Android   发布时间:2022-04-28  发布网站:大佬教程  code.js-code.com
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我有一个导航抽屉,我想添加图标.但我不知道如何实现它.有什么办法可以自定义导航抽屉里面的列表吗?并使用菜单而不是数组导航抽屉内的项目.提前致谢 :)

继承我的代码

public class MainActivity extends ActionBarActivity {

private ListView mDrawerList;
private DrawerLayout mDrawerLayout;
private ArrayAdapter<String> mAdapter;
private ActionBarDrawerToggle mDrawerToggle;
private String mActivitytitle;

@Override
protected void onCreate(Bundle savedInstanceStatE) {
    super.onCreate(savedInstanceStatE);
    setContentView(R.layout.activity_main);

    mDrawerList = (ListView)findViewById(R.id.navList);
    mDrawerLayout = (DrawerLayout)findViewById(R.id.drawer_layout);
    mActivitytitle = gettitle().toString();

    addDrawerItems();
    setupDrawer();
    FragmentManager fragmentManager = getSupportFragmentManager();
    fragmentManager.begintransaction().replace(R.id.flContent,new One()).commit();
    getSupportActionBar().setDisplayHomeAsUpEnabled@R_262_6334@;
    getSupportActionBar().setHomeButtonEnabled@R_262_6334@;
     }

    private void addDrawerItems() {
    String[] osArray = { "Android","iOS","Windows","OS X","Linux" };
    mAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,osArray);
    mDrawerList.setAdapter(mAdapter);

    mDrawerList.setOnItemClickListener(new AdapterView.onItemClickListener() {
        Fragment fragment = null;

        Class fragmentClass;
        @Override
        public void onItemClick(AdapterView<?> parent,View view,int position,long id) {
            switch (position) {
                case 1:
                    fragmentClass = One.class;
                    break;
                case 2:
                    fragmentClass = Two.class;
                    break;
                default:
                    break;
            }
            try {
                fragment = (Fragment) fragmentClass.newInstance();
            } catch (Exception E) {
                e.printStackTrace();
            }

            // Insert the fragment by replacing any exisTing fragment

            FragmentManager fragmentManager=getSupportFragmentManager();
            fragmentManager.begintransaction().replace(R.id.flContent,fragment).commit();
            // Highlight the SELEcted item,update the title,and close the drawer
           mDrawerLayout.closeDrawers();
        }
    });


         }

      private void setupDrawer() {
      mDrawerToggle = new ActionBarDrawerToggle(this,mDrawerLayout,R.String.drawer_open,R.String.drawer_closE) {

        /** Called when a drawer has settled in a completely open state. */
        public void onDrawerOpened(View drawerView) {
            super.onDrawerOpened(drawerView);
            getSupportActionBar().settitle("Navigation!");
            invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
        }

        /** Called when a drawer has settled in a completely closed state. */
        public void onDrawerClosed(View view) {
            super.onDrawerClosed(view);
            getSupportActionBar().settitle(mActivitytitlE);
            invalidateOptionsMenu(); 
     // creates call to onPrepareOptionsMenu()
        }
    };

    mDrawerToggle.setDrawerInDicatorEnabled@R_262_6334@;
    mDrawerLayout.setDrawerListener(mDrawerTogglE);
}

@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 onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.menu_main,menu);
    return true;
}

@Override
public Boolean onOptionsItemSELEcted(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button,so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();

    //noinspection SimplifiableIfStatement
    if (id == R.id.action_setTings) {
        return true;
    }

    // Activate the navigation drawer toggle
    if (mDrawerToggle.onOptionsItemSELEcted(item)) {
        return true;
    }

    return super.onOptionsItemSELEcted(item);
}
 }

解决方法

你的导航抽屉xml文件里面添加菜单文件app:menu =“@ menu / activity_main_drawer”

<android.support.design.widget.NavigationView
            android:id="@+id/nav_view"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:fitsSystemWindows="true"
            app:menu="@menu/activity_main_drawer">
        </android.support.design.widget.NavigationView>

在activity_main_drawer菜单文件中,用他们的名字定义你的图标

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://scheR_934_11845@as.android.com/apk/res/android">
    <group android:checkableBehavior="single">
        <item android:id="@+id/nav_camara" android:icon="@android:drawable/ic_menu_camera"
            android@R_788_6964@="Camera" />
        <item android:id="@+id/nav_gallery" android:icon="@android:drawable/ic_menu_gallery"
            android@R_788_6964@="Gallery" />
        <item android:id="@+id/nav_manage" android:icon="@android:drawable/ic_menu_manage"
            android@R_788_6964@="Manage" />
    </group>

在MainActivity.java中调用每个项目的操作单击抽屉菜单

@Override
    public Boolean onNavigationItemSELEcted(MenuItem menuItem) {
        // Handle navigation view item clicks here.
        int id = menuItem.getItemId();

        if (id == R.id.nav_camara) {
                      // Call your Action
        } else if (id == R.id.nav_gallery) {
                      // Call your Action
        } else if (id == R.id.nav_managE) {
                       // Call your Action
           }
                }
@H_801_31@

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