I am trying to create a register application that lists attendees (in TextView
). On Clicking an attendee, it should take to another view. Getting a NullpointerException
during runtime at OnclickListener
.
Mail View Layout xml :
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="25sp"
android:textColor="#ffffff"
android:layout_weight="1"
android:gravity="center_horizontal"
android:textStyle="bold"
android:clickable="true"
android:text="text1" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="25sp"
android:textColor="#ffffff"
android:layout_weight="1"
android:gravity="center_horizontal"
android:textStyle="bold"
android:clickable="true"
android:text="text2" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="25sp"
android:textColor="#ffffff"
android:layout_weight="1"
android:textStyle="bold"
android:clickable="true"
android:gravity="center_horizontal"
android:text="text3" />
OnClick View xml :
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/imageView"
android:layout_gravity="center_horizontal"
android:src="@drawable/img1"/>
Main Activity :
public class MenuActivity extends ListActivity {
TextView text1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_menu);
text1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
setContentView(R.layout.onclickview);
}
});
}
}