| /* |
| * 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.R; |
| |
| import android.os.Bundle; |
| import android.support.design.widget.NavigationView; |
| import android.support.v4.view.GravityCompat; |
| import android.support.v4.widget.DrawerLayout; |
| import android.support.v7.app.AppCompatActivity; |
| import android.support.v7.widget.Toolbar; |
| import android.util.TypedValue; |
| import android.view.MenuItem; |
| import android.view.View; |
| import android.widget.TextView; |
| import android.widget.Toast; |
| |
| /** |
| * This demonstrates basic usage of NavigationView |
| */ |
| public class NavigationViewUsage extends AppCompatActivity { |
| |
| private DrawerLayout mDrawerLayout; |
| |
| private TextView mTextMessage; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.design_navigation); |
| |
| mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); |
| mTextMessage = (TextView) findViewById(R.id.message); |
| |
| // Set the color of status bar |
| TypedValue value = new TypedValue(); |
| getTheme().resolveAttribute(R.attr.colorPrimaryDark, value, true); |
| mDrawerLayout.setStatusBarBackgroundColor(value.data); |
| |
| // Retrieve the Toolbar from our content view, and set it as the action bar |
| Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); |
| setSupportActionBar(toolbar); |
| |
| // Toggle icon |
| toolbar.setNavigationIcon(R.drawable.ic_action_navigation_menu); |
| toolbar.setNavigationOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View view) { |
| mDrawerLayout.openDrawer(GravityCompat.START); |
| } |
| }); |
| |
| // Menu |
| NavigationView navigation = (NavigationView) findViewById(R.id.navigation); |
| navigation.setNavigationItemSelectedListener(mNavigationItemSelectedListener); |
| navigation.inflateHeaderView(R.layout.design_navigation_header); |
| } |
| |
| private NavigationView.OnNavigationItemSelectedListener mNavigationItemSelectedListener |
| = new NavigationView.OnNavigationItemSelectedListener() { |
| @Override |
| public boolean onNavigationItemSelected(MenuItem item) { |
| if (handleNavigationItemSelected(item)) { |
| mDrawerLayout.closeDrawers(); |
| return true; |
| } |
| return false; |
| } |
| }; |
| |
| private boolean handleNavigationItemSelected(MenuItem item) { |
| switch (item.getItemId()) { |
| case R.id.navigation_item_1: |
| mTextMessage.setText("1"); |
| return true; |
| case R.id.navigation_item_2: |
| mTextMessage.setText("2"); |
| return true; |
| case R.id.navigation_item_3: |
| mTextMessage.setText("3"); |
| return true; |
| case R.id.navigation_sub_item_1: |
| showToast(R.string.navigation_sub_item_1); |
| return true; |
| case R.id.navigation_sub_item_2: |
| showToast(R.string.navigation_sub_item_2); |
| return true; |
| case R.id.navigation_with_icon: |
| showToast(R.string.navigation_item_with_icon); |
| return true; |
| case R.id.navigation_without_icon: |
| showToast(R.string.navigation_item_without_icon); |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| private void showToast(int res) { |
| Toast.makeText(this, getString(R.string.navigation_message, getString(res)), |
| Toast.LENGTH_SHORT).show(); |
| } |
| |
| @Override |
| public void onBackPressed() { |
| if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) { |
| mDrawerLayout.closeDrawer(GravityCompat.START); |
| } else { |
| super.onBackPressed(); |
| } |
| } |
| |
| } |