Add rotation animation and androidactionbar to buttons in Android ActionBar
Display the Menu item on ActionBar. A refresh button is displayed to simulate the addition of a refresh animation during the refresh action.
Menu Layout
Menu. xml
<menu xmlns:android="http://schemas.android.com/apk/res/android" > <item android:id="@+id/action_stop" android:orderInCategory="100" android:showAsAction="always" android:title="@string/action_stop"/> <item android:id="@+id/action_refresh" android:orderInCategory="100" android:showAsAction="always" android:icon="@drawable/ic_action_refresh" /></menu>
Display the view refresh_view.xml of the rotating Animation
<ImageView xmlns:android="http://schemas.android.com/apk/res/android" style="@android:style/Widget.ActionButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:scaleType="centerInside" android:contentDescription="refresh" />
Set rotation attributes
Refresh. xml
<? Xml version = "1.0" encoding = "UTF-8"?> <! -- Copyright 2012 GitHub Inc. licensed under the Apache License, Version 2.0 (the "License"); you may not use this file License t in compliance with the License. you may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "as is" BASIS, without warranties or conditions of any kind, either express or implied. see the License for the specific language governing permissions and limitations under the License. --> <rotate xmlns: android = "http://schemas.android.com/apk/res/android" android: duration = "2000" android: fromDegrees = "0" android: interpolator = "@ android: anim/linear_interpolator" android: required Tx = "50%" android: Required ty = "50%" android: toDegrees = "360"/>View Code
Activity
Package com. example. actionbarmenubtnrefresh; import android. OS. bundle; import android. app. activity; import android. view. menu; import android. view. menuItem; import android. view. view; import android. view. animation. animation; import android. view. animation. animationUtils; import android. widget. imageView; import android. widget. toast; public class MainActivity extends Activity {protected MenuItem refreshItem; pri Vate boolean isRefreshState = false; @ Override protected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. main) ;}@ Override public boolean onCreateOptionsMenu (Menu menu) {// MenuInflater instantiates the Menu layout file getMenuInflater () under the Menu directory (). inflate (R. menu. main, menu); return true ;}@ Override public boolean onOptionsItemSelected (MenuItem item) {switch (item. g EtItemId () {case R. id. action_refresh: refreshMenuItemView (item); Toast. makeText (getBaseContext (), "Start to refresh", Toast. LENGTH_SHORT ). show (); break; case R. id. action_stop: hideRefreshAnimation (); Toast. makeText (getBaseContext (), "stop refreshing", Toast. LENGTH_SHORT ). show (); break; default: break;} return super. onOptionsItemSelected (item);} private void refreshMenuItemView (MenuItem item) {hideRefreshAnimation (); RefreshItem = item; // LayoutInflater instantiate the entire layout file // use ImageView to set it to the ActionView ImageView refreshView = (ImageView) getLayoutInflater () of MenuItem (). inflate (R. layout. refresh_view, null); refreshView. setImageResource (R. drawable. ic_action_refresh); refreshItem. setActionView (refreshView); // display and refresh Animation animation Animation = AnimationUtils. loadAnimation (this, R. anim. refresh); // set the recurrence mode Defines what this animation sho Could do when it reaches the end animation. setRepeatMode (Animation. RESTART); // set the number of repeaters to animation. setRepeatCount (Animation. INFINITE); // use ImageView to display the rotation animation refreshView. startAnimation (animation); isRefreshState = true;} private void hideRefreshAnimation () {if (refreshItem! = Null) {View view = refreshItem. getActionView (); if (view! = Null) {view. clearAnimation (); refreshItem. setActionView (null); isRefreshState = false ;}}}}View Code
The effect is as follows:
Click stop to stop the animation.
Reference http://my.oschina.net/fanxiao/blog/152175
GIF image online production: http://picasion.com/