ciao a tutti sono nuovo del forum sto inizizndo a programmare le mie prime app dopo il primo passo con hello world ho provato con android un codice inserendo con l'aiuto del Graphical layout dei bottoni e del text view ma mi ritrovo con molte avvertenze e diversi errori premetto che mi sono limitato ad iserire testo e stop volevo vare un'applicazione da gestire con sistema bluetooth

codice:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="fill_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity" >

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginTop="31dp"
        android:text="RGB LED"
        
        <TextView  qui mi da errore parsing XML:not well_formedjavascript:void(0);
      
        android:id="@+id/textView1" qui mi da atribute"android:id" was already specified for element "textview"javascript:void(0);
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/textView1"
        android:layout_marginTop="34dp"
        android:text="CONTROLLO I MIEI LED"/> qui mi da avertenzajavascript:void(0);
        

    <Button
        android:id="@+id/button1"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/textView1"
        android:layout_marginTop="22dp"
        android:text="-" /> qui mi da avertenzajavascript:void(0);

    <Button
        android:id="@+id/button2"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_alignTop="@+id/button1"
        android:text="+" /> qui mi da avertanza

    <Button
        android:id="@+id/button3"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/button1"
        android:layout_marginTop="40dp"
        android:text="-" />qui mi da avertanza

    <Button
        android:id="@+id/button4"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBaseline="@+id/button3"
        android:layout_alignBottom="@+id/button3"
        android:layout_alignParentRight="true"
        android:text="+" />

    <Button
        android:id="@+id/button5"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/button3"
        android:layout_marginTop="42dp"
        android:text="-" />

    <Button
        android:id="@+id/button6"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_alignTop="@+id/button5"
        android:text="+" />

    <SeekBar
        android:id="@+id/seekBar1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/button1"
        android:layout_toLeftOf="@+id/button2"
        android:layout_toRightOf="@+id/button1" />

    <SeekBar
        android:id="@+id/seekBar2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_above="@+id/button5"
        android:layout_toLeftOf="@+id/button4"
        android:layout_toRightOf="@+id/button3" />

    <SeekBar
        android:id="@+id/seekBar3"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/button5"
        android:layout_toLeftOf="@+id/button6"
        android:layout_toRightOf="@+id/button5" />

    <Button
        android:id="@+id/button1"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/textView2"
        android:layout_marginLeft="38dp"
        android:layout_marginTop="28dp"
        android:text="Button" />

</RelativeLayout>
qui mi da avertenza 25