Java tutorial
/* * Copyright 2015 Vasya Drobushkov * * 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.krossovochkin.adsl; import android.content.Intent; import android.os.Bundle; import android.support.design.widget.NavigationView; import android.support.v4.view.GravityCompat; import android.support.v4.view.MenuItemCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.SwitchCompat; import android.support.v7.widget.Toolbar; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.CompoundButton; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import com.krossovochkin.adsl.appbarlayout.AppBarLayoutActivity; import com.krossovochkin.adsl.bottomsheets.BottomSheetDialogFragmentActivity; import com.krossovochkin.adsl.bottomsheets.BottomSheetsActivity; import com.krossovochkin.adsl.collapsingtoolbarlayout.CollapsingToolbarLayoutScrollActivity; import com.krossovochkin.adsl.collapsingtoolbarlayout.CollapsingToolbarLayoutScrollEnterAlwaysEnterAlwaysCollapsedActivity; import com.krossovochkin.adsl.collapsingtoolbarlayout.CollapsingToolbarLayoutScrollExitUntilCollapsedActivity; import com.krossovochkin.adsl.collapsingtoolbarlayout.CollapsingToolbarLayoutTextProtectionActivity; import com.krossovochkin.adsl.coordinatorlayout.CoordinatorLayoutAnchorActivity; import com.krossovochkin.adsl.coordinatorlayout.CoordinatorLayoutAppBarLayoutScrollActivity; import com.krossovochkin.adsl.coordinatorlayout.CoordinatorLayoutAppBarLayoutScrollEnterAlwaysActivity; import com.krossovochkin.adsl.coordinatorlayout.CoordinatorLayoutAppBarLayoutScrollEnterAlwaysSnapActivity; import com.krossovochkin.adsl.coordinatorlayout.CoordinatorLayoutCustomButtonAndSnackbarActivity; import com.krossovochkin.adsl.coordinatorlayout.CoordinatorLayoutFabAndSnackbarActivity; import com.krossovochkin.adsl.coordinatorlayout.CoordinatorLayoutFabScrollBehaviorActivity; import com.krossovochkin.adsl.fab.FloatingActionButtonActivity; import com.krossovochkin.adsl.snackbar.SnackbarActivity; import com.krossovochkin.adsl.tablayout.TabLayoutManualActivity; import com.krossovochkin.adsl.tablayout.TabLayoutViewPagerFixedActivity; import com.krossovochkin.adsl.tablayout.TabLayoutViewPagerScrollActivity; import com.krossovochkin.adsl.textinputlayout.TextInputLayoutBasicsActivity; import com.krossovochkin.adsl.textinputlayout.TextInputLayoutCountersActivity; import com.krossovochkin.adsl.textinputlayout.TextInputLayoutErrorsActivity; public class MainActivity extends AppCompatActivity { private DrawerLayout mDrawerLayout; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout); final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationView); setupNavigationView(navigationView); if (getSupportActionBar() != null) { getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_menu); } final ListView listView = (ListView) findViewById(R.id.listView); initList(listView); } private void setupNavigationView(NavigationView navigationView) { navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() { @Override public boolean onNavigationItemSelected(MenuItem item) { if (item.getGroupId() == R.id.checkableGroup) { item.setChecked(true); } // TODO: provide some action depending on item selected - by item.getItemId() mDrawerLayout.closeDrawers(); return true; } }); Menu menu = navigationView.getMenu(); SwitchCompat switchCompat = (SwitchCompat) MenuItemCompat.getActionView(menu.findItem(R.id.switchItem)) .findViewById(R.id.switchCompat); switchCompat.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { Toast.makeText(MainActivity.this, "switch is " + (isChecked ? "checked" : "unchecked"), Toast.LENGTH_SHORT).show(); } }); TextView textView = (TextView) MenuItemCompat.getActionView(menu.findItem(R.id.counterItem)) .findViewById(R.id.textView); textView.setText("5"); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.main_menu, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == android.R.id.home) { mDrawerLayout.openDrawer(GravityCompat.START); return true; } return super.onOptionsItemSelected(item); } private void initList(final ListView listView) { String[] items = new String[] { "TextInputLayout - Basics", "TextInputLayout - Errors", "TextInputLayout - Counters", "FloatingActionButton - Basics", "Snackbar - Basics", "TabLayout - ViewPager, Fixed", "TabLayout - ViewPager, Scroll", "TabLayout - Manual", "CoordinatorLayout - Fab & Snackbar", "AppBarLayout - Basics", "AppBarLayout - scroll", "AppBarLayout - scroll|enterAlways", "AppBarLayout - scroll|enterAlways|snap", "CoordinatorLayout - anchor", "CoordinatorLayout - Custom FAB-like behavior", "CoordinatorLayout - ScrollAwareFABBehavior by Ian Lake", "CollapsingToolbarLayout, NestedScrollView, FAB Behavior - scroll", "CollapsingToolbarLayout, ... - scroll|exitUntilCollapsed", "CollapsingToolbarLayout, ... - scroll|enterAlways|enterAlwaysCollapsed", "CollapsingToolbarLayout - Text Protection", "Bottom Sheets - Basics", "Bottom Sheets - Dialog Fragment" }; listView.setAdapter(new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, items)); listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { switch (position) { case 0: startActivity(new Intent(MainActivity.this, TextInputLayoutBasicsActivity.class)); break; case 1: startActivity(new Intent(MainActivity.this, TextInputLayoutErrorsActivity.class)); break; case 2: startActivity(new Intent(MainActivity.this, TextInputLayoutCountersActivity.class)); break; case 3: startActivity(new Intent(MainActivity.this, FloatingActionButtonActivity.class)); break; case 4: startActivity(new Intent(MainActivity.this, SnackbarActivity.class)); break; case 5: startActivity(new Intent(MainActivity.this, TabLayoutViewPagerFixedActivity.class)); break; case 6: startActivity(new Intent(MainActivity.this, TabLayoutViewPagerScrollActivity.class)); break; case 7: startActivity(new Intent(MainActivity.this, TabLayoutManualActivity.class)); break; case 8: startActivity(new Intent(MainActivity.this, CoordinatorLayoutFabAndSnackbarActivity.class)); break; case 9: startActivity(new Intent(MainActivity.this, AppBarLayoutActivity.class)); break; case 10: startActivity(new Intent(MainActivity.this, CoordinatorLayoutAppBarLayoutScrollActivity.class)); break; case 11: startActivity(new Intent(MainActivity.this, CoordinatorLayoutAppBarLayoutScrollEnterAlwaysActivity.class)); break; case 12: startActivity(new Intent(MainActivity.this, CoordinatorLayoutAppBarLayoutScrollEnterAlwaysSnapActivity.class)); break; case 13: startActivity(new Intent(MainActivity.this, CoordinatorLayoutAnchorActivity.class)); break; case 14: startActivity( new Intent(MainActivity.this, CoordinatorLayoutCustomButtonAndSnackbarActivity.class)); break; case 15: startActivity(new Intent(MainActivity.this, CoordinatorLayoutFabScrollBehaviorActivity.class)); break; case 16: startActivity(new Intent(MainActivity.this, CollapsingToolbarLayoutScrollActivity.class)); break; case 17: startActivity(new Intent(MainActivity.this, CollapsingToolbarLayoutScrollExitUntilCollapsedActivity.class)); break; case 18: startActivity(new Intent(MainActivity.this, CollapsingToolbarLayoutScrollEnterAlwaysEnterAlwaysCollapsedActivity.class)); break; case 19: startActivity( new Intent(MainActivity.this, CollapsingToolbarLayoutTextProtectionActivity.class)); break; case 20: startActivity(new Intent(MainActivity.this, BottomSheetsActivity.class)); break; case 21: startActivity(new Intent(MainActivity.this, BottomSheetDialogFragmentActivity.class)); break; } } }); } }