自定义 actionbar 两边有空隙问题

http://www.aichengxu.com/other/3372571.htm

http://www.cnblogs.com/his365/p/6078093.html

主要代码：

1. @Override
2. protectedvoid onCreate(Bundle savedInstanceState){
3. super.onCreate(savedInstanceState);
4. setContentView(R.layout.sliding_menu_content);
5. myApplication =(MyApplication) getApplication();
6. mContext =this;
7. mActionBar = getSupportActionBar();
8. View actionbarView=LayoutInflater.from(this).inflate(R.layout.actionbar_layout,null);
9. ActionBar.LayoutParams layoutParams=newActionBar.LayoutParams(ActionBar.LayoutParams.MATCH_PARENT,
10. ActionBar.LayoutParams.MATCH_PARENT);
11. layoutParams.gravity =Gravity.CENTER_HORIZONTAL|Gravity.CENTER_HORIZONTAL;
12. mActionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
13. mActionBar.setDisplayShowHomeEnabled(false);
14. mActionBar.setDisplayShowCustomEnabled(true);
15. mActionBar.setDisplayShowTitleEnabled(false);
16. mActionBar.setCustomView(actionbarView, layoutParams);
17. Toolbar parent =(Toolbar) actionbarView.getParent();
18. parent.setContentInsetsAbsolute(0,0);
20. }
21. }