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When starting a new Activity with an Intent, does the bar on the top of an Activity provide a back button automatically? I assumed that's how it works but am not seeing it. If it doesn't appear automatically, what's required to make it appear?

user2345093
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    Have you even tried searching? There are already a lot of answers about this, for instance: http://stackoverflow.com/questions/14545139/android-back-button-in-the-title-bar – Squeazer Nov 08 '14 at 21:11
  • @Squeazer Thanks for pointing me to that! I did try searching but strangely nothing useful came up. That answered my question completely. – user2345093 Nov 08 '14 at 21:36

2 Answers2

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hey if i am right you looking for home up button in action bar

see like that, put this in your new activity

getActionBar().setTitle("");
    getActionBar()
            .setBackgroundDrawable(
                    new ColorDrawable(getResources().getColor(
                            R.color.actionBarBg)));
    getActionBar().setDisplayHomeAsUpEnabled(true);

put before setContentView

and it handled by menus 

@Override
public boolean onMenuItemSelected(int featureId, MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:

        finish();
        return true;
    default:
        break;
    }
    return false;
}

thanks

Saveen
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First, the intent which you insert in a startActivity() method, which starts the activity that you want is not related at all with the back arrow on the toolbar() of the activity.

Second, you should see this : Android - Back button in the title bar. Maybe, this will work out.

Don't forget to add the meta-data in the manifest! You don't want a "hidden" "NullPointerException".

Community
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Rares-Mihai Chelariu
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