[android] How to hide status bar in Android

I referred this link. In that if the user clicks on EditText(for ex To: ) at that time keyboard will be popped out and at the same time the user can be able to scroll to see all remaining views(ex: compose,subject, send button) in that screen. Similarly in my app I have one activity in that I am having some widgets or views. Suppose if the user clicks on Edittext which is in my Activity then keyboard is popping out and i can be able to scroll to see remaining views. But if i give this attribute android:theme="@android:style/Theme.NoTitleBar.Fullscreen" in manifest i was unable to scroll to see remaining views but if give attribute android:theme="@android:style/Theme.NoTitleBar" like this in manifest I can be able to scroll to see remaining view but there is status bar in that screen, here I want full screen and even if the keyboard is popped out I can scroll to see remaining views..? what changes I have to made for this..?

Write this in your Activity

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

    requestWindowFeature(Window.FEATURE_NO_TITLE);
    this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
}

Check Doc here : https://developer.android.com/training/system-ui/status.html

and your app will go fullscreen. no status bar, no title bar. :)

If you are hiding the status bar do this in onCreate(for Activity) and onCreateView/onViewCreated(for Fragment)

getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);

And don't forget to clear the flag when exiting the activity or else you will have the full screen in your whole app after visiting this activity. To clear do this in your onDestroy(for Activity) or onDestroyView(for Fragment)

getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN)

Change the theme of application in the manifest.xml file.

android:theme="@android:style/Theme.Translucent.NoTitleBar"

Add this to your Activity class

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    this.getWindow().setFlags(
                        WindowManager.LayoutParams.FLAG_FULLSCREEN, 
                        WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_main);
    // some your code
}

Under res -> values ->styles.xml

Inside the style body tag paste

<item name="android:windowTranslucentStatus" tools:targetApi="kitkat">true</item>

public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // If the Android version is lower than Jellybean, use this call to hide
    // the status bar.
    if (Build.VERSION.SDK_INT < 16) {
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
    } else {
       View decorView = getWindow().getDecorView();
       // Hide the status bar.
       int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN;
       decorView.setSystemUiVisibility(uiOptions);
       // Remember that you should never show the action bar if the
       // status bar is hidden, so hide that too if necessary.
       ActionBar actionBar = getActionBar();
       actionBar.hide();
    }

    setContentView(R.layout.activity_main);

}
...
}

This is the official documentation about hiding the Status Bar on Android 4.0 and lower and on Android 4.1 and higher

Please, take a look at it:

https://developer.android.com/training/system-ui/status.html

This code hides status bar.

getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);

to hide action bar write this line:-

requestWindowFeature(Window.FEATURE_NO_TITLE);

both lines can be written collectively to hide Action bar and status bar. all these lines must be written before setContentView method call in onCreate method.

Used in Manifest

android:theme="@android:style/Theme.Holo.NoActionBar.Fullscreen"

 if (Build.VERSION.SDK_INT < 16) {
   getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
 } else {
     View decorView = getWindow().getDecorView();
      int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN;
      decorView.setSystemUiVisibility(uiOptions);
      ActionBar actionBar = getActionBar();
      actionBar.hide();
 }

You can hide by using styles.xml

<resources>

<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
    <!-- Customize your theme here. -->
    <item name="colorPrimary">@color/colorPrimary</item>
    <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
    <item name="colorAccent">@color/colorAccent</item>
</style>
<style name="HiddenTitleTheme" parent="AppTheme">
    <item name="windowNoTitle">true</item>
    <item name="windowActionBar">false</item>
</style>

just call this in your manifest like this android:theme="@style/HiddenTitleTheme"

Use this for your Activity.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
}

We cannot prevent the status appearing in full screen mode in (4.4+) kitkat or above devices, so try a hack to block the status bar from expanding.

Solution is pretty big, so here's the link of SO:

StackOverflow : Hide status bar in android 4.4+ or kitkat with Fullscreen

requestWindowFeature(Window.FEATURE_NO_TITLE);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);

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

    setTheme(R.style.Theme_AppCompat_Light_NoActionBar);
    requestWindowFeature(Window.FEATURE_NO_TITLE);

    this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN
    , WindowManager.LayoutParams.FLAG_FULLSCREEN);

    setContentView(R.layout.activity__splash_screen);
}

Use theme "Theme.NoTitleBar.Fullscreen" and try setting "android:windowSoftInputMode=adjustResize" for the activity in AndroidManifest.xml. You can find details here.

void hideStatusBar() {
        if (Build.VERSION.SDK_INT < 16) {
           getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                    WindowManager.LayoutParams.FLAG_FULLSCREEN);
        } else {
            View decorView = getWindow().getDecorView();
            int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN;
            decorView.setSystemUiVisibility(uiOptions);
        }
    }

You can use this method to hide the status bar. And this is important to hide the action bar too. In this case, you can getSupportActionBar().hide() if you have extended the activity from support lib like Appcompat or you can simply call getActionBar().hide() after the method mentioned above. Thanks

If you refer to the Google Documents you can use this method for android 4.1 and above, call this method before setContentView()

public void hideStatusBar() {
    View view = getWindow().getDecorView();
    int uiOption = View.SYSTEM_UI_FLAG_FULLSCREEN;
    view.setSystemUiVisibility(uiOption);
    ActionBar actionBar = getActionBar();
    if (actionBar != null) {
        actionBar.hide();
    }
}

Use this code:

requestWindowFeature(Window.FEATURE_NO_TITLE);
this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
super.onCreate(savedInstanceState);
setContentView(R.layout.youractivityxmlname);

If you need this in one activity, you have to put in onCreate, before setContentView:

requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);

setContentView(R.layout.your_screen);

As FLAG_FULLSCREEN is deprecated from android R. You can use below code to hide status bar.

 @Suppress("DEPRECATION")
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {

           window.insetsController?.hide(WindowInsets.Type.statusBars())
    } else {

           window.setFlags(
                    WindowManager.LayoutParams.FLAG_FULLSCREEN,
                    WindowManager.LayoutParams.FLAG_FULLSCREEN
            )
        }

In AndroidManifest.xml -> inside the activity which you want to use, add the following:

android:theme="@style/Theme.AppCompat.Light.NoActionBar"
//this is for hiding action bar

and in MainActivity.java -> inside onCreate() method, add the following :

this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
//this is for hiding status bar

This solution work for me :)

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (Build.VERSION.SDK_INT >= 19) {
           getWindow().setFlags(AccessibilityNodeInfoCompat.ACTION_NEXT_HTML_ELEMENT, AccessibilityNodeInfoCompat.ACTION_NEXT_HTML_ELEMENT);
           getWindow().getDecorView().setSystemUiVisibility(3328);
    }else{
           requestWindowFeature(Window.FEATURE_NO_TITLE);
           this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
    }

    DataBindingUtil.setContentView(this, R.layout.activity_hse_video_details);

Use this code for hiding the status bar in your app and easy to use

getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);

You can hide status bar by setting it's color to transperant using xml. Add statusBarColor item to your activity theme:

<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
    <item name="android:statusBarColor">@android:color/transparent</item>
</style>