android.content.Intent#ACTION_APPLICATION_RESTRICTIONS_CHANGED源码实例Demo

@Override
public void setApplicationRestrictions(String packageName, Bundle restrictions,
        int userId) {
    checkSystemOrRoot("set application restrictions");
    if (restrictions != null) {
        restrictions.setDefusable(true);
    }
    synchronized (mAppRestrictionsLock) {
        if (restrictions == null || restrictions.isEmpty()) {
            cleanAppRestrictionsForPackageLAr(packageName, userId);
        } else {
            // Write the restrictions to XML
            writeApplicationRestrictionsLAr(packageName, restrictions, userId);
        }
    }

    // Notify package of changes via an intent - only sent to explicitly registered receivers.
    Intent changeIntent = new Intent(Intent.ACTION_APPLICATION_RESTRICTIONS_CHANGED);
    changeIntent.setPackage(packageName);
    changeIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
    mContext.sendBroadcastAsUser(changeIntent, UserHandle.of(userId));
}
 

private void registerRestrictionsReceiver(){
  IntentFilter restrictionsFilter =
          new IntentFilter(Intent.ACTION_APPLICATION_RESTRICTIONS_CHANGED);

  mRestrictionsReceiver = new BroadcastReceiver() {
    @Override
    public void onReceive(Context context, Intent intent) {
      getAppRestrictions();
    }
  };

  registerReceiver(mRestrictionsReceiver, restrictionsFilter);
}
 

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void createEnabledBroadcastReceiver() {
    IntentFilter restrictionsFilter = new IntentFilter(
            Intent.ACTION_APPLICATION_RESTRICTIONS_CHANGED);
    BroadcastReceiver restrictionsReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            updateEnabledState();
        }
    };
    getContext().registerReceiver(restrictionsReceiver, restrictionsFilter);
}
 

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void createEnabledBroadcastReceiver() {
    IntentFilter restrictionsFilter = new IntentFilter(
            Intent.ACTION_APPLICATION_RESTRICTIONS_CHANGED);
    BroadcastReceiver restrictionsReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            updateEnabledState();
        }
    };
    getContext().registerReceiver(restrictionsReceiver, restrictionsFilter);
}
 

@Override
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
protected String getRestrictionChangeIntentAction() {
    // Intent.ACTION_APPLICATION_RESTRICTIONS_CHANGED was introduced in LOLLIPOP.
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) return null;
    return Intent.ACTION_APPLICATION_RESTRICTIONS_CHANGED;
}
 

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void createEnabledBroadcastReceiver() {
    IntentFilter restrictionsFilter = new IntentFilter(
            Intent.ACTION_APPLICATION_RESTRICTIONS_CHANGED);
    BroadcastReceiver restrictionsReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            updateEnabledState();
        }
    };
    getContext().registerReceiver(restrictionsReceiver, restrictionsFilter);
}