Multitasking on Android: Split Screen, Picture-in-Picture and Floating Windows

Phones have become the main computer for many people, yet most of us still use them one app at a time: open the browser, copy something, switch to notes, paste, switch back. Android actually offers several ways to see more than one thing at once. They differ a lot in how they behave, which apps support them, and what they cost in battery and attention. This guide explains the main options, when each one makes sense, and how to stay in control of the permissions involved.

A quick note before we start: menu names and gestures vary between Android versions and phone manufacturers. We describe the general behaviour and the usual places to look; your device may label things slightly differently.

The four main ways to multitask

1. Quick app switching

The simplest form of multitasking is fast switching through the recent apps screen. On most recent Android phones you can swipe along the gesture bar at the bottom of the screen to jump back to the previous app, or swipe up and hold to see all recent apps.

Best for: moving between two apps occasionally, such as checking a code in a messaging app and typing it into another.

Limitation: you only ever see one app, so anything that requires looking at two things at once, such as comparing prices or copying several values, means constant back and forth.

2. Split screen

Split screen divides the display between two apps, either top and bottom or side by side in landscape. It is usually started from the recent apps screen: tap the app's icon above its preview and look for an option such as "Split screen" or "Open in split screen view", then choose the second app. You can drag the divider to give one app more space.

Best for: tasks where you genuinely need both apps visible for a while, such as following a recipe video while reading the written instructions, or writing an email while reading a document.

Limitations:

Each app gets roughly half the screen, which feels cramped on smaller phones.
Some apps do not support split screen, or behave poorly when resized.
Keyboards take up a large share of the remaining space when you type.

3. Picture-in-picture

Picture-in-picture (often shortened to PiP) shrinks a video or video call into a small floating window that stays on top of other apps. In supported apps it usually starts automatically when you go home during playback, or from a button in the player.

You can drag the window around, resize it on many devices, and dismiss it by dragging it to the bottom of the screen. PiP is controlled per app: in Android settings, look under the apps section or special app access for "Picture-in-picture" to enable or disable it for each app.

Best for: watching a video or staying on a call while doing something else.

Limitation: it only works for content the app has chosen to support, and you cannot type into a PiP window. It is a viewing tool, not a working tool.

4. Freeform and floating windows

Floating windows are small, movable windows that sit above whatever is on screen, closer to the window model of a desktop computer. There are two sources of them on Android:

System freeform windows. Some manufacturers' versions of Android let you open certain apps in a resizable floating window, often from the recent apps menu or a side panel. Availability varies widely by brand and model.
Apps that provide their own floating tools. These apps draw a small window over other apps, for example a notepad, a calculator or a mini browser. They work on many phones because they do not depend on a manufacturer's feature, but they require a special permission (covered below).

Best for: short tasks that should not interrupt the main app, such as jotting down a number from a video, looking something up while reading, or keeping a clipboard history at hand.

Choosing the right tool

Situation	Best option	Why
Glance at a message, then return	Quick switching	No setup, no screen space lost
Read and write side by side for a long time	Split screen	Both apps stay fully usable
Keep a video or call running	Picture-in-picture	Small, unobtrusive, built in
Take a quick note over a video	Floating notes window	Doesn't resize the main app
Copy several items between apps	Floating clipboard or notes	Avoids repeated switching
Quick web lookup while reading	Floating browser	Main app stays where you left it

A good rule of thumb: if the second task takes less than a minute or two, a floating window or quick switching is usually less disruptive than split screen. If both tasks will run for ten minutes or more, split screen is often better.

Understanding "display over other apps"

Any app that draws floating windows on top of other apps needs a special permission on Android, usually called "Display over other apps" or "Appear on top". You normally grant it on a dedicated settings screen rather than through a simple pop-up. It can be found in the apps section of settings, under special app access.

This permission is powerful. An app holding it can show content above anything else on screen. Legitimate uses include chat bubbles, screen dimmers, floating timers and tool windows. But the same capability could in principle be misused to cover up other apps' content, which is why Android treats it differently from ordinary permissions.

Sensible habits:

Grant it only to apps you installed on purpose for a floating feature, from a trusted source such as Google Play.
Review the list occasionally. Open the "Display over other apps" settings screen and switch it off for any app that no longer needs it.
Be wary if a floating window appears unexpectedly over a sign-in screen or payment page. Close it and check which app is responsible.
Remember that you can revoke it at any time. The floating features simply stop working until you turn it back on.

Battery and performance notes

Multitasking features are not free. A few practical points:

Video is the biggest cost. Two apps playing or rendering video at once, for example in split screen or a floating browser, use noticeably more battery and can warm the phone.
Keep-awake modes add up. Features that keep the screen on are useful for reading a recipe or following a workout, but the display is one of the most power-hungry parts of a phone. Turn them off when you finish.
Close floating windows you are not using. A window left open in the corner still uses memory and may keep a web page active.
Older phones have less memory. With several apps visible at once, Android may close background apps sooner, so save your work in the main app before opening lots of extra windows.

Privacy considerations

Clipboard tools deserve special attention. Many people copy passwords, one-time codes, addresses or account numbers without thinking about it. A clipboard history keeps those items around longer than the system clipboard normally would.

Clear the clipboard history after copying sensitive information.
Prefer a password manager's own autofill over copying passwords by hand.
Recent Android versions show a brief notice when an app reads the clipboard; pay attention if you see it from an app you are not using.

Where a floating-tools app helps

The built-in options cover video (PiP) and long two-app sessions (split screen) well. The gap is quick, small tasks: a note, a short search, a clipboard history or a precise clock that should sit over whatever you are doing without resizing it. That is the gap we built Floating Tools to fill. It provides a floating quick-entry button plus floating browser, notes, clipboard and clock windows, and it relies on the "display over other apps" permission described above.

Whichever approach you use, the goal is the same: fewer pointless switches, and a phone that works the way your task does.