DrawerLayout控件的Demo

package cn.com.demo; import android.os.Build; import android.os.Bundle; import android.app.Activity; import android.content.res.Configuration; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.ListView; import android.support.v4.app.ActionBarDrawerToggle; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; public class DrawerLayoutDemoActivity extends Activity { private String[] mPlanetTitles; private DrawerLayout mDrawerLayout; private ActionBarDrawerToggle mDrawerToggle; private ListView mDrawerList; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); // init the ListView and Adapter, nothing new initListView(); // set a custom shadow that overlays the main content when the drawer // opens mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START); mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.drawable.icon, R.string.drawer_open, R.string.drawer_close) { /** Called when a drawer has settled in a completely closed state. */ public void onDrawerClosed(View view) { if (Build.VERSION.SDK_INT > 10) { invalidateOptionsMenu(); // creates call to // onPrepareOptionsMenu() } } /** Called when a drawer has settled in a completely open state. */ public void onDrawerOpened(View drawerView) { if (Build.VERSION.SDK_INT > 10) { invalidateOptionsMenu(); // creates call to // onPrepareOptionsMenu() } } }; // Set the drawer toggle as the DrawerListener mDrawerLayout.setDrawerListener(mDrawerToggle); // enable ActionBar app icon to behave as action to toggle nav drawer // getActionBar().setDisplayHomeAsUpEnabled(true); // getActionBar().setHomeButtonEnabled(true); // Note: getActionBar() Added in API level 11 } private void initListView() { mDrawerList = (ListView) findViewById(R.id.left_drawer); mPlanetTitles = getResources().getStringArray(R.array.list_array); // Set the adapter for the list view mDrawerList.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mPlanetTitles)); // Set the list's click listener mDrawerList.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // Highlight the selected item, update the title, and close the // drawer mDrawerList.setItemChecked(position, true); setTitle(mPlanetTitles[position]); mDrawerLayout.closeDrawer(mDrawerList); } }); } @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(savedInstanceState); // Sync the toggle state after onRestoreInstanceState has occurred. mDrawerToggle.syncState(); } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); mDrawerToggle.onConfigurationChanged(newConfig); } @Override public boolean onOptionsItemSelected(MenuItem item) { // Pass the event to ActionBarDrawerToggle, if it returns // true, then it has handled the app icon touch event if (mDrawerToggle.onOptionsItemSelected(item)) { return true; } // Handle your other action bar items... return super.onOptionsItemSelected(item); } }