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copied!<p>change <code>private void sendMessage(View view)</code> to <code>public void sendMessage(View view)</code> (private to public)</p> <p>LAYOUT OF FIRST ACTIVITY: </p> <pre><code><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center_vertical" > <TextView android:id="@+id/TextView1_MainActivity" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@+string/title_MainActivity" android:textStyle="bold"/> <EditText android:id="@+id/EditText1_MainActivity" android:layout_width="wrap_content" android:layout_height="wrap_content" android:hint="@string/EditText_MainActivity" android:textStyle="italic" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/Button_MainActivity" android:onClick="sendMessage"/> </code></pre> <p></p> <p>LAYOUT OF SECOND ACTIVITY: -</p> <pre><code><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" android:gravity="center_vertical" tools:context=".SecondActivity"> <TextView android:layout_alignParentTop="true" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@+string/title_SecondActivity" android:textStyle="bold"/> <TextView android:id="@+id/TextView2_SecondActivity" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </code></pre> <p></p>

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