PreferenceFragment overlaps toolbar

Question

Come titolo, il mio PreferenceFragment si sovrappone alla barra degli strumenti. Ho già provato diverse soluzioni ma il problema persiste. Speranze in ogni aiuto Ecco il mio codice.

attività:

import android.os.Bundle; 
import android.support.v7.app.AppCompatActivity; 
import android.support.v7.widget.Toolbar; 

public class MyActivity extends AppCompatActivity { 

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

     Toolbar toolbar = (Toolbar) findViewById(R.id.app_bar); 
     setSupportActionBar(toolbar); 

     // Display the fragment as the main content 
     getFragmentManager().beginTransaction().replace(android.R.id.content, new SettingsFragment()).commit(); 
    } 
} 

attività XML (activity_settings.xml):

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
xmlns:tools="http://schemas.android.com/tools" 
android:layout_width="match_parent" 
android:layout_height="match_parent" 
tools:context="com.mypackage.MyActivity"> 

    <include 
     layout="@layout/app_bar" /> 

    <FrameLayout 
     android:id="@+id/pref_content" 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" 
     android:layout_below="@id/app_bar"/> 

</RelativeLayout> 

Fragment (SettingsFragment.java):

import android.preference.PreferenceFragment; 
import android.os.Bundle; 

public class SettingsFragment extends PreferenceFragment { 

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

     // Load the preferences from an XML resource 
     addPreferencesFromResource(R.xml.pref_settings); 
    } 

} 

frammento XML (pref_settings.xml):

<?xml version="1.0" encoding="utf-8"?> 

<PreferenceScreen 
xmlns:android="http://schemas.android.com/apk/res/android"> 

    <CheckBoxPreference 
     android:key="pref_checkbox" 
     android:title="Title" 
     android:summary="Summary" 
     android:defaultValue="false"/> 

</PreferenceScreen> 

barra (app_bar.xml):

<?xml version="1.0" encoding="utf-8"?> 

<android.support.v7.widget.Toolbar xmlns:android="http://schemas.android.com/apk/res/android" 
xmlns:app="http://schemas.android.com/apk/res-auto" 
android:layout_width="match_parent" 
android:layout_height="wrap_content" 
android:id="@+id/app_bar" 
android:background="@color/primaryColor" 
android:elevation="3dp" 
app:theme="@style/ThemeOverlay.AppCompat.Dark" /> 

Answer 1

cambiamento questo:

getFragmentManager().beginTransaction().replace(android.R.id.content, new SettingsFragment()).commit(); 

a:

getFragmentManager().beginTransaction().replace(R.id.pref_content, new SettingsFragment()).commit(); 

Answer 2

fine ho risolto il problema anche sostituendo in questo Activity XML:

<include 
    layout="@layout/app_bar" /> 

con una nuova barra degli strumenti:

<android.support.v7.widget.Toolbar 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:id="@+id/app_bar_settings" 
    android:background="@color/primaryColor" 
    android:elevation="3dp" 
    android:theme="@style/ThemeOverlay.AppCompat.Dark" /> 

Answer 3

Ho anche affrontato simile tipo di problema. E l'ho risolto aggiungendo il padding alla vista nel metodo onCreateView(). Questo article mi ha anche aiutato a risolvere il mio problema.

@Override 
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 
    View view = super.onCreateView(inflater, container, savedInstanceState); 
    // calculate margins 
    int horizontalMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 2, getResources().getDisplayMetrics()); 
    int verticalMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 2, getResources().getDisplayMetrics()); 
    int topMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, (int) getResources().getDimension(R.dimen.activity_vertical_margin) + 30, getResources().getDisplayMetrics()); 

    view.setPadding(horizontalMargin, topMargin, horizontalMargin, verticalMargin); 
    return view; 
}