Xamarin is an open-source platform for creating modern and performance applications with. Xamarin Android: Create Login Using SQLite Database In this blog, we have created a login form for an Android OS using SQLite database.We tried to explain you the step by step method where we can create a normal login form using class, method, interface, database, and package. Toast.MakeText(this, "Record Added…", ToastLength.Long).Show() StringdpPaths = Path.Combine((), "user.db3") Privatevoidncreate_Click(object sender, EventArgs e) TxtPassword = FindViewById (Resource.Id.password) Txtusername = FindViewById (Resource.Id.userName) Next, Go to Solution Explorer open the RegisterActivity.cs file, and put the below code.ītncreate = FindViewById (Resource.Id.create) Op += "Creating Databse if it doesnt exists" Toast.MakeText(this, ex.ToString(), ToastLength.Long).Show() Toast.MakeText(this, "Username or Password invalid", ToastLength.Long).Show() Toast.MakeText(this, "Successfully Login", ToastLength.Short).Show() Var data11 = data.Where(x =>x.username = username.Text&x.password = Password.Text).FirstOrDefault() StringdpPaths = Path.Combine((), "user,mydb") Privatevoidnsign_Click(object send, EventArgs eve) Privatevoidncreate_Click(object send, EventArgs eve) TxtPassword = FindViewById (Resource.Id.pwd) Txtusername = FindViewById (Resource.Id.username) SetContentView(_main) Ī7.Widget.Toolbar toolbar = FindViewById (Resource.Id.toolbar) įloatingActionButton fab = FindViewById (Resource.Id.fab) ītnsign = FindViewById (Resource.Id.nlogin) ītncreate = FindViewById Resource.Id.nregister) ProtectedoverridevoidOnCreate(Bundle savedInstanceState) PublicclassMainActivity :AppCompatActivity The debugger is here to only show you what your code is doing and your task is to compare with what it should do.Next, Go to Solution Explorer open the MainActivity.cs file, and put the below code. Mastering Debugging in Visual Studio 2010 - A Beginner's Guideīasic Debugging with Visual Studio 2010 - YouTube To see what your code is doing: Just set a breakpoint and see your code performing, the debugger allow you to execute lines 1 by 1 and to inspect variables as it execute. When the code don't do what is expected, you are close to a bug. There is no magic in the debugger, it don't know what your code is supposed to do, it don't find bugs, it just help you to by showing you what is going on. The debugger is here to show you what your code is doing and your task is to compare with what it should do. There is an almost universal solution: Run your code on debugger step by step, inspect variables. Your code do not behave the way you expect, or you don't understand why ! Quote:I don't know where's the faulty part I inspected the code with no result, as I mentioned I'm really biginner to find out what the problem, i hope you would help. Toast.makeText( this, " Saved successfully! ", Toast.LENGTH_SHORT).show() SQLiteDatabase db = mHelper.getWritableDatabase() ĬontentValues values = new ContentValues() Toast.makeText( this, " Please fill all fields",Toast.LENGTH_SHORT).show() If(full_name.isEmpty() || mobile.isEmpty() || id_num.isEmpty() || address.isEmpty() || card_id.isEmpty() || section_id.isEmpty()) String dis_id = ed_dis_id.getText().toString() String section_id = ed_section_id.getText().toString() String card_id = ed_card_id.getText().toString() String address = ed_address.getText().toString() String id_num = ed_id_num.getText().toString() String mobile = ed_mobie.getText().toString() String full_name = ed_full_name.getText().toString() Toast.makeText( this, " please choose a profile picture",Toast.LENGTH_SHORT).show() ĮditText ed_full_name = findViewById(R.id.full_name) ĮditText ed_mobie = findViewById(R.id.phone) ĮditText ed_id_num = findViewById(R.id.id_num) ĮditText ed_address = findViewById(R.id.address) ĮditText ed_section_id = findViewById(R.id.straction_id) ĮditText ed_card_id = findViewById(R.id.card_id) ĮditText ed_dis_id = findViewById(R.id.dis_id)
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