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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.example.android.support.wear.app.drawers;
     18 
     19 import android.app.Activity;
     20 import android.app.Fragment;
     21 import android.os.Bundle;
     22 import android.util.Log;
     23 import android.view.MenuItem;
     24 import android.widget.Toast;
     25 
     26 import androidx.wear.widget.drawer.WearableActionDrawerView;
     27 import androidx.wear.widget.drawer.WearableNavigationDrawerView;
     28 
     29 import com.example.android.support.wear.R;
     30 
     31 /** Main {@link Activity} for demoing the Wearable Drawers. */
     32 public class WearableDrawersDemo extends Activity {
     33     private static final String TAG = "WearableDrawersDemo";
     34 
     35     private WearableNavigationDrawerView mNavDrawer;
     36     private WearableActionDrawerView mActionDrawer;
     37     private NavItem[] mNavItems;
     38 
     39     @Override
     40     protected void onCreate(Bundle savedInstanceState) {
     41         super.onCreate(savedInstanceState);
     42         setContentView(R.layout.wearable_drawers_demo);
     43         mNavItems = new NavItem[] {
     44                 new NavItem(
     45                         ScrollViewFragment.class,
     46                         "ScrollView",
     47                         getDrawable(android.R.drawable.star_big_off)),
     48                 new NavItem(
     49                         FrameLayoutFragment.class,
     50                         "FrameLayout",
     51                         getDrawable(android.R.drawable.star_big_on)),
     52         };
     53 
     54         onNavItemSelected(0);
     55 
     56         mNavDrawer = findViewById(R.id.nav_drawer);
     57         mNavDrawer.setAdapter(new DemoNavDrawerAdapter(mNavItems));
     58         mNavDrawer.addOnItemSelectedListener(this::onNavItemSelected);
     59         mNavDrawer.getController().peekDrawer();
     60 
     61         mActionDrawer = findViewById(R.id.action_drawer);
     62         mActionDrawer.setOnMenuItemClickListener(this::onActionClicked);
     63         mActionDrawer.getController().peekDrawer();
     64     }
     65 
     66     private boolean onActionClicked(MenuItem menuItem) {
     67         Toast.makeText(this, menuItem.getTitle() + " clicked", Toast.LENGTH_SHORT).show();
     68         mActionDrawer.getController().peekDrawer();
     69         return true;
     70     }
     71 
     72     private void onNavItemSelected(int pos) {
     73         Fragment fragment;
     74         try {
     75             fragment = mNavItems[pos].getFragment().newInstance();
     76         } catch (InstantiationException | IllegalAccessException e) {
     77             Log.e(TAG, "Failed to instantiate fragment", e);
     78             return;
     79         }
     80 
     81         getFragmentManager()
     82                 .beginTransaction()
     83                 .replace(R.id.fragment_container, fragment)
     84                 .commit();
     85     }
     86 }
     87