【问题标题】:I have problems ActionBarDrawerToggle我有问题 ActionBarDrawerToggle
【发布时间】:2015-01-13 12:46:36
【问题描述】:

最近我在我的应用程序中使用了这个功能。 但是,使用 ActionBarDrawerToggle 一个新的应用程序,我在那个函数中出现了未使用的错误。 所以我实现了 import android.support.v7.app.ActionBarDrawerToggle;但现在代码对我不起作用。

public class MainActivity extends ActionBarActivity {
private ListView drawerList;
private String[] drawerOptions;
private DrawerLayout drawerLayout;
private ActionBarDrawerToggle drawerToggle;
private Fragment[] fragments = new Fragment[]{
                                               new MainFragment(),
                                               new AcordesFragment(),
                                               new AfinadorFragment(),
                                               new AboutFragment(),
                                               new ExitFragment(),
};

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

    drawerList = (ListView) findViewById(R.id.leftDrawer);
    drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout);
    drawerOptions = getResources().getStringArray(R.array.drawer_options);

    drawerList.setAdapter(new ArrayAdapter<String> (this,
                                                    R.layout.drawer_list_item,
                                                    drawerOptions));

    drawerList.setItemChecked(0, true);
    drawerList.setOnItemClickListener(new DrawerItemClickListener());

    drawerToggle = new ActionBarDrawerToggle(this,
                                            drawerLayout,
                                            R.drawable.ic_drawer,
                                            R.string.drawer_open,
                                            R.string.drawer_close){
                                                                    public void onDrawerClosed(View view){
                                                                        ActivityCompat.invalidateOptionsMenu(MainActivity.this);
                                                                    }
                                                                    public void onDrawerOpened(View drawerView){
                                                                        ActivityCompat.invalidateOptionsMenu(MainActivity.this);
                                                                    }
                                             };

    drawerLayout.setDrawerListener(drawerToggle);

    FragmentManager manager = getSupportFragmentManager();
    manager.beginTransaction()
            .add(R.id.contentFrame, fragments[0])
            .add(R.id.contentFrame, fragments[1])
            .add(R.id.contentFrame, fragments[2])
            .add(R.id.contentFrame, fragments[3])
            .add(R.id.contentFrame, fragments[4])
            .hide(fragments[1])
            .hide(fragments[2])
            .hide(fragments[3])
            .hide(fragments[4])
            .commit();

    ActionBar actionbar = getSupportActionBar();
    actionbar.setDisplayHomeAsUpEnabled(true);
    actionbar.setHomeButtonEnabled(true);

    if( getIntent().getBooleanExtra("Exit me", false)){
        finish();
        return; // add this to prevent from doing unnecessary stuffs
    }

}

错误在以下代码中:

    drawerList.setOnItemClickListener(new DrawerItemClickListener());

    drawerToggle = new ActionBarDrawerToggle(this,
                                            drawerLayout,
                                            R.drawable.ic_drawer,
                                            R.string.drawer_open,
                                            R.string.drawer_close){
                                                                    public void onDrawerClosed(View view){
                                                                        ActivityCompat.invalidateOptionsMenu(MainActivity.this);
                                                                    }
                                                                    public void onDrawerOpened(View drawerView){
                                                                        ActivityCompat.invalidateOptionsMenu(MainActivity.this);
                                                                    }
                                             };

肯定是在使用ActionBarDrawerToggle的时候改了语法却找不到。

非常感谢您所做的一切

【问题讨论】:

  • 错误是什么?使用确切的行号发布 logcat。
  • @Natlum 请参考我的回答:stackoverflow.com/questions/27581764/…
  • @hata 非常感谢您提供的信息。我能够解决两个错误之一。但是连我的一个bug都上线了:drawerList.setOnItemClickListener(new DrawerItemClickListener());错误信息是:无法解析符号 DrawerItemClickListener
  • @Natlum 然后你必须在任何地方实现 DrawerItemClickListener() 。我简单地找到了例如:stackoverflow.com/a/20572709/3501958.

标签: android android-actionbar android-actionbar-compat drawertoggle


【解决方案1】:

非常感谢您所做的一切。 该错误已得到解决。 非常感谢@hata 和@Spring Breaker

这是更正的代码,以便其他人可以看到它

public class MainActivity extends ActionBarActivity {
private ListView drawerList;
private String[] drawerOptions;
private DrawerLayout drawerLayout;
private ActionBarDrawerToggle drawerToggle;
private Fragment[] fragments = new Fragment[]{
                                               new MainFragment(),
                                               new AcordesFragment(),
                                               new AfinadorFragment(),
                                               new AboutFragment(),
                                               new ExitFragment(),
};


private class DrawerItemClickListener implements ListView.OnItemClickListener {

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

    }
};

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

    drawerList = (ListView) findViewById(R.id.leftDrawer);
    drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout);
    drawerOptions = getResources().getStringArray(R.array.drawer_options);

    drawerList.setAdapter(new ArrayAdapter<String> (this,
                                                    R.layout.drawer_list_item,
                                                    drawerOptions));

    drawerList.setItemChecked(0, true);

    drawerList.setOnItemClickListener(new DrawerItemClickListener());

    drawerToggle = new ActionBarDrawerToggle(this,
                                            drawerLayout,
                                            //R.drawable.ic_drawer,
                                            R.string.drawer_open,
                                            R.string.drawer_close){
                                                                    public void onDrawerClosed(View view){
                                                                        ActivityCompat.invalidateOptionsMenu(MainActivity.this);
                                                                    }
                                                                    public void onDrawerOpened(View drawerView){
                                                                        ActivityCompat.invalidateOptionsMenu(MainActivity.this);
                                                                    }
                                             };

    drawerLayout.setDrawerListener(drawerToggle);

【讨论】:

    猜你喜欢
    • 2015-01-05
    • 1970-01-01
    • 1970-01-01
    • 1970-01-01
    • 1970-01-01
    • 1970-01-01
    • 1970-01-01
    • 1970-01-01
    • 1970-01-01
    相关资源
    最近更新 更多