【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