java Android：多活动导航抽屉

Question

我试图通过创建一个DrawerActivity来实现多个活动上的导航抽屉，我的所有其他活动都从该抽屉继承

我使用了以下两个链接来找到我的位置：

https://developer.安卓.com/training/implementing-navigation/nav-drawer.html

sliding drawer appear in all activities

我可以看到导航抽屉（抓取手柄），但是我无法通过单击操作栏中的标题打开它，也无法看到抽屉中的任何项目。然而，我可以通过滑动打开它

实用性。爪哇

public class DrawerActivity extends Activity {

    private DrawerLayout mDrawerLayout;
    private ListView mDrawerList;
    private ActionBarDrawerToggle mDrawerToggle;
    private String[] navOptions = new String[] {"Collect Offers", 
        "Exclusive", "Glove Box", "Servicing", "Dealer", "Settings"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_drawer);

        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        mDrawerList = (ListView) findViewById(R.id.nav_drawer);

        mDrawerList.setAdapter(new ArrayAdapter<String>(
            this, R.layout.drawer_list_item, navOptions));

        mDrawerToggle = new ActionBarDrawerToggle(
                this,
                mDrawerLayout,
                R.drawable.ic_drawer,
                R.string.drawer_open,
                R.string.drawer_close
        ) {

            public void onDrawerClosed(View view) {
                super.onDrawerClosed(view);
                getActionBar().setTitle(R.string.app_name);
            }

            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                getActionBar().setTitle(R.string.app_name);
            }
        };

        mDrawerLayout.setDrawerListener(mDrawerToggle);

        getActionBar().setDisplayHomeAsUpEnabled(true);
        getActionBar().setHomeButtonEnabled(true);

    }

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        mDrawerToggle.syncState();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        mDrawerToggle.onConfigurationChanged(newConfig);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (mDrawerToggle.onOptionsItemSelected(item)) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @Override
    public void setContentView(final int layoutResID) {
        DrawerLayout fullLayout = (DrawerLayout) getLayoutInflater()
            .inflate(R.layout.activity_drawer, null);
        LinearLayout actContent = (LinearLayout) fullLayout
            .findViewById(R.id.content);
        getLayoutInflater().inflate(layoutResID, actContent, true);
        super.setContentView(fullLayout);
    }
}

活动抽屉。xml

<?xml version="1.0" encoding="utf-8"?>
<安卓.support.v4.widget.DrawerLayout
    xmlns:安卓="http://schemas.安卓.com/apk/res/安卓"
    安卓:id="@+id/drawer_layout"
    安卓:layout_width="match_parent"
    安卓:layout_height="match_parent">

    <LinearLayout xmlns:安卓="http://schemas.安卓.com/apk/res/安卓"
        安卓:id="@+id/content"
        安卓:orientation="vertical"
        安卓:layout_width="match_parent"
        安卓:layout_height="match_parent"
        安卓:background="@drawable/infiniti_splash_2x">
    </LinearLayout>

    <ListView 安卓:id="@+id/nav_drawer"
        安卓:layout_width="@dimen/nav_drawer_width"
        安卓:layout_height="match_parent"
        安卓:layout_gravity="start"
        安卓:choiceMode="singleChoice"
        安卓:divider="@安卓:color/transparent"
        安卓:dividerHeight="0dp"
        安卓:background="#111"/>

</安卓.support.v4.widget.DrawerLayout>

家庭活动。爪哇

public class HomeActivity extends DrawerActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_home);
    }

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        return super.onOptionsItemSelected(item);
    }
}

你回家了。xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:安卓="http://schemas.安卓.com/apk/res/安卓"
    安卓:orientation="vertical"
    安卓:layout_width="match_parent"
    安卓:layout_height="match_parent">
</LinearLayout>

Answer 1

解决了我的问题。问题在于，通过重写setContentView，它在ActionBarDrawerToggle已设置之后第二次被调用（从HomeActivity OnCreate（））。这意味着我基本上覆盖了DrawerActivity OnCreate（）中完成的所有工作

这是我在抽屉里修改过的代码

public class DrawerActivity extends Activity {

    protected ActionBarDrawerToggle mDrawerToggle;
    private String[] navOptions = new String[] {"Collect Offers", "Exclusive", "Glove Box",
            "Servicing", "Dealer", "Settings"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.activity_drawer); NO LONGER REQUIRED



    }

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        mDrawerToggle.syncState();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        mDrawerToggle.onConfigurationChanged(newConfig);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (mDrawerToggle.onOptionsItemSelected(item)) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @Override
    public void setContentView(final int layoutResID) {
        DrawerLayout fullLayout= (DrawerLayout) getLayoutInflater()
                .inflate(R.layout.activity_drawer, null);
        LinearLayout actContent= (LinearLayout) fullLayout.findViewById(R.id.content);

        DrawerLayout mDrawerLayout = (DrawerLayout) fullLayout.findViewById(R.id.drawer_layout);
        ListView mDrawerList = (ListView) fullLayout.findViewById(R.id.nav_drawer);

        mDrawerList.setAdapter(new ArrayAdapter<String>(this, R.layout.drawer_list_item, navOptions));

        mDrawerToggle = new ActionBarDrawerToggle(
                this,
                mDrawerLayout,
                R.drawable.ic_drawer,
                R.string.drawer_open,
                R.string.drawer_close
        ) {

            public void onDrawerClosed(View view) {
                super.onDrawerClosed(view);
                getActionBar().setTitle(R.string.app_name);
            }

            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                getActionBar().setTitle(R.string.app_name);
            }
        };

        mDrawerLayout.setDrawerListener(mDrawerToggle);

        getActionBar().setDisplayHomeAsUpEnabled(true);
        getActionBar().setHomeButtonEnabled(true);

        getLayoutInflater().inflate(layoutResID, actContent, true);
        super.setContentView(fullLayout);
    }
}