Android project presentaion

1. PRESENTATION
ON
Wireless Programming
Project Name : Business Assistant
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2. GROUP MEMBER
• SAJIBUL HASSAN
• NAHIAN AHMED
• MONSUR AHMED SHAFIQ
• Roksana Yasmin
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3. Sajibul Hasan
ID:151-15-4986
12/14/2017
3

4. Introduction
As we Named our Project as Business Assistant,
It will record Business Transaction and Provide us:
1. Income Statement
2. Owner Equity
3. Balance Sheet
All data will save in Database with Password
Protection.
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5. Key Feature
• All Data will save in Real time Database
• Security Protection Using Hashing
• User can Recover his account
• App we generate Net income and loss
• App we generate Owner Equity
• App we generate Balance Sheet
• CURD operation of Transaction
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6. Login System
When User press Login Button
if(name.equals(User_name)
&& password.equals(User_pass))
{
Intent i =new
Intent(this,Wellcome.class);
startActivity(i)
}
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7. Sign up System
Sign up Page Create a Database for User then
Insert data when User Press Sign up Button.
Here user Password will encrypt using
hashcode() in Java like :
PassWord=password.hashCode();
* hashcode() not actual Hashing
It makes Unique HashTable .
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8. Nahian Ahmed
ID:151-15-5137
12/14/2017
8

9. DataBase Connection
Many people use :
public class MyDB extends SQLiteOpenHelper
We use :
SQLiteDatabase db;
db=openOrCreateDatabase("Account", Context.MODE_PRIVATE, null);
db.execSQL("CREATE TABLE IF NOT EXISTS user(name VARCHAR,password
VARCHAR,email VARCHAR,recover VARCHAR);");
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10. Transaction System
db.execSQL("INSERT INTO accountset VALUES('" + e1.getText() + "','" + e2.getText() + "','"
+ ownercapital + "','" +
drowing + "','" + revenue + "','" + expense + "');");
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11. Show all Transaction
Cursor c = db.rawQuery("SELECT * FROM accountset");
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12. Show all Transaction Using Buffer
Builder
StringBuffer buffer = new StringBuffer();
while (c.moveToNext()) {
buffer.append("Asset: " + c.getString(0) + "n");
buffer.append("Liablity: " + c.getString(1) + "n");
buffer.append("Owner Capital : " + c.getString(2) + "n");
buffer.append("Drowing: " + c.getString(3) + "n");
buffer.append("Revenue : " + c.getString(4) + "n");
buffer.append("Expense: " + c.getString(5) + "nn");
}
showMessage("Transction info", buffer.toString());
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13. Monsur Ahmed
ID:151-15-5439
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13

14. Income Statement
Net Inome/loss = Revenue - Expense
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15. Income Statement
Cursor c = db.rawQuery("SELECT * FROM accountset", null);
while (c.moveToNext()) {
Revenue =c.getString(4);
Expense =c.getString(5);
r+=Double.parseDouble(Revenue);
e+=Double.parseDouble(Expense);
}
Income = r – e;
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16. Owner Equity
OE= OwnerCapital + NetIncome - Drowing
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17. Owner Equity
Cursor c = db.rawQuery("SELECT * FROM accountset", null);
while (c.moveToNext()) {
OC =c.getString(2);
Drowing=c.getString(3);
Alloc+=Double.parseDouble(Oc);
AllDrowing+=Double.parseDouble(Drowing);
}
OE=Alloc+NetIncome-AllDrowing
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18. Roksana Yasmin
ID:151-15-4801
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18

19. Balance Sheet
Asset = Liablity + Owner Equity
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20. Balance Sheet
Cursor c = db.rawQuery("SELECT * FROM accountset", null);
while (c.moveToNext()) {
asset =c.getString(0);
liability=c.getString(1);
Allasset+=Double.parseDouble(asset);
Allliablity+=Double.parseDouble(Liability);
}
• Asset
• Liability
• Owner Equity
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21. That’s all Statement
Now if user Forgot his Password he can recover
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22. Forgot Password
if (uname.equals(name)
&& petname.equals(pet))
{
Intent i = new Intent(this, update.class);
startActivity(i);
}
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23. References
• https://www.sqlite.org/docs.html
• https://developer.android.com/reference/org/
w3c/dom/Document.html
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24. That’s all
Thank You!
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