徽标旁边的小图标(指示器或 3 行)不会变小。
--> this image is not animating, When I click the apps' logo the drawer is opened but the image is not animated into a more smaller image which is an indicator that the drawer is currently opened.
gABar.get().setDisplayHomeAsUpEnabled(true);
mDrawerToggle = new ActionBarDrawerToggle(
getActivity(), /* host Activity */
mDrawerLayout.get(), /* DrawerLayout object */
R.drawable.ic_drawer2, /* nav drawer image to replace 'Up' caret */
R.string.drawer_open, /* "open drawer" description for accessibility */
R.string.drawer_close /* "close drawer" description for accessibility */
) {
@Override
public void onDrawerClosed(View view) {
getActivity().getActionBar().setTitle(mTitle);
getActivity().invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
Log.d("onDrawerClosed", "inside");
}
@Override
public void onDrawerOpened(View drawerView) {
getActivity().getActionBar().setTitle(mDrawerTitle);
getActivity().invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
};
@Override
public boolean onOptionsItemSelected(MenuItem item)
{
int id = item.getItemId();
Log.d("item ID : ", "onOptionsItemSelected Item ID" + id);
if (id == android.R.id.home) {
return true;
} else {
return super.onOptionsItemSelected(item);
}
}
请确保将此行放入声明 ActionBarDrawerToggle 的代码中:
mDrawerLayout.setDrawerListener(mDrawerToggle);
正如您在此示例中所看到的:
public class MyActivity extends ActionBarActivity {
private DrawerLayout mDrawerLayout;
private ListView mDrawerList;
private ActionBarDrawerToggle mDrawerToggle;
private String[] menuitems;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_main);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.left_drawer);
menuitems = getResources().getStringArray(R.array.optionsname);
MyDrawerAdapter draweradapter = new MyDrawerAdapter(getApplicationContext(), menuitems);
mDrawerList.setAdapter(draweradapter);
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.drawable.ic_navigation_drawer, R.string.drawer_open, R.string.drawer_close) {
public void onDrawerClosed(View view) {
invalidateOptionsMenu();
}
public void onDrawerOpened(View drawerView) {
invalidateOptionsMenu();
}
@Override
public void onDrawerSlide(View drawerView, float slideOffset) {
super.onDrawerSlide(drawerView, slideOffset);
mDrawerLayout.bringToFront();
mDrawerLayout.bringChildToFront(drawerView);
mDrawerLayout.requestLayout();
mDrawerLayout.invalidate();
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setDisplayShowTitleEnabled(false);
getSupportActionBar().setHomeButtonEnabled(true);
getSupportActionBar().setIcon(new ColorDrawable(0x00000000));
getSupportActionBar().setBackgroundDrawable(new ColorDrawable(0xffffffff));
}
}
如果您忘记将抽屉侦听器添加到抽屉布局中,它不会为您的抽屉图标设置动画。
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