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BaseManageComponentFragment.java
/* * 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.afwsamples.testdpc.common; import android.app.Fragment; import android.content.pm.PackageManager; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.ListView; import android.widget.Spinner; import android.widget.SpinnerAdapter; import android.widget.TextView; import com.afwsamples.testdpc.R; /** * This fragment shows a spinner of all allowed component and a list of associated properties. */ public abstract class BaseManageComponentFragment
extends Fragment implements View.OnClickListener { protected PackageManager mPackageManager; protected Spinner mManagedAppsSpinner; protected TextView mHeaderView; protected ListView mAppListView; protected BaseAdapter mAdapter; @Override public void onResume() { super.onResume(); getActivity().getActionBar().setTitle(R.string.manage_apps); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mPackageManager = getActivity().getPackageManager(); } @Override public View onCreateView(LayoutInflater layoutInflater, ViewGroup container, Bundle savedInstanceState) { View view = layoutInflater.inflate(R.layout.manage_apps, null); mHeaderView = (TextView) view.findViewById(R.id.header_text); mManagedAppsSpinner = (Spinner) view.findViewById(R.id.managed_apps_list); mManagedAppsSpinner.setAdapter(createSpinnerAdapter()); mManagedAppsSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView> parent, View view, int position, long id) { onSpinnerItemSelected((T) mManagedAppsSpinner.getSelectedItem()); } @Override public void onNothingSelected(AdapterView> parent) { // Do nothing. } }); mAppListView = (ListView) view.findViewById(R.id.app_list_view); mAdapter = createListAdapter(); mAppListView.setAdapter(mAdapter); view.findViewById(R.id.save_app).setOnClickListener(this); view.findViewById(R.id.reset_app).setOnClickListener(this); view.findViewById(R.id.add_new_row).setOnClickListener(this); view.findViewById(R.id.load_default_button).setOnClickListener(this); onSpinnerItemSelected((T) mManagedAppsSpinner.getSelectedItem()); return view; } protected abstract SpinnerAdapter createSpinnerAdapter(); protected abstract BaseAdapter createListAdapter(); /** * Populates the adapter for app_list_view with data for this application. * @param item the selected spinner item. */ protected abstract void onSpinnerItemSelected(T item); @Override public void onClick(View view) { switch (view.getId()) { case R.id.reset_app: resetConfig(); break; case R.id.save_app: saveConfig(); break; case R.id.add_new_row: addNewRow(); break; case R.id.load_default_button: loadDefault(); } } protected abstract void resetConfig(); protected abstract void saveConfig(); protected abstract void addNewRow(); protected abstract void loadDefault(); }