Android Action Bar navigation up button not working on devices

Question

Action Bar up navigation button works fine in emulator but does not work in device can any one help me out

MainActivity

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);     
    setContentView(R.layout.mainpage);

    tf = Typeface.createFromAsset(getAssets(), "font/AGENCYB.TTF");

    Button btnWeatherDetails = (Button) findViewById(R.id.btnWeather);
    Button btnMovieDetails = (Button) findViewById(R.id.btnMovies);
    Button btnHoroscopeDetails = (Button) findViewById(R.id.btnHoroscope);

    btnWeatherDetails.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {               
            Intent i = new Intent(MainActivity.this, WeatherActivity.class);
            MainActivity.this.startActivity(i);
        }
    });


    btnMovieDetails.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View arg0) {

            Intent i = new Intent(MainActivity.this, MovieActivity.class);
            MainActivity.this.startActivity(i);             
        }
    });

    btnHoroscopeDetails.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View arg0) {

            Intent i = new Intent(MainActivity.this, HoroscopeActivity.class);
            MainActivity.this.startActivity(i);     
        }
    });

}

@Override
protected void onDestroy() {

    SharedPreferences settingsPreferences = getSharedPreferences(PREF_NAME, MODE_PRIVATE);
    SharedPreferences.Editor settingsEditor= settingsPreferences.edit();
    settingsEditor.putBoolean(MovieActivity.MOVIEUPDATED, false);
    settingsEditor.putBoolean(HoroscopeActivity.HOROSCOPEAVAILABLE, false);
    settingsEditor.commit();

    super.onDestroy();
}

WeatherActivity

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.scrollmain);
    getActionBar().setDisplayHomeAsUpEnabled(true);

    settingsPreferences = getSharedPreferences(MainActivity.PREF_NAME, MODE_PRIVATE);
    SavedString = settingsPreferences.getString(JSONWEATHERSTRING, "Not Found");

    new JSONParse().execute(WeatherUrl);

}

public boolean onCreateOptionMenu(Menu menu)
{
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
}


public boolean onOptionItemSelected(MenuItem item)
{
    switch(item.getItemId()){
    case android.R.id.home:
        NavUtils.navigateUpFromSameTask(this);
        return true;
    }
    return super.onOptionsItemSelected(item);
}

public void onBackPressed()
{
    moveTaskToBack(true);
    WeatherActivity.this.finish();
}

MovieActivity

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    settingsPreferences = getSharedPreferences(MainActivity.PREF_NAME, MODE_PRIVATE);

    MovieJsonString = settingsPreferences.getString(JSONMOVIESTRING, "Not Found");
    isMovieUpdated = settingsPreferences.getBoolean(MOVIEUPDATED, false);

    setContentView(R.layout.main_list_view);        
    getActionBar().setDisplayHomeAsUpEnabled(true);

    movieList = new ArrayList<HashMap<String, String>>();

    list = getListView();
    // Calling async task to get json
    if(!isMovieUpdated)
        new GetMovieDetails().execute();
    else
        GetMoviePreferences();

}

public boolean onCreateOptionMenu(Menu menu)
{
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
}


public boolean onOptionItemSelected(MenuItem item)
{
    switch(item.getItemId()){
    case android.R.id.home:
        NavUtils.navigateUpFromSameTask(this);
        return true;
    }
    return super.onOptionsItemSelected(item);
}

public void onBackPressed()
{
    moveTaskToBack(true);
    MovieActivity.this.finish();
}

HoroscopeActivity

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.horoscope);
    getActionBar().setDisplayHomeAsUpEnabled(true);

    settingsPreferences = getSharedPreferences(MainActivity.PREF_NAME, MODE_PRIVATE);

    isHoroAvailable = settingsPreferences.getBoolean(HOROSCOPEAVAILABLE,false);

    if(!isHoroAvailable)
        new XMLParse().execute();
    else
        GetHoroscopeFromPreference();
}

public boolean onCreateOptionMenu(Menu menu)
{
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
}


public boolean onOptionItemSelected(MenuItem item)
{
    switch(item.getItemId()){
    case android.R.id.home:
        NavUtils.navigateUpFromSameTask(this);
        return true;
    }
    return super.onOptionsItemSelected(item);
}

public void onBackPressed()
{
    moveTaskToBack(true);
    HoroscopeActivity.this.finish();
}

Manifest File

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="in.datumdata.weather"
    android:installLocation="auto"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="18" />

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_hosurdata"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="in.datumdata.hosurdata.MainActivity"
            android:label="@string/app_name"
            android:screenOrientation="portrait" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity
            android:name="in.datumdata.hosurdata.MovieActivity"
            android:label="Movie Details"
            android:parentActivityName="in.datumdata.hosurdata.MainActvity"
            android:screenOrientation="portrait" />
        <activity
            android:name="in.datumdata.hosurdata.WeatherActivity"
            android:label="Weather Details"
            android:parentActivityName="in.datumdata.hosurdata.MainActvity"
            android:screenOrientation="portrait" />
        <activity
            android:name="in.datumdata.hosurdata.SingleContactActivity"
            android:label="Movie Details"
            android:parentActivityName="in.datumdata.hosurdata.MovieActivity"
            android:screenOrientation="portrait" />
        <activity
            android:name="in.datumdata.hosurdata.HoroscopeActivity"
            android:label="Horoscope Details"
            android:parentActivityName="in.datumdata.hosurdata.MainActvity"
            android:screenOrientation="portrait" />
        <activity
            android:name="in.datumdata.hosurdata.SingleHoroscopeActivity"
            android:label="Horoscope Details"
            android:parentActivityName="in.datumdata.hosurdata.HoroscopeActivity"
            android:screenOrientation="portrait" />
    </application>

</manifest>

In all the above activities the navigation button works fine in emulator but on device it does not work and when i press the back button on the device the application goes invisible i mean to say its running in the background. This thing happens on all activities on whatever activity i press back button the same thing happens

help me out. thanks in advance and sorry for my bad english.

Answer 1

Where you do this:

getActionBar().setDisplayHomeAsUpEnabled(true);

Try doing this:

getSupportActionBar().setDisplayHomeAsUpEnabled(true);