Android 学习之drawerlayout写侧滑菜单
2015-10-28 13:07
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Android 学习之Drawerlayout写侧滑菜单
我们经常利用SlidingMenu来实现侧滑菜单,谷歌推出的DrawerLayout也可以实现侧滑菜单,完全可以替代SlidingMenu,如下图所示都是用SlidingMenu开发的实例。1、项目结构
JAVA文件中首先是一个主界面的Activity-——MainActivity,然后是一个继承与Fragment的类——ContentFragment,
布局文件中,activity_main对应于主布局文件,fragment_content对应于Fragment的布局。
2、MainActivity.java
import java.util.ArrayList; import android.net.Uri; import android.os.Bundle; import android.R.anim; import android.app.Activity; import android.app.Fragment; import android.app.FragmentManager; import android.content.Intent; import android.content.res.Configuration; import android.support.v4.app.ActionBarDrawerToggle; import android.support.v4.widget.DrawerLayout; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; public class MainActivity extends Activity implements OnItemClickListener { private DrawerLayout mDrawerLayout; private ListView mDrawerList; private LinearLayout mlayout; private ArrayList<String> menuLists; private ArrayAdapter<String> adapter; private ActionBarDrawerToggle mDrawerToggle; private String mTitle; private ImageView imageView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mTitle = (String) getTitle(); imageView = (ImageView) findViewById(R.id.image); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); mDrawerList = (ListView) findViewById(R.id.left_drawer); mlayout = (LinearLayout) findViewById(R.id.mlayout); menuLists = new ArrayList<String>(); for (int i = 0; i < 5; i++) menuLists.add("菜单0" + i); adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, menuLists); mDrawerList.setAdapter(adapter); mDrawerList.setOnItemClickListener(this); mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.drawable.ic_drawer, R.string.drawer_open, R.string.drawer_close) { @Override public void onDrawerOpened(View drawerView) { super.onDrawerOpened(drawerView); getActionBar().setTitle("请选择"); invalidateOptionsMenu(); // Call onPrepareOptionsMenu() } @Override public void onDrawerClosed(View drawerView) { super.onDrawerClosed(drawerView); getActionBar().setTitle(mTitle); invalidateOptionsMenu(); } }; mDrawerLayout.setDrawerListener(mDrawerToggle); //开启ActionBar的App Icon功能 getActionBar().setDisplayHomeAsUpEnabled(true); getActionBar().setHomeButtonEnabled(true); } @Override public boolean onPrepareOptionsMenu(Menu menu) { boolean isDrawerOpen = mDrawerLayout.isDrawerOpen(mlayout); menu.findItem(R.id.action_websearch).setVisible(!isDrawerOpen); return super.onPrepareOptionsMenu(menu); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { //将ActionBar上的图标与Drawer结合起来 if (mDrawerToggle.onOptionsItemSelected(item)){ return true; } switch (item.getItemId()) { case R.id.action_websearch: Intent intent = new Intent(); intent.setAction("android.intent.action.VIEW"); Uri uri = Uri.parse("http://www.csdn.net"); intent.setData(uri); startActivity(intent); break; } return super.onOptionsItemSelected(item); } @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(savedInstanceState); //需要将ActionDrawerToggle与DrawerLayout的状态同步 //将ActionBarDrawerToggle中的drawer图标,设置为ActionBar中的Home-Button的Icon mDrawerToggle.syncState(); } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); mDrawerToggle.onConfigurationChanged(newConfig); } @Override public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) { // 在FrameLayout中动态插入一个Fragment Fragment contentFragment = new ContentFragment(); Bundle args = new Bundle(); args.putString("text", menuLists.get(position)); contentFragment.setArguments(args); FragmentManager fm = getFragmentManager(); fm.beginTransaction().replace(R.id.content_frame, contentFragment) .commit(); mDrawerLayout.closeDrawer(mlayout); } }
3、ContentFragment.java
import android.app.Fragment; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; public class ContentFragment extends Fragment { private TextView textView; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_content, container, false); textView = (TextView) view.findViewById(R.id.textView); String text = getArguments().getString("text"); textView.setText(text); return view; } }
4、activity_main.xml
<span style="font-weight: normal;"><android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<!-- The main content view -->
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</FrameLayout>
<!-- The navigation view -->
<LinearLayout
android:layout_width="240dp"
android:layout_gravity="start"
android:id="@+id/mlayout"
android:background="#333fff"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="240dp"
android:layout_height="200dp"
android:background="@drawable/bg"
android:layout_gravity="start">
<ImageView
android:id="@+id/image"
android:src="@drawable/tu"
android:layout_gravity="start"
android:layout_width="50dp"
android:layout_height="50dp" />
</LinearLayout>
<ListView
android:id="@+id/left_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="#ffffcc"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="0dp" >
</ListView>
</LinearLayout>
</android.support.v4.widget.DrawerLayout></span>
5、fragment_content.xml
<span style="font-weight: normal;"><?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/textView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="25sp" />
</LinearLayout></span>
6、menu(main.xml)
<span style="font-weight: normal;"><menu xmlns:android="http://schemas.android.com/apk/res/android" > <item android:id="@+id/action_websearch" android:icon="@drawable/action_search" android:showAsAction="ifRoom|withText" android:title="webSearch"/> </menu></span>
7、效果图
源码下载地址点此下载
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