core/androidx.core.content/[main]ContextCompat

ContextCompat

open class ContextCompat(source)

Helper for accessing features in Context.

Inheritors

Types

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Properties

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val RECEIVER_EXPORTED: Int = 2
Flag for registerReceiver: The receiver can receive broadcasts from other Apps.
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val RECEIVER_NOT_EXPORTED: Int = 4
Flag for registerReceiver: The receiver cannot receive broadcasts from other Apps.
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val RECEIVER_VISIBLE_TO_INSTANT_APPS: Int = 1
Flag for registerReceiver: The receiver can receive broadcasts from Instant Apps.

Functions

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open fun checkSelfPermission(@NonNull context: Context, @NonNull permission: String): Int
Determine whether you have been granted a particular permission.
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@NonNull
open fun createAttributionContext(@NonNull context: Context, @Nullable attributionTag: String): Context
Return a new Context object for the current Context but attribute to a different tag.
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@Nullable
open fun createDeviceProtectedStorageContext(@NonNull context: Context): Context
Return a new Context object for the current Context but whose storage APIs are backed by device-protected storage.
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@Nullable
open fun getAttributionTag(@NonNull context: Context): String
Attribution can be used in complex apps to logically separate parts of the app.
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@NonNull
open fun getCodeCacheDir(@NonNull context: Context): File
Returns the absolute path to the application specific cache directory on the filesystem designed for storing cached code.
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@ColorInt
open fun getColor(@NonNull context: Context, @ColorRes id: Int): Int
Returns a color associated with a particular resource ID Starting in M, the returned color will be styled for the specified Context's theme.
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@Nullable
open fun getColorStateList(@NonNull context: Context, @ColorRes id: Int): ColorStateList
Returns a color state list associated with a particular resource ID.
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@NonNull
open fun getContextForLanguage(@NonNull context: Context): Context
Gets the context which respects the per-app locales locale.
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@Nullable
open fun getDataDir(@NonNull context: Context): File
Returns the absolute path to the directory on the filesystem where all private files belonging to this app are stored.
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@NonNull
open fun getDisplayOrDefault(@NonNull context: Context): Display
Get the display this context is associated with or the default display as the fallback if the context is not associated with any Display.
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@Nullable
open fun getDrawable(@NonNull context: Context, @DrawableRes id: Int): Drawable
Returns a drawable object associated with a particular resource ID.
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@NonNull
open fun getExternalCacheDirs(@NonNull context: Context): Array<File>
Returns absolute paths to application-specific directories on all external storage devices where the application can place cache files it owns.
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@NonNull
open fun getExternalFilesDirs(@NonNull context: Context, @Nullable type: String): Array<File>
Returns absolute paths to application-specific directories on all external storage devices where the application can place persistent files it owns.
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@NonNull
open fun getMainExecutor(@NonNull context: Context): Executor
Return an Executor that will run enqueued tasks on the main thread associated with this context.
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@Nullable
open fun getNoBackupFilesDir(@NonNull context: Context): File
Returns the absolute path to the directory on the filesystem similar to getFilesDir.
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@NonNull
open fun getObbDirs(@NonNull context: Context): Array<File>
Returns absolute paths to application-specific directories on all external storage devices where the application's OBB files (if there are any) can be found.
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@NonNull
open fun getString(@NonNull context: Context, resId: Int): String
Gets the resource string that also respects the per-app locales.
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@Nullable
open fun <T> getSystemService(@NonNull context: Context, @NonNull serviceClass: Class<T>): T
Return the handle to a system-level service by class.
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@Nullable
open fun getSystemServiceName(@NonNull context: Context, @NonNull serviceClass: Class<out Any>): String
Gets the name of the system-level service that is represented by the specified class.
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open fun isDeviceProtectedStorage(@NonNull context: Context): Boolean
Indicates if the storage APIs of this Context are backed by device-encrypted storage.
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@Nullable
open fun registerReceiver(@NonNull context: Context, @Nullable receiver: BroadcastReceiver, @NonNull filter: IntentFilter, flags: Int): Intent
@Nullable
open fun registerReceiver(@NonNull context: Context, @Nullable receiver: BroadcastReceiver, @NonNull filter: IntentFilter, @Nullable broadcastPermission: String, @Nullable scheduler: Handler, flags: Int): Intent
Register a broadcast receiver.
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open fun startActivities(@NonNull context: Context, @NonNull intents: Array<Intent>): Boolean
open fun startActivities(@NonNull context: Context, @NonNull intents: Array<Intent>, @Nullable options: Bundle): Boolean
Start a set of activities as a synthesized task stack, if able.
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open fun startActivity(@NonNull context: Context, @NonNull intent: Intent, @Nullable options: Bundle)
Start an activity with additional launch information, if able.
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open fun startForegroundService(@NonNull context: Context, @NonNull intent: Intent)
startForegroundService() was introduced in O, just call startService for before O.