Java tutorial
/* * Copyright 2011 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.easymint.ui; import com.easymint.R; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.Fragment; /** * A {@link BaseActivity} that simply contains a single fragment. The intent used to invoke this * activity is forwarded to the fragment as arguments during fragment instantiation. Derived * activities should only need to implement * {@link com.google.android.apps.iosched.ui.BaseSinglePaneActivity#onCreatePane()}. */ public abstract class BaseSinglePaneActivity extends BaseActivity { private Fragment mFragment; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_singlepane_empty); getActivityHelper().setupActionBar(getTitle(), 0); final String customTitle = getIntent().getStringExtra(Intent.EXTRA_TITLE); getActivityHelper().setActionBarTitle(customTitle != null ? customTitle : getTitle()); if (savedInstanceState == null) { mFragment = onCreatePane(); mFragment.setArguments(intentToFragmentArguments(getIntent())); getSupportFragmentManager().beginTransaction().add(R.id.root_container, mFragment).commit(); } } /** * Called in <code>onCreate</code> when the fragment constituting this activity is needed. * The returned fragment's arguments will be set to the intent used to invoke this activity. */ protected abstract Fragment onCreatePane(); }