ActionBar设置双击事件

package com.example.actionbartest;

import android.os.Bundle;
import android.os.SystemClock;
import android.app.ActionBar;
import android.app.Activity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.LinearLayout;
import android.widget.Toast;

public class MainActivity extends Activity {

long[] mHits = new long[2];// 数组长度表示单击次数
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ActionBar actionBar = getActionBar();
View customView = LayoutInflater.from(this).inflate(R.layout.test_title, new LinearLayout(this), false);
getActionBar().setDisplayShowHomeEnabled(false);
getActionBar().setDisplayShowCustomEnabled(true);
getActionBar().setCustomView(customView);
customView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
doubleClick();
System.out.println("自定义的ActionBar被单击了");
}

private void doubleClick() {
System.arraycopy(mHits, 1, mHits, 0, mHits.length - 1);
mHits[mHits.length - 1] = SystemClock.uptimeMillis();// 系统时钟, 开机后开始计算,
// 开机时间
if (mHits[0] >= (SystemClock.uptimeMillis() - 500)) {
Toast.makeText(getApplicationContext(), "我被双击了", Toast.LENGTH_SHORT).show();
}
}
});

}

@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);
return true;
}

}