ActionBar详解(七)--->ActionProvider使用示例

MainActivity如下:

package cc.testsimpleactionbar6;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ShareActionProvider;
/**
 * Demo描述:
 * ActionProvider使用示例
 * 在此以ShareActionProvider为例
 * 
 * 备注说明:
 * 在menu的xml文件中需要设置属性:
 * android:actionProviderClass="android.widget.ShareActionProvider"
 * 
 * 参考资料:
 * 1 http://docs.eoeandroid.com/training/sharing/shareaction.html
 * 2 http://blog.csdn.net/eclipsexys/article/details/8688538
 * 3 http://blog.csdn.net/think_soft/article/details/7370686
 *   Thank you very much
 *   
 */
public class MainActivity extends Activity {
    private ShareActionProvider  mShareActionProvider;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		getMenuInflater().inflate(R.menu.share_menu, menu);
		MenuItem menuItem = menu.findItem(R.id.share_item);
		mShareActionProvider = (ShareActionProvider) menuItem.getActionProvider();
		Intent shareIntent=getShareIntent();
		mShareActionProvider.setShareIntent(shareIntent);
		return true;
	}
	
	public Intent getShareIntent() {
		Intent intent = new Intent(Intent.ACTION_SEND);
		intent.putExtra(Intent.EXTRA_TEXT, "这里是要分享的文字");
		intent.setType("text/plain");
		Intent.createChooser(intent, "Share");
		return intent;
	}

}

 main.xml如下:

<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"
    >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="ActionProvider使用示例" 
        android:layout_centerInParent="true"
        android:textSize="18sp"
    />

</RelativeLayout>

share_menu.xml如下:

<menu xmlns:android="http://schemas.android.com/apk/res/android" >

    <item
        android:id="@+id/share_item"
        android:actionProviderClass="android.widget.ShareActionProvider"
        android:orderInCategory="100"
        android:showAsAction="always"
        android:title="分享"
     />

</menu>