Improve code of DeviceUtils.isDesktopMode

- Avoid NullPointerException crashes if there is no UiModeManager or desktop
system service mode
- Use final for every exception
- Suppress missing fields warnings
- Add missing NonNull annotation
This commit is contained in:
AudricV 2022-11-09 16:22:21 +01:00
parent c38f150562
commit abf1cc536d
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GPG Key ID: DA92EC7905614198
1 changed files with 20 additions and 16 deletions

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@ -25,7 +25,6 @@ import androidx.preference.PreferenceManager;
import org.schabi.newpipe.App;
import org.schabi.newpipe.R;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import static android.content.Context.INPUT_SERVICE;
@ -98,27 +97,29 @@ public final class DeviceUtils {
* @param context the context to use for services and config.
* @return true if the Android device is in desktop mode or using DeX.
*/
public static boolean isDesktopMode(final Context context) {
@SuppressWarnings("JavaReflectionMemberAccess")
public static boolean isDesktopMode(@NonNull final Context context) {
// Adapted from https://stackoverflow.com/a/64615568
// to check for all input devices that have an active cursor
final InputManager im = (InputManager) context.getSystemService(INPUT_SERVICE);
for (final int id : im.getInputDeviceIds()) {
final InputDevice inputDevice = im.getInputDevice(id);
if (
inputDevice.supportsSource(InputDevice.SOURCE_BLUETOOTH_STYLUS)
|| inputDevice.supportsSource(InputDevice.SOURCE_MOUSE)
|| inputDevice.supportsSource(InputDevice.SOURCE_STYLUS)
|| inputDevice.supportsSource(InputDevice.SOURCE_TOUCHPAD)
|| inputDevice.supportsSource(InputDevice.SOURCE_TRACKBALL)
) {
if (inputDevice.supportsSource(InputDevice.SOURCE_BLUETOOTH_STYLUS)
|| inputDevice.supportsSource(InputDevice.SOURCE_MOUSE)
|| inputDevice.supportsSource(InputDevice.SOURCE_STYLUS)
|| inputDevice.supportsSource(InputDevice.SOURCE_TOUCHPAD)
|| inputDevice.supportsSource(InputDevice.SOURCE_TRACKBALL)) {
return true;
}
}
if (ContextCompat.getSystemService(context, UiModeManager.class)
.getCurrentModeType() == Configuration.UI_MODE_TYPE_DESK) {
final UiModeManager uiModeManager =
ContextCompat.getSystemService(context, UiModeManager.class);
if (uiModeManager != null
&& uiModeManager.getCurrentModeType() == Configuration.UI_MODE_TYPE_DESK) {
return true;
}
// DeX check for standalone and multi-window mode, from:
// https://developer.samsung.com/samsung-dex/modify-optimizing.html
try {
@ -131,12 +132,14 @@ public final class DeviceUtils {
if (semDesktopModeEnabledConst == currentMode) {
return true;
}
} catch (final NoSuchFieldException | IllegalAccessException e) {
// empty
} catch (final NoSuchFieldException | IllegalAccessException ignored) {
// Device doesn't seem to support DeX
}
@SuppressLint("WrongConstant") final Object desktopModeManager = context
.getApplicationContext()
.getSystemService("desktopmode");
if (desktopModeManager != null) {
try {
final Method getDesktopModeStateMethod = desktopModeManager.getClass()
@ -151,11 +154,12 @@ public final class DeviceUtils {
.getDeclaredField("ENABLED").getInt(desktopModeStateClass)) {
return true;
}
} catch (NoSuchFieldException | NoSuchMethodException
| IllegalAccessException | InvocationTargetException e) {
// Device does not support DeX 3.0
} catch (final Exception ignored) {
// Device does not support DeX 3.0 or something went wrong when trying to determine
// if it supports this feature
}
}
return false;
}