This exercise implement MenuItem of Share action in ActionBarCompat, and ShareActionProvider to share text if user click on the Share on the Share item. Base on last exercise “Handle onOptionsItemSelected() for ActionBarCompat“.

ActionBarCompat_ShareAction
ActionBarCompat with Share ShareActionProvider

Modify /res/menu/main.xml to add new item of action_share.

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

 <item
        android:id="@+id/action_share"
        android:title="Share"
        myapp:actionProviderClass="android.support.v7.widget.ShareActionProvider"
        myapp:showAsAction="always|withText" />
    <item
        android:id="@+id/action_settings"
        myapp:showAsAction="always|withText"
        android:title="@string/action_settings"/>

</menu>

MainActivity.java.

package com.example.testactionbarcompat;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.widget.ShareActionProvider;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends ActionBarActivity {

 private ShareActionProvider myShareActionProvider;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);

        //add MenuItem(s) to ActionBar using Java code
        MenuItem menuItem_Info = menu.add(0, R.id.menuid_info, 0, "Info");
        menuItem_Info.setIcon(android.R.drawable.ic_menu_info_details);
        MenuItemCompat.setShowAsAction(menuItem_Info,
          MenuItem.SHOW_AS_ACTION_ALWAYS|MenuItem.SHOW_AS_ACTION_WITH_TEXT);

        //Handle share menu item
        MenuItem shareItem = menu.findItem(R.id.action_share);
        myShareActionProvider = (ShareActionProvider)
          MenuItemCompat.getActionProvider(shareItem);
        setShareIntent();

        return true;
    }

 @Override
 public boolean onOptionsItemSelected(MenuItem item) {
  // TODO Auto-generated method stub
  //return super.onOptionsItemSelected(item);
  switch (item.getItemId()) {
        case R.id.action_settings:
         //match with /res/menu/main.xml
            Toast.makeText(this, "Setting", Toast.LENGTH_SHORT).show();
            return true;
        case R.id.menuid_info:
         //match with defined in onCreateOptionsMenu()
         Toast.makeText(this, "Info", Toast.LENGTH_SHORT).show();
            return true;
        default:
            return super.onOptionsItemSelected(item);
  }
 }

 //Set the share intent
 private void setShareIntent(){

  Intent intent = new Intent(Intent.ACTION_SEND);
  intent.setType("plain/text");
  intent.putExtra(Intent.EXTRA_TEXT, "Hello from android-er.blogspot.com");

  myShareActionProvider.setShareIntent(intent);
 }

}

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