I have a DialogFragment that is styled to full screen using setStyle(STYLE_NORMAL, R.style.Theme_App).
The DialogFragment shows fine but the up action (the homeAsUp action on the ActionBar) does not work. I tried implementing onOptionsItemSelected in the DialogFragment but it is never called.
Is there a way to get the up action callback in the DialogFragment so I can dismiss it ? For reference, I'm using ActionBarCompat.
This wasn't possible but there is a workaround for this using aToolbar. Now you can include Toolbar as part of your DialogFragment layout xml and can set its design/icon according to your needs. You will also need to implement setNavigationOnClickListener if you want the back button to behave like it does normally. See the sample class below.
package com.package.name;
import android.app.Dialog;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.DialogFragment;
import android.support.v7.widget.Toolbar;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
public class MyDialogFragment extends DialogFragment {
private View parentView;
private Toolbar toolbar;
#NonNull
#Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
setStyle(DialogFragment.STYLE_NO_FRAME, R.style.Theme_AppCompat_NoActionBar);
return super.onCreateDialog(savedInstanceState);
}
#Nullable
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
//The layout xml file contains the toolbar
parentView = inflater.inflate(R.layout.dialogfragment_createpost, container, false);
initView();
initData();
return parentView;
}
private void initView() {
toolbar = (Toolbar) parentView.findViewById(R.id.toolbar);
}
private void initData() {
toolbar.setTitle("Post");
//Set naviagtion icon to back button drawable
toolbar.setNavigationIcon(R.drawable.abc_ic_ab_back_mtrl_am_alpha);
toolbar.setNavigationOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
// handle back button naviagtion
dismiss();
}
});
}
}
There is no way to attach an ActionBar to the DialogFragment even though you can set the theme of the DialogFragment it will not register as a ActionBar to it, Dialog.getActionBar() will always return null.
Instead of getting the ActionBar you can always attach a Layout that will look like an ActionBar and set the functionality on it using menu.
The other way is to create an activity with actionBar as a Dialog you can refer to this post
In order for the DialogFragment to receive calls to onOptionsItemSelected(MenuItem item) you need the set setHasOptionsMenu(true); in the onCreate() method of the Fragment.
Another potential solution is to handle the up action in the activities onOptionsItemSelected(MenuItem item) callback. Something like this:
#Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// Respond to the action bar's Up/Home button
onBackPressed();
return true;
}
}
Just delegate the up action from the component, that receives it (i.e. the parent Activity or Fragment), to your DialigFragment. When up occurs, check if your DialogFragment is shown and if so, call the apropriate method.
Check out here for detailed description.
I solved these problem by adding the below coding.
#Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
onBackPressed();
return true;
}
return super.onOptionsItemSelected(item);
}
In MainActivity:
Previously,
public class MainActivity extends BaseActivity
Then I change into
public class MainActivity extends FragmentActivity
Most probably you need to extend an MainActivity to FragmentActivity.
The following code worked for me:
#Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
// Respond to the action bar's Up/Home button
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}
Hope this helps :)
define toolbar in layout and call it on your dialog fragment
Toolbar toolbar=dialog.findViewById(R.id.toolbar);
toolbar.setNavigationIcon(R.drawable.ic_arrow_back_black_24dp);
toolbar.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
dialog.dismiss();
}
});
Related
I am trying to hide the ActionBar in my Activity. I have an Activity with a Fragment, which looks like this:
import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.os.Build;
public class IntroActivity extends Activity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.intro_activity);
if (savedInstanceState == null) {
getFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment())
.commit();
ActionBar actionBar = getSupportActionBar();<---- Error here
actionBar.hide();
}
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_intro, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment {
public PlaceholderFragment() {
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.intro_page_1, container, false);
return rootView;
}
}
}
The error I get is Cannot resolve method getActionBarActivity method. I have tried extending ActionBarActivity, but when I do, I get onCreate errors, and several others.
How can I hide the action bar?
It does not look like you are using the support library? If that is the case you should call getActionBar() not getSupportActionBar()
From your imports, it looks like you're not using support library. So you should use getActionBar() instead of getSupportActionBar().
use this code
ActionBar bar = getActionBar();
bar.hide();
This will solve your problem
I'm using Studio 0.8.9
I have an android-sdks\extras\android\support\v4\android-support-v4.jar
but I still run into the import issue.
I'm using NavUtils.navigateupfromsametask method.
what I'm trying to achieve is simply to use the back button to get to my previous activity.
is it the right way of doing?
when I'm using my email app (for ex yahoo) I'm using the back button to get back to my inbox when I'm viewing an email.
how do they do it? using activities and the back button?
I'm using the standard code:
package com.example.bernard.test;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import java.util.NavigableMap;
import android.support.v4.app.NavUtils;
public class Statistic extends Activity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_statistic);
getActionBar().setDisplayHomeAsUpEnabled(true);
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.statistic, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
switch (id)
{
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
onBackPressed();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
#Override
public void onBackPressed(){
super.onBackPressed();
}
}
My intent is to get text from an EditText and view it in a Toast message. The code is this:
package com.example.primaapplicazione;
import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.os.Build;
public class MainActivity extends Activity
{
#Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (savedInstanceState == null)
{
getFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment()).commit();
}
}
public void fromEditToToast()
{
EditText e = (EditText)findViewById(R.id.editText1);
Button b = (Button)findViewById(R.id.button1);
b.setOnClickListener(new View.OnClickListener()
{
#Override
public void onClick(View v)
{
}
});
}
#Override
public boolean onCreateOptionsMenu(Menu menu)
{
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item)
{
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings)
{
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment
{
public PlaceholderFragment()
{
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState)
{
View rootView = inflater.inflate(R.layout.fragment_main, container,
false);
return rootView;
}
}
}
If I call the method "fromEditToToast()" in onCreate() without the "setOnClickListener()", it compiles properly and the app opens. If I call the same method with that function on the emulator app doesn't open, showing this message "Unfortunately, PrimaApplicazione has stopped.
What should I have to do?
I have seen this is a very common error, The PlaceholderFragment uses the fragment_main.xml that must contain the elements editText1 and button1, probably you have that elements defined in your activity_main.xml
It may be that views are not being instantiated while the activity has started. Device works faster than emulator so it might work in a device while not in emulator.
Implement your onClickListener directly in fragment and show the toast from there, it will work (assuming EditText and Button lies in fragment).
Try following code in your fragment and call the following function in your fragment's onViewCreated function to set the button's listener : -
private void set buttonOnClickListener()
{
EditText e = (EditText)getView().findViewById(R.id.editText1);
Button b = (Button)getView().findViewById(R.id.button1);
b.setOnClickListener(new View.OnClickListener()
{
#Override
public void onClick(View v)
{
//your code goes here;
}
});
}
I looked already a lot for a solution for my problem and found similar items - but unfortunately I could not get round with that all to solve my problem. Here is what messes me up:
My small project is with a button and an onClickListener on it.
package com.example.wbbtn;
import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
public class MainActivity extends Activity {
Button wb1;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (savedInstanceState == null) {
getFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment()).commit();
}
wb1 = (Button) findViewById(R.id.b1);
wb1.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
// TODO Auto-generated method stub
}
});
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment {
public PlaceholderFragment() {
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main, container,
false);
return rootView;
}
}
}
I put a breakpoint at wb1 = (Button) findViewById(R.id.b1);
When I start the debugging with my tablet already set to the debugging mode and connected to the PC and hit the F6 key I get the message that a source is not found.
I've made a screen shot to make things a bit more clear but I was told to have at least 10 reputations to post a pic. Okay - sorry !
Hello - sorry for this late response. Okay here are the links to the screen shots - hope it works:
a) source not found
b) Break point
I am using actionbar compat in my application first time. I want to add another activity to the application. When i press a SETTINGS from actionbar, i like to start the second activity.
How is possible ?
codes for my application as follows
MainActivity.java
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
public class MainActivity extends ActionBarActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
super.onOptionsItemSelected(item);
switch(item.getItemId()){
case R.id.action_settings:
Toast.makeText(getBaseContext(), "You selected Settings", Toast.LENGTH_SHORT).show();
startActivity( new Intent().setClass(this, SecondActivity.class));
break;
}
return true;
}
}
mainactivity image
Secondactivity.java
package com.example.test;
import android.app.Activity;
import android.os.Bundle;
public class SecondActivity extends Activity {
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.secondactivity);
// TODO Auto-generated method stub
}
}
secondactivity image
thanks in advance
Just use a
Intent intent = new Intent(this, YourActivityToStart.class);
startActivity(intent);
on the position where you pop up a Toast.
Using 'app' instead of 'android' namespace prefix for 'actionLayout' attribute fixed it for me.
So, basically, use
app:actionLayout="#layout/yourLayout"
instead of
android:actionLayout="#layout/yourLayout"
I am assuming you are using app_compat library to get the theming engine.