// Sync the toggle state after onRestoreInstanceState has occurred.
if (mDrawerToggle != null) {
mDrawerToggle.syncState();
- if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
+ if (isDrawerOpen()) {
getSupportActionBar().setTitle(R.string.app_name);
mDrawerToggle.setDrawerIndicatorEnabled(true);
}
}
}
+ @Override
+ public void onBackPressed() {
+ if (isDrawerOpen()) {
+ closeNavDrawer();
+ return;
+ }
+ super.onBackPressed();
+ }
+
+ public boolean isDrawerOpen() {
+ return mDrawerLayout.isDrawerOpen(GravityCompat.START);
+ }
+
+ public void closeNavDrawer() {
+ mDrawerLayout.closeDrawer(GravityCompat.START);
+ }
+
protected void initDrawer(){
// constant settings for action bar when navigation drawer is inited
getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);