Als ich meine ListView zum ersten Mal erstellte, machte das Tippen auf ein Element eine nette Farbverlaufsanimation, aber sie wird aus irgendeinem Grund nicht mehr angezeigt, und ich habe zu viele Änderungen vorgenommen, um zu sagen, was sie kaputt gemacht hat . Gibt es etwas in meinem Code, das die Animation überschreibt oder bricht? Ich bin ziemlich ratlos:/ListView-Elemente, die keine Tap-Animation zeigen
ACTIVITY XML:
<?xml version="1.0" encoding="utf-8"?>
<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:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.nwoodthorpe.busstop.AddActivity">
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Select a Route"
android:textColor="#ffffff"
android:id="@+id/header"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:minHeight="60dp"
android:gravity="center"
android:textSize="25sp"
android:background="@color/colorPrimary"
android:layout_alignParentEnd="false"
android:layout_alignParentRight="false"
android:layout_centerHorizontal="true"
android:typeface="normal"/>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="14dp"
android:layout_marginLeft="28dp"
android:adjustViewBounds="true"
android:maxWidth="35dp"
android:maxHeight="35dp"
android:scaleType="fitCenter"
android:src="@drawable/back"
android:id="@+id/back"
android:layout_alignParentTop="true"
android:layout_alignParentRight="false"
android:layout_alignParentStart="false"
android:layout_alignParentLeft="true"
android:clickable="true"
/>
<View android:background="#000"
android:layout_width="match_parent"
android:layout_height="1px"
android:layout_below="@id/header"
android:id="@+id/div"/>
<ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/list"
android:layout_below="@+id/div"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignParentBottom="true"
android:clickable="true"/>
</RelativeLayout>
ACTIVITY Java-Datei
public class AddActivity extends AppCompatActivity {
public void onBackClick(View v){
finish();
}
public void setButtonListeners(){
ImageView backButton = (ImageView)findViewById(R.id.back);
backButton.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v) {
onBackClick(v);
}
});
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_add);
ArrayList<BusRoute> routes = UserValues.getInstance().stops;
ArrayAdapter adapter = new AddListAdapter(this, 0, routes);
// Link the data and our listview using the adapter.
ListView listView = (ListView) findViewById(R.id.list);
listView.setAdapter(adapter);
setButtonListeners();
}
}
ITEM XML-Datei:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="60dp"
android:gravity="center_vertical"
android:minHeight="60dp"
android:background="@color/background"
android:clickable="true"
>
<TextView
android:id="@+id/smallname"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_marginLeft="20dp"
android:background="@drawable/circle"
android:gravity="center"
android:text="51A"
android:textColor="@android:color/tab_indicator_text"
android:textStyle="bold"
android:layout_centerVertical="true"
android:textSize="15sp"
android:focusable="false"
/>
<TextView android:id="@+id/longname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="85dp"
android:layout_centerVertical="true"
android:text="Name"
android:textStyle="bold"
android:textSize="14sp"
android:focusable="false"/>
</RelativeLayout>