在行动吧箭福尔摩斯不显示

问题描述

在我的项目，我已经用行动吧福尔摩斯库。我想打在行动栏按钮我用下面的code

In my project I have used action bar sherlock library. I want to make back button in action bar I used following code

getSupportActionBar().setHomeButtonEnabled(true);

和

@Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {

        case android.R.id.home:
             finish();
             break;

        default:
            return super.onOptionsItemSelected(item);
        }
        return false;
    }

每一件事情是工作的罚款，但后退箭头（以图标的左侧）不显示。我想告诉后退箭头也。谁能告诉我什么，我做错了。

Every thing is working fine, but back Arrow (to the left of icon) is not displaying. I want to show Back Arrow also. Can anyone tell me what I am doing wrong.

推荐答案

您必须设置它是这样的：

You have to set it up this way:

ActionBar ab = getSupportActionBar();
ab.setDisplayHomeAsUpEnabled(true);

希望有所帮助。

Hope that helps.

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