Coding std android

Loading>>>>>>>>>>>>>>
        Loading();
    }

    public void Loading(){
        new Thread() {
            public void run() {
                try{Thread.sleep(5000);}
                catch (Exception e) {}
                Intent i = new Intent(Loading.this, Menuutama.class);
                Loading.this.finish();
                startActivity(i);
            } }.start();
    }
}

>>>>>>>>>>>>>>>setples
public void setSplash(){
final ProgressDialog myProgressDialog = ProgressDialog.show(main.this, "Loading", "Mohon Tunggu...", true);
        new Thread() {
public void run() {
        try{Thread.sleep(5000);}
        catch (Exception e) {}
        Intent i = new Intent(main.this, Menu.class);
        myProgressDialog.dismiss();
        main.this.finish();
        startActivity(i);
        } }.start();
        }



        >>>>>>>>>>>>>>>>>>>>>>>>>

        button >>>>>>>>>>>>>>>>

        imvKategori=(ImageView)findViewById(R.id.imvKategori);
        imvKategori.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
        Intent i = new Intent(Menuutama.this,listproduk.class);
        startActivity(i);
        }});

        Button btnA=(Button)findViewById(R.id.btnA);
        btnA.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
        Intent i = new Intent(Menuutama.this,listproduk.class);
        startActivity(i);
        }});

        manifast>>>>>>>>>>>>>>>>>>>>>>
<activity
           android:name="com.example.heru_icon.Menuutama"
                   android:label="@string/app_name" />

                   button exit>>>>>>>>>>>>>>>>>>>>>>

                   Button  btnKeluar=(Button)findViewById(R.id.btnExit);
                   btnKeluar.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
        finish();
        }});

        Back kode >>>>>>>>>>>>>>>>>>>>>>
public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
        keluarYN();
        return true;
        }
        return super.onKeyDown(keyCode, event);
        }

        Pettnyaan Y/N >>>>>>>>>>>>>>>>>>

        Button btnBatal= (Button) findViewById(R.id.iBatal);
        btnBatal.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
        keluar();
        }
        });
        >>>>>>>>>>>>>>>>>>>>>>>>> voidnya


public void keluar(){
        new AlertDialog.Builder(this)
        .setTitle("Menutup Aplikasi")
        .setMessage("Terimakasih... Anda Telah Menggunakan Aplikasi Ini")
        .setNeutralButton("Tutup", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dlg, int sumthin) {
        finish();
        }})
        .show();
        }
public void keluarYN(){
        AlertDialog.Builder ad=new AlertDialog.Builder(inputnama.this);
        ad.setTitle("Konfirmasi");
        ad.setMessage("Apakah benar ingin keluar?");

        ad.setPositiveButton("OK",new OnClickListener(){
@Override
public void onClick(DialogInterface dialog, int which) {
        keluar();
        }});

        ad.setNegativeButton("No",new OnClickListener(){
public void onClick(DialogInterface arg0, int arg1) {
        }});

        ad.show();
        }

Permission untuk data base di database pada androidmanifast>>>>>>>>>>>>>>>>>>.

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Linera_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="#fff"  >

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="vertical"
        android:padding="10dip" >
        <!--  View Title Label -->


        <TextView
            android:id="@+id/txtMarquee"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text=""
            android:textSize="14sp"
            android:typeface="sans"
            android:textColor="#ffffff"
            android:background="#000000"
            android:singleLine="true"
            android:ellipsize="marquee"
            android:marqueeRepeatLimit="marquee_forever">
        </TextView>

        <ImageView
            android:id="@+id/myGambar"
            android:layout_width="wrap_content"
            android:layout_height="100dip"
            android:layout_gravity="center_horizontal"
            android:src="@drawable/logoku" />

        <!--  Name Label -->

        <TextView
            android:layout_width="fill_parent"
            android:layout_marginTop="30dip"
            android:layout_height="wrap_content"
            android:text="Username"
            android:textColor="#000000"
            android:textSize="20sp"
            android:textStyle="bold" />

        <!--  Name TextField -->
        <EditText
            android:id="@+id/txtusername"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:textColor="#000000" />

        <TextView
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="Password"
            android:textColor="#000000"
            android:textSize="20sp"
            android:textStyle="bold"/>

        <!--  Email TextField -->
        <EditText
            android:id="@+id/txtpassword"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:textColor="#000000" />

        <!--  Name Label -->

        <!--  Link to Login Screen -->

        <Button
            android:id="@+id/btnlogin"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dip"
            android:text="Login"
            android:textColor="#000000"
            android:textStyle="bold" />

        <Button
            android:id="@+id/btnforgot"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="10dip"
            android:textColor="#000000"
            android:textStyle="bold"
            android:text="Forgot" />
    </LinearLayout>

</ScrollView>