我正在尝试让我的Actionbar上的刷新按钮旋转,但我遇到了一些问题。视图似乎丢失了水平边距/填充(我没有在任何地方设置它),并且不会旋转。我没有收到任何空错误、崩溃或其他指向正确方向的信息。我做错了什么?任何帮助将不胜感激。
Main.java:
Main.java:
public class Main extends ActionBarActivity{
...
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_refresh:
refresh();
break;
default:
break;
}
return super.onOptionsItemSelected(item);
}
public void refresh() {
LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
ImageView imageView = (ImageView) inflater.inflate(R.layout.action_refresh, null);
Animation rotation = AnimationUtils.loadAnimation(this, R.anim.rotate);
rotation.setRepeatCount(Animation.INFINITE);
imageView.startAnimation(rotation);
MenuItem item = menu.findItem(R.id.action_refresh);
item.setActionView(R.layout.action_refresh);
}
}
Menu.XML
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:yourapp="http://schemas.android.com/apk/res-auto" >
<item android:id="@+id/action_refresh"
android:icon="@drawable/ic_action_refresh"
android:title="refresh"
android:actionLayout="@layout/action_refresh"
yourapp:showAsAction="ifRoom"
/>
<item
android:id="@+id/category_spinner_item"
android:showAsAction="ifRoom"
android:actionLayout="@layout/action_sort"
/>
</menu>
action_refresh.xml
<?xml version="1.0" encoding="utf-8"?>
<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_action_refresh"
/>
anim/rotate.xml
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
android:fromDegrees="0"
android:toDegrees="360"
android:pivotX="50%"
android:pivotY="50%"
android:duration="10000"
android:interpolator="@android:anim/linear_interpolator" />