();
}
public void openDataBase() throws SQLException{
//Open the database
String myPath = DB_PATH + DB_NAME;
myDataBase = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READWRITE);
}
@Override
public synchronized void close() {
if(myDataBase != null)
myDataBase.close();
super.close();
}
@Override
public void onCreate(SQLiteDatabase db) {
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
// Add your public helper methods to access and get content from the database.
// You could return cursors by doing "return myDataBase.query(....)" so it'd be easy
// to you to create adapters for your views.
public Cursor getUser(String uID)
{
Cursor mCursor = myDataBase.query(true, "FA_Login", new String[] {
"PK_FA_Login", "Airline_ID", "Employee_ID", "Password"},
"Employee_ID = '" + uID + "'", null, null, null, null, null);
if (mCursor != null) {
mCursor.moveToFirst();
}
return mCursor;
}
public Cursor getAirportCodes()
{
Cursor mCursor = myDataBase.query("Airport_Codes", new String[] {
"Airport_Code"
}, null, null, null, null, "Airport_Code");
return mCursor;
}
public Cursor getFlightByOriginDestination(String origin, String dest)
{
Cursor mCursor = myDataBase.query("Inventory_Flight_Schedule", new String[] {
"PK_Inventory_Flight_Schedule", "Flight_Number", "AC_Type", "Time", "Origin", "Destination"
}, "Origin = '" + origin + "' AND Destination = '" + dest + "'", null, null, null, null);
return mCursor;
}
public Cursor getFlightByFlightNumber(String fn)
{
if(fn.equals(""))
fn = "0";
Cursor mCursor = myDataBase.query("Inventory_Flight_Schedule", new String[] {
"PK_Inventory_Flight_Schedule", "Flight_Number", "AC_Type", "Time", "Origin", "Destination"
}, "Flight_Number = " + fn, null, null, null, null);
return mCursor;
}
public Cursor getProductsOnFlight(int pk)
{
Cursor mCursor = myDataBase.query("Inventory_Scheduled", new String[] {
"PK_Product_ID", "Quantity"
}, "PK_Inventory_Flight_Schedule = " + pk, null, null, null, null);
return mCursor;
}
public String getProductCategory(int pk)
{
String c = "";
Cursor mCursor = myDataBase.query("Product_Category_Assigned", new String[] {
"PK_Product_ID", "PK_Category_ID"
}, "PK_Product_ID = " + pk, null, null, null, null);
while (mCursor.moveToNext())
{
c = c + " " + mCursor.getString(mCursor.getColumnIndex("Category_Name"));
}
return c;
}
public Cursor getProductDetailsByProductID(int pID)
{
Cursor mCursor = myDataBase.query("Products", new String[] {
"Product_Description", "Product_Name", "Price", "ImageUri"
}, "PK_Product_ID = " + pID, null, null, null, null);
return mCursor;
}
public ArrayList<Product> getProductSalesDetail(int pkss)
{
ArrayList<Product> productSales = new ArrayList<Product>();
Product temp;
Cursor p = myDataBase.query("Sales_Details", new String[] {
"PK_Product_ID", "Quantity"
}, "PK_Sales_Summary = " + pkss, null, null, null, null);
while(p.moveToNext())
{
int pkproduct = Integer.parseInt(p.getString(p.getColumnIndex("PK_Product_ID")));
Cursor product = getProductDetailsByProductID(pkproduct);
product.moveToFirst();
temp = new Product();
temp.PK_Product_ID = pkproduct;
temp.QuantityInCart = Integer.parseInt(p.getString(p.getColumnIndex("Quantity")));
temp.Product_Name = product.getString(product.getColumnIndex("Product_Name"));
temp.Price = product.getDouble(product.getColumnIndex("Price"));
temp.ImageUri = product.getString(product.getColumnIndex("ImageUri"));
productSales.add(temp);
}
return productSales;
}
public ArrayList<Product> getProductSales(ArrayList<Integer> pkss)
{
ArrayList<Product> productSales = new ArrayList<Product>();
for(int pk: pkss)
{
Cursor p = myDataBase.query("Sales_Details", new String[] {
"PK_Product_ID", "Quantity"
}, "PK_Sales_Summary = " + pk, null, null, null, null);
while(p.moveToNext())
{
int pkproduct = Integer.parseInt(p.getString(p.getColumnIndex("PK_Product_ID")));
Cursor product = getProductDetailsByProductID(pkproduct);
product.moveToFirst();
Product temp;
if(productSales.isEmpty())
{
temp = new Product();
temp.PK_Product_ID = pkproduct;
temp.Quantity = Integer.parseInt(p.getString(p.getColumnIndex("Quantity")));
temp.Product_Name = product.getString(product.getColumnIndex("Product_Name"));
temp.Price = product.getDouble(product.getColumnIndex("Price"));
temp.ImageUri = product.getString(product.getColumnIndex("ImageUri"));
productSales.add(temp);
}
else //if product list is not empty
{
temp = new Product();
boolean inList = false;
for(Product pp: productSales)
{
if(pp.PK_Product_ID == pkproduct)
{
inList = true;
temp.Quantity = temp.Quantity + Integer.parseInt(p.getString(p.getColumnIndex("Quantity")));
break;
}
}
if(!inList)
{
temp.PK_Product_ID = pkproduct;
temp.Quantity = Integer.parseInt(p.getString(p.getColumnIndex("Quantity")));
temp.Product_Name = product.getString(product.getColumnIndex("Product_Name"));
temp.Price = product.getDouble(product.getColumnIndex("Price"));
temp.ImageUri = product.getString(product.getColumnIndex("ImageUri"));
productSales.add(temp);
}
else
{
for(int i = 0; i < productSales.size(); i++)
{
Product pp = productSales.get(i);
if(pp.PK_Product_ID == pkproduct)
{
productSales.get(i).Quantity = productSales.get(i).Quantity + Integer.parseInt(p.getString(p.getColumnIndex("Quantity")));
}
}
}
}
}
}
return productSales;
}
public ArrayList<SalesTransaction> getSalesData(int FlightNumber, String currentDate)
{
Cursor salesData;
ArrayList<Integer> pkflights = new ArrayList<Integer>();
ArrayList<SalesTransaction> st = new ArrayList<SalesTransaction>();
currentDate = currentDate.trim();
String select = "Select PK_Flight_Selected From Flight_Selected Where Flight_Number = '" + FlightNumber + "'";
Cursor mCursor = myDataBase.rawQuery(select, null);
/*myDataBase.query("Flight_Selected", new String[] {
"PK_Flight_Selected"
}, "Flight_Number = " + FlightNumber + " AND Flight_Date = '" + currentDate + "'", null, null, null, null);
*/
while (mCursor.moveToNext())
{
pkflights.add(Integer.parseInt(mCursor.getString(mCursor.getColumnIndex("PK_Flight_Selected"))));
}
for(int i: pkflights)
{
salesData = myDataBase.query("Sales_Summary", new String[] {
"PK_Sales_Summary", "PK_Flight_Selected", "Employee_ID", "Total_Items", "Total_Amount"
}, "PK_Flight_Selected = " + i , null, null, null, null);
while(salesData.moveToNext())
{
SalesTransaction temp = new SalesTransaction();
temp.PK_Sales_Summary = Integer.parseInt(salesData.getString(salesData.getColumnIndex("PK_Sales_Summary")));
temp.PK_Flight_Selected = Integer.parseInt(salesData.getString(salesData.getColumnIndex("PK_Flight_Selected")));
temp.EmployeeID = salesData.getString(salesData.getColumnIndex("Employee_ID"));
temp.items = Integer.parseInt(salesData.getString(salesData.getColumnIndex("Total_Items")));
temp.amount = Double.parseDouble(salesData.getString(salesData.getColumnIndex("Total_Amount")));
Cursor salest = myDataBase.query("Sales_Transactions", new String[] {
"PK_Sales_Transaction", "CC_Name"
}, "PK_Sales_Summary = " + temp.PK_Sales_Summary, null, null, null, null);
while(salest.moveToNext())
{
temp.PK_Sales_Transaction = Integer.parseInt(salest.getString(salest.getColumnIndex("PK_Sales_Transaction")));
temp.CC_Name = salest.getString(salest.getColumnIndex("CC_Name"));
}
st.add(temp);
}
}
return st;
}
public long insertFlightSelectedRecord(int airline_ID, int flight_Number, String o, String d, String fd, String ac)
{
ContentValues cv = new ContentValues();
cv.put("Airline_ID", airline_ID);
cv.put("Flight_Number", flight_Number);
cv.put("Origin", o);
cv.put("Dest", d);
cv.put("Flight_Date", fd.toString());
cv.put("AC_Type", ac);
return myDataBase.insert("Flight_Selected", null, cv);
}
public long insertLoginLogInfo(String e, int device)
{
Date date = new Date();
ContentValues cv = new ContentValues();
cv.put("Employee_ID", e);
cv.put("Login_TimeStamp", date.toString());
cv.put("Device_ID", device);
return myDataBase.insert("FA_Login_Log", null, cv);
}
public long insertSalesSummary(int pk_flight, String EmployeeID, double total_items, double Amount)
{
ContentValues cv = new ContentValues();
cv.put("PK_Flight_Selected", pk_flight);
cv.put("Employee_ID", EmployeeID);
cv.put("Total_Items", total_items);
cv.put("Total_Amount", Amount);
return myDataBase.insert("Sales_Summary", null, cv);
}
public long insertSalesDetails(int pk_salessummary, int pID, int q)
{
ContentValues cv = new ContentValues();
cv.put("PK_Sales_Summary", pk_salessummary);
cv.put("PK_Product_ID", pID);
cv.put("Quantity", q);
return myDataBase.insert("Sales_Details", null, cv);
}
public long insertSalesTransaction(int pkss, double amount, String cctype, String ccnumber, int cccode, String ccName)
{
ContentValues cv = new ContentValues();
cv.put("PK_Sales_Summary", pkss);
cv.put("Amount", amount);
cv.put("CC_Type", cctype);
cv.put("CC_Number", ccnumber);
cv.put("CC_Code", cccode);
cv.put("CC_Name", ccName);
return myDataBase.insert("Sales_Transactions", null, cv);
}
public boolean updateLoginLog(int pk, int pkflight)
{
ContentValues cv = new ContentValues();
cv.put("PK_Flight_Selected", pkflight);
return myDataBase.update("FA_Login_Log", cv, "PK_FA_Login_Log = " + pk, null) > 0;
}
}
在getAirportCodes中唯一可以生成NullPointerException的对象是myDataBase。如果文件确实存在，您应该签入openDataBase。我还注意到数据库路径有一个常量。也许这在你的设备上是不正确的 要使用getDatabasePath检查应用程序的数据库路径，请参阅下面的链接
)在getAirportCodes中，唯一可以生成NullPointerException的对象是myDataBase。如果文件确实存在，您应该签入openDataBase。我还注意到数据库路径有一个常量。也许这在你的设备上是不正确的 要使用getDatabasePath检查应用程序的数据库路径，请参阅下面的链接
)您是否尝试过调试？NullPointerException通常意味着您正在对尚未正确初始化的对象变量（即包含null）调用方法。你可以在你的设备上调试，只需用USB电缆将其插入。是的，我正在这样做，但它在我的模拟器上工作，但在我的设备上不工作，这对我来说没有意义。我刚刚用一个新的logcat副本编辑了我的帖子，我现在看到的是它无法打开DB，但仍然没有运气。。谢谢你的快速回复！您是否已从emulator中完全卸载并重新安装了它，但它仍然没有崩溃？请参阅LogCat中堆栈跟踪的下方，您尚未粘贴的行。有时会有一个“原因”部分，它会给你一个另一个异常的堆栈跟踪，这次是项目中的行号和文件名（与系统相反）。是的，我也看到了，它似乎是数据库的创建。Idk问题是什么！啊，两天不睡觉！你试过调试吗？NullPointerException通常意味着您正在对尚未正确初始化的对象变量（即包含null）调用方法。你可以在你的设备上调试，只需用USB电缆将其插入。是的，我正在这样做，但它在我的模拟器上工作，但在我的设备上不工作，这对我来说没有意义。我刚刚用一个新的logcat副本编辑了我的帖子，我现在看到的是它无法打开DB，但仍然没有运气。。谢谢你的快速回复！您是否已从emulator中完全卸载并重新安装了它，但它仍然没有崩溃？请参阅LogCat中堆栈跟踪的下方，您尚未粘贴的行。有时会有一个“原因”部分，它会给你一个另一个异常的堆栈跟踪，这次是项目中的行号和文件名（与系统相反）。是的，我也看到了，它似乎是数据库的创建。Idk问题是什么！啊，两天不睡觉！我将它改为使用getDatabasePath，但仍然无法使用。这太奇怪了。它在模拟器上运行得很好，但在设备上却给了我这些错误。我还清除了emulator中我开发的所有应用程序及其数据。可能是我的DB为1.21MB，资产文件夹约为30MB吗？如果使用ContextWrapper.getDatabasePath（DB_NAME）.getAbsolutePath（）会打印什么？我希望与您的常量DB_PATH+DB_NAME不同。我使用的是.myContext.getDatabasePath（DB_NAME）.getPath（）而不是ContextWrapper.getDatabasePath（DB_NAME）.getAbsolutePath（），因为我收到错误“无法从ContextWrapper类型静态引用非静态方法getDatabasePath（String）”当我使用绝对路径方法时。结果是：完全一样！Arghhi将其更改为使用getDatabasePath，但仍然无法使用。这太奇怪了。它在模拟器上运行得很好，但在设备上却给了我这些错误。我还清除了emulator中我开发的所有应用程序及其数据。可能是我的DB为1.21MB，资产文件夹约为30MB吗？如果使用ContextWrapper.getDatabasePath（DB_NAME）.getAbsolutePath（）会打印什么？我希望与您的常量DB_PATH+DB_NAME不同。我使用的是.myContext.getDatabasePath（DB_NAME）.getPath（）而不是ContextWrapper.getDatabasePath（DB_NAME）.getAbsolutePath（），因为我收到错误“无法从ContextWrapper类型静态引用非静态方法getDatabasePath（String）”当我使用绝对路径方法时。结果是：完全一样！啊
try{
String myPath = DB_PATH + DB_NAME;
checkDB = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READONLY);
}catch(SQLiteException e){
//database does't exist yet.
}
if(checkDB != null){
checkDB.close();
}
return checkDB != null ? true : false;*/
}
/**
* Copies your database from your local assets-folder to the just created empty database in the
* system folder, from where it can be accessed and handled.
* This is done by transfering bytestream.
* */
private void copyDataBase() throws IOException{
//Open your local db as the input stream
InputStream myInput = myContext.getAssets().open(DB_NAME);
// Path to the just created empty db
String outFileName = DB_PATH + DB_NAME;
//Open the empty db as the output stream
OutputStream myOutput = new FileOutputStream(outFileName);
//transfer bytes from the inputfile to the outputfile
byte[] buffer = new byte[2048];
int length;
while ((length = myInput.read(buffer))>0){
myOutput.write(buffer, 0, length);
}
//Close the streams
myOutput.flush();
myOutput.close();
myInput.close();
}
public void openDataBase() throws SQLException{
//Open the database
String myPath = DB_PATH + DB_NAME;
myDataBase = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READWRITE);
}
@Override
public synchronized void close() {
if(myDataBase != null)
myDataBase.close();
super.close();
}
@Override
public void onCreate(SQLiteDatabase db) {
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
// Add your public helper methods to access and get content from the database.
// You could return cursors by doing "return myDataBase.query(....)" so it'd be easy
// to you to create adapters for your views.
public Cursor getUser(String uID)
{
Cursor mCursor = myDataBase.query(true, "FA_Login", new String[] {
"PK_FA_Login", "Airline_ID", "Employee_ID", "Password"},
"Employee_ID = '" + uID + "'", null, null, null, null, null);
if (mCursor != null) {
mCursor.moveToFirst();
}
return mCursor;
}
public Cursor getAirportCodes()
{
Cursor mCursor = myDataBase.query("Airport_Codes", new String[] {
"Airport_Code"
}, null, null, null, null, "Airport_Code");
return mCursor;
}
public Cursor getFlightByOriginDestination(String origin, String dest)
{
Cursor mCursor = myDataBase.query("Inventory_Flight_Schedule", new String[] {
"PK_Inventory_Flight_Schedule", "Flight_Number", "AC_Type", "Time", "Origin", "Destination"
}, "Origin = '" + origin + "' AND Destination = '" + dest + "'", null, null, null, null);
return mCursor;
}
public Cursor getFlightByFlightNumber(String fn)
{
if(fn.equals(""))
fn = "0";
Cursor mCursor = myDataBase.query("Inventory_Flight_Schedule", new String[] {
"PK_Inventory_Flight_Schedule", "Flight_Number", "AC_Type", "Time", "Origin", "Destination"
}, "Flight_Number = " + fn, null, null, null, null);
return mCursor;
}
public Cursor getProductsOnFlight(int pk)
{
Cursor mCursor = myDataBase.query("Inventory_Scheduled", new String[] {
"PK_Product_ID", "Quantity"
}, "PK_Inventory_Flight_Schedule = " + pk, null, null, null, null);
return mCursor;
}
public String getProductCategory(int pk)
{
String c = "";
Cursor mCursor = myDataBase.query("Product_Category_Assigned", new String[] {
"PK_Product_ID", "PK_Category_ID"
}, "PK_Product_ID = " + pk, null, null, null, null);
while (mCursor.moveToNext())
{
c = c + " " + mCursor.getString(mCursor.getColumnIndex("Category_Name"));
}
return c;
}
public Cursor getProductDetailsByProductID(int pID)
{
Cursor mCursor = myDataBase.query("Products", new String[] {
"Product_Description", "Product_Name", "Price", "ImageUri"
}, "PK_Product_ID = " + pID, null, null, null, null);
return mCursor;
}
public ArrayList<Product> getProductSalesDetail(int pkss)
{
ArrayList<Product> productSales = new ArrayList<Product>();
Product temp;
Cursor p = myDataBase.query("Sales_Details", new String[] {
"PK_Product_ID", "Quantity"
}, "PK_Sales_Summary = " + pkss, null, null, null, null);
while(p.moveToNext())
{
int pkproduct = Integer.parseInt(p.getString(p.getColumnIndex("PK_Product_ID")));
Cursor product = getProductDetailsByProductID(pkproduct);
product.moveToFirst();
temp = new Product();
temp.PK_Product_ID = pkproduct;
temp.QuantityInCart = Integer.parseInt(p.getString(p.getColumnIndex("Quantity")));
temp.Product_Name = product.getString(product.getColumnIndex("Product_Name"));
temp.Price = product.getDouble(product.getColumnIndex("Price"));
temp.ImageUri = product.getString(product.getColumnIndex("ImageUri"));
productSales.add(temp);
}
return productSales;
}
public ArrayList<Product> getProductSales(ArrayList<Integer> pkss)
{
ArrayList<Product> productSales = new ArrayList<Product>();
for(int pk: pkss)
{
Cursor p = myDataBase.query("Sales_Details", new String[] {
"PK_Product_ID", "Quantity"
}, "PK_Sales_Summary = " + pk, null, null, null, null);
while(p.moveToNext())
{
int pkproduct = Integer.parseInt(p.getString(p.getColumnIndex("PK_Product_ID")));
Cursor product = getProductDetailsByProductID(pkproduct);
product.moveToFirst();
Product temp;
if(productSales.isEmpty())
{
temp = new Product();
temp.PK_Product_ID = pkproduct;
temp.Quantity = Integer.parseInt(p.getString(p.getColumnIndex("Quantity")));
temp.Product_Name = product.getString(product.getColumnIndex("Product_Name"));
temp.Price = product.getDouble(product.getColumnIndex("Price"));
temp.ImageUri = product.getString(product.getColumnIndex("ImageUri"));
productSales.add(temp);
}
else //if product list is not empty
{
temp = new Product();
boolean inList = false;
for(Product pp: productSales)
{
if(pp.PK_Product_ID == pkproduct)
{
inList = true;
temp.Quantity = temp.Quantity + Integer.parseInt(p.getString(p.getColumnIndex("Quantity")));
break;
}
}
if(!inList)
{
temp.PK_Product_ID = pkproduct;
temp.Quantity = Integer.parseInt(p.getString(p.getColumnIndex("Quantity")));
temp.Product_Name = product.getString(product.getColumnIndex("Product_Name"));
temp.Price = product.getDouble(product.getColumnIndex("Price"));
temp.ImageUri = product.getString(product.getColumnIndex("ImageUri"));
productSales.add(temp);
}
else
{
for(int i = 0; i < productSales.size(); i++)
{
Product pp = productSales.get(i);
if(pp.PK_Product_ID == pkproduct)
{
productSales.get(i).Quantity = productSales.get(i).Quantity + Integer.parseInt(p.getString(p.getColumnIndex("Quantity")));
}
}
}
}
}
}
return productSales;
}
public ArrayList<SalesTransaction> getSalesData(int FlightNumber, String currentDate)
{
Cursor salesData;
ArrayList<Integer> pkflights = new ArrayList<Integer>();
ArrayList<SalesTransaction> st = new ArrayList<SalesTransaction>();
currentDate = currentDate.trim();
String select = "Select PK_Flight_Selected From Flight_Selected Where Flight_Number = '" + FlightNumber + "'";
Cursor mCursor = myDataBase.rawQuery(select, null);
/*myDataBase.query("Flight_Selected", new String[] {
"PK_Flight_Selected"
}, "Flight_Number = " + FlightNumber + " AND Flight_Date = '" + currentDate + "'", null, null, null, null);
*/
while (mCursor.moveToNext())
{
pkflights.add(Integer.parseInt(mCursor.getString(mCursor.getColumnIndex("PK_Flight_Selected"))));
}
for(int i: pkflights)
{
salesData = myDataBase.query("Sales_Summary", new String[] {
"PK_Sales_Summary", "PK_Flight_Selected", "Employee_ID", "Total_Items", "Total_Amount"
}, "PK_Flight_Selected = " + i , null, null, null, null);
while(salesData.moveToNext())
{
SalesTransaction temp = new SalesTransaction();
temp.PK_Sales_Summary = Integer.parseInt(salesData.getString(salesData.getColumnIndex("PK_Sales_Summary")));
temp.PK_Flight_Selected = Integer.parseInt(salesData.getString(salesData.getColumnIndex("PK_Flight_Selected")));
temp.EmployeeID = salesData.getString(salesData.getColumnIndex("Employee_ID"));
temp.items = Integer.parseInt(salesData.getString(salesData.getColumnIndex("Total_Items")));
temp.amount = Double.parseDouble(salesData.getString(salesData.getColumnIndex("Total_Amount")));
Cursor salest = myDataBase.query("Sales_Transactions", new String[] {
"PK_Sales_Transaction", "CC_Name"
}, "PK_Sales_Summary = " + temp.PK_Sales_Summary, null, null, null, null);
while(salest.moveToNext())
{
temp.PK_Sales_Transaction = Integer.parseInt(salest.getString(salest.getColumnIndex("PK_Sales_Transaction")));
temp.CC_Name = salest.getString(salest.getColumnIndex("CC_Name"));
}
st.add(temp);
}
}
return st;
}
public long insertFlightSelectedRecord(int airline_ID, int flight_Number, String o, String d, String fd, String ac)
{
ContentValues cv = new ContentValues();
cv.put("Airline_ID", airline_ID);
cv.put("Flight_Number", flight_Number);
cv.put("Origin", o);
cv.put("Dest", d);
cv.put("Flight_Date", fd.toString());
cv.put("AC_Type", ac);
return myDataBase.insert("Flight_Selected", null, cv);
}
public long insertLoginLogInfo(String e, int device)
{
Date date = new Date();
ContentValues cv = new ContentValues();
cv.put("Employee_ID", e);
cv.put("Login_TimeStamp", date.toString());
cv.put("Device_ID", device);
return myDataBase.insert("FA_Login_Log", null, cv);
}
public long insertSalesSummary(int pk_flight, String EmployeeID, double total_items, double Amount)
{
ContentValues cv = new ContentValues();
cv.put("PK_Flight_Selected", pk_flight);
cv.put("Employee_ID", EmployeeID);
cv.put("Total_Items", total_items);
cv.put("Total_Amount", Amount);
return myDataBase.insert("Sales_Summary", null, cv);
}
public long insertSalesDetails(int pk_salessummary, int pID, int q)
{
ContentValues cv = new ContentValues();
cv.put("PK_Sales_Summary", pk_salessummary);
cv.put("PK_Product_ID", pID);
cv.put("Quantity", q);
return myDataBase.insert("Sales_Details", null, cv);
}
public long insertSalesTransaction(int pkss, double amount, String cctype, String ccnumber, int cccode, String ccName)
{
ContentValues cv = new ContentValues();
cv.put("PK_Sales_Summary", pkss);
cv.put("Amount", amount);
cv.put("CC_Type", cctype);
cv.put("CC_Number", ccnumber);
cv.put("CC_Code", cccode);
cv.put("CC_Name", ccName);
return myDataBase.insert("Sales_Transactions", null, cv);
}
public boolean updateLoginLog(int pk, int pkflight)
{
ContentValues cv = new ContentValues();
cv.put("PK_Flight_Selected", pkflight);
return myDataBase.update("FA_Login_Log", cv, "PK_FA_Login_Log = " + pk, null) > 0;
}
}
03-23 12:34:12.468 I/ActivityManager(1296): Start proc com.maziz.POS for activity com.maziz.POS/.Login: pid=6250 uid=10051 gids={3003}
03-23 12:34:12.546 I/Database(6250): sqlite returned: error code = 0, msg = Recovered 3 frames from WAL file /data/data/com.maziz.POS/databases/AndroidPOS.sqlite-wal
03-23 12:34:12.546 E/Database(6250): sqlite_prepare_v2(handle, "pragma journal_mode=WAL;") failed for "/data/data/com.maziz.POS/databases/AndroidPOS.sqlite"
03-23 12:34:12.554 E/Database(6250): at com.maziz.POS.POSContext.openDataBase(POSContext.java:135)
03-23 12:34:12.554 E/Database(6250): at com.maziz.POS.GlobalVars.onCreate(GlobalVars.java:32)
03-23 12:34:12.562 W/System.err(6250): at com.maziz.POS.POSContext.openDataBase(POSContext.java:135)
03-23 12:34:12.562 W/System.err(6250): at com.maziz.POS.GlobalVars.onCreate(GlobalVars.java:32)
03-23 12:34:12.625 D/BugSenseHandler(6250): Looking for exceptions in: /data/data/com.maziz.POS/files
03-23 12:34:12.656 D/BugSenseHandler(6250): Transmitting stack trace: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.maziz.POS/com.maziz.POS.Login}: java.lang.NullPointerException
03-23 12:34:12.656 D/BugSenseHandler(6250): at com.maziz.POS.POSContext.getAirportCodes(POSContext.java:178)
03-23 12:34:12.656 D/BugSenseHandler(6250): at com.maziz.POS.Login.onCreate(Login.java:29)
03-23 12:34:14.648 D/BugSenseHandler(6250): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.maziz.POS/com.maziz.POS.Login}: java.lang.NullPointerException
03-23 12:34:14.648 D/BugSenseHandler(6250): at com.maziz.POS.POSContext.getAirportCodes(POSContext.java:178)
03-23 12:34:14.648 D/BugSenseHandler(6250): at com.maziz.POS.Login.onCreate(Login.java:29)
03-23 12:34:14.648 E/AndroidRuntime(6250): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.maziz.POS/com.maziz.POS.Login}: java.lang.NullPointerException
03-23 12:34:14.648 E/AndroidRuntime(6250): at com.maziz.POS.POSContext.getAirportCodes(POSContext.java:178)
03-23 12:34:14.648 E/AndroidRuntime(6250): at com.maziz.POS.Login.onCreate(Login.java:29)
03-23 12:34:15.492 W/ActivityManager(1296): Force finishing activity com.maziz.POS/.Login
03-23 12:34:16.000 W/ActivityManager(1296): Activity pause timeout for HistoryRecord{407109b8 com.maziz.POS/.Login}
03-23 12:34:17.320 I/ActivityManager(1296): Process com.maziz.POS (pid 6250) has died.
03-23 12:34:17.718 E/AnrParser(1432): Deleted file/data/anr/anrlogs/ANR_com.maziz.POS_20120323-123414.log
03-23 12:34:17.718 E/AnrParser(1432): Deleted file/data/anr/anrlogs/com.maziz.POS-logcat.log
03-23 12:34:26.148 W/ActivityManager(1296): Activity destroy timeout for HistoryRecord{407109b8 com.maziz.POS/.Login}