• Menu文件夾下代碼:

  <menu xmlns:android="http://schemas.android.com/apk/res/android" ><!-- 系統提供的分享: android:actionProviderClass="包名.類名"android:actionProviderClass="android.widget.ShareActionProvider"--><item android:id="@+id/action_shared"android:orderInCategory="100"android:showAsAction="always"android:actionProviderClass="android.widget.ShareActionProvider"/><item android:id="@+id/action_custom"android:orderInCategory="100"android:showAsAction="always"android:actionProviderClass="com.qf.day15_actionbar_demo3.MyProvider"/></menu>
  • 界面xml代碼:
  <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=".MainActivity" ><TextView android:id="@+id/tv"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="內涵段子" /></RelativeLayout>

• MainActivity界面邏輯代碼:

  package com.qf.day15_actionbar_demo3;import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.MenuItem; import android.widget.ShareActionProvider; import android.widget.TextView;public class MainActivity extends Activity {private TextView tv;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);tv = (TextView) findViewById(R.id.tv);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);MenuItem item = menu.findItem(R.id.action_shared);ShareActionProvider provider = (ShareActionProvider) item.getActionProvider();Intent shareIntent = new Intent(Intent.ACTION_SEND);shareIntent.setType("text/plain");//分享的數據類型 文本//分享的數據shareIntent.putExtra(Intent.EXTRA_TEXT, tv.getText().toString().trim());provider.setShareIntent(shareIntent);return true;}}

• 一個自定義ActionProvider代碼:

  package com.qf.day15_actionbar_demo3;import android.content.Context; import android.view.ActionProvider; import android.view.View; import android.view.View.OnClickListener; import android.widget.TextView; import android.widget.Toast;public class MyProvider extends ActionProvider {private Context context;public MyProvider(Context context) {super(context);// TODO Auto-generated constructor stubthis.context = context;}@Override@Deprecatedpublic View onCreateActionView() {// TODO Auto-generated method stubTextView tv = new TextView(context);tv.setText("分享");tv.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubToast.makeText(context, "自定義的分享", 0).show();}});return tv;}}

總結

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