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在我的片段活動使用webview.when我點擊webview上的超鏈接其重定向到指定的網址它罰款。但問題是當我點擊回它被重定向到主頁片段,而不是前頁面頁面。任何人都可以幫助我如何重定向到webview上的上一頁。下面是我在mainactivity中的代碼,我正在處理片段onback新聞事件。如何在android中的片段的webview中處理onback
private void selectItem(int position) {
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
// Locate Position
Fragment fragment = null;
switch (position) {
case 0:
//ft.replace(R.id.content_frame, frag,"home");
fragment=new Fagmentmain();
/*startActivity(new Intent(MainActivity.this,Category.class));*/
break;
case 1:
//ft.replace(R.id.content_frame, webfrag,"web");
fragment=new WebFragment();
/*Intent intent=new Intent(MainActivity.this,News.class);
intent.putExtra("pos",0);
startActivity(intent);*/
//startActivity(new Intent(MainActivity.this,News.class));
break;
case 2:
//ft.replace(R.id.content_frame, aboutfrag,"about");
Intent intent1=new Intent(MainActivity.this,News.class);
intent1.putExtra("pos",1);
startActivity(intent1);
break;
case 3:
Intent intent2=new Intent(MainActivity.this,News.class);
intent2.putExtra("pos",2);
startActivity(intent2);
break;
}
/*ft.commit();
mDrawerList.setItemChecked(position, true);
setTitle(title[position]);
mDrawerLayout.closeDrawer(mDrawerList);*/
if(fragment != null){
FragmentManager fragmanager=getSupportFragmentManager();
fragmanager.beginTransaction().replace(R.id.content_frame,fragment).addToBackStack("").commit();
mDrawerList.setItemChecked(position, true);
setTitle(title[position]);
mDrawerLayout.closeDrawer(mDrawerList);
}
}
@Override
public void onBackPressed() {
super.onBackPressed();
FragmentManager fm = getSupportFragmentManager();
//FragmentTab1 frag=(FragmentTab1)getSupportFragmentManager().findFragmentById(arg0)
if (fm.getBackStackEntryCount() > 0) {
Log.e("back stack entry", fm.getBackStackEntryCount() + "");
fm.popBackStack();
}
}