MainActivity

package com.example.inaldojunior.cfinance01;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;


public class MainActivity extends Activity {


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main_activity);

        Button btCadastrar = (Button) findViewById(R.id.btCadastrar);
        btCadastrar.setOnClickListener(new View.OnClickListener() {


            @Override
            public void onClick(View v) {
                startActivity(new Intent(MainActivity.this, CadastroActivity.class));
                TextView edLogin = (TextView) findViewById(R.id.edLogin);
                TextView edSenha = (TextView) findViewById(R.id.edSenha);
                String login = edLogin.getText().toString();
                String senha = edSenha.getText().toString();
                
            }


        });

    }

    private void alert(String s) {

        Toast.makeText(this, s, Toast.LENGTH_LONG).show();
    }
}

_______________________________________________________________________________________

DbHelper

package com.example.inaldojunior.cfinance01;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

/**
 * Created by Inaldo Junior on 15/04/2017.
 */

public class DbHelper extends SQLiteOpenHelper{
    private static final String NOME_BASE = "BancoCfinance";
    private static final int VERSAO_BASE = 2;

    public DbHelper(Context context) {super(context, NOME_BASE, null, VERSAO_BASE);}

    @Override
    public void onCreate(SQLiteDatabase db) {
        String sqlCreateTabelaUsuario = "CREATE TABLE usuario("
                + "nome TEXT,"
                + "email TEXT,"
                + "contato INTEGER,"
                + "login TEXT"
                + "senha INTEGER"
                + ")";
        db.execSQL(sqlCreateTabelaUsuario);

    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

        String sqlDropTabelaUsuario = "DROP TABLE usuario";
        db.execSQL(sqlDropTabelaUsuario);

        onCreate(db);


    }

    public void insertUsuario(Usuario usuario){
        SQLiteDatabase db = getWritableDatabase();

        ContentValues cv =new ContentValues();

        cv.put("nome", usuario.getNome());
        cv.put("email", usuario.getEmail());
        cv.put("contato", usuario.getContato());
        cv.put("login", usuario.getLogin());
        cv.put("senha", usuario.getSenha());


        db.insert("usuario", null, cv);

        db.close();
    }

    public boolean entrar(String login, String senha){
        SQLiteDatabase database = this.getReadableDatabase();
        Cursor cursor = database.query(
                "usuario",
                new String[]{"nome, email"},
                "login = ? AND senha = ?",
                new String[]{login, senha},
                null, null, null);
        if(cursor.getCount() == 1) return true;
        return false;
    }
}

_________________________________________________________________________________________


CadastroActivity

package com.example.inaldojunior.cfinance01;

import android.app.Activity;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

/**
 * Created by Inaldo Junior on 04/04/2017.
 */

public class CadastroActivity extends Activity implements View.OnClickListener {

    private EditText Nome;
    private EditText Email;
    private EditText Contato;
    private EditText Login;
    private EditText Senha;



    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.view_cadastro);

        Nome = (EditText) findViewById(R.id.edNome);
        Email = (EditText) findViewById(R.id.edEmail);
        Contato = (EditText) findViewById(R.id.edContato);
        Login = (EditText) findViewById(R.id.edLogin);
        Senha = (EditText) findViewById(R.id.edSenha);


        Button btGeraCadastro = (Button) findViewById(R.id.btConfirmar);


        btGeraCadastro.setOnClickListener(this);



    }

    @Override
    public void onClick(View v) {

        Usuario usuario = new Usuario();

        usuario.setNome(Nome.getText().toString());
        usuario.setEmail(Email.getText().toString());
        usuario.setContato(Contato.getText().toString());
        usuario.setLogin(Login.getText().toString());
        usuario.setSenha(Senha.getText().toString());


        DbHelper dbHelper = new DbHelper(this);
        dbHelper.insertUsuario(usuario);
        finish();

        Toast.makeText(CadastroActivity.this, "Cadastro efetuado com Sucesso", Toast.LENGTH_LONG ).show();

    }
}