From 85241cc7950e60747decf21eab81a9c6b9a3e71b Mon Sep 17 00:00:00 2001 From: Dianne Hackborn Date: Mon, 12 Dec 2011 17:33:51 -0800 Subject: Add button to clear back stack. Change-Id: I4f02714ec349055a486608ff0eab75a46d6ba7cd --- .../example/android/supportv4/app/FragmentStackSupport.java | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'samples/Support4Demos/src') diff --git a/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentStackSupport.java b/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentStackSupport.java index c4d05fa9f..337f2c120 100644 --- a/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentStackSupport.java +++ b/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentStackSupport.java @@ -20,6 +20,7 @@ import com.example.android.supportv4.R; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; +import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import android.os.Bundle; @@ -45,6 +46,17 @@ public class FragmentStackSupport extends FragmentActivity { addFragmentToStack(); } }); + button = (Button)findViewById(R.id.home); + button.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + // If there is a back stack, pop it all. + FragmentManager fm = getSupportFragmentManager(); + if (fm.getBackStackEntryCount() > 0) { + fm.popBackStack(fm.getBackStackEntryAt(0).getId(), + FragmentManager.POP_BACK_STACK_INCLUSIVE); + } + } + }); if (savedInstanceState == null) { // Do first time initialization -- add initial fragment. -- cgit v1.2.3