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<android.support.v4.widget.DrawerLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:id="@+id/drawer_layout"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<!-- The main content view -->
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<FrameLayout
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android:id="@+id/content_frame"
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android:layout_width="match_parent"
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android:layout_height="match_parent" />
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<!-- The navigation drawer -->
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<ListView android:id="@+id/left_drawer"
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android:layout_width="240dp"
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android:layout_height="match_parent"
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android:layout_gravity="start"
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android:choiceMode="singleChoice"
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android:divider="@android:color/transparent"
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android:dividerHeight="0dp"
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android:background="#111"/>
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</android.support.v4.widget.DrawerLayout>
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public class MainActivity extends Activity {
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private String[] mPlanetTitles;
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private DrawerLayout mDrawerLayout;
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private ListView mDrawerList;
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...
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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mPlanetTitles = getResources().getStringArray(R.array.planets_array);
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mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
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mDrawerList = (ListView) findViewById(R.id.left_drawer);
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// Set the adapter for the list view
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mDrawerList.setAdapter(new ArrayAdapter<String>(this,
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R.layout.drawer_list_item, mPlanetTitles));
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// Set the list's click listener
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mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
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...
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}
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}
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private class DrawerItemClickListener implements ListView.OnItemClickListener {
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@Override
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public void onItemClick(AdapterView parent, View view, int position, long id) {
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selectItem(position);
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}
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}
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/** Swaps fragments in the main content view */
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private void selectItem(int position) {
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// Create a new fragment and specify the planet to show based on position
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Fragment fragment = new PlanetFragment();
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Bundle args = new Bundle();
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args.putInt(PlanetFragment.ARG_PLANET_NUMBER, position);
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fragment.setArguments(args);
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// Insert the fragment by replacing any existing fragment
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FragmentManager fragmentManager = getFragmentManager();
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fragmentManager.beginTransaction()
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.replace(R.id.content_frame, fragment)
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.commit();
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// Highlight the selected item, update the title, and close the drawer
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mDrawerList.setItemChecked(position, true);
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setTitle(mPlanetTitles[position]);
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mDrawerLayout.closeDrawer(mDrawerList);
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}
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@Override
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public void setTitle(CharSequence title) {
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mTitle = title;
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getActionBar().setTitle(mTitle);
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}
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public class MainActivity extends Activity {
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private DrawerLayout mDrawerLayout;
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private ActionBarDrawerToggle mDrawerToggle;
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private CharSequence mDrawerTitle;
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private CharSequence mTitle;
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...
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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...
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mTitle = mDrawerTitle = getTitle();
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mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
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mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
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R.drawable.ic_drawer, R.string.drawer_open, R.string.drawer_close) {
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/** Called when a drawer has settled in a completely closed state. */
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public void onDrawerClosed(View view) {
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getActionBar().setTitle(mTitle);
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invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
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}
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/** Called when a drawer has settled in a completely open state. */
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public void onDrawerOpened(View drawerView) {
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getActionBar().setTitle(mDrawerTitle);
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invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
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}
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};
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// Set the drawer toggle as the DrawerListener
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mDrawerLayout.setDrawerListener(mDrawerToggle);
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}
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/* Called whenever we call invalidateOptionsMenu() */
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@Override
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public boolean onPrepareOptionsMenu(Menu menu) {
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// If the nav drawer is open, hide action items related to the content view
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boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
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menu.findItem(R.id.action_websearch).setVisible(!drawerOpen);
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return super.onPrepareOptionsMenu(menu);
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}
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}
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public class MainActivity extends Activity {
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private DrawerLayout mDrawerLayout;
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private ActionBarDrawerToggle mDrawerToggle;
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...
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public void onCreate(Bundle savedInstanceState) {
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...
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mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
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mDrawerToggle = new ActionBarDrawerToggle(
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this, /* host Activity */
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mDrawerLayout, /* DrawerLayout object */
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R.drawable.ic_drawer, /* nav drawer icon to replace 'Up' caret */
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R.string.drawer_open, /* "open drawer" description */
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R.string.drawer_close /* "close drawer" description */
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) {
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/** Called when a drawer has settled in a completely closed state. */
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public void onDrawerClosed(View view) {
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getActionBar().setTitle(mTitle);
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}
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/** Called when a drawer has settled in a completely open state. */
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public void onDrawerOpened(View drawerView) {
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getActionBar().setTitle(mDrawerTitle);
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}
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};
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// Set the drawer toggle as the DrawerListener
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mDrawerLayout.setDrawerListener(mDrawerToggle);
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getActionBar().setDisplayHomeAsUpEnabled(true);
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getActionBar().setHomeButtonEnabled(true);
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}
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@Override
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protected void onPostCreate(Bundle savedInstanceState) {
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super.onPostCreate(savedInstanceState);
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// Sync the toggle state after onRestoreInstanceState has occurred.
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mDrawerToggle.syncState();
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}
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@Override
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public void onConfigurationChanged(Configuration newConfig) {
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super.onConfigurationChanged(newConfig);
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mDrawerToggle.onConfigurationChanged(newConfig);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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// Pass the event to ActionBarDrawerToggle, if it returns
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// true, then it has handled the app icon touch event
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if (mDrawerToggle.onOptionsItemSelected(item)) {
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return true;
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}
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// Handle your other action bar items...
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return super.onOptionsItemSelected(item);
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}
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...
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}
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