package com.example.navigationdrawer5; import java.util.Locale; import android.app.Activity; import android.app.Fragment; import android.app.SearchManager; import android.content.Intent; import android.content.res.Configuration; import android.content.res.Resources; import android.os.Bundle; import android.support.v4.app.ActionBarDrawerToggle; import android.support.v4.widget.DrawerLayout; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ImageView; import android.widget.ListView; import android.widget.Toast; public class DrawerActivity extends Activity { private DrawerLayout drawerLayout; private ActionBarDrawerToggle drawerToggle; private ListView drawerList; private String[] planetTitles; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_drawer); planetTitles = getResources().getStringArray(R.array.planets_array); drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout); drawerList = (ListView) findViewById(R.id.drawerList); drawerList.setAdapter(new ArrayAdapter<String>(this, R.layout.drawer_list_item, planetTitles)); drawerList.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { selectItem(position); } }); getActionBar().setDisplayHomeAsUpEnabled(true); getActionBar().setHomeButtonEnabled(true); drawerToggle = new ActionBarDrawerToggle( this, drawerLayout, R.drawable.ic_drawer, R.string.drawer_open, R.string.drawer_close) { @Override public void onDrawerClosed(View drawerView) { int position = drawerList.getCheckedItemPosition(); getActionBar().setTitle(planetTitles[position]); invalidateOptionsMenu(); super.onDrawerClosed(drawerView); } @Override public void onDrawerOpened(View drawerView) { getActionBar().setTitle(R.string.app_name); invalidateOptionsMenu(); super.onDrawerOpened(drawerView); } }; drawerLayout.setDrawerListener(drawerToggle); if (savedInstanceState == null) { selectItem(0); } } private void selectItem(int position) { Fragment fragment = new DrawerFragment(); Bundle args = new Bundle(); args.putInt(DrawerFragment.ARG_PLANET_ID, position); fragment.setArguments(args); getFragmentManager().beginTransaction().replace(R.id.contentFrame, fragment).commit(); drawerList.setItemChecked(position, true); drawerLayout.closeDrawer(drawerList); getActionBar().setTitle(planetTitles[position]); } @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(savedInstanceState); //5、必须在此处同步状态 drawerToggle.syncState(); } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); drawerToggle.onConfigurationChanged(newConfig); } @Override public boolean onPrepareOptionsMenu(Menu menu) { boolean isDrawerOpen = drawerLayout.isDrawerOpen(drawerList); menu.findItem(R.id.action_search).setVisible(!isDrawerOpen); return super.onPrepareOptionsMenu(menu); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.drawer, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { //6.需要在此处调用触发器处理下action bar上的item选择事件 if (drawerToggle.onOptionsItemSelected(item)) { return true; } switch (item.getItemId()) { case R.id.action_search: Intent intent = new Intent(Intent.ACTION_WEB_SEARCH); intent.putExtra(SearchManager.QUERY, getActionBar().getTitle()); if (intent.resolveActivity(getPackageManager()) != null) { startActivity(intent); } else { Toast.makeText(this, "没找到浏览器", Toast.LENGTH_LONG).show(); } break; } return super.onOptionsItemSelected(item); } public static class DrawerFragment extends Fragment { private static final String ARG_PLANET_ID = "planet_id"; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { ImageView view = (ImageView) inflater.inflate(R.layout.drawer_content, container, false); Resources res = getActivity().getResources(); int planetId = getArguments().getInt(ARG_PLANET_ID); int imageid = res.getIdentifier(res.getStringArray(R.array.planets_array)[planetId].toLowerCase(Locale.getDefault()), "drawable", getActivity().getPackageName()); view.setImageResource(imageid); return view; } } }
<!-- 1、使用android.support.v4.widget.DrawerLayout布局 --> <android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/drawerLayout" android:layout_width="match_parent" android:layout_height="match_parent"> <FrameLayout android:id="@+id/contentFrame" android:layout_width="match_parent" android:layout_height="match_parent"/> <!-- 2、左侧滑出的list,宽度需要固定下,不要满屏 --> <!-- 3、 android:layout_gravity="start"--> <!-- 4、 android:choiceMode="singleChoice"--> <ListView android:id="@+id/drawerList" android:layout_width="180dp" android:layout_height="match_parent" android:layout_gravity="start" android:background="#111" android:choiceMode="singleChoice"/> </android.support.v4.widget.DrawerLayout>