| /* |
| * Copyright (C) 2015 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.example.android.support.design.widget; |
| |
| import com.example.android.support.design.Cheeses; |
| import com.example.android.support.design.R; |
| import com.example.android.support.design.Shakespeare; |
| |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.support.design.widget.CollapsingToolbarLayout; |
| import android.support.design.widget.TabLayout; |
| import android.support.v4.widget.SwipeRefreshLayout; |
| import android.support.v7.app.AppCompatActivity; |
| import android.support.v7.widget.LinearLayoutManager; |
| import android.support.v7.widget.RecyclerView; |
| import android.support.v7.widget.Toolbar; |
| import android.text.TextUtils; |
| import android.view.Menu; |
| import android.widget.TextView; |
| |
| import java.util.Random; |
| |
| abstract class AppBarLayoutUsageBase extends AppCompatActivity { |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(getLayoutId()); |
| |
| // Retrieve the Toolbar from our content view, and set it as the action bar |
| Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); |
| setSupportActionBar(toolbar); |
| |
| CollapsingToolbarLayout appBarLayout = (CollapsingToolbarLayout) |
| findViewById(R.id.collapsing_app_bar); |
| if (appBarLayout != null && displayTitle()) { |
| appBarLayout.setTitle(getTitle()); |
| } |
| |
| TextView dialog = (TextView) findViewById(R.id.textview_dialogue); |
| if (dialog != null) { |
| dialog.setText(TextUtils.concat(Shakespeare.DIALOGUE)); |
| } |
| |
| RecyclerView recyclerView = (RecyclerView) findViewById(R.id.appbar_recyclerview); |
| if (recyclerView != null) { |
| setupRecyclerView(recyclerView); |
| } |
| |
| TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs); |
| if (tabLayout != null) { |
| setupTabs(tabLayout); |
| } |
| |
| final SwipeRefreshLayout refreshLayout = (SwipeRefreshLayout) findViewById(R.id.swiperefresh); |
| if (refreshLayout != null) { |
| refreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { |
| private final Handler mHandler = new Handler(); |
| |
| @Override |
| public void onRefresh() { |
| // Post a delayed runnable to reset the refreshing state in 2 seconds |
| mHandler.postDelayed(new Runnable() { |
| @Override |
| public void run() { |
| refreshLayout.setRefreshing(false); |
| } |
| }, 2000); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public boolean onCreateOptionsMenu(Menu menu) { |
| getMenuInflater().inflate(R.menu.sample_actions, menu); |
| return true; |
| } |
| |
| private void addRandomTab(TabLayout tabLayout) { |
| Random r = new Random(); |
| String cheese = Cheeses.sCheeseStrings[r.nextInt(Cheeses.sCheeseStrings.length)]; |
| tabLayout.addTab(tabLayout.newTab().setText(cheese)); |
| } |
| |
| private void setupTabs(TabLayout tabLayout) { |
| for (int i = 0; i < 10; i++) { |
| addRandomTab(tabLayout); |
| } |
| } |
| |
| private void setupRecyclerView(RecyclerView recyclerView) { |
| recyclerView.setLayoutManager(new LinearLayoutManager(recyclerView.getContext())); |
| recyclerView.setAdapter(new SimpleStringRecyclerViewAdapter(this, Cheeses.sCheeseStrings)); |
| } |
| |
| protected boolean displayTitle() { |
| return true; |
| } |
| |
| protected abstract int getLayoutId(); |
| |
| } |