1 /* 2 Copyright 2016 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 package com.example.android.wearable.wear.weardrawers; 17 18 import android.app.Fragment; 19 import android.app.FragmentManager; 20 import android.content.Context; 21 import android.graphics.drawable.Drawable; 22 import android.os.Bundle; 23 import android.support.wearable.activity.WearableActivity; 24 import android.support.wearable.view.drawer.WearableActionDrawer; 25 import android.support.wearable.view.drawer.WearableDrawerLayout; 26 import android.support.wearable.view.drawer.WearableNavigationDrawer; 27 import android.util.Log; 28 import android.view.Gravity; 29 import android.view.LayoutInflater; 30 import android.view.MenuItem; 31 import android.view.View; 32 import android.view.ViewGroup; 33 import android.view.ViewTreeObserver; 34 import android.widget.ImageView; 35 import android.widget.Toast; 36 37 import java.util.ArrayList; 38 39 /** 40 * Demonstrates use of Navigation and Action Drawers on Android Wear. 41 */ 42 public class MainActivity extends WearableActivity implements 43 WearableActionDrawer.OnMenuItemClickListener { 44 45 private static final String TAG = "MainActivity"; 46 47 private WearableDrawerLayout mWearableDrawerLayout; 48 private WearableNavigationDrawer mWearableNavigationDrawer; 49 private WearableActionDrawer mWearableActionDrawer; 50 51 private ArrayList<Planet> mSolarSystem; 52 private int mSelectedPlanet; 53 54 private PlanetFragment mPlanetFragment; 55 56 @Override 57 protected void onCreate(Bundle savedInstanceState) { 58 super.onCreate(savedInstanceState); 59 Log.d(TAG, "onCreate()"); 60 61 setContentView(R.layout.activity_main); 62 setAmbientEnabled(); 63 64 mSolarSystem = initializeSolarSystem(); 65 mSelectedPlanet = 0; 66 67 // Initialize content to first planet. 68 mPlanetFragment = new PlanetFragment(); 69 Bundle args = new Bundle(); 70 71 int imageId = getResources().getIdentifier(mSolarSystem.get(mSelectedPlanet).getImage(), 72 "drawable", getPackageName()); 73 74 75 args.putInt(PlanetFragment.ARG_PLANET_IMAGE_ID, imageId); 76 mPlanetFragment.setArguments(args); 77 FragmentManager fragmentManager = getFragmentManager(); 78 fragmentManager.beginTransaction().replace(R.id.content_frame, mPlanetFragment).commit(); 79 80 // Main Wearable Drawer Layout that wraps all content 81 mWearableDrawerLayout = (WearableDrawerLayout) findViewById(R.id.drawer_layout); 82 83 // Top Navigation Drawer 84 mWearableNavigationDrawer = 85 (WearableNavigationDrawer) findViewById(R.id.top_navigation_drawer); 86 mWearableNavigationDrawer.setAdapter(new NavigationAdapter(this)); 87 88 // Bottom Action Drawer 89 mWearableActionDrawer = 90 (WearableActionDrawer) findViewById(R.id.bottom_action_drawer); 91 92 mWearableActionDrawer.setOnMenuItemClickListener(this); 93 94 // Temporarily peeks the navigation and action drawers to ensure the user is aware of them. 95 ViewTreeObserver observer = mWearableDrawerLayout.getViewTreeObserver(); 96 observer.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { 97 @Override 98 public void onGlobalLayout() { 99 mWearableDrawerLayout.getViewTreeObserver().removeOnGlobalLayoutListener(this); 100 mWearableDrawerLayout.peekDrawer(Gravity.TOP); 101 mWearableDrawerLayout.peekDrawer(Gravity.BOTTOM); 102 } 103 }); 104 105 /* Action Drawer Tip: If you only have a single action for your Action Drawer, you can use a 106 * (custom) View to peek on top of the content by calling 107 * mWearableActionDrawer.setPeekContent(View). Make sure you set a click listener to handle 108 * a user clicking on your View. 109 */ 110 } 111 112 private ArrayList<Planet> initializeSolarSystem() { 113 ArrayList<Planet> solarSystem = new ArrayList<Planet>(); 114 String[] planetArrayNames = getResources().getStringArray(R.array.planets_array_names); 115 116 for (int i = 0; i < planetArrayNames.length; i++) { 117 String planet = planetArrayNames[i]; 118 int planetResourceId = 119 getResources().getIdentifier(planet, "array", getPackageName()); 120 String[] planetInformation = getResources().getStringArray(planetResourceId); 121 122 solarSystem.add(new Planet( 123 planetInformation[0], // Name 124 planetInformation[1], // Navigation icon 125 planetInformation[2], // Image icon 126 planetInformation[3], // Moons 127 planetInformation[4], // Volume 128 planetInformation[5])); // Surface area 129 } 130 131 return solarSystem; 132 } 133 134 @Override 135 public boolean onMenuItemClick(MenuItem menuItem) { 136 Log.d(TAG, "onMenuItemClick(): " + menuItem); 137 138 final int itemId = menuItem.getItemId(); 139 140 String toastMessage = ""; 141 142 switch (itemId) { 143 case R.id.menu_planet_name: 144 toastMessage = mSolarSystem.get(mSelectedPlanet).getName(); 145 break; 146 case R.id.menu_number_of_moons: 147 toastMessage = mSolarSystem.get(mSelectedPlanet).getMoons(); 148 break; 149 case R.id.menu_volume: 150 toastMessage = mSolarSystem.get(mSelectedPlanet).getVolume(); 151 break; 152 case R.id.menu_surface_area: 153 toastMessage = mSolarSystem.get(mSelectedPlanet).getSurfaceArea(); 154 break; 155 } 156 157 mWearableDrawerLayout.closeDrawer(mWearableActionDrawer); 158 159 if (toastMessage.length() > 0) { 160 Toast toast = Toast.makeText( 161 getApplicationContext(), 162 toastMessage, 163 Toast.LENGTH_SHORT); 164 toast.show(); 165 return true; 166 } else { 167 return false; 168 } 169 } 170 171 private final class NavigationAdapter 172 extends WearableNavigationDrawer.WearableNavigationDrawerAdapter { 173 174 private final Context mContext; 175 176 public NavigationAdapter(Context context) { 177 mContext = context; 178 } 179 180 @Override 181 public int getCount() { 182 return mSolarSystem.size(); 183 } 184 185 @Override 186 public void onItemSelected(int position) { 187 Log.d(TAG, "WearableNavigationDrawerAdapter.onItemSelected(): " + position); 188 mSelectedPlanet = position; 189 190 String selectedPlanetImage = mSolarSystem.get(mSelectedPlanet).getImage(); 191 int drawableId = 192 getResources().getIdentifier(selectedPlanetImage, "drawable", getPackageName()); 193 mPlanetFragment.updatePlanet(drawableId); 194 } 195 196 @Override 197 public String getItemText(int pos) { 198 return mSolarSystem.get(pos).getName(); 199 } 200 201 @Override 202 public Drawable getItemDrawable(int pos) { 203 String navigationIcon = mSolarSystem.get(pos).getNavigationIcon(); 204 205 int drawableNavigationIconId = 206 getResources().getIdentifier(navigationIcon, "drawable", getPackageName()); 207 208 return mContext.getDrawable(drawableNavigationIconId); 209 } 210 } 211 212 /** 213 * Fragment that appears in the "content_frame", just shows the currently selected planet. 214 */ 215 public static class PlanetFragment extends Fragment { 216 public static final String ARG_PLANET_IMAGE_ID = "planet_image_id"; 217 218 private ImageView mImageView; 219 220 public PlanetFragment() { 221 // Empty constructor required for fragment subclasses 222 } 223 224 @Override 225 public View onCreateView(LayoutInflater inflater, ViewGroup container, 226 Bundle savedInstanceState) { 227 View rootView = inflater.inflate(R.layout.fragment_planet, container, false); 228 229 mImageView = ((ImageView) rootView.findViewById(R.id.image)); 230 231 int imageIdToLoad = getArguments().getInt(ARG_PLANET_IMAGE_ID); 232 mImageView.setImageResource(imageIdToLoad); 233 234 return rootView; 235 } 236 237 public void updatePlanet(int imageId) { 238 mImageView.setImageResource(imageId); 239 } 240 } 241 }
