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I'm new to Android developing and of course on Fragments. I want to access the controls of my fragment in main activity but 'findViewById' returns null. without fragment the code works fine. Here's part of my code: The fragment : <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" tools:ignore="HardcodedText" > <EditText android:id="@+id/txtXML" android:layout_width="fill_parent" android:layout_height="fill_parent" android:ems="10" android:scrollbars="vertical"> </EditText> </LinearLayout> the onCreate of MainActivity: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); super.setContentView(R.layout.main); this.initialisePaging(); EditText txtXML = (EditText) findViewById(R.id.txtXML);} on this point the txtXML is null. What's Missing in my code or what should I do?

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