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Diffstat (limited to 'java/com/android/incallui/baseui/BaseFragment.java')
-rw-r--r-- | java/com/android/incallui/baseui/BaseFragment.java | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/java/com/android/incallui/baseui/BaseFragment.java b/java/com/android/incallui/baseui/BaseFragment.java new file mode 100644 index 000000000..58b8c6f8d --- /dev/null +++ b/java/com/android/incallui/baseui/BaseFragment.java @@ -0,0 +1,75 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * 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.android.incallui.baseui; + +import android.os.Bundle; +import android.support.v4.app.Fragment; + +/** Parent for all fragments that use Presenters and Ui design. */ +public abstract class BaseFragment<T extends Presenter<U>, U extends Ui> extends Fragment { + + private static final String KEY_FRAGMENT_HIDDEN = "key_fragment_hidden"; + + private T mPresenter; + + protected BaseFragment() { + mPresenter = createPresenter(); + } + + public abstract T createPresenter(); + + public abstract U getUi(); + + /** + * Presenter will be available after onActivityCreated(). + * + * @return The presenter associated with this fragment. + */ + public T getPresenter() { + return mPresenter; + } + + @Override + public void onActivityCreated(Bundle savedInstanceState) { + super.onActivityCreated(savedInstanceState); + mPresenter.onUiReady(getUi()); + } + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + if (savedInstanceState != null) { + mPresenter.onRestoreInstanceState(savedInstanceState); + if (savedInstanceState.getBoolean(KEY_FRAGMENT_HIDDEN)) { + getFragmentManager().beginTransaction().hide(this).commit(); + } + } + } + + @Override + public void onDestroyView() { + super.onDestroyView(); + mPresenter.onUiDestroy(getUi()); + } + + @Override + public void onSaveInstanceState(Bundle outState) { + super.onSaveInstanceState(outState); + mPresenter.onSaveInstanceState(outState); + outState.putBoolean(KEY_FRAGMENT_HIDDEN, isHidden()); + } +} |