| // Copyright (C) 2016 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.google.reviewit; |
| |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.app.FragmentTransaction; |
| import android.content.Context; |
| import android.net.ConnectivityManager; |
| import android.net.NetworkInfo; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.support.annotation.IdRes; |
| import android.support.annotation.LayoutRes; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.view.inputmethod.InputMethodManager; |
| import android.widget.TextView; |
| |
| import com.google.reviewit.app.SortActionHandler; |
| import com.google.reviewit.app.ReviewItApp; |
| import com.google.reviewit.util.TaskObserver; |
| import com.google.reviewit.util.WidgetUtil; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public abstract class BaseFragment extends Fragment { |
| protected View root; |
| protected WidgetUtil widgetUtil; |
| |
| @Override |
| public final View onCreateView( |
| LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { |
| widgetUtil = new WidgetUtil(getActivity()); |
| reset(container); |
| root = inflater.inflate(getLayout(), container, false); |
| return root; |
| } |
| |
| private void reset(ViewGroup container) { |
| container.removeAllViews(); |
| |
| MainActivity activity = ((MainActivity) getActivity()); |
| activity.select(getClass()); |
| |
| if (activity.getSupportActionBar() != null) { |
| activity.getSupportActionBar().show(); |
| } |
| |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { |
| getWindow().setStatusBarColor(widgetUtil.color(R.color.black)); |
| } |
| |
| // hide keyboard if it is open |
| View view = getActivity().getCurrentFocus(); |
| if (view != null) { |
| ((InputMethodManager) getActivity().getSystemService( |
| Context.INPUT_METHOD_SERVICE)) |
| .hideSoftInputFromWindow(view.getWindowToken(), 0); |
| } |
| |
| TaskObserver.clear(); |
| } |
| |
| protected abstract @LayoutRes int getLayout(); |
| |
| protected View v(@IdRes int id) { |
| return root.findViewById(id); |
| } |
| |
| protected View[] v(@IdRes int id, @IdRes int... moreIds) { |
| List<View> views = new ArrayList<>(moreIds.length + 1); |
| views.add(v(id)); |
| for (@IdRes int yaId : moreIds) { |
| views.add(v(yaId)); |
| } |
| return views.toArray(new View[views.size()]); |
| } |
| |
| protected ViewGroup vg(@IdRes int id) { |
| return (ViewGroup) root.findViewById(id); |
| } |
| |
| protected TextView tv(@IdRes int id) { |
| return (TextView) root.findViewById(id); |
| } |
| |
| protected String textOf(@IdRes int id) { |
| return tv(id).getText().toString(); |
| } |
| |
| protected void setTitle(String title) { |
| getActivity().setTitle(title); |
| } |
| |
| @Override |
| public Context getContext() { |
| return root.getContext(); |
| } |
| |
| protected Window getWindow() { |
| return getActivity().getWindow(); |
| } |
| |
| protected ReviewItApp getApp() { |
| return ((ReviewItApp) getActivity().getApplication()); |
| } |
| |
| protected SortActionHandler getSortActionHandler() { |
| return getApp().getSortActionHandler(); |
| } |
| |
| public void display( |
| Class<? extends Fragment> fragmentClass, Bundle bundle, |
| boolean addtoBackStack) { |
| try { |
| Fragment f = fragmentClass.newInstance(); |
| if (bundle != null) { |
| f.setArguments(bundle); |
| } |
| display(f, addtoBackStack); |
| } catch (IllegalAccessException e) { |
| throw new IllegalStateException(e); |
| } catch (java.lang.InstantiationException e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| |
| public void display(Class<? extends Fragment> fragmentClass) { |
| display(fragmentClass, null, true); |
| } |
| |
| public void display( |
| Class<? extends Fragment> fragmentClass, boolean addToBackStack) { |
| display(fragmentClass, null, addToBackStack); |
| } |
| |
| public void display(Fragment fragment) { |
| display(fragment, true); |
| } |
| |
| public void display(Fragment fragment, boolean addToBackStack) { |
| FragmentManager fragmentManager = getFragmentManager(); |
| FragmentTransaction t = fragmentManager.beginTransaction() |
| .replace(R.id.mainFrame, fragment); |
| |
| if (addToBackStack) { |
| t.addToBackStack(null); |
| } |
| |
| t.commit(); |
| } |
| |
| protected boolean isOnline() { |
| ConnectivityManager cm = |
| (ConnectivityManager) getActivity() |
| .getSystemService(Context.CONNECTIVITY_SERVICE); |
| NetworkInfo netInfo = cm.getActiveNetworkInfo(); |
| return netInfo != null && netInfo.isConnected(); |
| } |
| } |