me.tabak.fragmentswitcher.sample.SampleFragment.java Source code

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Here is the source code for me.tabak.fragmentswitcher.sample.SampleFragment.java

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/*
 * Copyright 2014 Jacob Tabak
 *
 * 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 me.tabak.fragmentswitcher.sample;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.Random;

import de.svenjacobs.loremipsum.LoremIpsum;

public class SampleFragment extends Fragment {
    public static final String KEY_TEXT = "text";
    private static final String KEY_RANDOM_STRINGS = "random_strings";
    private ListView mListView;
    private ArrayAdapter<String> mListAdapter;
    private ArrayList<String> mRandomStrings;

    public static SampleFragment newInstance(String text) {
        SampleFragment sampleFragment = new SampleFragment();
        Bundle args = new Bundle();
        args.putString(KEY_TEXT, text);
        sampleFragment.setArguments(args);
        return sampleFragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (savedInstanceState == null) {
            mRandomStrings = generateRandomStrings();
        } else {
            mRandomStrings = savedInstanceState.getStringArrayList(KEY_RANDOM_STRINGS);
        }
        initializeAdapter();
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putStringArrayList(KEY_RANDOM_STRINGS, mRandomStrings);
    }

    private void initializeAdapter() {
        mListAdapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_1);
        mListAdapter.addAll(mRandomStrings);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
            @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_sample, container, false);
    }

    @Override
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        TextView textView = (TextView) view.findViewById(android.R.id.text1);
        textView.setText(getArguments().getString(KEY_TEXT));
        mListView = (ListView) view.findViewById(R.id.fragment_list);
        mListView.setAdapter(mListAdapter);
    }

    private ArrayList<String> generateRandomStrings() {
        ArrayList<String> strings = new ArrayList<String>(100);
        LoremIpsum loremIpsum = new LoremIpsum();
        Random random = new Random();
        for (int i = 0; i < 100; i++) {
            strings.add(loremIpsum.getWords(10, random.nextInt(50)));
        }
        return strings;
    }
}