PrefereceActivity SubActivity with Back Button (arrow)

PreferenceActivity1.java

public class PreferenceActivity1 extends android.preference.PreferenceActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.pref1);

}

@Override
protected void onPostCreate(Bundle savedInstanceState) {
    super.onPostCreate(savedInstanceState);

    LinearLayout root = (LinearLayout)findViewById(android.R.id.list).getParent().getParent().getParent();
    Toolbar bar = (Toolbar) LayoutInflater.from(this).inflate(R.layout.settings_toolbar, root, false);
    root.addView(bar, 0); // insert at top
    bar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            finish();
        }
    });
}
}

PreferenceActivity2.java

public class PreferenceActivity2 extends android.preference.PreferenceActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.pref2);
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
    super.onPostCreate(savedInstanceState);

    LinearLayout root = (LinearLayout)findViewById(android.R.id.list).getParent().getParent().getParent();
    Toolbar bar = (Toolbar) LayoutInflater.from(this).inflate(R.layout.settings_toolbar, root, false);
    root.addView(bar, 0); // insert at top
    bar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            finish();
        }
    });
}
}

settings_toolbar.xml(layout)

<?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:id="@+id/toolbar"
app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:minHeight="?attr/actionBarSize"
app:navigationContentDescription="@string/abc_action_bar_up_description"
android:background="?attr/colorPrimary"
app:navigationIcon="?attr/homeAsUpIndicator"
app:title="@string/app_name"
/>

pref1.xml(xml)

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
android:theme="@android:style/Theme.Light" >

<PreferenceCategory android:title="Main Preferences" >
    <CheckBoxPreference
        android:key="wifi enabled"
        android:title="WiFi" />
</PreferenceCategory>

<PreferenceScreen
    android:key="key1"
    android:summary=""
    android:title="Wifi Settings" >
    <intent
        android:action="android.intent.action.VIEW"
        android:targetClass="com.example.PreferenceActivity2"
        android:targetPackage="com.example" />
</PreferenceScreen>

</PreferenceScreen>

pref2.xml(xml)

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
android:theme="@android:style/Theme.Light" >

<PreferenceCategory android:title="Wifi Settings" >
    <CheckBoxPreference
        android:key="prefer wifi"
        android:title="Prefer WiFi" />
</PreferenceCategory>

</PreferenceScreen>

Manifest

<application
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name" >
    <activity
        android:name="com.example.PreferenceActivity1"
        android:label="@string/app_name" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
    <activity
        android:name="com.example.PreferenceActivity2"
        android:label="@string/app_name" >
        <intent-filter>
            <action android:name="android.intent.action.VIEW" />
            <category android:name="android.intent.category.DEFAULT" />
        </intent-filter>
    </activity>
</application>

Result

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edited Apr 9 '15 at 23:09