com.bumptech.glide.util.Util.isOnBackgroundThread()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中com.bumptech.glide.util.Util.isOnBackgroundThread()方法的一些代码示例，展示了Util.isOnBackgroundThread()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util.isOnBackgroundThread()方法的具体详情如下：
包路径：com.bumptech.glide.util.Util
类名称：Util
方法名：isOnBackgroundThread

Util.isOnBackgroundThread介绍

[英]Returns true if called on a background thread, false otherwise.
[中]如果在后台线程上调用，则返回true，否则返回false。

代码示例

代码示例来源：origin: bumptech/glide

  1. /**
  2.  * Throws an {@link java.lang.IllegalArgumentException} if called on the main thread.
  3.  */
  4. public static void assertBackgroundThread() {
  5.  if (!isOnBackgroundThread()) {
  6.   throw new IllegalArgumentException("You must call this method on a background thread");
  7.  }
  8. }

代码示例来源：origin: bumptech/glide

  1. @NonNull
  2. public RequestManager get(@NonNull FragmentActivity activity) {
  3.  if (Util.isOnBackgroundThread()) {
  4.   return get(activity.getApplicationContext());
  5.  } else {
  6.   assertNotDestroyed(activity);
  7.   FragmentManager fm = activity.getSupportFragmentManager();
  8.   return supportFragmentGet(
  9.     activity, fm, /*parentHint=*/ null, isActivityVisible(activity));
  10.  }
  11. }

代码示例来源：origin: bumptech/glide

  1. @SuppressWarnings("deprecation")
  2. @NonNull
  3. public RequestManager get(@NonNull Activity activity) {
  4.  if (Util.isOnBackgroundThread()) {
  5.   return get(activity.getApplicationContext());
  6.  } else {
  7.   assertNotDestroyed(activity);
  8.   android.app.FragmentManager fm = activity.getFragmentManager();
  9.   return fragmentGet(
  10.     activity, fm, /*parentHint=*/ null, isActivityVisible(activity));
  11.  }
  12. }

代码示例来源：origin: bumptech/glide

  1. @SuppressWarnings("deprecation")
  2. @Deprecated
  3. @NonNull
  4. @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
  5. public RequestManager get(@NonNull android.app.Fragment fragment) {
  6.  if (fragment.getActivity() == null) {
  7.   throw new IllegalArgumentException(
  8.     "You cannot start a load on a fragment before it is attached");
  9.  }
  10.  if (Util.isOnBackgroundThread() || Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
  11.   return get(fragment.getActivity().getApplicationContext());
  12.  } else {
  13.   android.app.FragmentManager fm = fragment.getChildFragmentManager();
  14.   return fragmentGet(fragment.getActivity(), fm, fragment, fragment.isVisible());
  15.  }
  16. }

代码示例来源：origin: bumptech/glide

  1. @SuppressWarnings("deprecation")
  2. @NonNull
  3. public RequestManager get(@NonNull View view) {
  4.  if (Util.isOnBackgroundThread()) {
  5.   return get(view.getContext().getApplicationContext());
  6.  }
  7.  Preconditions.checkNotNull(view);
  8.  Preconditions.checkNotNull(view.getContext(),
  9.    "Unable to obtain a request manager for a view without a Context");
  10.  Activity activity = findActivity(view.getContext());
  11.  // The view might be somewhere else, like a service.
  12.  if (activity == null) {
  13.   return get(view.getContext().getApplicationContext());
  14.  }
  15.  // Support Fragments.
  16.  // Although the user might have non-support Fragments attached to FragmentActivity, searching
  17.  // for non-support Fragments is so expensive pre O and that should be rare enough that we
  18.  // prefer to just fall back to the Activity directly.
  19.  if (activity instanceof FragmentActivity) {
  20.   Fragment fragment = findSupportFragment(view, (FragmentActivity) activity);
  21.   return fragment != null ? get(fragment) : get(activity);
  22.  }
  23.  // Standard Fragments.
  24.  android.app.Fragment fragment = findFragment(view, activity);
  25.  if (fragment == null) {
  26.   return get(activity);
  27.  }
  28.  return get(fragment);
  29. }

代码示例来源：origin: bumptech/glide

  1. @NonNull
  2. public RequestManager get(@NonNull Fragment fragment) {
  3.  Preconditions.checkNotNull(fragment.getActivity(),
  4.     "You cannot start a load on a fragment before it is attached or after it is destroyed");
  5.  if (Util.isOnBackgroundThread()) {
  6.   return get(fragment.getActivity().getApplicationContext());
  7.  } else {
  8.   FragmentManager fm = fragment.getChildFragmentManager();
  9.   return supportFragmentGet(fragment.getActivity(), fm, fragment, fragment.isVisible());
  10.  }
  11. }

代码示例来源：origin: bumptech/glide

  1. if (Util.isOnBackgroundThread()) {
  2.  mainHandler.post(addSelfToLifecycle);
  3. } else {

代码示例来源：origin: guolindev/giffun

  1. /**
  2.  * Throws an {@link IllegalArgumentException} if called on the main thread.
  3.  */
  4. public static void assertBackgroundThread() {
  5.   if (!isOnBackgroundThread()) {
  6.     throw new IllegalArgumentException("YOu must call this method on a background thread");
  7.   }
  8. }

代码示例来源：origin: guolindev/giffun

  1. @TargetApi(Build.VERSION_CODES.HONEYCOMB)
  2. public RequestManager get(Activity activity) {
  3.   if (Util.isOnBackgroundThread() || Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
  4.     return get(activity.getApplicationContext());
  5.   } else {
  6.     assertNotDestroyed(activity);
  7.     android.app.FragmentManager fm = activity.getFragmentManager();
  8.     return fragmentGet(activity, fm);
  9.   }
  10. }

代码示例来源：origin: guolindev/giffun

  1. public RequestManager get(FragmentActivity activity) {
  2.   if (Util.isOnBackgroundThread()) {
  3.     return get(activity.getApplicationContext());
  4.   } else {
  5.     assertNotDestroyed(activity);
  6.     FragmentManager fm = activity.getSupportFragmentManager();
  7.     return supportFragmentGet(activity, fm);
  8.   }
  9. }

代码示例来源：origin: guolindev/giffun

  1. @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
  2. public RequestManager get(android.app.Fragment fragment) {
  3.   if (fragment.getActivity() == null) {
  4.     throw new IllegalArgumentException("You cannot start a load on a fragment before it is attached");
  5.   }
  6.   if (Util.isOnBackgroundThread() || Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
  7.     return get(fragment.getActivity().getApplicationContext());
  8.   } else {
  9.     android.app.FragmentManager fm = fragment.getChildFragmentManager();
  10.     return fragmentGet(fragment.getActivity(), fm);
  11.   }
  12. }

代码示例来源：origin: guolindev/giffun

  1. RequestManager(Context context, final Lifecycle lifecycle, RequestManagerTreeNode treeNode,
  2.     RequestTracker requestTracker, ConnectivityMonitorFactory factory) {
  3.   this.context = context.getApplicationContext();
  4.   this.lifecycle = lifecycle;
  5.   this.treeNode = treeNode;
  6.   this.requestTracker = requestTracker;
  7.   this.glide = Glide.get(context);
  8.   this.optionsApplier = new OptionsApplier();
  9.   ConnectivityMonitor connectivityMonitor = factory.build(context,
  10.       new RequestManagerConnectivityListener(requestTracker));
  11.   // If we're the application level request manager, we may be created on a background thread. In that case we
  12.   // cannot risk synchronously pausing or resuming requests, so we hack around the issue by delaying adding
  13.   // ourselves as a lifecycle listener by posting to the main thread. This should be entirely safe.
  14.   if (Util.isOnBackgroundThread()) {
  15.     new Handler(Looper.getMainLooper()).post(new Runnable() {
  16.       @Override
  17.       public void run() {
  18.         lifecycle.addListener(RequestManager.this);
  19.       }
  20.     });
  21.   } else {
  22.     lifecycle.addListener(this);
  23.   }
  24.   lifecycle.addListener(connectivityMonitor);
  25. }

代码示例来源：origin: guolindev/giffun

  1. public RequestManager get(Fragment fragment) {
  2.   if (fragment.getActivity() == null) {
  3.     throw new IllegalArgumentException("You cannot start a load on a fragment before it is attached");
  4.   }
  5.   if (Util.isOnBackgroundThread()) {
  6.     return get(fragment.getActivity().getApplicationContext());
  7.   } else {
  8.     FragmentManager fm = fragment.getChildFragmentManager();
  9.     return supportFragmentGet(fragment.getActivity(), fm);
  10.   }
  11. }

代码示例来源：origin: mozilla-tw/Rocket

  1. /**
  2.  * Throws an {@link java.lang.IllegalArgumentException} if called on the main thread.
  3.  */
  4. public static void assertBackgroundThread() {
  5.  if (!isOnBackgroundThread()) {
  6.   throw new IllegalArgumentException("You must call this method on a background thread");
  7.  }
  8. }

代码示例来源：origin: mozilla-tw/Rocket

  1. public RequestManager get(Activity activity) {
  2.  if (Util.isOnBackgroundThread()) {
  3.   return get(activity.getApplicationContext());
  4.  } else {
  5.   assertNotDestroyed(activity);
  6.   android.app.FragmentManager fm = activity.getFragmentManager();
  7.   return fragmentGet(activity, fm, null /*parentHint*/);
  8.  }
  9. }

代码示例来源：origin: mozilla-tw/Rocket

  1. public RequestManager get(FragmentActivity activity) {
  2.  if (Util.isOnBackgroundThread()) {
  3.   return get(activity.getApplicationContext());
  4.  } else {
  5.   assertNotDestroyed(activity);
  6.   FragmentManager fm = activity.getSupportFragmentManager();
  7.   return supportFragmentGet(activity, fm, null /*parentHint*/);
  8.  }
  9. }

代码示例来源：origin: mozilla-tw/Rocket

  1. @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
  2. public RequestManager get(android.app.Fragment fragment) {
  3.  if (fragment.getActivity() == null) {
  4.   throw new IllegalArgumentException(
  5.     "You cannot start a load on a fragment before it is attached");
  6.  }
  7.  if (Util.isOnBackgroundThread() || Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
  8.   return get(fragment.getActivity().getApplicationContext());
  9.  } else {
  10.   android.app.FragmentManager fm = fragment.getChildFragmentManager();
  11.   return fragmentGet(fragment.getActivity(), fm, fragment);
  12.  }
  13. }

代码示例来源：origin: mozilla-tw/Rocket

  1. public RequestManager get(View view) {
  2.  if (Util.isOnBackgroundThread()) {
  3.   return get(view.getContext().getApplicationContext());
  4.  }
  5.  Preconditions.checkNotNull(view);
  6.  Preconditions.checkNotNull(view.getContext(),
  7.    "Unable to obtain a request manager for a view without a Context");
  8.  Activity activity = findActivity(view.getContext());
  9.  // The view might be somewhere else, like a service.
  10.  if (activity == null) {
  11.   return get(view.getContext().getApplicationContext());
  12.  }
  13.  // Support Fragments.
  14.  // Although the user might have non-support Fragments attached to FragmentActivity, searching
  15.  // for non-support Fragments is so expensive pre O and that should be rare enough that we
  16.  // prefer to just fall back to the Activity directly.
  17.  if (activity instanceof FragmentActivity) {
  18.   Fragment fragment = findSupportFragment(view, (FragmentActivity) activity);
  19.   return fragment != null ? get(fragment) : get(activity);
  20.  }
  21.  // Standard Fragments.
  22.  android.app.Fragment fragment = findFragment(view, activity);
  23.  if (fragment == null) {
  24.   return get(activity);
  25.  }
  26.  return get(fragment);
  27. }

代码示例来源：origin: mozilla-tw/Rocket

  1. public RequestManager get(Fragment fragment) {
  2.  Preconditions.checkNotNull(fragment.getActivity(),
  3.     "You cannot start a load on a fragment before it is attached or after it is destroyed");
  4.  if (Util.isOnBackgroundThread()) {
  5.   return get(fragment.getActivity().getApplicationContext());
  6.  } else {
  7.   FragmentManager fm = fragment.getChildFragmentManager();
  8.   return supportFragmentGet(fragment.getActivity(), fm, fragment);
  9.  }
  10. }

代码示例来源：origin: mozilla-tw/Rocket

  1. @SuppressWarnings("PMD.ConstructorCallsOverridableMethod")
  2. RequestManager(
  3.   Glide glide,
  4.   Lifecycle lifecycle,
  5.   RequestManagerTreeNode treeNode,
  6.   RequestTracker requestTracker,
  7.   ConnectivityMonitorFactory factory) {
  8.  this.glide = glide;
  9.  this.lifecycle = lifecycle;
  10.  this.treeNode = treeNode;
  11.  this.requestTracker = requestTracker;
  12.  final Context context = glide.getGlideContext().getBaseContext();
  13.  connectivityMonitor =
  14.    factory.build(context, new RequestManagerConnectivityListener(requestTracker));
  15.  // If we're the application level request manager, we may be created on a background thread.
  16.  // In that case we cannot risk synchronously pausing or resuming requests, so we hack around the
  17.  // issue by delaying adding ourselves as a lifecycle listener by posting to the main thread.
  18.  // This should be entirely safe.
  19.  if (Util.isOnBackgroundThread()) {
  20.   mainHandler.post(addSelfToLifecycle);
  21.  } else {
  22.   lifecycle.addListener(this);
  23.  }
  24.  lifecycle.addListener(connectivityMonitor);
  25.  setRequestOptions(glide.getGlideContext().getDefaultRequestOptions());
  26.  glide.registerRequestManager(this);
  27. }

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